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Exes_f22e3fae6cf5f6f087bad42c5006fb83_exe_2019-07-17_07_30.txt

paladin316
Jul 17th, 2019
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  1.  
  2. * MalFamily: ""
  3.  
  4. * MalScore: 10.0
  5.  
  6. * File Name: "AppVStreamingUX.bat"
  7. * File Size: 1235972
  8. * File Type: "PE32 executable (GUI) Intel 80386, for MS Windows"
  9. * SHA256: "d63232b21e614bdb5a98b18517e2c6311be1e1f3689146feadfd7f2cd62071e7"
  10. * MD5: "59df514957fcde9a02a4a746684a83fb"
  11. * SHA1: "9ecb0917a3be7b91ef48973d0591a26ad0386ced"
  12. * SHA512: "353fcda5f08318e7862381e3118c8a9299965f35b7f7708ae30668380dfa1c98509b280c4af9cef9aa624375c54d69f68951eccc5a8eeed23edd0355b7d819ef"
  13. * CRC32: "E7E0259D"
  14. * SSDEEP: "24576:TAHnh+eWsN3skA4RV1Hom2KXMmHa72fIWYhnKUfM8hftSP5:eh+ZkldoPK8Ya72AWYIUa"
  15.  
  16. * Process Execution:
  17. "AppVStreamingUX.bat",
  18. "AppVStreamingUX.bat",
  19. "cmd.exe",
  20. "reg.exe",
  21. "wscript.exe",
  22. "cmd.exe",
  23. "remcos.exe",
  24. "remcos.exe",
  25. "remcos.exe",
  26. "cmd.exe",
  27. "reg.exe",
  28. "AppVStreamingUX.bat",
  29. "cmd.exe",
  30. "reg.exe",
  31. "wscript.exe",
  32. "AppVStreamingUX.bat",
  33. "AppVStreamingUX.bat"
  34.  
  35.  
  36. * Executed Commands:
  37. "C:\\Windows\\System32\\cmd.exe /k %windir%\\System32\\reg.exe ADD HKLM\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Policies\\System /v EnableLUA /t REG_DWORD /d 0 /f",
  38. "\"C:\\Windows\\System32\\WScript.exe\" \"C:\\Users\\user\\AppData\\Local\\Temp\\install.vbs\"",
  39. "C:\\Users\\user\\AppData\\Local\\Temp\\install.vbs ",
  40. "C:\\Windows\\System32\\reg.exe ADD HKLM\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Policies\\System /v EnableLUA /t REG_DWORD /d 0 /f",
  41. "\"C:\\Windows\\System32\\cmd.exe\" /c \"C:\\Users\\user\\AppData\\Roaming\\remcos\\remcos.exe\"",
  42. "cmd /c \"C:\\Users\\user\\AppData\\Roaming\\remcos\\remcos.exe\"",
  43. "C:\\Users\\user\\AppData\\Roaming\\remcos\\remcos.exe"
  44.  
  45.  
  46. * Signatures Detected:
  47.  
  48. "Description": "Attempts to connect to a dead IP:Port (1 unique times)",
  49. "Details":
  50.  
  51. "IP": "185.247.228.253:1998"
  52.  
  53.  
  54.  
  55.  
  56. "Description": "Creates RWX memory",
  57. "Details":
  58.  
  59.  
  60. "Description": "Detected script timer window indicative of sleep style evasion",
  61. "Details":
  62.  
  63. "Window": "WSH-Timer"
  64.  
  65.  
  66.  
  67.  
  68. "Description": "A process attempted to delay the analysis task.",
  69. "Details":
  70.  
  71. "Process": "remcos.exe tried to sleep 413 seconds, actually delayed analysis time by 0 seconds"
  72.  
  73.  
  74.  
  75.  
  76. "Description": "Expresses interest in specific running processes",
  77. "Details":
  78.  
  79. "process": "AppVStreamingUX.bat"
  80.  
  81.  
  82.  
  83.  
  84. "Description": "Reads data out of its own binary image",
  85. "Details":
  86.  
  87. "self_read": "process: AppVStreamingUX.bat, pid: 2804, offset: 0x00000000, length: 0x0012dc04"
  88.  
  89.  
  90. "self_read": "process: wscript.exe, pid: 916, offset: 0x00000000, length: 0x00000040"
  91.  
  92.  
  93. "self_read": "process: wscript.exe, pid: 916, offset: 0x000000f0, length: 0x00000018"
  94.  
  95.  
