MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81d2df71cce351f3d60b5fa171de547146a1151d692d370bed62cc786ef9ec88. 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 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81d2df71cce351f3d60b5fa171de547146a1151d692d370bed62cc786ef9ec88
SHA3-384 hash: 570bb82b8eb1024be2d8afebde9b9734e6ae553c97ce4fd1678660fb427512db6778d10fc7aee8f9c52b3bc66d597438
SHA1 hash: 368e69065c4b032018e0c129f567c7636527baa2
MD5 hash: 32be962671f1dd1e66ff78f241dd56e0
humanhash: kentucky-oven-nebraska-six
File name:SOA USD 54,350.rar
Download: download sample
Signature AgentTesla
Create hunting rule
File size:680'611 bytes
First seen:2024-06-03 10:38:47 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 12288:phMmkI+ehscdWuOhLGZULrbBwMy4F6BrKA2k108O2vbhnOSUtV7JMHjTd5xiBiQD:phMmRfd94CZUtTy7vOudEtV7Jc5x+ist
TLSH T11EE423DF4CA70CAF28801545A0E5CD6BF923C91475B3C04FBA62D4BE02E877275DEA96
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: "Anna Sim - Quanterm Vn <account22.hcm@quanterm.com.vn>" (likely spoofed)
Received: "from quanterm.com.vn (unknown [45.137.22.163]) "
Date: "3 Jun 2024 12:37:53 +0200"
Subject: "RE: SOA in APR 2024 - QUANTERM VIETNAM"
Attachment: "SOA USD 54,350.rar"

Intelligence

File Origin
# of uploads :
1
# of downloads :
102
Origin country :
CH CH
File Archive Information

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

File name:SOA USD 54,350.exe
File size:885'768 bytes
SHA256 hash: de56c70d9543d35a0f93def14072e42a9df2b35f5b087fac3bfedd49c3f42ee6
MD5 hash: e7cf57a95364551414e40bf162837aac
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed vbnet
Link:
https://www.filescan.io/uploads/665d9d4749a1c8306265458a/reports/db10f0c5-9856-4c80-bf18-df0f8d36bfd6/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/81d2df71cce351f3d60b5fa171de547146a1151d692d370bed62cc786ef9ec88
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/81d2df71cce351f3d60b5fa171de547146a1151d692d370bed62cc786ef9ec88/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-06-03 05:16:32 UTC
File Type:
Binary (Archive)
Extracted files:
17
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qhjn64om4ni7hvqll6qxdxsuofdkcfi5newtoc7nmlghq3xz5sea._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla execution keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240603-skleeaae2z/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Command and Scripting Interpreter: PowerShell
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/81d2df71cce351f3d60b5fa171de547146a1151d692d370bed62cc786ef9ec88

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:AgentTeslaV5
Create hunting rule
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
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_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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

rar 81d2df71cce351f3d60b5fa171de547146a1151d692d370bed62cc786ef9ec88

(this sample)

AgentTesla

Executable exe de56c70d9543d35a0f93def14072e42a9df2b35f5b087fac3bfedd49c3f42ee6

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 de56c70d9543d35a0f93def14072e42a9df2b35f5b087fac3bfedd49c3f42ee6
  
Dropping
AgentTesla
  
Dropping
MD5 e7cf57a95364551414e40bf162837aac

Comments