MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c6acac0b80acbe944216117482ef3672a63bc5141b91a2ba7cf15a2b2ab88e54. 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: 7


Intelligence 7 IOCs YARA 17 File information Comments

SHA256 hash: c6acac0b80acbe944216117482ef3672a63bc5141b91a2ba7cf15a2b2ab88e54
SHA3-384 hash: dca22728f401d382e9e3c8592e7daaf3e1478e0e936693ceaf5c7e51ccaf63d98c4680def89c4f9b78b104045d5e32b1
SHA1 hash: b76229f534ee8990fc869080a27fe78fb09b27a8
MD5 hash: dd20d7fadef1ae237032468a49bde06d
humanhash: snake-blue-thirteen-purple
File name:specification sheet.rar
Download: download sample
Signature AgentTesla
File size:679'273 bytes
First seen:2024-02-27 09:30:26 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 12288:T/i5h3Tt0P/qpgb+bG2WCUJZoq7aHj1aLzBm7EQJhxn4eyPiFO1uG:e59BM/qU2W5Zdaj1aZm7Ee4zPv1P
TLSH T17AE4238F89166E77F7AD0954C3C0CD70C12C25485A6927E00DD62FDA7A26DE335AEACC
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:AgentTesla rar


Avatar
cocaman
Malicious email (T1566.001)
From: ""sqysyf@qiaoyun.com" <sqysyf@qiaoyun.com>" (likely spoofed)
Received: "from qiaoyun.com (unknown [45.137.22.78]) "
Date: "24 Feb 2024 16:31:49 +0100"
Subject: "telex release bill of lading + pre-recorded release note"
Attachment: "specification sheet.rar"

Intelligence


File Origin
# of uploads :
1
# of downloads :
108
Origin country :
CH CH
File Archive Information

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

File name:specification sheet.exe
File size:702'464 bytes
SHA256 hash: e68a0da390baf3802baa117bce98b4b3bcbd4f0d0f1355df483d1c5366206921
MD5 hash: 540e585e51c9a466de5d467f6740d99b
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm davinci packed
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:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2024-02-23 12:27:16 UTC
File Type:
Binary (Archive)
Extracted files:
8
AV detection:
22 of 38 (57.89%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
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.

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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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: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

rar c6acac0b80acbe944216117482ef3672a63bc5141b91a2ba7cf15a2b2ab88e54

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
AgentTesla

Comments