MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f5f73bfa4d49d8e00a4673dc2a331e906ce27e03a125e1d04702be7890b08ab. 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: 6f5f73bfa4d49d8e00a4673dc2a331e906ce27e03a125e1d04702be7890b08ab
SHA3-384 hash: 03db126fb1c344f4e2e57770d6f66855c3b2dba3b33757473dd202b53cda25f9005f8c8dca1b1f9cb369eb8f2a05d460
SHA1 hash: 02c7b6ed3580f662186aaaaecf1f37e9a5fbc96d
MD5 hash: c2a2087ff06d8e67d00a58a2c49f46c0
humanhash: november-five-indigo-network
File name:6f5f73bfa4d49d8e00a4673dc2a331e906ce27e03a125e1d04702be7890b08ab
Download: download sample
Signature Formbook
File size:669'184 bytes
First seen:2025-10-09 14:12:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:9chEAE/1rXwyhyi7t6NQ7xjZZ25vV3WSSkvofuvcWwhCgw3ILK24zarPyv:9+EAE/17wybt6Ngxj72tRWXfu5r4LK2e
Threatray 4'632 similar samples on MalwareBazaar
TLSH T1AAE4F15533A6E901E1B29FB00870E7B017B9BD9EBD35C20A4FE9ACEF78357506942352
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 :
67
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6f5f73bfa4d49d8e00a4673dc2a331e906ce27e03a125e1d04702be7890b08ab
Verdict:
No threats detected
Analysis date:
2025-10-09 15:30:32 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
95.7%
Tags:
virus krypt msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-18T04:53:00Z UTC
Last seen:
2025-10-10T09:25:00Z UTC
Hits:
~1000
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.44 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Trojan.VIPKeylogger
Status:
Malicious
First seen:
2025-09-18 07:53:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:hs11 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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
6f5f73bfa4d49d8e00a4673dc2a331e906ce27e03a125e1d04702be7890b08ab
MD5 hash:
c2a2087ff06d8e67d00a58a2c49f46c0
SHA1 hash:
02c7b6ed3580f662186aaaaecf1f37e9a5fbc96d
SH256 hash:
1041b538ccbc7d66e59247ef7551cde9b6c282843541585e9190a8e2e3943b12
MD5 hash:
e870d1e8f3791ccc141f85f40fd2972b
SHA1 hash:
150919ee289cffa6feb40ab8261f620dd7e26aac
SH256 hash:
c52be5bdfe66eada8b333b03ff6228a87185f1168df198c7b354bb550b86a853
MD5 hash:
6fe296bab2ce0cc6d53fdd580b2d7207
SHA1 hash:
854580129e911f46bb39235a53cc37509eaaf61c
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
ca35a0c4e88a8e07ce81e477eaa9cde78fb40066eaba089367a5970757092124
MD5 hash:
9453e15b57d3ae6522549b8276323c82
SHA1 hash:
378350ee9a8514704937d1cc32e2b3ee58bf9427
Detections:
win_formbook_auto win_formbook_w0 win_formbook_g0 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