MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83a0494e66fe488396045de3283a3b15077cf14a47218a61dcfb2820aacbac97. 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 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 83a0494e66fe488396045de3283a3b15077cf14a47218a61dcfb2820aacbac97
SHA3-384 hash: 2bc16a3d1bae747eab82d97753322a0f4fa9ece7fc597fa654f2ed8a01a1ea6698916b598061a81dd66b9e68d3229708
SHA1 hash: b177a1188c8b1a2b9662a4ef92073fa2fe077c83
MD5 hash: 62ca5bc3a7b05b32496fbb7688c99057
humanhash: lemon-bacon-fourteen-lake
File name:payment overdue.pdf.7z
Download: download sample
Signature AgentTesla
Create hunting rule
File size:416'502 bytes
First seen:2023-10-23 05:22:33 UTC
Last seen:Never
File type: 7z
MIME type:application/x-7z-compressed
ssdeep 12288:zVnJmFdr0VH6Hb6Ucl6DrySGjwlY9hUaUDF:FJ6wa76+DrUjrTUaUDF
TLSH T18A9433E3C1A9BC2F4B1918F38B5215B6E153483F7B33A5F2B1873A63B51C82411D9E19
TrID 57.1% (.7Z) 7-Zip compressed archive (v0.4) (8000/1)
42.8% (.7Z) 7-Zip compressed archive (gen) (6000/1)
Reporter cocaman
Tags:7z AgentTesla payment


Avatar
cocaman
Malicious email (T1566.001)
From: "magm@kstar.com.cn" (likely spoofed)
Received: "from kstar.com.cn (unknown [194.180.48.200]) "
Date: "10 Oct 2023 20:49:42 +0200"
Subject: "Balance payment."
Attachment: "payment overdue.pdf.7z"

Intelligence

File Origin
# of uploads :
1
# of downloads :
100
Origin country :
CH CH
File Archive Information

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

File name:payment overdue.pdf.exe
File size:681'984 bytes
SHA256 hash: 5f62b82aba3010c5601596f618738b5c122cda283b924c6586ba24bdae54b011
MD5 hash: e6d4199e17473fdebfa24ef6e4302a92
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Foxhole.7z_pdf.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.KillProc2.21672.31028.18460.UNOFFICIAL
Create hunting rule

Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/83a0494e66fe488396045de3283a3b15077cf14a47218a61dcfb2820aacbac97/results/dashboard
Gathering data
Verdict:
Malicious
Labled as:
Mal/Drod7zip
Link:
https://www.hybrid-analysis.com/sample/83a0494e66fe488396045de3283a3b15077cf14a47218a61dcfb2820aacbac97
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.
Score:
100%
Verdict:
Malware
File Type:
Archive
Link:
https://malprob.io/report/83a0494e66fe488396045de3283a3b15077cf14a47218a61dcfb2820aacbac97
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/83a0494e66fe488396045de3283a3b15077cf14a47218a61dcfb2820aacbac97/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-10-10 19:07:06 UTC
File Type:
Binary (Archive)
Extracted files:
31
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qoqesttg7zeihfqelxrsqor3cudxz4kki4qyuyo47mucbkwlvslq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/231023-grfxqaed8s/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
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:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/83a0494e66fe488396045de3283a3b15077cf14a47218a61dcfb2820aacbac97

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: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: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

7z 83a0494e66fe488396045de3283a3b15077cf14a47218a61dcfb2820aacbac97

(this sample)

AgentTesla

Executable exe 5f62b82aba3010c5601596f618738b5c122cda283b924c6586ba24bdae54b011

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 5f62b82aba3010c5601596f618738b5c122cda283b924c6586ba24bdae54b011
  
Dropping
AgentTesla

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