MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 22f10bf1295ad52d5b60b249cbb144fe1dade77c578e50a63991dac312a7b21e. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments

SHA256 hash: 22f10bf1295ad52d5b60b249cbb144fe1dade77c578e50a63991dac312a7b21e
SHA3-384 hash: 723e540bb9e7aaf2404d88d9297fc4703ba78845d02b7e93515333d07d5fe19e13edc15273c412bd759c17f6ea9f1dfb
SHA1 hash: 21f5a7d38301e34653188a56d987c8e0c3f0bd18
MD5 hash: 66b34d3b27245d1615d463d5ef056cde
humanhash: ohio-ack-alpha-oscar
File name:22f10bf1295ad52d5b60b249cbb144fe1dade77c578e50a63991dac312a7b21e
Download: download sample
Signature Formbook
File size:649'728 bytes
First seen:2025-12-08 15:18:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:bB/V0qRec0Y5SaIiAWNPZbrmriDbkgpl8gE5Uv1hEaNGGVVtXsOpvt/sn:bB/Vp9pIizZZb6rUHp1EqhXw4XFsn
TLSH T19DD4014422AADF03E0A34FB41A60D1745BB9ADDD9831E30B9FE62DCFB829B4545943D3
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.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 :
66
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
FormBook RoboSki
Details
FormBook
a c2 url, decrypted string listing, a useragent, a version number, and possibly decoy domains
RoboSki
a Base64 + XOR/Sub-decrypted component, its associated key, a mutex, a filename, and ReZer0 configuration parameters including: a load type, a download URL and filename (if configured), an interval (if configured), and varying flags
RoboSki
an extracted ReZer0 payload
Malware family:
n/a
ID:
1
File name:
22f10bf1295ad52d5b60b249cbb144fe1dade77c578e50a63991dac312a7b21e
Verdict:
No threats detected
Analysis date:
2025-12-08 22:13:18 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
remcos virus msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-19T04:55:00Z UTC
Last seen:
2025-12-10T05:28:00Z UTC
Hits:
~1000
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.20 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2025-11-19 08:47:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
26 of 36 (72.22%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:gb52 discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
22f10bf1295ad52d5b60b249cbb144fe1dade77c578e50a63991dac312a7b21e
MD5 hash:
66b34d3b27245d1615d463d5ef056cde
SHA1 hash:
21f5a7d38301e34653188a56d987c8e0c3f0bd18
SH256 hash:
111e88b06ab4bda9dcea292177f2fbf656f056ee3bc315aea8861653872867a4
MD5 hash:
ca046727926a963297a6f802f7f59312
SHA1 hash:
49c2d05a1f1ea2530c2b54c1450b70ab1595175c
SH256 hash:
e79ea97618ca3db3575aa592f8fc2ae5e42a864379f72997976e5d52e925b777
MD5 hash:
11319980ab5ccb7544af45bd54a3430f
SHA1 hash:
cce089c8dd5f3b60c62b5e07f2cc0677ca080f4a
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
ebf3173661c3805fe0aa1c6abf21f3519c8d3e4e017ebff1c8b65025651e8bfb
MD5 hash:
27599777fa32123bafaf48b3e2511d0e
SHA1 hash:
ead8a61dc554fbc5b5b094d7e5a35aa4ce9c1f6f
Detections:
win_formbook_w0 win_formbook_g0 win_formbook_auto FormBook Windows_Trojan_Formbook Formbook
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: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