MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3e615622500ad4051830519118058c6a7d31411605a93c85a042512bffe9b3c. 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 4 File information Comments

SHA256 hash: f3e615622500ad4051830519118058c6a7d31411605a93c85a042512bffe9b3c
SHA3-384 hash: 7bf75d7c04a54bdf719cad010a3cfdc9320ee67f5cfb354e43a9c79e604ec354c5d98bf2a17c9202bb191515dd5819a3
SHA1 hash: 3ec8e19d0137dcde5d2a1b62d88b0f3bb76146b5
MD5 hash: 0a3e2d36972464d2ae22872864c1e8ad
humanhash: oxygen-september-bacon-mobile
File name:f3e615622500ad4051830519118058c6a7d31411605a93c85a042512bffe9b3c
Download: download sample
Signature Formbook
File size:628'224 bytes
First seen:2025-11-06 10:37:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:CX0OTMfwQNGsxv+7Tl7zpbL7hyUhIsNcPdb7ChY7WxFrkuKHI+FEC:Cgf5GsA7p7zN9ysIsgdXChYaf9l+iC
Threatray 2'137 similar samples on MalwareBazaar
TLSH T163D402AC2A06D512C94523790972F7B9163C1D9CE901D3238FDEAEAFFC7BE429D54284
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 :
59
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f3e615622500ad4051830519118058c6a7d31411605a93c85a042512bffe9b3c
Verdict:
No threats detected
Analysis date:
2025-11-06 13:45:44 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:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Gathering data
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-14T23:07:00Z UTC
Last seen:
2025-11-05T23:05:00Z UTC
Hits:
~1000
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.29 Win 32 Exe x86
Threat name:
Win32.Backdoor.FormBook
Status:
Malicious
First seen:
2025-10-15 03:41:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:punm discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
f3e615622500ad4051830519118058c6a7d31411605a93c85a042512bffe9b3c
MD5 hash:
0a3e2d36972464d2ae22872864c1e8ad
SHA1 hash:
3ec8e19d0137dcde5d2a1b62d88b0f3bb76146b5
SH256 hash:
b794ed0c0c7d4499d0a2ffff67eb5b92dba83f4be7964591e9edad2755176511
MD5 hash:
2a576318d07470206dd7c45f7d896078
SHA1 hash:
3096b2a5ccd98583949a9f57842d5547b50bbc29
SH256 hash:
6a8ff520a987cf594de31990dd341a905ad7ebf2ade6ddcd30ca59ccd9c2a708
MD5 hash:
52896be75c2100645e3ec5c3576331bf
SHA1 hash:
a871a499bdce42a7d01a954adc318be5ea29897b
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
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:NETexecutableMicrosoft
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