MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 513cf61eddc993c8c449d3fcb12ffe7eef7a3a20f600b60bc8f5fb02830f7714. 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 6 File information Comments

SHA256 hash: 513cf61eddc993c8c449d3fcb12ffe7eef7a3a20f600b60bc8f5fb02830f7714
SHA3-384 hash: f4ea0a463489919522bfbfb52808f04698f10cb5664b5a2eb124327a0b627c250deae8254fafa94d66628b5bf476219b
SHA1 hash: 9c996b3cc2f8ebc6df04cbc4adc439a1fe2239bc
MD5 hash: c9c32b3acb9f8d8ca14621f8fe9a17ee
humanhash: skylark-romeo-shade-comet
File name:SecuriteInfo.com.Win32.CrypterX-gen.14333.28999
Download: download sample
Signature Formbook
File size:818'688 bytes
First seen:2025-03-24 03:24:07 UTC
Last seen:2025-03-24 15:56:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:vIj2n6nuer42CGwV6ctgmjfDlcwLcn4uUHt:Ajbn42k6mjfDlcwLcGH
Threatray 256 similar samples on MalwareBazaar
TLSH T10305F1586789C417C9E227785531F67813BF6D99A832E30A4FDC7DEFBB27A104A04392
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
dhash icon 70cca2b2b2a2cc70 (7 x Formbook, 7 x SnakeKeylogger, 5 x MassLogger)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
391
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SecuriteInfo.com.Win32.CrypterX-gen.14333.28999
Verdict:
Malicious activity
Analysis date:
2025-03-24 03:29:05 UTC
Tags:
formbook xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
70%
Tags:
malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected
Result
Verdict:
SUSPICIOUS
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.evad
Score:
76 / 100
Signature
.NET source code contains potential unpacker
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.FormBook
Status:
Malicious
First seen:
2025-03-24 02:57:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
513cf61eddc993c8c449d3fcb12ffe7eef7a3a20f600b60bc8f5fb02830f7714
MD5 hash:
c9c32b3acb9f8d8ca14621f8fe9a17ee
SHA1 hash:
9c996b3cc2f8ebc6df04cbc4adc439a1fe2239bc
SH256 hash:
917d3ffd9d92862efb64bee0f3c45bc7eaba94730212840f48a0ad5273c6add2
MD5 hash:
2969bf86a9e05c8251d42a1bfc76b50b
SHA1 hash:
3bc673d94fa83d6d49b633e5736e6427c8b47860
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
72bfd47266006b378f1b63658456e1fa450b4c8fa93a1e0c484f51261573257a
MD5 hash:
4966311889e08f67f7fa6bae9272372e
SHA1 hash:
6fbbd39bcdcf4891b07bab95d14e20f00ce710ce
SH256 hash:
05f9ce752a29c05fc70056515513815fb518bd01246a735c7cc1bc0f40c9b089
MD5 hash:
960cd878150977a125941f6caa794ca0
SHA1 hash:
85508296a194593bea688321e9c203a7a561088e
SH256 hash:
591ce137cb082369624901f917173d82544ad345b35e1f0cef70c9dced5d3caa
MD5 hash:
0d394f465a8bf20d71c6274bef20b12e
SHA1 hash:
11ec552ee305847aeb56c2c43af84ea7ed05b47d
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: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.

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 (GUARD_CF)high

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