MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc540b38a352f20ac0e3a7540328638eec6f08466068c3f1c7d0f815841758fb. 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 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dc540b38a352f20ac0e3a7540328638eec6f08466068c3f1c7d0f815841758fb
SHA3-384 hash: 7b08cfdc957c2f00f1c1cece5676fd06566c9da8ce5af2e98595baf19fcddb9c9b1b7b3bfae18716af0a03f1d55da0fb
SHA1 hash: 53290f0adc8aafab3cef45d9103f2e7dd05c0f5a
MD5 hash: 76b0b6c1a2c843ba8e04df8c925f0218
humanhash: potato-black-winter-skylark
File name:STATEMENT OF ACCOUNT.pdf______________________________________________________________________________________________________.rar
Download: download sample
Signature AgentTesla
Create hunting rule
File size:769'869 bytes
First seen:2023-12-08 15:19:25 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 12288:n3eHmycbYeuva5UhPmN1gO+qwef4HQfQyxcAWpQFWFfar76DGVh/gtQXkJevIX:nuXeuaWPmN18q2wogcJpQafkLaxJevIX
TLSH T15EF433590A625E8667C77E370AF1320FB9800BB6E6857E9E5735D1C302CF2AD13C961E
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:AgentTesla payment rar


Avatar
cocaman
Malicious email (T1566.001)
From: "Diamond Shipbroking Ltd <chartering@diamond-sb.com>" (likely spoofed)
Received: "from diamond-sb.com (unknown [91.92.245.118]) "
Date: "8 Dec 2023 05:56:25 -0800"
Subject: "RE : Balance Payment"
Attachment: "STATEMENT OF ACCOUNT.pdf______________________________________________________________________________________________________.rar"

Intelligence

File Origin
# of uploads :
1
# of downloads :
97
Origin country :
CH CH
File Archive Information

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

File name:STATEMENT OF ACCOUNT.pdf______________________________________________________________________________________________________.exe
File size:997'888 bytes
SHA256 hash: a2d18105194e15ef86987c3eba487d3c98e4ffcc9f5df8fff8c2c71559729641
MD5 hash: b624b22306191a4001991e6a98a7633c
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/dc540b38a352f20ac0e3a7540328638eec6f08466068c3f1c7d0f815841758fb/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65733426855eb2633d63b093/reports/0ea6a9cc-91e3-4ea5-8d9f-ffb83e028d82/overview
Verdict:
Malicious
Labled as:
Mal/RarMal
Link:
https://www.hybrid-analysis.com/sample/dc540b38a352f20ac0e3a7540328638eec6f08466068c3f1c7d0f815841758fb
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/dc540b38a352f20ac0e3a7540328638eec6f08466068c3f1c7d0f815841758fb/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-12-07 09:51:37 UTC
File Type:
Binary (Archive)
Extracted files:
54
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3rkawofdklzavqhdu5kagkddr3wg6ccgmbumh4oh2d4blbaxld5q._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231208-t6jndabbbl/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
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/dc540b38a352f20ac0e3a7540328638eec6f08466068c3f1c7d0f815841758fb

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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: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: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 dc540b38a352f20ac0e3a7540328638eec6f08466068c3f1c7d0f815841758fb

(this sample)

AgentTesla

Executable exe a2d18105194e15ef86987c3eba487d3c98e4ffcc9f5df8fff8c2c71559729641

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 a2d18105194e15ef86987c3eba487d3c98e4ffcc9f5df8fff8c2c71559729641
  
Dropping
AgentTesla
  
Dropping
MD5 b624b22306191a4001991e6a98a7633c

Comments