#agenttesla_040821

#IOC #OptiData #VR #AgentTesla #AgentTeslaV3 #TGZ

https://pastebin.com/yTFWfN94

previous_contact:
25/02/21    https://pastebin.com/YCVjJ8A6
10/02/21    https://pastebin.com/9JXvM5ix
07/12/20    https://pastebin.com/20AVUqZ6
04/12/20    https://pastebin.com/PYFMBfkg
15/06/20    https://pastebin.com/pma5MQAW
12/06/20	https://pastebin.com/SKNts0Es
29/10/19	https://pastebin.com/RinpBPvy
03/09/19	https://pastebin.com/zhJvDz8M
09/01/19	https://pastebin.com/MdDfZDdb
16/10/18	https://pastebin.com/d5DxTRrB
04/10/18	https://pastebin.com/JYShuXn4
11/10/18	https://pastebin.com/bkCSvJvM

FAQ:
https://malpedia.caad.fkie.fraunhofer.de/details/win.agent_tesla

attack_vector
--------------
email > URL to onedrive > TGZ > EXE > !delay 3 min! > exfil to smtp.gmail.com:587


email_headers
--------------
Received: from utopia1.vservers.es (utopia1.vservers.es [188.164.199.149])
Received: from webmail.ingesal.es (localhost.localdomain [IPv6:::1])
Date: Wed, 04 Aug 2021 05:02:37 +0200
From: Оплата та виставлення рахунків Укрсиббанк <[email protected]>
Subject: Підтвердження рахунків-фактур, сплачених у встановлений термін
User-Agent: Roundcube Webmail/1.4.11
X-Sender: [email protected]


files
--------------
SHA-256		   8018b63bffbfcea96953755d8a07df253bbca2b11c3350d4002ea9f281f60f12
File name	   Заплачені рахунки-фактури.tgz    [ gzip compressed data ]
File size	   647.74 KB (663285 bytes)

SHA-256		   ba064650e5c04853b071b9213fc1f6629ea1ddc226ac904a285b1eb3cf414e99
File name	   Заплачені рахунки-фактури.exe    [ .NET executable ]
File size	   795.00 KB (814080 bytes)


activity
**************
PL_SCR         https://onedrive.live.com/download?cid=268BF90C75B12557&resid=268BF90C75B12557%21121&authkey=AKR4nvAsgk1eHjc

C2             [smtp.gmail.com] 172.217.218.108, 108.177.127.108

netwrk
--------------
1.1.1.1		        Standard query 0xc545 A smtp.gmail.com
172.217.218.108		51451 → 587 [SYN] Seq=0 Win=8192 Len=0 MSS=1460 WS=256 SACK_PERM=1

comp
--------------
Заплачені рахунки-фактури.exe	3408	TCP	108.177.127.108	587	ESTABLISHED
Заплачені рахунки-фактури.exe	2100	TCP	172.217.218.108	587	ESTABLISHED

proc
--------------
C:\Users\operator\Desktop\Заплачені рахунки-фактури.exe
	C:\Users\operator\Desktop\Заплачені рахунки-фактури.exe
		C:\Users\operator\Desktop\Заплачені рахунки-фактури.exe

persist
--------------
n/a

drop
--------------
n/a

# # #
VT details
https://www.virustotal.com/gui/file/8018b63bffbfcea96953755d8a07df253bbca2b11c3350d4002ea9f281f60f12/details
https://www.virustotal.com/gui/file/ba064650e5c04853b071b9213fc1f6629ea1ddc226ac904a285b1eb3cf414e99/details
https://analyze.intezer.com/analyses/688bcd2d-3013-4f9f-823a-3f78edd27f1f

VR