MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cc9b8d09f28c0ca7cd23830e303656440bc15f64bd9dc8c496f5d4cae7a0f79d. 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: 18


Intelligence 18 IOCs YARA 8 File information Comments

SHA256 hash: cc9b8d09f28c0ca7cd23830e303656440bc15f64bd9dc8c496f5d4cae7a0f79d
SHA3-384 hash: 00f10a464789bd8b8e63591ce327e8d2375e757fa7bb5ec5945f42104fad4a92f093cdc407ff775e34c66e777aff1b0b
SHA1 hash: 5951bb6f2956bdb0c3fa35744e1d47c1e71446fa
MD5 hash: 2a7888173b8dcc7ee62336591067c297
humanhash: apart-lemon-texas-friend
File name:cc9b8d09f28c0ca7cd23830e303656440bc15f64bd9dc8c496f5d4cae7a0f79d
Download: download sample
Signature Formbook
File size:805'888 bytes
First seen:2025-09-05 13:17:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:zlaJriISA90kkfulFJjfMu5/c2IbTYQZONhvcPelK/zdi/4XnddhomsbzHmBl:ZISA9GaFZfMh29QoNRcX/Y/4tfSfmD
Threatray 1'062 similar samples on MalwareBazaar
TLSH T1CD0512542297CA13D4A697B54CE3E3B137B98D8E6420D31B4EE57EEB793FB0528402B1
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
61
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
cc9b8d09f28c0ca7cd23830e303656440bc15f64bd9dc8c496f5d4cae7a0f79d
Verdict:
Malicious activity
Analysis date:
2025-09-05 20:56:25 UTC
Tags:
netreactor formbook xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
virus spawn msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Creating a process with a hidden 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)
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-24T22:39:00Z UTC
Last seen:
2025-08-24T22:39:00Z UTC
Hits:
~1000
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.28 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2025-08-25 01:40:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
25 of 38 (65.79%)
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
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
cc9b8d09f28c0ca7cd23830e303656440bc15f64bd9dc8c496f5d4cae7a0f79d
MD5 hash:
2a7888173b8dcc7ee62336591067c297
SHA1 hash:
5951bb6f2956bdb0c3fa35744e1d47c1e71446fa
SH256 hash:
74a0e188e432790a87f90e712898baf02d9f7225aa029b9268908f32c99078ef
MD5 hash:
d29b624e6c72bfd8c8719c4d5039ddca
SHA1 hash:
2127437f696120349a4665995cedaa126538ba34
SH256 hash:
de68fd3c77d1472d408b11f1f8da572d3e9f5f2a7e0c15794664811d528e0e41
MD5 hash:
1823c12e2090aa2be260150cd3b85abc
SHA1 hash:
f3866f906c0c19a6847dd9dd2530569784c770df
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
cfdb32497616dcf3a5244d7f361f488411c2b28741d6e51ebf373c81c89869f1
MD5 hash:
ec27b49309c186ea83fef62f93a02fb7
SHA1 hash:
4087c82e6e0e8a821c389c7e5b7c615ee4bad6db
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_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

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