MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4e2e4f3b77444e5842ef2b48fd76d93202c3d598b1276aef4d79c75044b8d60. 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: 8


Intelligence 8 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4e2e4f3b77444e5842ef2b48fd76d93202c3d598b1276aef4d79c75044b8d60
SHA3-384 hash: 2b98d68705603370d3fd8501ddff8641c96866db10330d971b1028da223a7708cdb5bb955f733c85070c07af199a4a54
SHA1 hash: f4e92bd82c77b2d2f3f561c60907bcf4558b4b24
MD5 hash: e854913ededc0980b726fa7e2ce50c12
humanhash: cat-florida-cold-item
File name:URGENT REQUEST FOR QUOTATION.rar
Download: download sample
Signature AgentTesla
Create hunting rule
File size:681'414 bytes
First seen:2024-01-29 09:11:09 UTC
Last seen:2024-01-29 15:12:31 UTC
File type: rar
MIME type:application/x-rar
ssdeep 12288:pbj/dNRTQtDtjXcqvhRg8FJjhuuAQkzQ+/vFMeS9n0hVoa3rzcxW6CbLCu1aoQ:pbj/xQ4czzuuVn+trVTbzUWTbL19Q
TLSH T1FDE4334801D62C9C22562AF07A74F4F71D36F2FC1D8854E7CA6D21D142AFAA7F08F869
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:AgentTesla QUOTATION rar


Avatar
cocaman
Malicious email (T1566.001)
From: ""jackkim1114 "<mail@jbmarine.co.kr>" (likely spoofed)
Received: "from jbmarine.co.kr (unknown [45.137.22.169]) "
Date: "29 Jan 2024 08:41:53 +0100"
Subject: "URGENT REQUEST FOR QUOTATION"
Attachment: "URGENT REQUEST FOR QUOTATION.rar"

Intelligence

File Origin
# of uploads :
2
# of downloads :
100
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:URGENT REQUEST FOR QUOTATION.exe
File size:737'280 bytes
SHA256 hash: a3268fd103ce714411b447c75854565ddf366535c6f47641893f0d78f0482bb8
MD5 hash: bee12e5e8fa5ee590b697bb3ada0ea8c
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/b4e2e4f3b77444e5842ef2b48fd76d93202c3d598b1276aef4d79c75044b8d60/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65b76be3814c2aeb1483aa8f/reports/09ec8cb8-15dd-4c64-a2ef-7d2c3c2ea8bf/overview
Verdict:
Suspicious
Labled as:
Mal/DrodRar
Link:
https://www.hybrid-analysis.com/sample/b4e2e4f3b77444e5842ef2b48fd76d93202c3d598b1276aef4d79c75044b8d60
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b4e2e4f3b77444e5842ef2b48fd76d93202c3d598b1276aef4d79c75044b8d60/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-01-29 01:48:53 UTC
File Type:
Binary (Archive)
Extracted files:
10
AV detection:
24 of 38 (63.16%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wtroj45xorcolbbo6k2i7v3nsmqcypkzrmjhnlxu26ohkbclrvqa._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240129-k7w6esfhep/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b4e2e4f3b77444e5842ef2b48fd76d93202c3d598b1276aef4d79c75044b8d60

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security
Rule name:win_agent_tesla_g2
Create hunting rule
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

rar b4e2e4f3b77444e5842ef2b48fd76d93202c3d598b1276aef4d79c75044b8d60

(this sample)

AgentTesla

Executable exe a3268fd103ce714411b447c75854565ddf366535c6f47641893f0d78f0482bb8

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 a3268fd103ce714411b447c75854565ddf366535c6f47641893f0d78f0482bb8
  
Dropping
AgentTesla

Comments