MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfb8d72c8a3cd8c663e8e9f967df3f8475f7dd85b34fccbb1f4ed8b8237d3cda. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bfb8d72c8a3cd8c663e8e9f967df3f8475f7dd85b34fccbb1f4ed8b8237d3cda
SHA3-384 hash: 2bb588c7b9661630d677572ed835cdc097bb3ff98e4db835fde37c92f46a42281ddf768073a7cea9ee620476601a3128
SHA1 hash: f61a55cc0d2781c1e58a361af852b2bd37bc148f
MD5 hash: a59dc05e84a6b9af430451c58b561a96
humanhash: glucose-neptune-fruit-michigan
File name:Purchase_Order 276636,pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:35'840 bytes
First seen:2025-06-04 12:50:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 768:+jEyJrZIbt7YguF6CmSCv+8nViHwnUUHjTL4GP:+jXSbmguFKSy+inUMjIu
Threatray 3'933 similar samples on MalwareBazaar
TLSH T147F2191C0798A6AFC7EE8538AAD6624152F0C2537983FB8BADD1517314177E60A036FF
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
394
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Purchase_Order 276636,pdf.exe
Verdict:
Malicious activity
Analysis date:
2025-06-04 13:20:32 UTC
Tags:
fileshare stealer exfiltration smtp ultravnc rmm-tool auto-startup agenttesla
Link:
https://app.any.run/tasks/73a9f9f3-2a9d-40c5-a8fb-9f4b472ebd88

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/7256/
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=684041bf8bd5d68a12e51e95
Tags:
agenttesla autorun agentb lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/bfb8d72c8a3cd8c663e8e9f967df3f8475f7dd85b34fccbb1f4ed8b8237d3cda
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/46e9518a-7b26-42e7-85c7-e4baebc4a58f
Result
Threat name:
AgentTesla, ResolverRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1705869
Signature
.NET source code contains potential unpacker
Drops VBS files to the startup folder
Encrypted powershell cmdline option found
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Drops script at startup location
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses ipconfig to lookup or modify the Windows network settings
Uses threadpools to delay analysis
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected ResolverRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1705869 Sample: Purchase_Order 276636,pdf.exe Startdate: 04/06/2025 Architecture: WINDOWS Score: 100 63 mail.gunsaldi.com 2->63 65 files.catbox.moe 2->65 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 Multi AV Scanner detection for submitted file 2->77 79 15 other signatures 2->79 9 Purchase_Order 276636,pdf.exe 15 6 2->9         started        14 wscript.exe 2->14         started        16 svchost.exe 1 1 2->16         started        signatures3 process4 dnsIp5 69 files.catbox.moe 108.181.20.35, 443, 49681, 49693 ASN852CA Canada 9->69 57 C:\Users\user\AppData\Roaming\buka.exe, PE32 9->57 dropped 59 C:\Users\user\...\buka.exe:Zone.Identifier, ASCII 9->59 dropped 61 C:\Users\user\AppData\Roaming\...\buka.vbs, ASCII 9->61 dropped 107 Encrypted powershell cmdline option found 9->107 109 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->109 111 Writes to foreign memory regions 9->111 113 Injects a PE file into a foreign processes 9->113 18 InstallUtil.exe 2 9->18         started        22 powershell.exe 21 9->22         started        24 cmd.exe 1 9->24         started        26 cmd.exe 1 9->26         started        115 Windows Scripting host queries suspicious COM object (likely to drop second stage) 14->115 28 buka.exe 14->28         started        71 127.0.0.1 unknown unknown 16->71 file6 signatures7 process8 dnsIp9 67 mail.gunsaldi.com 31.222.235.198, 49687, 49695, 587 GIGALIS-ASFR unknown 18->67 81 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->81 83 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->83 85 Tries to steal Mail credentials (via file / registry access) 18->85 87 Loading BitLocker PowerShell Module 22->87 30 WmiPrvSE.exe 22->30         started        32 conhost.exe 22->32         started        89 Uses ipconfig to lookup or modify the Windows network settings 24->89 34 conhost.exe 24->34         started        36 ipconfig.exe 1 24->36         started        38 conhost.exe 26->38         started        40 ipconfig.exe 1 26->40         started        91 Multi AV Scanner detection for dropped file 28->91 93 Writes to foreign memory regions 28->93 95 Injects a PE file into a foreign processes 28->95 97 Uses threadpools to delay analysis 28->97 42 InstallUtil.exe 28->42         started        45 cmd.exe 28->45         started        47 cmd.exe 28->47         started        signatures10 process11 signatures12 99 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 42->99 101 Tries to steal Mail credentials (via file / registry access) 42->101 103 Tries to harvest and steal ftp login credentials 42->103 105 Tries to harvest and steal browser information (history, passwords, etc) 42->105 49 conhost.exe 45->49         started        51 ipconfig.exe 45->51         started        53 conhost.exe 47->53         started        55 ipconfig.exe 47->55         started        process13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bfb8d72c8a3cd8c663e8e9f967df3f8475f7dd85b34fccbb1f4ed8b8237d3cda
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bfb8d72c8a3cd8c663e8e9f967df3f8475f7dd85b34fccbb1f4ed8b8237d3cda/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2025-06-02 23:15:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
30 of 38 (78.95%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x64nolekhtmmmy7i5h4wpxz7qr27pxmfwnh4zoy7j3mlqi35htna._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
a06d8e3e124b71683ab6c2aa090e6e845901b87b45bf5585a7dc7f5ddb12c0b4
AgentTesla
a1795bec57a95a86b4d0b294b139d33d1901b8aa5049a6f2a5c4284f2947ec1c
AgentTesla
b9aa15b40149a14595782f3138816babd5aa6a2cae761d9f6a2c1a7b52256bc7
AgentTesla
e5bdca4be16a6b87ab30e8375a4de2cced94a30c65b9de56096b0d5805f35870
AgentTesla
error
AgentTesla
+ 3'923 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla discovery keylogger spyware stealer trojan
Link:
https://tria.ge/reports/250604-p24ersxqv4/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
AgentTesla
Agenttesla family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c43c45b2-bd39-4014-8d52-34d8f3b64ee4
Unpacked files
SH256 hash:
bfb8d72c8a3cd8c663e8e9f967df3f8475f7dd85b34fccbb1f4ed8b8237d3cda
MD5 hash:
a59dc05e84a6b9af430451c58b561a96
SHA1 hash:
f61a55cc0d2781c1e58a361af852b2bd37bc148f
Link:
https://www.unpac.me/results/0890077b-65e7-4b82-b017-8b93ddd37004/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bfb8d72c8a3c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bfb8d72c8a3cd8c663e8e9f967df3f8475f7dd85b34fccbb1f4ed8b8237d3cda

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: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)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/7256/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments