MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a8ec6bb5e28a1314eab7ff5c9347bf7ddc567d6cd18f68d26abc364cea0ab8f. 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: 8a8ec6bb5e28a1314eab7ff5c9347bf7ddc567d6cd18f68d26abc364cea0ab8f
SHA3-384 hash: c26101f0a9bf67ce33b949b096b96e19cb6909cc59d3d763bd7d34d58b2426a6d7123201ed211bb3ea303d951c1751f1
SHA1 hash: d497bad8ccce793615d22af8fb4f10f0ee830941
MD5 hash: 3beb56d44ca6ca36b58b99ccff173d89
humanhash: november-california-april-hydrogen
File name:Business Proposal AECCFC Scope #20200511.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:696'320 bytes
First seen:2020-05-11 14:51:02 UTC
Last seen:2020-05-11 16:10:16 UTC
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:O3Qd50d7pxF2hHKuVUgJgBkAxlGnuXZ2eOlG:eQd5StAHTJJulGns2eO
Threatray 10'686 similar samples on MalwareBazaar
TLSH 31E44A1113BC57A0FB75A6F69C686E10C275E9FFA8A0FA4C0B5134E706A5F10D532A3B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: aeccfc.com
Sending IP: 103.133.111.162
From: Jessica Kelly <jessica@aeccfc.com>
Subject: RE: Request For Quote (RFQ): Supply
Attachment: Business Proposal AECCFC Scope 20200511 ,xls.zip (contains "Business Proposal AECCFC Scope #20200511.exe")

AgentTesla SMTP exfil server:
mail.ilclaw.com.ph:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen2.48635.7616.25810.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-11 15:37:11 UTC
AV detection:
23 of 31 (74.19%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rkhmno26fcqtctvlp724snd367o4kz6wzumpndjgvpbwjtvavohq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2acce03be9204acbcc6fc59fa5bebc3720d91a9d7daa122c0ea086c4727fafce
AgentTesla
58933d7bb0147da562d240bc3c9974ecaa552f35495a773345e1e7d158f39588
AgentTesla
58fa191f38b25cab67921a0f3c0aba75e5254ca139733df9dca6eec26fae1377
AgentTesla
7a55018c2903edf26bdfbbd5df47c352197170b75a04af058a35d2332d9e6b50
AgentTesla
9fed5314906b5873cd970313215aeb2714819bb965dc4bb7648154f1dddb6680
AgentTesla
b020ed473e1a965d4de31c00fed475e683f808d9665b207bb41cfdb77f53bcfe
AgentTesla
b9f1a9cdb6f068f9222b8cd906ed162d74be5662bb9dbad5540d8cc51d1a4e6a
AgentTesla
bbb3afd846cc51e61380effeaceabc21e15c8b4ccdab6d821697191605a00c60
AgentTesla
db54bb9d7b9d9bba3cf4945c6eb5f637f4726f5009d26e14857ff303abd16e7a
AgentTesla
f7216d025821af6be807018f12db7c5a5bd3cd21ef0176b02c6cbe0f05ac4cf7
AgentTesla
+ 10'676 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-g64l8zcj9x/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
rezer0
AgentTesla
CoreEntity .NET Packer
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

zip d3b8295f6b3580094260cf5a8a26263eb70d8bc844bfd82d7ffee33c1a6da6b5

AgentTesla

Executable exe 8a8ec6bb5e28a1314eab7ff5c9347bf7ddc567d6cd18f68d26abc364cea0ab8f

(this sample)

  
Dropped by
MD5 4207520acfab5d158134a5c4c242467b
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 d3b8295f6b3580094260cf5a8a26263eb70d8bc844bfd82d7ffee33c1a6da6b5

Comments