MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9138a9e5d7f8bb7da20a6c474dc2b16649b98eb95f90e003c57af718006116b2. 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



Formbook


Vendor detections: 17


Intelligence 17 IOCs YARA 4 File information Comments

SHA256 hash: 9138a9e5d7f8bb7da20a6c474dc2b16649b98eb95f90e003c57af718006116b2
SHA3-384 hash: ab26917a43b13b546308231e654a1ed4e6165ed75f7c13c3990a8b16716f7ea2da98467a9f0c1aac905eb4ac06bbe502
SHA1 hash: 112807ef92c97a359b4413ca17fd785fdb82c359
MD5 hash: b5c8c557816c04d18d298d62d713e727
humanhash: aspen-tennessee-venus-muppet
File name:9138a9e5d7f8bb7da20a6c474dc2b16649b98eb95f90e003c57af718006116b2
Download: download sample
Signature Formbook
File size:830'464 bytes
First seen:2025-10-09 14:22:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:SrYfUyAiIo6I1bqYX8TgMqotEXPwf7CIocw8R9w1ZRQtbVMkzAX:oT1rkbqYMMUf7CBC6+RVMk
TLSH T16105E1603357E605D8660B700830D3F517B97EADBA14C70E6EE92E8FFD266135B216B2
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 adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
64
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO-8774566.rar
Verdict:
Suspicious activity
Analysis date:
2025-09-19 08:35:36 UTC
Tags:
arch-exec

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
virus shell micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching the default Windows debugger (dwwin.exe)
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
crypt formbook obfuscated packed packed packer_detected vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-19T02:42:00Z UTC
Last seen:
2025-09-29T06:35:00Z UTC
Hits:
~100
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1780583 Sample: PO-8774566.exe Startdate: 19/09/2025 Architecture: WINDOWS Score: 100 39 www.sohbetson.xyz 2->39 41 www.powerloom.xyz 2->41 43 18 other IPs or domains 2->43 51 Suricata IDS alerts for network traffic 2->51 53 Antivirus detection for URL or domain 2->53 55 Multi AV Scanner detection for submitted file 2->55 59 4 other signatures 2->59 11 PO-8774566.exe 3 2->11         started        signatures3 57 Performs DNS queries to domains with low reputation 41->57 process4 signatures5 61 Adds a directory exclusion to Windows Defender 11->61 63 Injects a PE file into a foreign processes 11->63 14 PO-8774566.exe 11->14         started        17 powershell.exe 23 11->17         started        process6 signatures7 73 Maps a DLL or memory area into another process 14->73 19 n7yt0M0N6SF9q.exe 14->19 injected 75 Loading BitLocker PowerShell Module 17->75 21 WmiPrvSE.exe 17->21         started        23 conhost.exe 17->23         started        25 conhost.exe 17->25         started        process8 process9 27 PATHPING.EXE 13 19->27         started        signatures10 65 Tries to steal Mail credentials (via file / registry access) 27->65 67 Tries to harvest and steal browser information (history, passwords, etc) 27->67 69 Modifies the context of a thread in another process (thread injection) 27->69 71 3 other signatures 27->71 30 vHpAquv4Ma.exe 27->30 injected 33 chrome.exe 27->33         started        35 firefox.exe 27->35         started        process11 dnsIp12 45 www.mjyug.mobi 5.254.132.100, 49694, 49695, 49696 PORTLANEwwwportlanecomSE Sweden 30->45 47 www.fusiongoodsstore.info 74.208.236.252, 49702, 49703, 49704 ONEANDONE-ASBrauerstrasse48DE United States 30->47 49 10 other IPs or domains 30->49 37 WerFault.exe 4 33->37         started        process13
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.38 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2025-09-19 05:52:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
unc_loader_078 unc_loader_037
Similar samples:
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
9138a9e5d7f8bb7da20a6c474dc2b16649b98eb95f90e003c57af718006116b2
MD5 hash:
b5c8c557816c04d18d298d62d713e727
SHA1 hash:
112807ef92c97a359b4413ca17fd785fdb82c359
SH256 hash:
f29e3efcfd730da9eeebe2a0987d6c9e4dcd84da1c4397ef79698852dfffc840
MD5 hash:
b2e5d04b79deee6e3ebfea8b5860fe43
SHA1 hash:
c277429a60c10c48e973717e17d330628eb5b6c0
SH256 hash:
701caa24db7e698348813358ce08d1f8d3f8eb4a683c3cebb796ca06b2a272c3
MD5 hash:
9cedb6dc8cab86e65ed4756e676ddef9
SHA1 hash:
988453af333bb462010dbbf5d1507d204f6aaaa3
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments