MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 252477ddf7161822a10afaca4c4322246669041ebef55db41b148694f0cce6ed. 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 8 File information Comments

SHA256 hash: 252477ddf7161822a10afaca4c4322246669041ebef55db41b148694f0cce6ed
SHA3-384 hash: 34857877fcaf80ccebb75ea4ac0ddc71dfe6795f296273c4471cfc7249584ba3952ca7dec83cc6e45e5adca74fc41d53
SHA1 hash: 7a894258e685163e062222b785cf39ac00cc7c48
MD5 hash: fdcce1cddad53c6caa7c70d5fea375da
humanhash: kentucky-montana-quiet-colorado
File name:252477ddf7161822a10afaca4c4322246669041ebef55db41b148694f0cce6ed
Download: download sample
Signature Formbook
File size:1'085'173 bytes
First seen:2023-07-06 09:57:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (389 x DCRat, 52 x RedLineStealer, 51 x Formbook)
ssdeep 24576:YTbBv5rUTX+yFHzuazKfBnX7SWXMdAfRd/L:aB4+6TVmRXPMUlL
Threatray 3'197 similar samples on MalwareBazaar
TLSH T1123512017AD194B2D0B229769A792721B93DFE202FB9CEDF73D0452DDA229C0D631772
TrID 89.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.5% (.EXE) Win64 Executable (generic) (10523/12/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f08f898c8e8a8fb0 (37 x SnakeKeylogger, 19 x AgentTesla, 17 x AveMariaRAT)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
261
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
252477ddf7161822a10afaca4c4322246669041ebef55db41b148694f0cce6ed
Verdict:
Suspicious activity
Analysis date:
2023-07-06 09:54:54 UTC
Tags:
autoit

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

Behaviour
Sending a UDP request
Creating a file
Launching the default Windows debugger (dwwin.exe)
DNS request
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Enabling the 'hidden' option for files in the %temp% directory
Launching a process
Running batch commands
Creating a process with a hidden window
Creating a process from a recently created file
Forced shutdown of a system process
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm autoit cmd control greyware keylogger lolbin nanocore overlay packed replace setupapi shdocvw shell32
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
Allocates memory in foreign processes
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Starts an encoded Visual Basic Script (VBE)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ipconfig to lookup or modify the Windows network settings
Writes to foreign memory regions
Yara detected AntiVM autoit script
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1267988 Sample: LALkcZRpbz.exe Startdate: 06/07/2023 Architecture: WINDOWS Score: 100 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected FormBook 2->47 49 2 other signatures 2->49 9 LALkcZRpbz.exe 13 2->9         started        process3 file4 39 C:\Users\user\AppData\Local\...\nulrvepua.exe, PE32 9->39 dropped 59 Starts an encoded Visual Basic Script (VBE) 9->59 13 wscript.exe 1 9->13         started        signatures5 process6 process7 15 cmd.exe 1 13->15         started        17 cmd.exe 1 13->17         started        20 cmd.exe 1 13->20         started        signatures8 22 nulrvepua.exe 2 15->22         started        25 conhost.exe 15->25         started        41 Uses ipconfig to lookup or modify the Windows network settings 17->41 27 conhost.exe 17->27         started        29 ipconfig.exe 1 17->29         started        31 conhost.exe 20->31         started        33 ipconfig.exe 1 20->33         started        process9 signatures10 51 Multi AV Scanner detection for dropped file 22->51 53 Writes to foreign memory regions 22->53 55 Allocates memory in foreign processes 22->55 57 Injects a PE file into a foreign processes 22->57 35 RegSvcs.exe 22->35         started        37 RegSvcs.exe 22->37         started        process11
Threat name:
Win32.Trojan.Tnega
Status:
Malicious
First seen:
2023-06-05 08:02:30 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
31 of 37 (83.78%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
1f52624e145cc4184a0f81316fbdca107f25e39c3c4a9f0b60fc3312fc80f609
MD5 hash:
c017905d19b07b4ee0d77a956d455619
SHA1 hash:
6b6daac353a6a16fefdd7f48e0254fb3b2dcc0ce
SH256 hash:
252477ddf7161822a10afaca4c4322246669041ebef55db41b148694f0cce6ed
MD5 hash:
fdcce1cddad53c6caa7c70d5fea375da
SHA1 hash:
7a894258e685163e062222b785cf39ac00cc7c48
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:SelfExtractingRAR
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
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.

Comments