MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 61d89219b10d9cf6131dd2fe5f8189b4839bacdd450c936b91970151e5f2da7b. 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 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 61d89219b10d9cf6131dd2fe5f8189b4839bacdd450c936b91970151e5f2da7b
SHA3-384 hash: 22dd5b569972ece3e511f1931d12309267b62375ed8f7272b1af7c82a919fcc97e092d08947451bf52eb7c32dd2e4d95
SHA1 hash: a44e5f2a9836d368f5dd4740d86e82c6bc050c72
MD5 hash: 679dcf0dc2fbbbf176e0a24995ca1ee8
humanhash: two-september-table-timing
File name:Response.rar
Download: download sample
Signature AgentTesla
Create hunting rule
File size:651'452 bytes
First seen:2023-10-24 08:45:52 UTC
Last seen:2023-10-24 09:03:00 UTC
File type: rar
MIME type:application/x-rar
ssdeep 12288:QuEBDZ9p+peaAoEgakJ9kHVAQd+UXuhNNjbkKsQ4JjQ6wSyKpbZY:tEz97a78kHkHSW+muhTjbhh4Jjzw4bZY
TLSH T114D42380AFB943FFBB541C2942A1926A2406300B9798BDF493C10FDF9DA9D5DBF59834
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:AgentTesla QUOTATION rar


Avatar
cocaman
Malicious email (T1566.001)
From: "sales@royenterprise.com" (likely spoofed)
Received: "from royenterprise.com (unknown [185.225.75.115]) "
Date: "18 Oct 2023 01:56:53 -0700"
Subject: "Quotation"
Attachment: "Quotation.rar"

Intelligence

File Origin
# of uploads :
3
# of downloads :
114
Origin country :
CH CH
File Archive Information

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

File name:CuAWtVjV6H851Ub.exe
File size:1'001'984 bytes
SHA256 hash: 13c93beafbb88535f718681736278285e35230910368b9b89cc49b21f7bd459e
MD5 hash: 91976bda9f4b758dff1dcd990081c88f
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/61d89219b10d9cf6131dd2fe5f8189b4839bacdd450c936b91970151e5f2da7b/results/dashboard
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6537844c4678fc28dfc802a7/reports/9fd516c6-044f-4229-82aa-29a511604f0b/overview
Verdict:
Malicious
Link:
https://www.hybrid-analysis.com/sample/61d89219b10d9cf6131dd2fe5f8189b4839bacdd450c936b91970151e5f2da7b
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/61d89219b10d9cf6131dd2fe5f8189b4839bacdd450c936b91970151e5f2da7b/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2023-10-18 07:36:10 UTC
File Type:
Binary (Archive)
Extracted files:
8
AV detection:
20 of 38 (52.63%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mhmjegnrbwopmey52l7f7amjwsbzxlg5iugjg24rs4avdzps3j5q._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/231024-k5827sbh7s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP clients
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.

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: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: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: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 61d89219b10d9cf6131dd2fe5f8189b4839bacdd450c936b91970151e5f2da7b

(this sample)

AgentTesla

Executable exe 13c93beafbb88535f718681736278285e35230910368b9b89cc49b21f7bd459e

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 13c93beafbb88535f718681736278285e35230910368b9b89cc49b21f7bd459e
  
Dropping
AgentTesla
  
Dropping
MD5 91976bda9f4b758dff1dcd990081c88f

Comments