MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 913ea9cb58ccec35d15845c80b4885954f0ab1f5d69d8f39cf18586d7f328997. 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 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 913ea9cb58ccec35d15845c80b4885954f0ab1f5d69d8f39cf18586d7f328997
SHA3-384 hash: 4a2cee6e391cb1ab1bb1d7a36b369d844afb5b2661a9e0cffd1273752f98b350c5d7ffe81cbc38aeee628ddc879c7af2
SHA1 hash: fdc44068946a0ff2359a27790c48d3077318e002
MD5 hash: cc9cf45562ca2327e87906303652e07d
humanhash: magnesium-grey-yankee-pluto
File name:CONTRACT DETAILS-73649000000000000000.rar
Download: download sample
Signature AgentTesla
Create hunting rule
File size:755'053 bytes
First seen:2024-04-30 07:32:25 UTC
Last seen:2024-04-30 07:33:11 UTC
File type: rar
MIME type:application/x-rar
ssdeep 12288:Iawa6aTskOMFKZHXCRHiMEB9pDz7xZUcQeIXZu/rwqsY+lQggcS8WaXre5:IRa6aYzMdRHXgpD3xZUbejrwq0y8WS6
TLSH T1A4F4333B2C6BBB07F4652A62D99A0B8CB9CDA391FB4DC6043C48D089D069A5D51EC737
TrID 58.3% (.RAR) RAR compressed archive (v-4.x) (7000/1)
41.6% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:AgentTesla rar


Avatar
cocaman
Malicious email (T1566.001)
From: "tara.tsai@jsrtexgroup.com" (likely spoofed)
Received: "from jsrtexgroup.com (unknown [91.218.14.62]) "
Date: "30 Apr 2024 03:09:45 +0300"
Subject: "RE: Revised Sales Contract "
Attachment: "CONTRACT DETAILS-73649000000000000000.rar"

Intelligence

File Origin
# of uploads :
3
# of downloads :
83
Origin country :
CH CH
File Archive Information

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

File name:CONTRACT DETAILS-73649000000000000000.exe
File size:801'792 bytes
SHA256 hash: 98b85ee0663117740bdac3c6af9fd2c637206f83be0978b865bc9cce1cc2eb51
MD5 hash: f17de52fcf8876fe0f7dfe27938821ad
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/66309eb575339da04fa77773/reports/169df9d0-560a-48c9-a9de-a492729dc4cc/overview
Verdict:
Suspicious
Labled as:
Mal/DrodRar
Link:
https://www.hybrid-analysis.com/sample/913ea9cb58ccec35d15845c80b4885954f0ab1f5d69d8f39cf18586d7f328997
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/913ea9cb58ccec35d15845c80b4885954f0ab1f5d69d8f39cf18586d7f328997/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-04-30 00:51:45 UTC
File Type:
Binary (Archive)
Extracted files:
12
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=se7kts2yztwdlukyixeawsefsvhqvmpv22oy6oopdbmg27zsrglq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240430-jgy2nafe85/
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
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
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/913ea9cb58ccec35d15845c80b4885954f0ab1f5d69d8f39cf18586d7f328997

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_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 913ea9cb58ccec35d15845c80b4885954f0ab1f5d69d8f39cf18586d7f328997

(this sample)

AgentTesla

Executable exe 98b85ee0663117740bdac3c6af9fd2c637206f83be0978b865bc9cce1cc2eb51

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 98b85ee0663117740bdac3c6af9fd2c637206f83be0978b865bc9cce1cc2eb51
  
Dropping
AgentTesla

Comments