MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfa03a66eb0b9720abf3efe1e9a220daa682dcb69f6bb6febdbc56bb9624e77f. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bfa03a66eb0b9720abf3efe1e9a220daa682dcb69f6bb6febdbc56bb9624e77f
SHA3-384 hash: 69c97631a2aa508005739c7b784aae1afbfdcbbd489283d8dc59f6234067b27d5abfa1d4e9d09439102961c8ef7d5b95
SHA1 hash: 3cb56ac861c55cf58840063a7b727476bb186976
MD5 hash: 0f0e2c6736271a038cba034b96b00816
humanhash: berlin-uniform-west-single
File name:RFQ36586911052020_Scanned from a xerox multifuntional device001.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:603'648 bytes
First seen:2020-05-11 08:42:19 UTC
Last seen:2020-05-11 09:59:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:4umWqfCXk3cwaX0ilWg0nOa9F97R7dCpE7cSgCL3OCULuwr5P:AWqfCXk3cwaX0ilUb97hdCi7cf23OfLf
Threatray 10'594 similar samples on MalwareBazaar
TLSH 44D46A0631DC66EAE0795BF41EA4F218E3A16C262452DF696CD0B5CA51B4F42C4B3E3F
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: barokahperkasagroup.com
Sending IP: 139.99.19.82
From: Al-Shammari Bandar <royalkingali@barokahperkasagroup.com>
Subject: Request For Quotation For SAUDI ARAMCO - SAUDI ARABIAN REFINERY RENOVATION - Phase 2 Project
Attachment: RFQ36586911052020_Scanned from a xerox multifuntional device001.img (contains "RFQ36586911052020_Scanned from a xerox multifuntional device001.exe")

AgentTesla SMTP exfil server:
smtp.ttsi-kr.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Siggen9.45506.29860.20569.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-11 02:39:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
25 of 31 (80.65%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=x6qduzxlbolsbk7t57q6tira3ktifxfwt5v3n7v5xrllxfre457q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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ade559fead2fb46603d4e1ee25ba703f093107ad8ac2a643ffd7bb7614459205
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+ 10'584 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-pe6czm675n/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
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_g2
Create hunting rule
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>
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

img c33fac4996174532c5c5b71faed96554784048ba569a159f44203c6abbb4b824

AgentTesla

Executable exe bfa03a66eb0b9720abf3efe1e9a220daa682dcb69f6bb6febdbc56bb9624e77f

(this sample)

  
Dropped by
MD5 d533d1785b429d03dcab7e3b1281e32f
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 c33fac4996174532c5c5b71faed96554784048ba569a159f44203c6abbb4b824

Comments