MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 081b5e4fd64174f093cb6be0758ebe587847d391ab1257815629d9d1c3520dea. 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: 9


Intelligence 9 IOCs YARA 23 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 081b5e4fd64174f093cb6be0758ebe587847d391ab1257815629d9d1c3520dea
SHA3-384 hash: 1a45633d6cd772f0a6502a5d0c73402d7e63401089f0fbc3c68f81ff36c093cdbb396352174ee1283b623f38e6e84866
SHA1 hash: edb53f2c6b109d6910588f53a778dbe0d381afaf
MD5 hash: b859252d9a39a865617e42fb7b2ef61d
humanhash: bakerloo-solar-batman-alabama
File name:AN 250561137.rar
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'218'489 bytes
First seen:2025-03-28 09:08:28 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 24576:UM0WZh2aJVBSKiLS5JTEz3yHMkwSkRBAwD6qhSpdk+zL0Hn:hrf5BwS7TEDyHjjyAxqhSvF3yn
TLSH T1834533E0C965AFA7C14092FA95F43BBCF4892C1B5871CEF212C0C907D8A969CF9D5A5C
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 Maersk rar


Avatar
cocaman
Malicious email (T1566.001)
From: "Kristina M <kh.import@maersk.com>" (likely spoofed)
Received: "from dixonparker.proyectojuvenil.com (unknown [45.138.183.203]) "
Date: "26 Mar 2025 04:24:24 -0700"
Subject: "RE: REQ Arrival of BL # 250561137"
Attachment: "AN 250561137.rar"

Intelligence

File Origin
# of uploads :
1
# of downloads :
98
Origin country :
CH CH
File Archive Information

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

File name:AN 250561137.exe
File size:1'437'696 bytes
SHA256 hash: 73f84a24ad71c8218e35c8e832888d45a6595130d6aeae18ccd035f90cc91172
MD5 hash: 69880aaba9535b0c33ca92856b9997f2
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67e3e249cb6d38a89f3e5467
Tags:
smartassembly packed virus
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crypt obfuscated obfuscated packed packed packer_detected smartassembly smart_assembly
Link:
https://www.filescan.io/uploads/67e66751631830704a8a0e75/reports/c2032c90-de68-4ee1-9112-ec63db0ca531/overview
Verdict:
Suspicious
Labled as:
Ransom.Wacatac
Link:
https://www.hybrid-analysis.com/sample/081b5e4fd64174f093cb6be0758ebe587847d391ab1257815629d9d1c3520dea
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/081b5e4fd64174f093cb6be0758ebe587847d391ab1257815629d9d1c3520dea/
Threat name:
Win32.Trojan.GenSteal
Create hunting rule
Status:
Malicious
First seen:
2025-03-26 06:27:44 UTC
File Type:
Binary (Archive)
Extracted files:
19
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=banv4t6wif2pbe6lnpqhldv6lb4epu4rvmjfpakwfhm5dq2sbxva._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla discovery keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/250328-qlf5zaykt2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
AgentTesla
Agenttesla family
Suspicious use of NtCreateUserProcessOtherParentProcess
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/081b5e4fd64174f093cb6be0758ebe587847d391ab1257815629d9d1c3520dea

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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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_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

rar 081b5e4fd64174f093cb6be0758ebe587847d391ab1257815629d9d1c3520dea

(this sample)

AgentTesla

Executable exe 73f84a24ad71c8218e35c8e832888d45a6595130d6aeae18ccd035f90cc91172

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 73f84a24ad71c8218e35c8e832888d45a6595130d6aeae18ccd035f90cc91172
  
Dropping
AgentTesla

Comments


Avatar
Kasibe commented on 2025-03-28 09:35:49 UTC

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