MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 241d00dc87b5c01600a761460116e618505ecb4263f586ef5447b8c1d4329ebd. 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: 17


Intelligence 17 IOCs YARA 10 File information Comments

SHA256 hash: 241d00dc87b5c01600a761460116e618505ecb4263f586ef5447b8c1d4329ebd
SHA3-384 hash: 9fd33094b948fbab3812723ea6926e370cd789783f257e9ebf1aac2b185a8083e447b8c33e7d0b4a0ccbe92463d8e373
SHA1 hash: 2f0b446b3f6737fb3b0a051042771e53aa2b68ee
MD5 hash: bdaabd600bb9371423842eb703c8a918
humanhash: alabama-jersey-leopard-pip
File name:SecuriteInfo.com.Trojan.GenericKD.77041406.17733.16126
Download: download sample
Signature Formbook
File size:754'176 bytes
First seen:2025-08-07 06:17:31 UTC
Last seen:2025-08-07 07:15:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:r2N8J+g9DcAe4LnAKLHKpJKhy5F3iYoI8cdXHukleVAUZfuik2Fs4NG0fbwDv:r2N3gLnA9DF39bXBixk2aYGN
Threatray 4'124 similar samples on MalwareBazaar
TLSH T131F42228B1F6CB32D5A4DFB67972C17823360C56D522E3068DDE9ECB34687708859F62
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 :
2
# of downloads :
72
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SecuriteInfo.com.Trojan.GenericKD.77041406.17733.16126
Verdict:
Malicious activity
Analysis date:
2025-08-07 06:18:59 UTC
Tags:
formbook xloader

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

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Sending a custom TCP request
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bitmap lolbin msbuild obfuscated packed packed reconnaissance regsvcs rezer0 roboski schtasks stego vbc zero
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.
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable PDB Path PE (Portable Executable) SOS: 0.35 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Trojan.DarkCloud
Status:
Malicious
First seen:
2025-08-06 22:08:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
241d00dc87b5c01600a761460116e618505ecb4263f586ef5447b8c1d4329ebd
MD5 hash:
bdaabd600bb9371423842eb703c8a918
SHA1 hash:
2f0b446b3f6737fb3b0a051042771e53aa2b68ee
SH256 hash:
6e5ae0f729a327bceefc2a7ada433ecb62251d3ffb41ea483dc7391e643dfd0f
MD5 hash:
9793092e9b13d76e3efe1fa1503759ef
SHA1 hash:
178c8b83c18aae0b3e1845c65b06d3dad71c310b
SH256 hash:
fc4b67409ffa1051ecb459d32e0bfdbcaf7c62e498430d0d56c23a3e3c27bff0
MD5 hash:
7211f34e2a294d0171119f9787ca7d18
SHA1 hash:
90f402d0b28a6a218ae75f262bca85ccec6bc400
SH256 hash:
1d254567cabb6b4059483bd912d10fd98294f44290e0a8a0b31fdc9d5c17a58d
MD5 hash:
68da6782e2cc079a51ef19e02d945254
SHA1 hash:
fc4ae2397ad3d7aad95dcffb5e1bdff1adcdd111
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
68c7f7fe5a4f84fb3b4c1c5249dd51f47003389ab4b8ec01a46c42058858cbdc
MD5 hash:
a705ebd576e3acc942df3fe13bf9171e
SHA1 hash:
c02538489c4107ca74a0ef16529f6edde1986ceb
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:Formbook
Author:kevoreilly
Description:Formbook Payload
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: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: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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