MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 266bbc855f7bfabdb34ff1c9a53d567f1edc98640e160dcef7539d1e0b24796c. 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: 8


Intelligence 8 IOCs YARA 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 266bbc855f7bfabdb34ff1c9a53d567f1edc98640e160dcef7539d1e0b24796c
SHA3-384 hash: 90fc2a06ee3cc76c5cd72db20fc33d8198394cd55900bdb9e278ae88dfd86d9a0760df1cd8edcbd52b7328bac1b72785
SHA1 hash: a7b22899ffb4ad16e6e2849a982e51e4e2bb6c6f
MD5 hash: 6b34dd84ec9e3dbce901315c739181a7
humanhash: blossom-lake-uncle-butter
File name:BL-SHIPPING INVOICE.r15
Download: download sample
Signature AgentTesla
Create hunting rule
File size:651'834 bytes
First seen:2024-03-28 14:03:36 UTC
Last seen:2024-03-28 14:04:30 UTC
File type: rar
MIME type:application/x-rar
ssdeep 12288:e49dbJOC2NO/tRrogVsMdKrET4n9gq6IjsongjeXyfxK3+4Az7iXf/WKxASZH:xFrPVsbrEo6regjWiv9i5t
TLSH T1F6D423D19DD8F9A3C478FB1616A7799CEBBD9F78E9C493C253DEE210990612D80100E7
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:AgentTesla INVOICE r15 rar Shipping


Avatar
cocaman
Malicious email (T1566.001)
From: "Suki.Su@mic.com.tw<Suki.Su@mic.com.tw>" (likely spoofed)
Received: "from mic.com.tw (unknown [45.137.22.164]) "
Date: "28 Mar 2024 14:34:04 +0100"
Subject: "Re: CONTRACT OF RING TRAVELLER - TP-LRT/0401-24 INV.3175001503"
Attachment: "BL-SHIPPING INVOICE.r15"

Intelligence

File Origin
# of uploads :
3
# of downloads :
115
Origin country :
CH CH
File Archive Information

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

File name:BL-SHIPPING INVOICE.exe
File size:687'616 bytes
SHA256 hash: b700c973b1bf8d288ca8cfff7d713485f9792d8901e6658bd419ecf7cee76168
MD5 hash: 3c6f9e3babe0abf7f7cffdd5973478a4
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/266bbc855f7bfabdb34ff1c9a53d567f1edc98640e160dcef7539d1e0b24796c/results/dashboard
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/66057928f1c80c2d4d5b6bb7/reports/24bddfa5-718d-478f-a96a-de93cad0fbed/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/266bbc855f7bfabdb34ff1c9a53d567f1edc98640e160dcef7539d1e0b24796c
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/266bbc855f7bfabdb34ff1c9a53d567f1edc98640e160dcef7539d1e0b24796c/
Threat name:
ByteCode-MSIL.Trojan.Zmutzy
Create hunting rule
Status:
Malicious
First seen:
2024-03-28 14:03:42 UTC
File Type:
Binary (Archive)
Extracted files:
26
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ezv3zbk7pp5l3m2p6he2kpkwp4pnzgdebyla3txxkoor4czepfwa._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240328-r8qtcsgh6s/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
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.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/266bbc855f7bfabdb34ff1c9a53d567f1edc98640e160dcef7539d1e0b24796c

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_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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: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_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 266bbc855f7bfabdb34ff1c9a53d567f1edc98640e160dcef7539d1e0b24796c

(this sample)

AgentTesla

Executable exe b700c973b1bf8d288ca8cfff7d713485f9792d8901e6658bd419ecf7cee76168

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 b700c973b1bf8d288ca8cfff7d713485f9792d8901e6658bd419ecf7cee76168
  
Dropping
AgentTesla
  
Dropping
MD5 3c6f9e3babe0abf7f7cffdd5973478a4

Comments