MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ab34111f357482c7c1a01baf14706b2c596945d8657de988344caa1cd66c86d. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments

SHA256 hash: 8ab34111f357482c7c1a01baf14706b2c596945d8657de988344caa1cd66c86d
SHA3-384 hash: 54d87e14664469491a9d6f59ea7bbcb3ba1733ca9e0c87b28bdc06a8580f60f0606703a131e83480a4f2d081c4198701
SHA1 hash: eae18bf4d2704f002774efef3f2ce5e3a050e733
MD5 hash: a2f58c74e2c0c4af4ddc76a175315eb3
humanhash: oven-three-august-ohio
File name:SecuriteInfo.com.Win32.TrojanX-gen.29642.21339
Download: download sample
Signature Formbook
File size:709'632 bytes
First seen:2023-11-28 16:19:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:se9CQmbCpCng7lzQVNx84V2tlbbdLqsvj2bR+dKXB20/EZqml:X7lsVNol3dXj5dO2Fhl
TLSH T135E4DF2836BD2F23E07947F94472126007FA79AF003DE6D82DD2B1CB25B4F545A89E5B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
331
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-11-28 12:54:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
23 of 37 (62.16%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ui23 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
797e57bd74a68f7b4808a213f5c319ee4f4b023bc73088175d4393dfee9fe329
MD5 hash:
3c927935fbd608e7628cc2c5ad7d52fd
SHA1 hash:
ee0c880c0614ac960fd641f7d479233584aed1d8
SH256 hash:
f5a8f5ded618fd3989fa98a3c2d87c4853d6e10ecb1313cd5ddd7df375336b31
MD5 hash:
243f9990bb7d68a3f6e4d3999800da5b
SHA1 hash:
ba555175d12f19f6288a3574738bcd6c8b747e3b
SH256 hash:
2bc7bf385c5dcf56effe7eaf32b9b1502619a0622318396837df0d312845d2e1
MD5 hash:
8a22eee41cd996366ba912a79802afa6
SHA1 hash:
84bc0b41c36ccfb8839137e797fe9b245a3b7025
SH256 hash:
8ab34111f357482c7c1a01baf14706b2c596945d8657de988344caa1cd66c86d
MD5 hash:
a2f58c74e2c0c4af4ddc76a175315eb3
SHA1 hash:
eae18bf4d2704f002774efef3f2ce5e3a050e733
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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.

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