MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6921871cfac8b6c36204546606439b67a55077cff2b4848c95ead0c06495bf4. 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: b6921871cfac8b6c36204546606439b67a55077cff2b4848c95ead0c06495bf4
SHA3-384 hash: f7f42f9aaefc64ad360aeb763ebbda9010157c5efd662c67be1bbf3b1b17356280719776b60bfe2286da4b739280f989
SHA1 hash: f34a6383a233f0f841f17cd120d76353e6f8cdb1
MD5 hash: 40d1dc2777094ce1711c2d7669cce7c2
humanhash: sixteen-north-magnesium-summer
File name:compra compra.scr
Download: download sample
Signature AgentTesla
Create hunting rule
File size:527'360 bytes
First seen:2020-06-03 17:56:04 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:BYU/dbndlwmzDokafUeALGNpKZUvjf+En0J0lCVW7:B1bdlwODdafUzGNEOb2Y7
Threatray 10'676 similar samples on MalwareBazaar
TLSH ECB4D02813988B27F76EDB79E0D4540543E18DBE944BEF8CD992B0E68B77373980A147
Reporter abuse_ch
Tags:AgentTesla scr


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: pro03.emailserver.vn
Sending IP: 103.15.48.223
From: nghitinhn@nghitin.vn
Subject: compra compra
Attachment: compra compra.img (contains "compra compra.scr")

AgentTesla SMTP exfil server:
mail.nsmelectronics.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-03 18:35:37 UTC
AV detection:
17 of 31 (54.84%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=w2jbq4opvsfwynraivdgazbzwz5fkb3474vuqsgjl2wqybsjlp2a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
51ed33d02b94f6cae29c99f8cb89e9594a8dab97e20494c1dfa2601d8d3d45fc
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6256fe79b4bd8870fad4957cc03909d12e6bce104e37bd86a472f3cb13a5acfd
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82d52965e0773a40b88a94a459f019220746544e4151f1e3cce6d8979abd5b14
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ee5d2dab2b72605b3d092c5881f8485a26b8725c70a9fb77f733209e30099463
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f52c73e9a148074ad2d20b27874e0c183a461f0e21ed09874ef706e464757e2e
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fe4deeb84628c321aff86bc7fd0edfa70aebc3f2dd302c18cf8a5715cb8b09e8
AgentTesla
ff4ce18a829161a6d3e62fdcc8ae87d234b8b964abf8e7cddb9f44e761ae4a7d
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ff583744bbde75e4f9bd3ea064343294e2e702ea6938c5f87700f1645c3c6a93
AgentTesla
+ 10'666 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-v5hcxj1q8n/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
ServiceHost packer
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.

8ad742930742ab070bb6a6de20b5753b

AgentTesla

Executable exe b6921871cfac8b6c36204546606439b67a55077cff2b4848c95ead0c06495bf4

(this sample)

  
Dropped by
MD5 8ad742930742ab070bb6a6de20b5753b
  
Delivery method
Distributed via e-mail attachment

Comments