MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1603b913f811ff40a9365527d9900b7dd099ccc27fc596f2ed7a2027a640851. 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: b1603b913f811ff40a9365527d9900b7dd099ccc27fc596f2ed7a2027a640851
SHA3-384 hash: a5c13cb1116181b5374cf591efb8fff56a46bc7258672a76ba343821cf14b6a3cf0b259139cbef1c02aa51764140d778
SHA1 hash: 79655d48246d31940811166d7fb0399d51492c86
MD5 hash: 4d0a8d0948ff3c56955879fc0b5396ca
humanhash: cup-yellow-jersey-california
File name:PRO FORMA INVOICE TWETS001_PDF.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:422'400 bytes
First seen:2020-06-12 09:29:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:0DaO3/b7Q+whj4g2OxCFiwXc3LK/lblxFXEUpR1p8k7Lh0cjKKRDJHT72GIhe0Hg:0q114gDxe1s3GdBEKRjzGcjx/TSe0Hg
Threatray 10'788 similar samples on MalwareBazaar
TLSH C694F1CD3294B2EFC857C972D9B55C18A621B5AB670B830BB45312EC6D4F6A38F181F1
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.carryboy.com
Sending IP: 27.254.141.68
From: Jocelyn Chen <prasong@carryboy.com>
Subject: RE: SO L014, TPEA73033
Attachment: PRO FORMA INVOICE TWETS001_PDF.rar (contains "PRO FORMA INVOICE TWETS001_PDF.exe")

AgentTesla SMTP exfil server:
smtp.moorefundz.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/10024/
Detection(s):
SecuriteInfo.com.CIL.HeapOverride.Heur.8252.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-12 09:31:06 UTC
AV detection:
25 of 31 (80.65%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wfqdxej7qep7icutmvjh3giaw7oqthgme76fs3zo26rae6tebbiq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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b9f01aeeefff60dcc8f6a40f77b5d30a89e4a3e48a9b072b5177b80a9e6471f4
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c82bb0bde10df742e0ec073ca489ecd1c8b0bf250728a7345b4577ca15f54a3e
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d65bfe18f4d7056bf6bc2dd0a41b8a1cc216ce75a03ee7df800bf413c6dcc36e
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e7c32ca85ac18ca98fd62854a59f4751868efa0d1d40d4757b1388899a0c7eae
AgentTesla
+ 10'778 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-pdmsk5rghx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
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
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

rar b2c5f4e6519cedc9b5204f7a39c0ca581cc2dae5236556cc21ad9c4a7aa016f1

AgentTesla

Executable exe b1603b913f811ff40a9365527d9900b7dd099ccc27fc596f2ed7a2027a640851

(this sample)

  
Dropped by
MD5 844a4f63b385a1439b5fc976b08bf4c0
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 b2c5f4e6519cedc9b5204f7a39c0ca581cc2dae5236556cc21ad9c4a7aa016f1
Cape
Cape
https://www.capesandbox.com/analysis/10024/

Comments