MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5739ae856f9b72e6e28d46b72c071b9574184684959dec6d4729f22291b4f6d. 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: 10


Intelligence 10 IOCs YARA 22 File information Comments

SHA256 hash: c5739ae856f9b72e6e28d46b72c071b9574184684959dec6d4729f22291b4f6d
SHA3-384 hash: 30fcac0e702b825f1ed252605bb6c15cb6bccdcb04c3b0618861ff7957d39bf13a76e34c713bc492ef59f199eab90a32
SHA1 hash: 9071b04cd88089c2627ae592965f0495256edb2f
MD5 hash: bcf4db1def73cd1e0c10b1c7671a91bd
humanhash: west-march-west-asparagus
File name:SOA - HUAFENG (JAN INVOICE OVERDUE).tar.001
Download: download sample
Signature AgentTesla
File size:1'231'360 bytes
First seen:2025-03-14 18:46:52 UTC
Last seen:Never
File type: tar
MIME type:application/x-tar
ssdeep 24576:Qmuil1zWDv0GtEg9iNVqB6dDG5Ts8uN3IbpUcGMatXpfDG:QiU8GtALqS84pNCpUltXJG
TLSH T165451206778A5921CA866FB7DEC54420DFB5E442FE13E75B319D23B84903B19BF0A386
TrID 62.9% (.TAR/USTAR) TAR - Tape ARchive (POSIX) (17/3)
37.0% (.TAR) TAR - Tape ARchive (file) (10/3)
Magika tar
Reporter cocaman
Tags:001 AgentTesla INVOICE tar


Avatar
cocaman
Malicious email (T1566.001)
From: ""acgroupthfcn.com.sg" <acgroup@thfcn.com.sg>" (likely spoofed)
Received: "from thfcn.com.sg (216-131-75-250.atl.as62651.net [216.131.75.250]) "
Date: "14 Mar 2025 11:45:12 -0700"
Subject: "URGENT - HUAFENG SOA TO CARGO CONSOL INDIA DD 14 MAR 2025 (JAN INV OVERDUE)"
Attachment: "SOA - HUAFENG (JAN INVOICE OVERDUE).tar.001"

Intelligence


File Origin
# of uploads :
1
# of downloads :
105
Origin country :
CH CH
File Archive Information

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

File name:SOA - HUAFENG (JAN INVOICE OVERDUE).exe
File size:1'229'824 bytes
SHA256 hash: df52744df9ff4bd8dfb0b6e6e86f94d1d885caba0f2deb2f8a429978b475508a
MD5 hash: eb11183b01282bd6a62280b200b6a52f
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Verdict:
Malicious
Score:
90.9%
Tags:
autorun agensla virus msil
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade net_reactor obfuscated packed packed packer_detected
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.
Threat name:
Win32.Trojan.LummaStealer
Status:
Malicious
First seen:
2025-03-14 10:01:45 UTC
File Type:
Binary (Archive)
Extracted files:
4
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla discovery keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Looks up external IP address via web service
Drops startup file
AgentTesla
Agenttesla family
Suspicious use of NtCreateUserProcessOtherParentProcess
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
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
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
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:win32_dotnet_obfuscate
Author:Reedus0
Description:Rule for detecting .NET obfuscated malware
Rule name:Windows_Generic_Threat_9f4a80b2
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla
Rule name:win_agent_tesla_g2
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

tar c5739ae856f9b72e6e28d46b72c071b9574184684959dec6d4729f22291b4f6d

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
AgentTesla

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