MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 891b5bb34a57b6f58d635f8c3c64e9f1ca2fec59030fb9094fa3efebfb5b8729. 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: 6


Intelligence 6 IOCs YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 891b5bb34a57b6f58d635f8c3c64e9f1ca2fec59030fb9094fa3efebfb5b8729
SHA3-384 hash: 6108e4fe01b06edb4ca0f2958e9d7c696c060549fd0155de54207e53f13fe1d3328ffd7b998ac4c4751e9383eec4d09b
SHA1 hash: 97ec7b797cd58226509ab7f2c6f376bb1ee6b99d
MD5 hash: 36fe92919a3998dd15a19f669a18f73b
humanhash: ceiling-louisiana-vermont-undress
File name:SOA MAY 2024.rar
Download: download sample
Signature AgentTesla
Create hunting rule
File size:685'220 bytes
First seen:2024-06-11 08:18:10 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 12288:eQp29jPjQB8MRMYrY+nBXsmTTj+ky6OMv9hjE4JorTF/+n9P5l1eNGl+xryVtSS4:/2VPRWMKlTTj+k2q9hjsfFK9P58G8qm
TLSH T1F7E4232EEB541E942758E6840B89B0781C9E21288D8D41BFCDDFBB4DB5BE3465D30E4E
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: "albee.leun@expressairhkg.com" (likely spoofed)
Received: "from unassigned.quadranet.com (unknown [155.94.210.73]) "
Date: "9 Jun 2024 23:21:11 -0700"
Subject: "SOA_MAY_ 2024"
Attachment: "SOA MAY 2024.rar"

Intelligence

File Origin
# of uploads :
1
# of downloads :
108
Origin country :
CH CH
File Archive Information

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

File name:SOA MAY 2024.exe
File size:731'136 bytes
SHA256 hash: 4210e25c33df901302fe42704fcd0832729e4efade9da5abe6a8f2512244024f
MD5 hash: f8fe6881e21dcba5b78d693f96f56c6f
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/66680878ce78046c1aad91ab/reports/4f153c3f-d1c1-4a0d-aae0-c59c43574b03/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/891b5bb34a57b6f58d635f8c3c64e9f1ca2fec59030fb9094fa3efebfb5b8729
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/891b5bb34a57b6f58d635f8c3c64e9f1ca2fec59030fb9094fa3efebfb5b8729/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-06-10 05:08:04 UTC
File Type:
Binary (Archive)
Extracted files:
10
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=renvxm2kk63pldldl6gdyzhj6hfc73czamh3sckpupx6x623q4uq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240611-nq59jsvgqd/
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 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.

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_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
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 891b5bb34a57b6f58d635f8c3c64e9f1ca2fec59030fb9094fa3efebfb5b8729

(this sample)

AgentTesla

Executable exe 4210e25c33df901302fe42704fcd0832729e4efade9da5abe6a8f2512244024f

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 4210e25c33df901302fe42704fcd0832729e4efade9da5abe6a8f2512244024f
  
Dropping
AgentTesla

Comments