MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fca4f9ad11c8fff944281863838c11781116f46af3275adbc9ea0bd93d0a0721. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fca4f9ad11c8fff944281863838c11781116f46af3275adbc9ea0bd93d0a0721
SHA3-384 hash: db80c368f8d43d459478cc6d80618fb7a6ebc921bd61e8727d9636d515caf22f084e97bbcb7a89a1964dd94b77724295
SHA1 hash: 8424296a56bcc162cc98d6abdc49533560ecf067
MD5 hash: 76e3d005de0b770e0879a7a535657752
humanhash: stairway-kilo-social-timing
File name:fca4f9ad11c8fff944281863838c11781116f46af3275adbc9ea0bd93d0a0721
Download: download sample
Signature Formbook
Create hunting rule
File size:1'133'056 bytes
First seen:2026-08-10 13:39:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'192 x AgentTesla, 20'341 x Formbook, 12'364 x SnakeKeylogger)
ssdeep 24576:cKZkYeJaRB4hxapVDASwHvsJjpbLaGZhx78STjmpGHy9HM7D6:vZggCv2VDASqwjpbLaGLBHfm2uH/
TLSH T12C35120423E9DD05C0B65BB02EB1D27053F82D99F962E35B9FE5BCEB78797110928392
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 :
77
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/89494442-7ce5-4a14-adc8-78837de44fcb/
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/79598/
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
agenttesla packed
Link:
https://www.filescan.io/uploads/6a79d51e7298fbc846d87c85/reports/6556cfd8-10bf-4aad-b34c-2bad2aa85d56/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/fca4f9ad11c8fff944281863838c11781116f46af3275adbc9ea0bd93d0a0721
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-03T06:23:00Z UTC
Last seen:
2026-08-12T03:22:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/fca4f9ad11c8fff944281863838c11781116f46af3275adbc9ea0bd93d0a0721/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f106eea4-aaf9-4924-b735-12d6fb5b1474
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fca4f9ad11c8fff944281863838c11781116f46af3275adbc9ea0bd93d0a0721
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fca4f9ad11c8fff944281863838c11781116f46af3275adbc9ea0bd93d0a0721/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2026-07-03 09:19:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/260810-qzbseage55/
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:
fca4f9ad11c8fff944281863838c11781116f46af3275adbc9ea0bd93d0a0721
MD5 hash:
76e3d005de0b770e0879a7a535657752
SHA1 hash:
8424296a56bcc162cc98d6abdc49533560ecf067
Link:
https://www.unpac.me/results/38295437-1f9b-4439-a8d9-e690a22148b8/
SH256 hash:
4c1490507aef18caa22ba986c5c245ab2266107a25456f7b67e20c8c88171ab3
MD5 hash:
509f045dfc8bda1887a147bbfa6ddba8
SHA1 hash:
071278c0cdc3e0cfa255f44e606dae9735e74054
Link:
https://www.unpac.me/results/38295437-1f9b-4439-a8d9-e690a22148b8/
SH256 hash:
da617dba03214c094e524a9a82acdb689bab81fca032c2ca81d7bd487654a1b1
MD5 hash:
f4921fb9381d28c2d8afed43f3e0d00b
SHA1 hash:
e1eeb9c3fd020687d8d5087f3f4b33034bfb9c78
Link:
https://www.unpac.me/results/38295437-1f9b-4439-a8d9-e690a22148b8/
SH256 hash:
f378892bd008c57147962c79f2bc52b1dc227cfa5b483642c6fe30424e50ceeb
MD5 hash:
7e772e95d530a86a6995b40c6dade77d
SHA1 hash:
a49d9181e7392801a062fe8c5aea27256731ad26
Link:
https://www.unpac.me/results/38295437-1f9b-4439-a8d9-e690a22148b8/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fca4f9ad11c8/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fca4f9ad11c8fff944281863838c11781116f46af3275adbc9ea0bd93d0a0721

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/79598/

Comments