MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1cc11582118c8e46f487673a2d0bfc8ecd8c3703aae25195dff8120106b4277. 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 20 File information Comments

SHA256 hash: b1cc11582118c8e46f487673a2d0bfc8ecd8c3703aae25195dff8120106b4277
SHA3-384 hash: 469370b4190432d742f03f438a6305748e962b68fd279c44abb3d9a44f8546dba7668f440b15dfd85a8095d22bf7c490
SHA1 hash: c1f0f24c2d2bc1b19281148c43e6648a93146464
MD5 hash: 96b06e294460803b387c9586e660678e
humanhash: carolina-coffee-dakota-fourteen
File name:b1cc11582118c8e46f487673a2d0bfc8ecd8c3703aae25195dff8120106b4277
Download: download sample
Signature Formbook
File size:699'392 bytes
First seen:2025-12-08 15:58:25 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:GLURJFlv8c3C3lI3aORXYy/luf0QNa6EIbV7353Ej0euQBtDPEuuPJN0nVXtI29h:P3z3Ma3lcfP/hr1O0eJBtDcZP70tt3AY
TLSH T1ADE412A82BE8DB13D4B92BF11571F17253F55D8EA561CA1B4FEEACCBB0167140900BA3
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 :
69
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_b1cc11582118c8e46f487673a2d0bfc8ecd8c3703aae25195dff8120106b4277.exe
Verdict:
No threats detected
Analysis date:
2025-12-08 16:11:34 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.1%
Tags:
shell virus msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching the default Windows debugger (dwwin.exe)
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Labled as:
Trojan_MSIL_SnakeKeylogger_ZEJ_MTB
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-27T03:17:00Z UTC
Last seen:
2025-12-10T10:20:00Z UTC
Hits:
~100
Detections:
HEUR:Trojan.MSIL.Agent.gen PDM:Trojan.Win32.Generic Trojan.MSIL.Inject.sb HEUR:Trojan.MSIL.Convagent.gen Trojan-Spy.Noon.HTTP.ServerRequest Trojan-Spy.Win32.Noon.sb Trojan.Win32.PowerShell.mnx Trojan.MSIL.Taskun.sb Trojan.MSIL.Crypt.sb
Gathering data
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.43 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2025-11-27 10:04:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
3aa8ce5d4766e6fa27c0f3e031c1425b79322fc25ced61c68998ddd0fe84afe0
MD5 hash:
62963935f4f4a7a5d71e15077781146b
SHA1 hash:
374f566ec38e44ea82e0aef8c79417067b37f003
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Parent samples :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 hash:
13d261fe4a35935f5b355dffef95b8b242536a6c60bed33a4bf8c1e9987b9c3b
MD5 hash:
db24cfbfc2fb4dd4628510342b39df97
SHA1 hash:
7d8ee4e6efeb2bae6ab9e2e68696aa10ba80c085
SH256 hash:
e67dfb621da482bfab236c3941794401b9ba82e4892309f4a8ebedf604da759a
MD5 hash:
517f55de743d6d36ebf2d8f06f0a7c78
SHA1 hash:
d31435697b9a7ca57894b31107421dd4ddb7e58e
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
7d880902be9b6f690f3a951f854e261f905c6000b8ff86f50fa62f5c2b31f5db
MD5 hash:
65de8a8cc050f9536ae8837ee8404db5
SHA1 hash:
7ad502465b7c1dd5e5198d90f31c6fc186346680
SH256 hash:
b1cc11582118c8e46f487673a2d0bfc8ecd8c3703aae25195dff8120106b4277
MD5 hash:
96b06e294460803b387c9586e660678e
SHA1 hash:
c1f0f24c2d2bc1b19281148c43e6648a93146464
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:Formbook
Author:kevoreilly
Description:Formbook Payload
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:TH_Win_ETW_Bypass_2025_CYFARE
Author:CYFARE
Description:Windows ETW Bypass Detection Rule - 2025
Reference:https://cyfare.net/

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments