MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c88b3cef97d1415ec4c543a13ec4d35528b957797974637ade947e412ba7e720. 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: 10


Intelligence 10 IOCs YARA 31 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c88b3cef97d1415ec4c543a13ec4d35528b957797974637ade947e412ba7e720
SHA3-384 hash: 7086019fd04789453557410736d89c372ff41d86732c30e1d1a27c0b1917df508874935c212fe0c385d0568ba262dfdd
SHA1 hash: d273244255cb7feae51b921e108177a0aaf409f9
MD5 hash: 13861ed06bd2a1b63f64654fed286d2e
humanhash: sixteen-november-papa-emma
File name:Payslip for June 2025_Transaction Ref#253006.pdf.zip
Download: download sample
Signature AgentTesla
Create hunting rule
File size:667'342 bytes
First seen:2025-07-01 11:47:19 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 12288:78a0xpAai8zxd4zjUsRB2sy+ZAyzkp6kRl1AGqBCgngbrw6u7xnCJ7nfPho:r6I8zxdggTb9v1r+ngbe9nCJju
TLSH T19EE4238FD00A1D05A6B3F279EB81EB329CB45652A6C5EF34BB7928C79DC1E5710B5280
Magika zip
Reporter cocaman
Tags:AgentTesla zip


Avatar
cocaman
Malicious email (T1566.001)
From: "Accounts Payroll <mertul@kit-fa.com>" (likely spoofed)
Received: "from unassigned.quadranet.com (unknown [198.55.98.68]) "
Date: "30 Jun 2025 22:48:32 -0700"
Subject: "Payslip for June 2025"
Attachment: "Payslip for June 2025_Transaction Ref#253006.pdf.zip"

Intelligence

File Origin
# of uploads :
1
# of downloads :
19
Origin country :
CH CH
File Archive Information

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

File name:Payslip for June 2025_Transaction Ref#253006.pdf.exe
File size:740'352 bytes
SHA256 hash: 99d1f6ce99a8c07c33ee2dafe789299e0a51c2860882a2548c6e612606b1c1c1
MD5 hash: 135d01a0215fbd3400c4ebdf158d629e
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Foxhole.Zip_pdf.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.PackedNET.3357.16621.272.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.25518.ZipHeur.Ext.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29905.BadZip_ObsPdfExe.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=686378bc37c3436779481f53
Tags:
micro agent lien msil
Result
Verdict:
Malicious
File Type:
PE File
Link:
https://app.docguard.net/c88b3cef97d1415ec4c543a13ec4d35528b957797974637ade947e412ba7e720/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bitmap masquerade obfuscated obfuscated packed packed packed reconnaissance roboski stego vbnet
Link:
https://www.filescan.io/uploads/6863cb09714e106cecb8ba6e/reports/d1bc63ee-8b81-4ba8-8ccc-25d1c5567e9a/overview
Verdict:
Malicious
Labled as:
HIDDENEXT/Worm.Generic
Link:
https://www.hybrid-analysis.com/sample/c88b3cef97d1415ec4c543a13ec4d35528b957797974637ade947e412ba7e720
Score:
99%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/c88b3cef97d1415ec4c543a13ec4d35528b957797974637ade947e412ba7e720
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
Executable PE (Portable Executable) Zip Archive
Link:
https://app.malva.re/file/13861ed06bd2a1b63f64654fed286d2e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c88b3cef97d1415ec4c543a13ec4d35528b957797974637ade947e412ba7e720/
Verdict:
Malicious
Link:
https://tip.neiki.dev/file/c88b3cef97d1415ec4c543a13ec4d35528b957797974637ade947e412ba7e720
Threat name:
Win32.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2025-07-01 03:55:33 UTC
File Type:
Binary (Archive)
Extracted files:
23
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zcftz34x2fav5rgfioqt5rgtkuulsv3zpf2gg6w6sr7eck5h44qa._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla discovery execution keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/250701-n8rh4swkx3/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: SetClipboardViewer
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
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
Command and Scripting Interpreter: PowerShell
AgentTesla
Agenttesla family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/c88b3cef97d1415ec4c543a13ec4d35528b957797974637ade947e412ba7e720

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:agentesla
Create hunting rule
Author:Michelle Khalil
Description:This rule detects unpacked agenttesla malware samples.
Rule name:AgentTeslaV2
Create hunting rule
Author:ditekshen
Description:AgenetTesla Type 2 Keylogger payload
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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
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:MALWARE_Win_AgentTeslaV2
Create hunting rule
Author:ditekSHen
Description:AgenetTesla Type 2 Keylogger payload
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:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:win32_dotnet_form_obfuscate
Create hunting rule
Author:Reedus0
Description:Rule for detecting .NET form obfuscate malware
Rule name:Windows_Generic_Threat_808f680e
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

zip c88b3cef97d1415ec4c543a13ec4d35528b957797974637ade947e412ba7e720

(this sample)

AgentTesla

Executable exe 99d1f6ce99a8c07c33ee2dafe789299e0a51c2860882a2548c6e612606b1c1c1

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 99d1f6ce99a8c07c33ee2dafe789299e0a51c2860882a2548c6e612606b1c1c1
  
Dropping
AgentTesla
  
Dropping
MD5 135d01a0215fbd3400c4ebdf158d629e

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