MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6dd6de6cd2529e24f60ad293e49c7b4a0f7256741fb8864329c05feaa5f73e4. 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 7 File information Comments

SHA256 hash: b6dd6de6cd2529e24f60ad293e49c7b4a0f7256741fb8864329c05feaa5f73e4
SHA3-384 hash: 46bcd697dedba05d2ab6aa402468f0404fa65730669653f66d4bd99d41876abf9df3e5f1c341a79ab29893765d2132ec
SHA1 hash: a15c6ec2fd3c597cec5b1e1d6af6091541f326dd
MD5 hash: 518b7d6955791efcdd19cc10b7ca3fb1
humanhash: seventeen-pip-fifteen-earth
File name:file
Download: download sample
Signature Formbook
File size:359'853 bytes
First seen:2023-04-17 12:18:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:xYa6SIuHc3aISRY5qTXuqsxC43dksRryiwme09cCnkkLP5+2QI1EviV3:xY1uHoQRdXsxC431ryive09Nnkkbs/I7
Threatray 2'644 similar samples on MalwareBazaar
TLSH T15274E0C5FE4095B4DC1947721A3ACD322A537C3E64B42A2C2BCE3E7B3EBB4629416553
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon d4c4c4d8ccd4f0c4 (63 x Formbook, 23 x AgentTesla, 8 x RemcosRAT)
Reporter jstrosch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
243
Origin country :
US US
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-04-17 12:19:44 UTC
Tags:
opendir exploit cve-2017-11882 loader stealer formbook trojan

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

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Sending a custom TCP request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo nemesis overlay packed remcos shell32.dll
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
Antivirus detection for dropped file
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2023-04-17 12:19:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
12 of 37 (32.43%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
dd79e67a4de98d62e98ef3b642cf65ae0a86e143742b59c5ca245d7f8e4752f8
MD5 hash:
665e2fa925747ac8cada03ae42d6e082
SHA1 hash:
1afeac45d68256482c55f577471ba51a4015723e
SH256 hash:
b6dd6de6cd2529e24f60ad293e49c7b4a0f7256741fb8864329c05feaa5f73e4
MD5 hash:
518b7d6955791efcdd19cc10b7ca3fb1
SHA1 hash:
a15c6ec2fd3c597cec5b1e1d6af6091541f326dd
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:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Author:@malgamy12

File information


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

Web download

Formbook

Executable exe b6dd6de6cd2529e24f60ad293e49c7b4a0f7256741fb8864329c05feaa5f73e4

(this sample)

  
Delivery method
Distributed via web download

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