MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8dd634edea7c470fe551cc425ff6851db72af868b04b747e5c516d4743fa3055. 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: 15


Intelligence 15 IOCs YARA 6 File information Comments
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SHA256 hash: 8dd634edea7c470fe551cc425ff6851db72af868b04b747e5c516d4743fa3055
SHA3-384 hash: 6902983b02fb9dc472493fbcea149c8e537f6bac428b84fba95699e60cb245bd1e230bcbb8c4a03c89adceb2c3a41c6e
SHA1 hash: a92c13b20e79b52833f9e265c6663d0c5cd6fe3c
MD5 hash: 4e1472627dcce65ab74fe9da68fc99e0
humanhash: helium-asparagus-yankee-xray
File name:doc2023013099877730091113.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:333'693 bytes
First seen:2023-02-01 07:53:10 UTC
Last seen:2023-02-03 14:31:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:eYa6yXKfBYQl0udmPr8O3w9rointuh7/DcSWIePobageuiVU82oCQVqq:eYaKYgMw9Uth3cVyxIR2ouq
TLSH T1B06412E67604C427D8165BB7EE7E9E126EE5DE2214688B0A03A0BF5E3D715D0CE06373
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 70dca8b2f8cc69b2 (2 x SnakeKeylogger, 2 x YoungLotus, 1 x Loki)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
191
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
doc2023013099877730091113.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-02-01 07:55:57 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/3d599775-66f5-47c1-8daf-0c458e490677

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/358888/
Detection(s):
SecuriteInfo.com.Gen.Variant.Midie.120512.3917.6404.UNOFFICIAL
Create hunting rule

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 cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Launching a process
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
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
Link:
https://dragonfly.certego.net/analysis/64414/overview
Behaviour
MalwareBazaar
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63da1a9b416d38777a7a6a32/reports/06ac1e9d-b46f-42ec-b94d-a92b2d9da31d/overview
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3c8acad5-6913-4dfd-9ade-03d6ecc4d5cf
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1162964
Signature
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Initial sample is a PE file and has a suspicious name
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 dropped file
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)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 795723 Sample: doc2023013099877730091113.pdf.exe Startdate: 01/02/2023 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 4 other signatures 2->51 9 doc2023013099877730091113.pdf.exe 19 2->9         started        process3 file4 29 C:\Users\user\AppData\...\vnlrqnmnry.exe, PE32 9->29 dropped 12 vnlrqnmnry.exe 9->12         started        15 MpCmdRun.exe 1 9->15         started        process5 signatures6 65 Multi AV Scanner detection for dropped file 12->65 67 Detected unpacking (changes PE section rights) 12->67 69 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 12->69 71 Maps a DLL or memory area into another process 12->71 17 vnlrqnmnry.exe 12->17         started        20 conhost.exe 15->20         started        process7 signatures8 37 Modifies the context of a thread in another process (thread injection) 17->37 39 Maps a DLL or memory area into another process 17->39 41 Sample uses process hollowing technique 17->41 43 Queues an APC in another process (thread injection) 17->43 22 explorer.exe 5 6 17->22 injected process9 dnsIp10 31 www.performingartshub.co.uk 217.160.0.64, 49700, 49701, 49702 ONEANDONE-ASBrauerstrasse48DE Germany 22->31 33 www.utmedicined.com 63.141.242.43, 49709, 49710, 49711 NOCIXUS United States 22->33 35 7 other IPs or domains 22->35 53 System process connects to network (likely due to code injection or exploit) 22->53 55 Performs DNS queries to domains with low reputation 22->55 26 cmmon32.exe 13 22->26         started        signatures11 process12 signatures13 57 Tries to steal Mail credentials (via file / registry access) 26->57 59 Tries to harvest and steal browser information (history, passwords, etc) 26->59 61 Modifies the context of a thread in another process (thread injection) 26->61 63 Maps a DLL or memory area into another process 26->63
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8dd634edea7c470fe551cc425ff6851db72af868b04b747e5c516d4743fa3055/
Threat name:
Win32.Trojan.ShellEx
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Status:
Malicious
First seen:
2023-01-30 02:45:43 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rxldj3pkprdq7zkrzrbf75ufdw3sv6diwbfxi7s4kfwuoq72gbkq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/230201-jrjpqacd74/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
974f20478e3d1e61365baf813f345a9c5a2d27a8795e4f649b5cc44f37293356
MD5 hash:
a2e982c087e76cc6d7cda3c61fc8e6d2
SHA1 hash:
8c47d2526727e527020442ca9fc14710dfd427cc
Link:
https://www.unpac.me/results/88f395db-cb49-4508-8fa3-d575ca5b39ee/
Parent samples :
768e93dbe738905b75a89ba17edae3c981219e7f0261b19cdc61a055c0bb51a2
38445abb6c7dd298fbbaad98a07b0909572ef3ffd42bb58cdfbd4b42e02aaa35
4a62aa62e4dbe3f70ef100846e6c7d41bc4ce6a7825c3a5df5253f8314983025
ab617df3930b1ed1ee3bf2dc4ec2db8db8fdba68ba5198183cbf96b75f37c972
SH256 hash:
a8eaaee48b2604b0232dae802b529dcab938c055a744237275543521fbd42994
MD5 hash:
4950375d351dc713604ce67b4d8a27b6
SHA1 hash:
eaec12b68eaf1db856b734bb4a2019d5ce58d9ce
Link:
https://www.unpac.me/results/88f395db-cb49-4508-8fa3-d575ca5b39ee/
SH256 hash:
228e430694e0251aec8ff25a7a2d1cba7db9d638a5565dc387c4ad4793517ee7
MD5 hash:
49b9780f0e48ff4f16133784cdc0075f
SHA1 hash:
aee3f039ef8986d23072a9a08717d85976280f1a
Link:
https://www.unpac.me/results/88f395db-cb49-4508-8fa3-d575ca5b39ee/
SH256 hash:
8dd634edea7c470fe551cc425ff6851db72af868b04b747e5c516d4743fa3055
MD5 hash:
4e1472627dcce65ab74fe9da68fc99e0
SHA1 hash:
a92c13b20e79b52833f9e265c6663d0c5cd6fe3c
Link:
https://www.unpac.me/results/88f395db-cb49-4508-8fa3-d575ca5b39ee/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8dd634edea7c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8dd634edea7c470fe551cc425ff6851db72af868b04b747e5c516d4743fa3055

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
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Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 8dd634edea7c470fe551cc425ff6851db72af868b04b747e5c516d4743fa3055

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/358888/

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