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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc179912f78307a8798ebc1ce7fb38b1d2b4baf6bfddf15da8ecef4c0923694e. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments

SHA256 hash: bc179912f78307a8798ebc1ce7fb38b1d2b4baf6bfddf15da8ecef4c0923694e
SHA3-384 hash: 89eb6e55fe9e5370baddfdf02461383af93cb9e164ac71fc7ac0357620ba48f3ca0cccd5d679cb9ff03d06540bdbb8eb
SHA1 hash: b213cb4abb8e16c4f412d4f813693a8dfad16847
MD5 hash: 5c6a535c64562738470356602ed9c556
humanhash: xray-seven-two-vegan
File name:QUOTATION_2543_REQUEST_FORM.com
Download: download sample
Signature Formbook
File size:847'872 bytes
First seen:2026-10-07 09:16:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/vnd.microsoft.portable-executable
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'249 x AgentTesla, 20'531 x Formbook, 12'382 x SnakeKeylogger)
ssdeep 24576:DFPovN1ELngRYoJdOXog1cMRAAY9E8kl3Hm:5PGbELn+O1cMRAR96ZH
TLSH T1D805F1882359DD06C4A22FF00970E3B967B46E846612C34B8EFABDEBBC3574964543D7
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 threatcat_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
175
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
No threats detected
Analysis date:
2026-10-07 09:23:41 UTC
Tags:
netreactor

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a service
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-10-07T05:16:00Z UTC
Last seen:
2026-10-07T06:13:00Z UTC
Hits:
~100
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
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
Multi AV Scanner detection for submitted file
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.22 Win 32 Exe x86
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2026-10-07 08:19:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
12 of 36 (33.33%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
bc179912f78307a8798ebc1ce7fb38b1d2b4baf6bfddf15da8ecef4c0923694e
MD5 hash:
5c6a535c64562738470356602ed9c556
SHA1 hash:
b213cb4abb8e16c4f412d4f813693a8dfad16847
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:HUNT_NET_Loader_ImagePixel_To_AssemblyLoad
Author:Anish Bogati
Description:Hunting: .NET loader that reads pixel data from an embedded image, loads it as a .NET assembly, and runs it via reflection or late binding. Catches bitmap-steganography loaders.
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
Rule name:WIN_Malware_Derialock_ForgeAuto_3127f957_Extrait
Author:Marjoriefort
Description:Detects Derialock (pe, etat extrait)
Rule name:WIN_Sample_Unique_69354b41
Author:Marjoriefort
Description:Specimen unique (soumission Bazaar) - strings distinctifs propres au sample
Reference:69354b41e10daf03d3f3af881b32d5c0fec56b1cfe96629fd4c5263413a42854.exe

File information


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

Malspam

Formbook

Executable exe bc179912f78307a8798ebc1ce7fb38b1d2b4baf6bfddf15da8ecef4c0923694e

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments