MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8dc1eb09176de75ffcc67bb41e032b98a9afd401449e170fc548775d4fa3f855. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments

SHA256 hash: 8dc1eb09176de75ffcc67bb41e032b98a9afd401449e170fc548775d4fa3f855
SHA3-384 hash: 81466584985094595e23ec76b69ac43c76ced3e5372fe82daa0ecfebc5d81222fc452143f6d284d500a0abc022ecba15
SHA1 hash: a929b5a986efc0a42f894c8914872067f3bdcc5d
MD5 hash: dda4fc259a21fb118a990b54709e350c
humanhash: juliet-hawaii-bakerloo-undress
File name:8dc1eb09176de75ffcc67bb41e032b98a9afd401449e170fc548775d4fa3f855
Download: download sample
Signature Formbook
File size:1'045'504 bytes
First seen:2026-06-08 10:04:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'066 x AgentTesla, 20'011 x Formbook, 12'352 x SnakeKeylogger)
ssdeep 24576:fhwZtIUxyGuf1qtHVXQxm8pIMUOj2/870PMckDEwej:JwYB4+nUOO9PDh
Threatray 2'954 similar samples on MalwareBazaar
TLSH T171251219621EDA0BD4964FF84961D1B557F89ED8E822D3038FE63FDFB43A7200965283
TrID 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win64 Executable (generic) (6522/11/2)
4.5% (.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 :
126
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_8dc1eb09176de75ffcc67bb41e032b98a9afd401449e170fc548775d4fa3f855.exe
Verdict:
No threats detected
Analysis date:
2026-06-08 10:43:48 UTC
Tags:
netreactor

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
infosteal micro shell virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Creating a file
Forced shutdown of a system process
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-05-21T05:40:00Z UTC
Last seen:
2026-06-08T02:42:00Z UTC
Hits:
~1000
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Xworm
Status:
Malicious
First seen:
2026-05-21 09:45:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
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
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
8dc1eb09176de75ffcc67bb41e032b98a9afd401449e170fc548775d4fa3f855
MD5 hash:
dda4fc259a21fb118a990b54709e350c
SHA1 hash:
a929b5a986efc0a42f894c8914872067f3bdcc5d
SH256 hash:
0dc770674be87faa746d748d42076e33a27ef3607565d50570d7fa83218f7c1f
MD5 hash:
0395a8acd7b8df4438298467035afb37
SHA1 hash:
4dddd9ade02bff04672bd507ef21aa4d39bd9e0b
SH256 hash:
30b8da6a6c14adb7188e67f556e4e4abdc4e0a47db4008b7a2930c21dbdf59c2
MD5 hash:
c25420b73d0fe1dd63cf91b94c810225
SHA1 hash:
8d54643580d5d5952e74ec53ebf93b91e398e9de
SH256 hash:
103503c410a633cdcd35aab9d78b76afe6700af06d2fa27939ebeffa38b45cb2
MD5 hash:
2889d8b922923d0c6126d46f62ba66f6
SHA1 hash:
c53c8e4146d018c2f7215ddaf8149cd041a96ca8
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