MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd35cc5ea80b1095440dc72d654918d474907fae82987851f5eb0915fa21184d. 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: 20


Intelligence 20 IOCs YARA 3 File information Comments

SHA256 hash: cd35cc5ea80b1095440dc72d654918d474907fae82987851f5eb0915fa21184d
SHA3-384 hash: 94418d9245ec0da8d42ca05bcc3c4c551973b43b0ae4870c8f3be534086347ec24cb83d39998b64f70dded159c279b95
SHA1 hash: 08f8addb9265af00009465df59365f67c8d8658d
MD5 hash: 03de069564834a8a4251d030ab4da819
humanhash: four-fifteen-apart-mirror
File name:SecuriteInfo.com.Variant.Application.FCA.2785.4470.29564
Download: download sample
Signature Formbook
File size:675'840 bytes
First seen:2025-12-03 08:28:45 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 12288:0kgkq/KTn2as2HzApwt5Ei4nh8C9PNOLggRX5LQ1zw2y8m0+g:0kBn2Ru06LuhLPNbgRX5k1m0
Threatray 2'212 similar samples on MalwareBazaar
TLSH T167E4129C2645C913CD4923B50E72F6B427BC1D9EE901D296AFC93EEB7972F140E08293
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 SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
108
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SecuriteInfo.com.Variant.Application.FCA.2785.4470.29564
Verdict:
Malicious activity
Analysis date:
2025-12-03 08:38:11 UTC
Tags:
auto-sch-xml formbook stealer xloader

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

Behaviour
Creating a window
Сreating synchronization primitives
Sending a custom TCP request
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
Launching cmd.exe command interpreter
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-03T04:31:00Z UTC
Last seen:
2025-12-05T05:01:00Z UTC
Hits:
~100
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:
Win32.Backdoor.FormBook
Status:
Malicious
First seen:
2025-12-03 11:06:29 UTC
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:punm discovery execution persistence rat spyware stealer trojan
Behaviour
Enumerates system info in registry
Gathers network information
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
cd35cc5ea80b1095440dc72d654918d474907fae82987851f5eb0915fa21184d
MD5 hash:
03de069564834a8a4251d030ab4da819
SHA1 hash:
08f8addb9265af00009465df59365f67c8d8658d
SH256 hash:
d2fd5814e5230c95930c0b99ac7d31a152c1006fd8a2369fd9481961548f0f65
MD5 hash:
25b5c7c73361c884ff273e7c5da9dced
SHA1 hash:
7a734fbc061d57061a8515dae0e9444f39beda47
Detections:
win_formbook_w0 win_formbook_g0 win_formbook_auto FormBook Windows_Trojan_Formbook Formbook
SH256 hash:
f2911fcc680af274ae7ccdff9d89ecae86d9ac21fd7093d9d3822c57727e5e6c
MD5 hash:
8e9a3049559bb515f76284b0566e3d07
SHA1 hash:
92f73cf15e86311a205d1973b2d40a9211374b03
SH256 hash:
9b31c8466f56dd387c9daf36ea624fb7b9580e6af97b269b06b5cdc425e909c4
MD5 hash:
5863c38e9fcedf8bd22c61829c537757
SHA1 hash:
b1a16f069bf2ab46b2417a2c2b7b21e49812cdf4
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: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