MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 768e93dbe738905b75a89ba17edae3c981219e7f0261b19cdc61a055c0bb51a2. 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: 768e93dbe738905b75a89ba17edae3c981219e7f0261b19cdc61a055c0bb51a2
SHA3-384 hash: ab426887e56e46c85a76d6abdcc125163f0d688a088b8781dfeed08827d0cb57928c7d22475338a375d058c54dc7fa26
SHA1 hash: 0c639171fd3d837ca770b734fa5521c87409bd89
MD5 hash: 3317e2f2044bbe23f5c8ccd2139ab59e
humanhash: one-jersey-avocado-saturn
File name:0272023.doc.exe
Download: download sample
Signature Formbook
File size:330'158 bytes
First seen:2023-02-13 07:06:38 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:OYa6xXhqi0rwGRhekazs/rL34dJBBYCxKElCdOyJTuXA9QbMPR++:OYDXhZ0tekAs/H4TfYCxKElCI3A9Qe
TLSH T17C6423D2369081A3D69206B25479613BBFFBED063619A3C72320376E7E76513DB1C322
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 70f8eee0d8cc69b2 (8 x SnakeKeylogger, 5 x Formbook, 5 x DarkTortilla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
184
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0272023.doc.exe
Verdict:
Malicious activity
Analysis date:
2023-02-13 07:09:51 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 in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
Sending a custom TCP request
Reading critical registry keys
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook overlay packed 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.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 806692 Sample: 0272023.doc.exe Startdate: 13/02/2023 Architecture: WINDOWS Score: 100 33 Snort IDS alert for network traffic 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 3 other signatures 2->39 9 0272023.doc.exe 19 2->9         started        process3 file4 25 C:\Users\user\AppData\Local\...\nftlzusyn.exe, PE32 9->25 dropped 12 nftlzusyn.exe 9->12         started        process5 signatures6 55 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 12->55 57 Maps a DLL or memory area into another process 12->57 15 nftlzusyn.exe 12->15         started        process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 2 6 15->18 injected process9 dnsIp10 27 www.utmedicined.com 81.17.18.195, 49730, 49731, 80 PLI-ASCH Switzerland 18->27 29 www.performingartshub.co.uk 217.160.0.64, 49718, 49722, 80 ONEANDONE-ASBrauerstrasse48DE Germany 18->29 31 10 other IPs or domains 18->31 41 System process connects to network (likely due to code injection or exploit) 18->41 43 Performs DNS queries to domains with low reputation 18->43 45 Uses ipconfig to lookup or modify the Windows network settings 18->45 22 ipconfig.exe 13 18->22         started        signatures11 process12 signatures13 47 Tries to steal Mail credentials (via file / registry access) 22->47 49 Tries to harvest and steal browser information (history, passwords, etc) 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-02-08 03:20:55 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
27 of 39 (69.23%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
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:
974f20478e3d1e61365baf813f345a9c5a2d27a8795e4f649b5cc44f37293356
MD5 hash:
a2e982c087e76cc6d7cda3c61fc8e6d2
SHA1 hash:
8c47d2526727e527020442ca9fc14710dfd427cc
Detections:
win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
a8eaaee48b2604b0232dae802b529dcab938c055a744237275543521fbd42994
MD5 hash:
4950375d351dc713604ce67b4d8a27b6
SHA1 hash:
eaec12b68eaf1db856b734bb4a2019d5ce58d9ce
SH256 hash:
2eeb488da3c09e19ecb061d5377b64664770ad90288c737308628ce39d445aa1
MD5 hash:
b276e8435e0612a544883399a8fb5b66
SHA1 hash:
2faaf77b4f7238e0b191e44b229c2af8e8f96f8e
SH256 hash:
768e93dbe738905b75a89ba17edae3c981219e7f0261b19cdc61a055c0bb51a2
MD5 hash:
3317e2f2044bbe23f5c8ccd2139ab59e
SHA1 hash:
0c639171fd3d837ca770b734fa5521c87409bd89
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.

Malspam

Formbook

Executable exe 768e93dbe738905b75a89ba17edae3c981219e7f0261b19cdc61a055c0bb51a2

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments