MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9442fbb4a8b6fff536bf913966cf56849bd7808397a8426ce01fbe1c0577a2ef. 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 10 File information Comments

SHA256 hash: 9442fbb4a8b6fff536bf913966cf56849bd7808397a8426ce01fbe1c0577a2ef
SHA3-384 hash: 2c20eb0b292e28a0094efa7248d34bd309424ac61b0da05a078b913ed4f9064803f04ab2b3204ae890569a0e18ebe36c
SHA1 hash: 8565a20de215bc151424f38fe0631d509dd0f696
MD5 hash: 34d2a61191e947db22c0762e0ad502e2
humanhash: mississippi-harry-hot-illinois
File name:PO_8776363636.exe
Download: download sample
Signature Formbook
File size:272'896 bytes
First seen:2023-07-25 13:25:33 UTC
Last seen:2023-07-25 13:29:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:EPr1wvPXluX50zFlPWpk91F8b5xgcAb+DpjDTTu:Ej1wv/8eFBWpIL8b5xxAadTTu
TLSH T1F944F1EC3A1172DFC92BC476DDA42CA4EAA0B077431F4563E42765AD9E4E887CF051B2
TrID 28.5% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
13.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.2% (.EXE) Win32 Executable (generic) (4505/5/1)
5.6% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
270
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO_8776363636.exe
Verdict:
No threats detected
Analysis date:
2023-07-25 13:30:59 UTC
Tags:
n/a

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
Sending a custom TCP request
Forced shutdown of a system process
Unauthorized injection to a system process
Gathering data
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
Allocates memory in foreign processes
Initial sample is a PE file and has a suspicious name
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
PE file contains section with special chars
PE file has nameless sections
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-07-25 13:25:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
abc939cf0b02960588e86c0c58e0195f9fc09dea2035acf4dba244f50a2ded67
MD5 hash:
abc6225797e7d2dbedfc47d846cf6030
SHA1 hash:
4e184f622b5423de805fdb52f24432b2781794d6
Detections:
XLoader win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
20fe392538a559bb39bdef18a3018d55d6518c869e95705dce75f94ba4e5bbfd
MD5 hash:
89f8c39a333e78086440ae890a4617f8
SHA1 hash:
1589552011f4efa03ad5bec49e68b6925602b2fb
SH256 hash:
5c0937eac910784b16bc87e7e046e7b2273ff0eac28656cd632ddbd962b433d7
MD5 hash:
f09bb50ed355b25fb00647e2d04404cc
SHA1 hash:
185838c0b390cf7be608f5cc9df97e87a8880d8d
SH256 hash:
9442fbb4a8b6fff536bf913966cf56849bd7808397a8426ce01fbe1c0577a2ef
MD5 hash:
34d2a61191e947db22c0762e0ad502e2
SHA1 hash:
8565a20de215bc151424f38fe0631d509dd0f696
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:INDICATOR_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:pe_imphash
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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.

Malspam

Formbook

Executable exe 9442fbb4a8b6fff536bf913966cf56849bd7808397a8426ce01fbe1c0577a2ef

(this sample)

Comments