MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21a6150f936a6e5a0771a0f1e9f4ee829c39de4f04d36c04eb5c2dace6e46987. 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 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21a6150f936a6e5a0771a0f1e9f4ee829c39de4f04d36c04eb5c2dace6e46987
SHA3-384 hash: 9ac3b056cd4e5e951ee9ab093f424d83f1077581a653754e55cb22b311437ea79c8120fd0ba2e2bcac6f4d94d8ff5ba5
SHA1 hash: 9a07780f0885e12ab9a8f7e2d4493048879353f9
MD5 hash: a1ec77271287f41a17afdabdc3d2269a
humanhash: friend-green-minnesota-ten
File name:Approved E-DO PDF.rar
Download: download sample
Signature AgentTesla
Create hunting rule
File size:653'189 bytes
First seen:2024-05-02 11:44:43 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 12288:2rMqCscVhmISZj+6DHPD9xPWraW0OVxuB8/cSZuO0Esb+viAmuWkA:2rMqomIYj+6rL9ZI0OHu6/cSuK68A
TLSH T180D4239288E4D432F8E88477D575BB17F884267FA9010ECB0442A496B3AF7E5B344F2C
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: "Union Cargo-Freesia/Customer Service <cus15@szunioncargo.com>" (likely spoofed)
Received: "from hosted-by.rootlayer.net (unknown [185.222.58.228]) "
Date: "2 May 2024 13:43:56 +0200"
Subject: "=?UTF-8?B?QVJSSVZFTCBOT1RJQ0UgQ01BIENHTSBNT01CQVNBIC8gVi4wNEdIVlcxTUEgIyAyeDIwJyBHUCBGQ0wgIyBTSU5HQVBPUkUgIyBHQ1NHMTUxMDUzIC8gR0NTRzE1MTM0NyDrqZTrqqgg7LaU6rCA?="
Attachment: "Approved E-DO PDF.rar"

Intelligence

File Origin
# of uploads :
1
# of downloads :
94
Origin country :
CH CH
File Archive Information

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

File name:Approved E-DO PDF.exe
File size:714'752 bytes
SHA256 hash: 56f69825010da76642ee25cf55098c51f6ded6f6fe2718b6c69c1c4b74b57c65
MD5 hash: ccd1edccbd14c9c0245099ac2920be83
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/66337cc10694596be92ec64d/reports/495f5471-6441-4a05-a434-95ef4c27a901/overview
Verdict:
Suspicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/21a6150f936a6e5a0771a0f1e9f4ee829c39de4f04d36c04eb5c2dace6e46987
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/21a6150f936a6e5a0771a0f1e9f4ee829c39de4f04d36c04eb5c2dace6e46987/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Suspicious
First seen:
2024-05-02 11:44:46 UTC
File Type:
Binary (Archive)
Extracted files:
15
AV detection:
13 of 24 (54.17%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=egtbkd4tnjxfub3rudy6t5hoqkodtxspatjwybhllqw2zzxengdq._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/240502-qq8e1sca43/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
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/21a6150f936a6e5a0771a0f1e9f4ee829c39de4f04d36c04eb5c2dace6e46987

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: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_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:Windows_Generic_Threat_9a8dc290
Create hunting rule
Author:Elastic Security
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 21a6150f936a6e5a0771a0f1e9f4ee829c39de4f04d36c04eb5c2dace6e46987

(this sample)

AgentTesla

Executable exe 56f69825010da76642ee25cf55098c51f6ded6f6fe2718b6c69c1c4b74b57c65

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 56f69825010da76642ee25cf55098c51f6ded6f6fe2718b6c69c1c4b74b57c65
  
Dropping
MD5 ccd1edccbd14c9c0245099ac2920be83

Comments