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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55f9b6eb0ffdc5343bead53ac947df1da92d1757370367c2b8bcbdf5e6906926. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 55f9b6eb0ffdc5343bead53ac947df1da92d1757370367c2b8bcbdf5e6906926
SHA3-384 hash: 6b11ebf29562b7f6f7f2e2b4eec6bdc4c1eac42ff872fecf6bcb94580ed70ca178f9bb702ab94383a32aa576e6c426b5
SHA1 hash: 61ec6111d242dda108d0ca9ed9b988af95bdbd2e
MD5 hash: 0548d7558cfc3acf4aeb0d312d8e331d
humanhash: west-king-golf-lake
File name:55f9b6eb0ffdc5343bead53ac947df1da92d1757370367c2b8bcbdf5e6906926
Download: download sample
Signature Formbook
Create hunting rule
File size:1'025'024 bytes
First seen:2026-09-10 11:07:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'249 x AgentTesla, 20'542 x Formbook, 12'385 x SnakeKeylogger)
ssdeep 24576:QzjP/2oSdvZeXnHatmBrB4LQleIKcwEwm/TVqD/oo6:Qzb/2oSnQa4tB2Ie1jm/cl
TLSH T14F2502882696DE06D5E26FF14D70E3B467785E84A921C3039EE67CEFB43E6442D493C2
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 :
107
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/e3e74eb9-833c-4417-afd9-12eb40bd1692/
Malware family:
formbook
Create hunting rule
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-09-10 13:09:58 UTC
Tags:
netreactor formbook stealer xloader
Link:
https://app.any.run/tasks/6613cab4-5273-4938-b17c-3850a395a723

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/84915/
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6aca1ad7fc67565fd81398b4
Tags:
infosteal virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed vbnet
Link:
https://www.filescan.io/uploads/6aa28fa65937d994350142ee/reports/de7923c0-16d5-462b-8849-d1371dbd4d46/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/55f9b6eb0ffdc5343bead53ac947df1da92d1757370367c2b8bcbdf5e6906926
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-08-25T05:06:00Z UTC
Last seen:
2026-09-11T06:13:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/55f9b6eb0ffdc5343bead53ac947df1da92d1757370367c2b8bcbdf5e6906926/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f32e7a7a-fca4-4843-be1c-4bc7d467576e
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/55f9b6eb0ffdc5343bead53ac947df1da92d1757370367c2b8bcbdf5e6906926
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.39 Win 32 Exe x86
Link:
https://app.malva.re/file/0548d7558cfc3acf4aeb0d312d8e331d
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/55f9b6eb0ffdc5343bead53ac947df1da92d1757370367c2b8bcbdf5e6906926/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2026-09-06 05:39:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kx43n2yp7xctio7k2u5msr67dwus2f2xg4bwpqvyxs67lzuqneta._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ge11 discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/260910-m8v1vsvzgv/
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:
55f9b6eb0ffdc5343bead53ac947df1da92d1757370367c2b8bcbdf5e6906926
MD5 hash:
0548d7558cfc3acf4aeb0d312d8e331d
SHA1 hash:
61ec6111d242dda108d0ca9ed9b988af95bdbd2e
Link:
https://www.unpac.me/results/cebd8b9f-39a2-4cda-909d-08ba82c01d06/
SH256 hash:
fb3705b201805479cf67ee47e72677a934addca6b134bc2789bbe3a81b4f2330
MD5 hash:
b314a74d9ac8fe57983688fcf659b644
SHA1 hash:
0ddfbea275b15faf82c442653e1e24d8e4949d72
Link:
https://www.unpac.me/results/cebd8b9f-39a2-4cda-909d-08ba82c01d06/
SH256 hash:
515211d5b27207eb547ef793135e713acc0ea3d445f292858ccacbea6e005e09
MD5 hash:
fd628e13be7aeefa630fb8ada39d3a73
SHA1 hash:
893fb3e29cca4750b3d164a1aecf1d70f58b3636
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/cebd8b9f-39a2-4cda-909d-08ba82c01d06/
SH256 hash:
18fb94f4d9e70e553dfda121cc1b0ad2adc832924f0295e1fac4ae4660e12615
MD5 hash:
07038afc6fbd0c3195f2e84990df0c80
SHA1 hash:
35654a22428a1931884f38bea25fc76267ea27bf
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_w0
Create hunting rule
Formbook
Create hunting rule
Windows_Trojan_Formbook
Create hunting rule
Link:
https://www.unpac.me/results/cebd8b9f-39a2-4cda-909d-08ba82c01d06/
Parent samples :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 family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/55f9b6eb0ffd/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/84915/

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