MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a243fcc9ace6c3b1f04162072325231d32c2936a98453f08f5098cf90f332fd. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments

SHA256 hash: 3a243fcc9ace6c3b1f04162072325231d32c2936a98453f08f5098cf90f332fd
SHA3-384 hash: e78f1a8b63d050f098eace744322bee6f0a3bc2df4b9c12b745877339f6a5974b137c463c90d9990cf34599015376385
SHA1 hash: c01b29bdb270d964654cc88ec6d341a71bd93de5
MD5 hash: 82fc636f84f37a56fffcb513a821fd65
humanhash: video-autumn-jupiter-ceiling
File name:SecuriteInfo.com.Win32.PWSX-gen.26208.26587
Download: download sample
Signature Formbook
File size:778'752 bytes
First seen:2023-11-27 04:54:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:x5dEaCU9QWa7NxFSgyMeFSx6drKUvUSX8BrpgAb6MNxTPfN1d7BR6wT:x5dE6QWa7HFAMeUUd7Uq8l/jTPfjpB
TLSH T114F4F04033F99B96E07E2BFB68B4951047F639667932E30D4DD221DF1D22BC08A62B57
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f278acec0e061414 (8 x Formbook, 3 x SnakeKeylogger, 2 x AgentTesla)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
302
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
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:
90%
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:
92 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2023-11-27 02:51:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
c33b1fce0a2437ff4fff47600bc8a647dbd1bda1540084cece2ab06e2dfd5f95
MD5 hash:
4b6810c2e340e4984010f709de2dcc6f
SHA1 hash:
31aa28b0c9fb0dbddb8805c5d4c6b01bd943070b
SH256 hash:
148ea9b6e2892095df8d817fe46042d97096dc867967ef65fc8ff378af04ab53
MD5 hash:
f76f8c86699bfd21218a714c5837a5dd
SHA1 hash:
37e817fe1134c0416ecc604acfb0a6641d89178f
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
2a0290a662e89a81ed2d9c73e54a0aeba209fc36617f134cf0aaa74690db47db
MD5 hash:
4820945deb84d6bd26460e8a6ba0c622
SHA1 hash:
c519540ad21594fa45fcc2e6e15cfbea8b3449b9
SH256 hash:
c542c000cb7c69a857af5c3fffd7eb5c0c478c55796bf5e332384aab7d4aca87
MD5 hash:
4745819a5c5cc638cd88042df51b66cd
SHA1 hash:
46cb64b141ceca246290074079770e6e852f3f4b
SH256 hash:
3a243fcc9ace6c3b1f04162072325231d32c2936a98453f08f5098cf90f332fd
MD5 hash:
82fc636f84f37a56fffcb513a821fd65
SHA1 hash:
c01b29bdb270d964654cc88ec6d341a71bd93de5
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:NETexecutableMicrosoft
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.

Comments