MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4280ebef9975fa828942cad33f5a1186c2354464aa7a813223f2a744481d4803. 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 25 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4280ebef9975fa828942cad33f5a1186c2354464aa7a813223f2a744481d4803
SHA3-384 hash: 67addb2dc8a8129ad2f549f14c220effe6792e06cd530da2ca20d37f53a8f38b9d866fa29fc2df23179ed4ca9d452bdc
SHA1 hash: 17eef68c9ecb8bacccc3a1829c82e3ffb25a839d
MD5 hash: 4789a87ea58b35253c9a54858a50f343
humanhash: gee-cardinal-purple-connecticut
File name:swift_83784.ARJ
Download: download sample
Signature AgentTesla
Create hunting rule
File size:642'037 bytes
First seen:2025-02-25 10:22:55 UTC
Last seen:Never
File type: arj
MIME type:application/x-rar
ssdeep 12288:RuSduUB+R0Na8bFxEnfhWdR0AFb9kjk6kebOqfNJeq5JibN7+LM:RuSEUB+RKFxEfhWRn2jM0vv5C
TLSH T11CD423A564D6EB329767E52CCCCB52FF50D7FD48AEADC018B04145DE6CABB22096203D
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Magika rar
Reporter cocaman
Tags:AgentTesla arj SWIFT


Avatar
cocaman
Malicious email (T1566.001)
From: "payable <accounts2@fujincorp.com>" (likely spoofed)
Received: "from [103.237.86.247] (unknown [103.237.86.247]) "
Date: "25 Feb 2025 17:20:46 +0700"
Subject: "Re: SWIFT Transfer (103) TT/USD/7145/2/URGENT"
Attachment: "swift_83784.ARJ"

Intelligence

File Origin
# of uploads :
1
# of downloads :
113
Origin country :
CH CH
File Archive Information

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

File name:swift_83784.exe
File size:702'464 bytes
SHA256 hash: a929455b2258abd58fffaa707598245c323137ff60323b59543e1aa5b54022bd
MD5 hash: cb9a035d268b654ec3f776f8fc7c866f
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67bd9a54a0fd713c335cb4ec
Tags:
shell virus micro
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67bd9a176222db7f23daf26e/reports/3449a844-fba4-4774-98db-604d2faca0b6/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/4280ebef9975fa828942cad33f5a1186c2354464aa7a813223f2a744481d4803
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/4280ebef9975fa828942cad33f5a1186c2354464aa7a813223f2a744481d4803/
Threat name:
Win32.Trojan.Zmutzy
Create hunting rule
Status:
Malicious
First seen:
2025-02-25 10:06:36 UTC
File Type:
Binary (Archive)
Extracted files:
12
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ikaox34zox5ifckczljt6wqrq3bdkrdevj5icmrd6ktuisa5jabq._file
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/4280ebef9975fa828942cad33f5a1186c2354464aa7a813223f2a744481d4803

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:AgentTeslaV2
Create hunting rule
Author:ditekshen
Description:AgenetTesla Type 2 Keylogger payload
Rule name:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Create hunting rule
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
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:MALWARE_Win_AgentTeslaV2
Create hunting rule
Author:ditekSHen
Description:AgenetTesla Type 2 Keylogger payload
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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:Windows_Generic_Threat_9f4a80b2
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla
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

arj 4280ebef9975fa828942cad33f5a1186c2354464aa7a813223f2a744481d4803

(this sample)

AgentTesla

Executable exe a929455b2258abd58fffaa707598245c323137ff60323b59543e1aa5b54022bd

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 a929455b2258abd58fffaa707598245c323137ff60323b59543e1aa5b54022bd
  
Dropping
MD5 cb9a035d268b654ec3f776f8fc7c866f

Comments