MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b85afc737af13453abde05dfdb3d72c17cac123f8bf92a6aeb5296eb698f52bc. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b85afc737af13453abde05dfdb3d72c17cac123f8bf92a6aeb5296eb698f52bc
SHA3-384 hash: 4a5780aa8293e24d22a3815a06b7a1814e9c721291059c9974dabb8613a10463ee192295d556b1a41881aab9698f6e25
SHA1 hash: dd09404e7786e752f07fea8c5409cc02692bed2a
MD5 hash: 88f7e82663075d8126690dbd3378e9c8
humanhash: maine-wyoming-south-social
File name:b85afc737af13453abde05dfdb3d72c17cac123f8bf92a6aeb5296eb698f52bc
Download: download sample
Signature Formbook
Create hunting rule
File size:1'082'880 bytes
First seen:2026-08-10 14:37:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'190 x AgentTesla, 20'337 x Formbook, 12'364 x SnakeKeylogger)
ssdeep 24576:Qyip8q/tFwjpJp0Ld6IauEBzFDpxF4AMMMiukMmlp50:bipX/tFsJSLIIaBRD791Melp
TLSH T11F35F1141316DA02E0E687F2E871C7B032B94DDEB9E2D3975FE97FE7742A2C11558282
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
dhash icon 3e73715d4d5d7d23 (62 x Formbook)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
51
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/c4bab42d-675c-4048-8014-2b92e39dacef/
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
entropy formbook obfuscated packed vbnet
Link:
https://www.filescan.io/uploads/6a79e2835ca504a8496e3008/reports/dd602053-cda0-48b9-9e24-fd5bf50e9b16/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b85afc737af13453abde05dfdb3d72c17cac123f8bf92a6aeb5296eb698f52bc
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-21T03:43:00Z UTC
Last seen:
2026-08-08T10:12:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/b85afc737af13453abde05dfdb3d72c17cac123f8bf92a6aeb5296eb698f52bc/results?tab=lookup
Gathering data
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b85afc737af13453abde05dfdb3d72c17cac123f8bf92a6aeb5296eb698f52bc
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b85afc737af13453abde05dfdb3d72c17cac123f8bf92a6aeb5296eb698f52bc/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2026-07-21 14:08:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Formbook
Create hunting rule
Link:
https://reports.threatray.com/2610dae2-d83c-4e6c-afaf-9f2d6bcaa634
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/260810-r7jzesgh45/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
b85afc737af13453abde05dfdb3d72c17cac123f8bf92a6aeb5296eb698f52bc
MD5 hash:
88f7e82663075d8126690dbd3378e9c8
SHA1 hash:
dd09404e7786e752f07fea8c5409cc02692bed2a
Link:
https://www.unpac.me/results/95500c97-8ec6-4a88-9629-1cf78a5d59cc/
SH256 hash:
96191a5c736ae47a8563b86b48864a64936d4dc85dc75db84505332da87fb13b
MD5 hash:
0c5a136268be805e35a0a9c8c08fbc68
SHA1 hash:
28eff61800a00afc90155dbc3fcdb084a0db8cad
Link:
https://www.unpac.me/results/95500c97-8ec6-4a88-9629-1cf78a5d59cc/
SH256 hash:
e4e98c56847f65b0ec79dd0fcd73f780be8e5b64a78def50b3d447c6a22aab6d
MD5 hash:
3e279146474e41a20e10d71196dea18c
SHA1 hash:
c3abd761f47fc10a6e546d214517de85e1cb64a0
Link:
https://www.unpac.me/results/95500c97-8ec6-4a88-9629-1cf78a5d59cc/
SH256 hash:
187bb41803a5c8995c6f087503800f1d2aa070244a338623def3435385d45671
MD5 hash:
8ce31c28d6d82c0036ca5027ae15cb70
SHA1 hash:
be8f74dada183488ab8a47839aabd175c32e95f9
Link:
https://www.unpac.me/results/95500c97-8ec6-4a88-9629-1cf78a5d59cc/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b85afc737af1/report/overview.html
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
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

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/79953/

Comments