MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2bf65cde99e1e3f9fa30e0c07b961e36d95d84b456ee67e64fc94081d5761937. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


AgentTesla


Vendor detections: 5


Intelligence 5 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2bf65cde99e1e3f9fa30e0c07b961e36d95d84b456ee67e64fc94081d5761937
SHA3-384 hash: 90c38e42bd19cfc9c5dd9d2d22c8a83697c7aa30b3e6782194b3b80fee3b52702b7815e7efa190421be3c64b1b29672f
SHA1 hash: f8f8333909d00891bb58e1bac45bda36240f006d
MD5 hash: 511d16257a305187125e04ea651d6151
humanhash: eleven-dakota-mississippi-skylark
File name:INVOICE against TT, Brand # Fak-tor.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:532'480 bytes
First seen:2020-06-03 07:50:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:jgIzKA3ciL87ceONUzgDKVZX2H5bmHA2XU3U8/vNOyKlfdkfd12R6:jgIz187UNUzmKD2H5L2XLQvj
Threatray 10'733 similar samples on MalwareBazaar
TLSH B5B4AE9C765172EFC86BC072DEA91DB4EA51347B831F4213902725AEEA4D887DF241F2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: joister.net
Sending IP: 103.2.236.240
From: gavintang@gulfventures.com
Reply-To: gavintang@gulfventures.com
Subject: INVOICE against TT, Brand # Fak-tor
Attachment: INVOICE against TT, Brand Fak-tor.iso (contains "INVOICE against TT, Brand # Fak-tor.exe")

AgentTesla SMTP exfil server:
mail.haden-tours.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
59
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Genkryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-03 02:36:00 UTC
AV detection:
20 of 31 (64.52%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fp3fzxuz4hr7t6rq4dahxfq6g3mv3bfuk3xgpzspzfaidvlwde3q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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bfecf1d24ef83e7bc35143c6ef0cc09a0a77902e2fd6ef9f5d5a50d0968c088b
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c432ec5c937e35dc6d0c8634481275e5f2d1feef91506e2bed80559530b7ff1f
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dedf36514df689bf45199f4637020acf6f800ccdca2f8558b96973ed6298b72b
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dfaafd372e8caf71401e3bf8b8c32ee95a347e811a695244bc33875b3dae911b
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dfca8cf09994229afec678b5c279d247e3e69c45f2878f816025b4933f3bc3b0
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eca9c62b5b3b909e187bb118c1111cae37b93aef4eba62a452e27a69d2774020
AgentTesla
+ 10'723 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-sbxmr55atx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

iso 6dab3604ba02cac18a7ccbedb3204d41f9d8d22d14bb2583b77525c7cdd6828a

AgentTesla

Executable exe 2bf65cde99e1e3f9fa30e0c07b961e36d95d84b456ee67e64fc94081d5761937

(this sample)

  
Dropped by
MD5 45659482788996353862cf3f84bfd320
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 6dab3604ba02cac18a7ccbedb3204d41f9d8d22d14bb2583b77525c7cdd6828a

Comments