MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 841bfc719b8575e011ad1be4ba2a9295bf5252c357d4de52eb8776eb0a803049. 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: 841bfc719b8575e011ad1be4ba2a9295bf5252c357d4de52eb8776eb0a803049
SHA3-384 hash: 5595e6c80590459d2e01365a431da94474df2c2878f5e4fa0945ad54ce8ec73f04aa2405fcdd01c4d3cd72e989bb9fed
SHA1 hash: 93cdfeca6a5b222f91718ea7a39b9c4295407556
MD5 hash: 56e009aacd667b29c8b9229ded2ac7dc
humanhash: network-steak-kitten-alanine
File name:ypLcWMbNO9Ze8R2.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:409'600 bytes
First seen:2020-05-13 06:07:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:hqNvOpYXuve/uzhtixlrmY6IdIQh0AE13IBmj79f7MUf46nSAFNy:hNYXZ/0I/CYcyE1D7MKvnSKs
Threatray 10'725 similar samples on MalwareBazaar
TLSH 8D94121DAA6DA6BFCBF904B89254600817F356226743FBFDFCC974E146AB7D90002993
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mec.com.jo
Sending IP: 198.23.210.131
From: Mohammed A Sayeed <mayyadah@mec.com.jo>
Subject: URGENT RFQ- GACA 2020 PROJECT REF: 2211342
Attachment: RF-QUOTE.7z (contains "ypLcWMbNO9Ze8R2.exe")

AgentTesla SMTP exfil server:
smtp.lettu.us:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Artemis56E009AACD66.27548.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-13 02:03:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
27 of 31 (87.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qqn7y4m3qv26aenndpslukussw7veuwdk7kn4uxlq53owcuagbeq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
041d68452b57a4548d1781f3c8150eedd6118747a604419102c1ec8d042648c5
AgentTesla
2b9ac04e330dd1d57544561da42bd8826c516e16b1acb6e70aa07d38f8152cde
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32a725941812a7722531f5575dd8f25d60392878b1d1d17c48797ac197981fd3
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352d53b493a9cc5229ba4ae690f7c79ac3c5b5b15f3d9f8ef1b15cf84d63c438
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53b420145c8db4e23f0c0187e92b1a08942ae29adbd8eb506f3df5ac46abae3c
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7e4719fb11286b8b8db49cf1abdd864ca1a49666f88b1ff9b1d7953415d78650
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a4a5d42b2ea9f98c93d25d7762da6f28bd90c6f4b1ec75311b6bca3d4d4bdeef
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add7909ba8ec7d84e958787f2eb5f2b03acdba3d5652bef49555fdc129161d99
AgentTesla
d92ccc734e0a5603420c2ab5f9f1f1746939944703cc819512901b63435cf09f
AgentTesla
e61c6a4766ff3f230dc069a6d923af9b3c7ddd88afdad1bff1295f9d12805295
AgentTesla
+ 10'715 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/201109-62331lrqc6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
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

7z 667021cadbbcfc3ec7560c3b33def454ebc31eb9d39bdb3865254169b1136193

AgentTesla

Executable exe 841bfc719b8575e011ad1be4ba2a9295bf5252c357d4de52eb8776eb0a803049

(this sample)

  
Dropped by
MD5 e235c92d2af4a369f3cdc147cb82aeab
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 667021cadbbcfc3ec7560c3b33def454ebc31eb9d39bdb3865254169b1136193

Comments