MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1d8ffbf2a386718acac9f307a0b0315be1831b7a3407aeed7cd4b510db02a72c. 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: 13


Intelligence 13 IOCs YARA 8 File information Comments

SHA256 hash: 1d8ffbf2a386718acac9f307a0b0315be1831b7a3407aeed7cd4b510db02a72c
SHA3-384 hash: 4ee958201d150e468bb5e61b13cd68a93beb878b86d5ec753dd309f534354532390cc0cfcf337244723d465285a7ffaa
SHA1 hash: 7959b8aa326ec60be4ab1621c6ce636a5f705a05
MD5 hash: 20415c88f2e2b61a101c2bcf27540315
humanhash: finch-mississippi-kitten-hotel
File name:1d8ffbf2a386718acac9f307a0b0315be1831b7a3407aeed7cd4b510db02a72c
Download: download sample
Signature Formbook
File size:1'147'349 bytes
First seen:2023-07-06 09:59:33 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:wTbBv5rUk0FHSwWGawARXI0V7p3QEfBnX7SWXMdAfRd/Y:iB3aywWZRXlnTRXPMUlY
Threatray 106 similar samples on MalwareBazaar
TLSH T141351202BBC544B2C4A21C325A7A5721693CBE601F79CEDF63D07E6E99319D1DA313A3
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 f0e0f22abae6e074 (3 x Formbook, 1 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
259
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1d8ffbf2a386718acac9f307a0b0315be1831b7a3407aeed7cd4b510db02a72c
Verdict:
Suspicious activity
Analysis date:
2023-07-06 09:57:47 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
Searching for the window
Creating a 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
Sending a UDP request
DNS request
Creating a file
Launching the default Windows debugger (dwwin.exe)
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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 wscript wscript
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: 1268674 Sample: pMwbuqtZsi.exe Startdate: 07/07/2023 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 pMwbuqtZsi.exe 13 2->9         started        process3 file4 39 C:\Users\user\AppData\Local\Temp\...\xpeo.msc, 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 xpeo.msc 1 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.Leonem
Status:
Malicious
First seen:
2023-06-10 16:55:20 UTC
File Type:
PE (Exe)
Extracted files:
36
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
1f52624e145cc4184a0f81316fbdca107f25e39c3c4a9f0b60fc3312fc80f609
MD5 hash:
c017905d19b07b4ee0d77a956d455619
SHA1 hash:
6b6daac353a6a16fefdd7f48e0254fb3b2dcc0ce
SH256 hash:
1d8ffbf2a386718acac9f307a0b0315be1831b7a3407aeed7cd4b510db02a72c
MD5 hash:
20415c88f2e2b61a101c2bcf27540315
SHA1 hash:
7959b8aa326ec60be4ab1621c6ce636a5f705a05
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