MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f5b0135a9800946845f48fdd84ab322ca4c4c5c1efcb79fcf82969f76099886. 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: 6f5b0135a9800946845f48fdd84ab322ca4c4c5c1efcb79fcf82969f76099886
SHA3-384 hash: d90308d28537037ed9b349b61ca063a9b432ff7c8d359ecc3068d5472e61fccfb964f17edf8f3128551a4d6daa01b938
SHA1 hash: f1bd8aa2087b48458741afb60529b39c3b167034
MD5 hash: 35f182cd6015448d90271bae97b6e48e
humanhash: iowa-july-helium-charlie
File name:items 001.xlsm.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:499'712 bytes
First seen:2020-05-11 14:41:37 UTC
Last seen:2020-05-11 16:10:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:YbNoQWyl0VX5ayPM/8YO3Oiyschff9Rab:ANorylsRTlbch90b
Threatray 10'660 similar samples on MalwareBazaar
TLSH 14B4BF4023BD6B75E0799BF589A0A051C7F5B56735B8E36D4D8224CA1AE2F80CD81F3B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: outlook.com
Sending IP: 103.99.1.148
From: Natalie Thomas<sales.gmbh@outlook.com>
Subject: RE:Order by Petersen Matex Trading GmbH 
Attachment: items 001.xlsm.zip (contains "items 001.xlsm.exe")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen2.48635.12088.2188.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-11 10:54:00 UTC
AV detection:
23 of 31 (74.19%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=n5nqcnnjqaeunbc7jd65qsvtelfeytc4d36lph6pqklj65qjtcda._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
58933d7bb0147da562d240bc3c9974ecaa552f35495a773345e1e7d158f39588
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b020ed473e1a965d4de31c00fed475e683f808d9665b207bb41cfdb77f53bcfe
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b9f1a9cdb6f068f9222b8cd906ed162d74be5662bb9dbad5540d8cc51d1a4e6a
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bbb3afd846cc51e61380effeaceabc21e15c8b4ccdab6d821697191605a00c60
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db54bb9d7b9d9bba3cf4945c6eb5f637f4726f5009d26e14857ff303abd16e7a
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f7216d025821af6be807018f12db7c5a5bd3cd21ef0176b02c6cbe0f05ac4cf7
AgentTesla
+ 10'650 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity keylogger rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-fmvc773tl2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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 d1c344f6235301f1e7da7c9b0ff6464f2f9e20ed9a0e8d8c178199d644c69912

AgentTesla

Executable exe 6f5b0135a9800946845f48fdd84ab322ca4c4c5c1efcb79fcf82969f76099886

(this sample)

  
Dropped by
MD5 51ae23aab9adfcd32394dde4d8d27e9b
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 d1c344f6235301f1e7da7c9b0ff6464f2f9e20ed9a0e8d8c178199d644c69912

Comments