MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3451dbcd157a9b7dcdb0ea7f9a9dabbe58692b8c9469489597f608c0c364e957. 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: 14


Intelligence 14 IOCs YARA 13 File information Comments

SHA256 hash: 3451dbcd157a9b7dcdb0ea7f9a9dabbe58692b8c9469489597f608c0c364e957
SHA3-384 hash: bb11329fde8fffa21c12147b278594c200454d4664dd673df830cd29efc0d4309dcbbf357ebbf6b2187e6334ff4e0e08
SHA1 hash: 35df184d58158828327eb2a941385462810fbb52
MD5 hash: 746b7bda190074f5c8bdc703dbbf285a
humanhash: wyoming-wyoming-queen-pizza
File name:SecuriteInfo.com.Win32.TrojanX-gen.12322.19722
Download: download sample
Signature Formbook
File size:287'232 bytes
First seen:2025-03-10 19:35:58 UTC
Last seen:2025-03-10 21:20:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 6144:twGl2PFA97Ke5IqfNods8RcwiqNCKX5ZlWpM1v5EhZ:twRPK9eeVaz4KX7+2xEh
TLSH T18B54229AC1CAE659C672C3F7D17A35FB80B71F5B0F76130257BA1562E4AB7048100BAB
TrID 35.7% (.EXE) Win32 Executable (generic) (4504/4/1)
16.3% (.ICL) Windows Icons Library (generic) (2059/9)
16.1% (.EXE) OS/2 Executable (generic) (2029/13)
15.8% (.EXE) Generic Win/DOS Executable (2002/3)
15.8% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
5
# of downloads :
474
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SecuriteInfo.com.Win32.TrojanX-gen.12322.19722
Verdict:
Malicious activity
Analysis date:
2025-03-11 04:54:25 UTC
Tags:
formbook xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
crypt microsoft_visual_cc overlay packed packed packer_detected
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj
Score:
68 / 100
Behaviour
Behavior Graph:
n/a
Threat name:
Win32.Backdoor.FormBook
Status:
Malicious
First seen:
2025-03-10 14:15:45 UTC
File Type:
PE (Exe)
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Unpacked files
SH256 hash:
3451dbcd157a9b7dcdb0ea7f9a9dabbe58692b8c9469489597f608c0c364e957
MD5 hash:
746b7bda190074f5c8bdc703dbbf285a
SHA1 hash:
35df184d58158828327eb2a941385462810fbb52
SH256 hash:
bc4717a89a3771b46960a0ce1beeec609a30712f7302ada03c7f572cab3412a7
MD5 hash:
89a563d505888085acc27a6a307bef1a
SHA1 hash:
bcdb73d1474ea3ab22c7f6b1069cf04e365808d1
Detections:
win_formbook_g0
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: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: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: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: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.

Web download

Formbook

Executable exe 3451dbcd157a9b7dcdb0ea7f9a9dabbe58692b8c9469489597f608c0c364e957

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments