MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ed7b5ae3de3f7028fef983aa3bc6be21b537803d70f1cb8e3fc43c08f22c766. 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 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1ed7b5ae3de3f7028fef983aa3bc6be21b537803d70f1cb8e3fc43c08f22c766
SHA3-384 hash: 5a20b23903e8c993e3ca924d51807434cd5d7755774da24090e7323ec60974b48e733780a8b3278c5645075057269328
SHA1 hash: d22ae8631c117e10b323ad9ca8109f17963bd435
MD5 hash: d948d1ccceaa9804844616cc8e2f687b
humanhash: wolfram-glucose-freddie-mockingbird
File name:Halkbank,doc.7z
Download: download sample
Signature AgentTesla
Create hunting rule
File size:623'479 bytes
First seen:2024-04-02 11:28:20 UTC
Last seen:Never
File type: 7z
MIME type:application/x-rar
ssdeep 12288:qIa6h+zSJJXJb9JobSNrtgTe+1HUrG0D32csMRziZan6oJbeGu:/a6ozSNb9KbSU1Hoxh5iZb
TLSH T19CD423D292134BCCB9B085C5D801D9606680A672F19AF9ECD76567F6F6FA7FC30C9820
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:7z AgentTesla


Avatar
cocaman
Malicious email (T1566.001)
From: "T. HALK BANKASI <EKSTRE@halkbank.com.tr>" (likely spoofed)
Received: "from halkbank.com.tr (unknown [185.222.58.228]) "
Date: "2 Apr 2024 13:27:37 +0200"
Subject: "T.HALK BANKASI A.S.Hesap Ekstresi"
Attachment: "Halkbank,doc.7z"

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:Halkbank,doc.bat
File size:648'192 bytes
SHA256 hash: a4b1168f95a6e4fb04f2b53e4d71ed2f75c585a012a449226881b90c7e40c2c0
MD5 hash: d4d56922ab93963b2dcc26607deebfe0
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/660bec0415f64ac5035009f8/reports/e7ec0b39-8205-4952-84b0-b7b0831c1291/overview
Verdict:
Suspicious
Labled as:
Mal/DrodRar
Link:
https://www.hybrid-analysis.com/sample/1ed7b5ae3de3f7028fef983aa3bc6be21b537803d70f1cb8e3fc43c08f22c766
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/1ed7b5ae3de3f7028fef983aa3bc6be21b537803d70f1cb8e3fc43c08f22c766/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-04-02 10:23:19 UTC
File Type:
Binary (Archive)
Extracted files:
12
AV detection:
19 of 37 (51.35%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=d3l3llr54p3qfd7pta5khpdl4invg6ad24hrzohd7rb4bdzcy5ta._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240402-nrp9qahb64/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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/1ed7b5ae3de3f7028fef983aa3bc6be21b537803d70f1cb8e3fc43c08f22c766

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: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

7z 1ed7b5ae3de3f7028fef983aa3bc6be21b537803d70f1cb8e3fc43c08f22c766

(this sample)

AgentTesla

Executable exe a4b1168f95a6e4fb04f2b53e4d71ed2f75c585a012a449226881b90c7e40c2c0

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 a4b1168f95a6e4fb04f2b53e4d71ed2f75c585a012a449226881b90c7e40c2c0
  
Dropping
AgentTesla
  
Dropping
MD5 d4d56922ab93963b2dcc26607deebfe0

Comments