  96. "self_read": "process: wscript.exe, pid: 916, offset: 0x000001e8, length: 0x00000078"
  97.  
  98.  
  99. "self_read": "process: wscript.exe, pid: 916, offset: 0x00018000, length: 0x00000020"
  100.  
  101.  
  102. "self_read": "process: wscript.exe, pid: 916, offset: 0x00018058, length: 0x00000018"
  103.  
  104.  
  105. "self_read": "process: wscript.exe, pid: 916, offset: 0x000181a8, length: 0x00000018"
  106.  
  107.  
  108. "self_read": "process: wscript.exe, pid: 916, offset: 0x00018470, length: 0x00000010"
  109.  
  110.  
  111. "self_read": "process: wscript.exe, pid: 916, offset: 0x00018640, length: 0x00000012"
  112.  
  113.  
  114. "self_read": "process: wscript.exe, pid: 412, offset: 0x00000000, length: 0x00000040"
  115.  
  116.  
  117. "self_read": "process: wscript.exe, pid: 412, offset: 0x000000f0, length: 0x00000018"
  118.  
  119.  
  120. "self_read": "process: wscript.exe, pid: 412, offset: 0x000001e8, length: 0x00000078"
  121.  
  122.  
  123. "self_read": "process: wscript.exe, pid: 412, offset: 0x00018000, length: 0x00000020"
  124.  
  125.  
  126. "self_read": "process: wscript.exe, pid: 412, offset: 0x00018058, length: 0x00000018"
  127.  
  128.  
  129. "self_read": "process: wscript.exe, pid: 412, offset: 0x000181a8, length: 0x00000018"
  130.  
  131.  
  132. "self_read": "process: wscript.exe, pid: 412, offset: 0x00018470, length: 0x00000010"
  133.  
  134.  
  135. "self_read": "process: wscript.exe, pid: 412, offset: 0x00018640, length: 0x00000012"
  136.  
  137.  
  138.  
  139.  
  140. "Description": "A process created a hidden window",
  141. "Details":
  142.  
  143. "Process": "AppVStreamingUX.bat -> C:\\Windows\\System32\\cmd.exe"
  144.  
  145.  
  146. "Process": "AppVStreamingUX.bat -> C:\\Users\\user\\AppData\\Local\\Temp\\install.vbs"
  147.  
  148.  
  149. "Process": "wscript.exe -> cmd"
  150.  
  151.  
  152. "Process": "AppVStreamingUX.bat -> C:\\Windows\\System32\\cmd.exe"
  153.  
  154.  
  155. "Process": "AppVStreamingUX.bat -> C:\\Users\\user\\AppData\\Local\\Temp\\install.vbs"
  156.  
  157.  
  158. "Process": "remcos.exe -> C:\\Windows\\System32\\cmd.exe"
  159.  
  160.  
  161.  
  162.  
  163. "Description": "Drops a binary and executes it",
  164. "Details":
  165.  
  166. "binary": "C:\\Users\\user\\AppData\\Roaming\\remcos\\remcos.exe"
  167.  
  168.  
  169.  
  170.  
  171. "Description": "The binary likely contains encrypted or compressed data.",
  172. "Details":
  173.  
  174. "section": "name: .rsrc, entropy: 7.49, characteristics: IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ, raw_size: 0x00063600, virtual_size: 0x000634e0"
  175.  
  176.  
  177.  
  178.  
  179. "Description": "Executed a process and injected code into it, probably while unpacking",
  180. "Details":
  181.  
  182. "Injection": "AppVStreamingUX.bat(2804) -> AppVStreamingUX.bat(1276)"
  183.  
  184.  
  185.  
  186.  
  187. "Description": "Sniffs keystrokes",
  188. "Details":
  189.  
  190. "SetWindowsHookExA": "Process: remcos.exe(2456)"
  191.  
  192.  
  193.  
  194.  
  195. "Description": "Installs itself for autorun at Windows startup",
  196. "Details":
  197.  
  198. "key": "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\\remcos"
  199.  
  200.  
  201. "data": "\"C:\\Users\\user\\AppData\\Roaming\\remcos\\remcos.exe\""
  202.  
  203.  
  204. "key": "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\\ZYMUNEeCoW"
  205.  
  206.  
  207. "data": "C:\\Users\\Public\\ZYMUNEeCoW.vbs"
  208.  
  209.  
  210.  
  211.  
  212. "Description": "Clamav Hits in Target/Dropped/SuriExtracted",
  213. "Details":
  214.  
