MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 534d820868823c23aac058857ce3d8574f4646e02932405aba96e33f21bb60ff. 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 4 File information Comments

SHA256 hash: 534d820868823c23aac058857ce3d8574f4646e02932405aba96e33f21bb60ff
SHA3-384 hash: 88dcde9bdaf293e6b2b9c1373d12364c471f9cde17740f43f8e9ad0432783bc4b2084ebc67265eeaf8019113fc09d0a1
SHA1 hash: d9c684588d4723bd2b5b6e142fb7a06dd9fdc682
MD5 hash: 520172b38f6ab67f4cbeef1824478f66
humanhash: idaho-oregon-pennsylvania-william
File name:SecuriteInfo.com.W32.AIDetectNet.01.27704.32718
Download: download sample
Signature Formbook
File size:791'552 bytes
First seen:2022-05-13 05:37:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'841 x AgentTesla, 19'772 x Formbook, 12'296 x SnakeKeylogger)
ssdeep 12288:Mo4kLZpMa/oYp8xg+EXSgKC23vTQA7gVcLBKZX67TfZENcj:f4kFpM3YpfXSJbrQAU0H2
Threatray 12'651 similar samples on MalwareBazaar
TLSH T134F48E596E83E510D2EE3EFC6FF8A8B383605F8A5761824EF44071F5FF322552580AA5
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon ccb2f0696969b2cc (2 x Formbook)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
267
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed update.exe
Result
Verdict:
UNKNOWN
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 method to dynamically call methods (often used by packers)
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-05-13 05:38:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
46
AV detection:
15 of 26 (57.69%)
Threat level:
  2/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:ges0 loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
c611a6ceb263401ed18ff93961bd6d0cdf8757e48d8e76b13943e85b9d3b5a0b
MD5 hash:
f9b293305bd04eee511c0ffd0e7f29d7
SHA1 hash:
fd981a9537a903422311f582defc1c8fd97248af
SH256 hash:
7d170109f352f251d7ac012882e005b059b0db5ecce7520acf7be2ba8f13792a
MD5 hash:
72403055ee098f50bcc8a238fdbef878
SHA1 hash:
eb5ed9b38f5a23bb00b221acf3f7233aa2e9299d
SH256 hash:
de946071f5ce37d7bd121d1d7123a795c6111bb37715139a956110b97b0ba98a
MD5 hash:
ee5770ede963b3444343d074820acf46
SHA1 hash:
8863ca4d0e2f49f93c5325135931a163d652ab73
SH256 hash:
534d820868823c23aac058857ce3d8574f4646e02932405aba96e33f21bb60ff
MD5 hash:
520172b38f6ab67f4cbeef1824478f66
SHA1 hash:
d9c684588d4723bd2b5b6e142fb7a06dd9fdc682
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments