MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9b45c4badfc9d041abcc6d169b88da4bb648a608e404f9d0329dbe8b1083b17b. 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: 8


Intelligence 8 IOCs YARA 28 File information Comments
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SHA256 hash: 9b45c4badfc9d041abcc6d169b88da4bb648a608e404f9d0329dbe8b1083b17b
SHA3-384 hash: ba4c9adc2a71ff2d439bea6c0953962c10d0e507bea0e02649571b987424df76b3e06466ebd76a686a8a4e6d616d912f
SHA1 hash: fb112173cd410c6c0b3b4ae08ca94e9c07787969
MD5 hash: cccb9092c8c03c199b4fd93cc0aa4486
humanhash: coffee-north-network-seventeen
File name:Purchase Order PROWORKS=2025-824.pdf.001
Download: download sample
Signature AgentTesla
Create hunting rule
File size:327'411 bytes
First seen:2025-08-27 08:59:51 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 6144:XIloEes04aPS9xlyv1LtDqOR53fcbypGu7cy2gVajPmjE/q/U7wFTSKwv1HVGUnw:X4esvaqbajR5k6Gu7cIV2OjEi/xTEVGx
TLSH T15564235BA7892D8CB24B4B8D487870A165C27FD1DF33F83B2E57E00D44628546B65BCB
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Magika rar
Reporter cocaman
Tags:001 AgentTesla rar


Avatar
cocaman
Malicious email (T1566.001)
From: "admin@proworkstools.com <admin@proworkstools.com>" (likely spoofed)
Received: "from 216-131-112-239.ams.as62651.net (216-131-112-239.ams.as62651.net [216.131.112.239]) "
Date: "19 Aug 2025 07:55:04 -0700"
Subject: "New order please check"
Attachment: "Purchase Order PROWORKS=2025-824.pdf.001"

Intelligence

File Origin
# of uploads :
1
# of downloads :
52
Origin country :
CH CH
File Archive Information

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

File name:Purchase Order PROWORKS=2025-824.pdf.exe
File size:393'728 bytes
SHA256 hash: 3e71057881c5dd0a97034bf0f018cc8b2e7daab4a45c7452d309359f6ac0d5b8
MD5 hash: 8f4c7bc0b36e8f166a23a1696d893f6d
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28929.RarHeur.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68aec947eb163e0ec182d6f2
Tags:
underscore emotet
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 crypto_obfuscator masquerade obfuscated obfuscated packed packed
Link:
https://www.filescan.io/uploads/68aec96b1c81c34281d50b0e/reports/d61db26c-a9c4-45ec-8222-c3f1364134be/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/9b45c4badfc9d041abcc6d169b88da4bb648a608e404f9d0329dbe8b1083b17b
Verdict:
Malicious
File Type:
rar
First seen:
2025-08-19T05:49:00Z UTC
Last seen:
2025-08-19T05:49:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/9b45c4badfc9d041abcc6d169b88da4bb648a608e404f9d0329dbe8b1083b17b/results?tab=lookup
Verdict:
inconclusive
YARA:
1 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout Rar Archive SOS: 0.44
Link:
https://app.malva.re/file/cccb9092c8c03c199b4fd93cc0aa4486
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9b45c4badfc9d041abcc6d169b88da4bb648a608e404f9d0329dbe8b1083b17b/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2025-08-19 08:23:01 UTC
File Type:
Binary (Archive)
Extracted files:
4
AV detection:
26 of 38 (68.42%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tnc4jow7zhiedk6mnuljxcg2jo3erjqi4qcptubstw7iweedwf5q._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla discovery keylogger spyware stealer trojan
Link:
https://tria.ge/reports/250827-labc5aaq7w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
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
Agenttesla family
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:agentesla
Create hunting rule
Author:Michelle Khalil
Description:This rule detects unpacked agenttesla malware samples.
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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:CP_Script_Inject_Detector
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Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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
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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: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:SUSP_RAR_with_PDF_Script_Obfuscation
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects RAR file with suspicious .pdf extension prefix to trick users
Reference:Internal Research
Rule name:SUSP_RAR_with_PDF_Script_Obfuscation_RID34A4
Create hunting rule
Author:Florian Roth
Description:Detects RAR file with suspicious .pdf extension prefix to trick users
Reference:Internal Research
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
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Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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 9b45c4badfc9d041abcc6d169b88da4bb648a608e404f9d0329dbe8b1083b17b

(this sample)

AgentTesla

Executable exe 3e71057881c5dd0a97034bf0f018cc8b2e7daab4a45c7452d309359f6ac0d5b8

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 3e71057881c5dd0a97034bf0f018cc8b2e7daab4a45c7452d309359f6ac0d5b8
  
Dropping
AgentTesla
  
Dropping
MD5 8f4c7bc0b36e8f166a23a1696d893f6d

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