  215. "target": "clamav:Win.Dropper.Remcos-7057734-0, sha256:d63232b21e614bdb5a98b18517e2c6311be1e1f3689146feadfd7f2cd62071e7, type:PE32 executable (GUI) Intel 80386, for MS Windows"
  216.  
  217.  
  218. "dropped": "clamav:Win.Dropper.Remcos-7057734-0, sha256:65b39ea752e3bae04ac3a35dc42fa68790b85d359013febb6fc7ade9ec8ebf2c , guest_paths:C:\\Users\\user\\AppData\\Roaming\\Taskmgr\\AppVStreamingUX.bat, type:PE32 executable (GUI) Intel 80386, for MS Windows"
  219.  
  220.  
  221. "dropped": "clamav:Win.Dropper.Remcos-7057734-0, sha256:d63232b21e614bdb5a98b18517e2c6311be1e1f3689146feadfd7f2cd62071e7 , guest_paths:C:\\Users\\user\\AppData\\Roaming\\remcos\\remcos.exe, type:PE32 executable (GUI) Intel 80386, for MS Windows"
  222.  
  223.  
  224.  
  225.  
  226. "Description": "Creates a copy of itself",
  227. "Details":
  228.  
  229. "copy": "C:\\Users\\user\\AppData\\Roaming\\remcos\\remcos.exe"
  230.  
  231.  
  232.  
  233.  
  234. "Description": "Attempts to disable UAC",
  235. "Details":
  236.  
  237.  
  238. "Description": "Creates a slightly modified copy of itself",
  239. "Details":
  240.  
  241. "file": "C:\\Users\\user\\AppData\\Roaming\\Taskmgr\\AppVStreamingUX.bat"
  242.  
  243.  
  244. "percent_match": 100
  245.  
  246.  
  247.  
  248.  
  249. "Description": "Anomalous binary characteristics",
  250. "Details":
  251.  
  252. "anomaly": "Actual checksum does not match that reported in PE header"
  253.  
  254.  
  255.  
  256.  
  257.  
  258. * Started Service:
  259.  
  260. * Mutexes:
  261. "Remcos_Mutex_Inj",
  262. "Remcos-3HVDVQ",
  263. "Local\\ZoneAttributeCacheCounterMutex",
  264. "Local\\ZonesCacheCounterMutex",
  265. "Local\\ZonesLockedCacheCounterMutex",
  266. "CicLoadWinStaWinSta0",
  267. "Local\\MSCTF.CtfMonitorInstMutexDefault1"
  268.  
  269.  
  270. * Modified Files:
  271. "C:\\Users\\user\\AppData\\Roaming\\Taskmgr\\AppVStreamingUX.bat",
  272. "C:\\Users\\Public\\ZYMUNEeCoW.vbs",
  273. "C:\\Users\\user\\AppData\\Roaming\\remcos\\remcos.exe",
  274. "C:\\Users\\user\\AppData\\Local\\Temp\\install.vbs",
  275. "C:\\Users\\user\\AppData\\Roaming\\remcos\\logs.dat"
  276.  
  277.  
  278. * Deleted Files:
  279. "C:\\Users\\user\\AppData\\Local\\Temp\\install.vbs"
  280.  
  281.  
  282. * Modified Registry Keys:
  283. "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\\ZYMUNEeCoW",
  284. "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\\remcos",
  285. "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\ZoneMap\\UNCAsIntranet",
  286. "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\ZoneMap\\AutoDetect",
  287. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Policies\\System\\EnableLUA",
  288. "HKEY_CURRENT_USER\\Software\\Remcos-3HVDVQ\\",
  289. "HKEY_CURRENT_USER\\Software\\Remcos-3HVDVQ\\exepath",
  290. "HKEY_CURRENT_USER\\Software\\Remcos-3HVDVQ\\licence"
  291.  
  292.  
  293. * Deleted Registry Keys:
  294. "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\ZoneMap\\ProxyBypass",
  295. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\ZoneMap\\ProxyBypass",
  296. "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\ZoneMap\\IntranetName",
  297. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\ZoneMap\\IntranetName"
  298.  
  299.  
  300. * DNS Communications:
  301.  
  302. * Domains:
  303.  
  304. * Network Communication - ICMP:
  305.  
  306. * Network Communication - HTTP:
  307.  
  308. * Network Communication - SMTP:
  309.  
  310. * Network Communication - Hosts:
  311.  
  312. * Network Communication - IRC:
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