MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1e4430039a9fee3f5b6c7defdde6580333a457e0840ee64a775efb32bae1deec. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1e4430039a9fee3f5b6c7defdde6580333a457e0840ee64a775efb32bae1deec
SHA3-384 hash: 0e37df186a1753c19d6aae01b40ff24624e188676269b47af34954526c43c3a22af158bdce1a70a3e7c7e6895d4ab38a
SHA1 hash: 8043339e48c6a99e9ab99e657a921f590045a11f
MD5 hash: 20a745db9518b9af2ee2fda614c53f4f
humanhash: rugby-sierra-apart-michigan
File name:VINSEC_PO2023.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:913'408 bytes
First seen:2022-12-12 08:45:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:Icc1dNoUO5LAfC4MNiE0FoxyJVauGP+73V7JHqjmangKZ/nXt7virmWhlGLaQYIA:bamUOxAfC4WCiMVfGPchSW
TLSH T12415D51F9EC756D4EE3743F47215CBB83E62BE81A8615C092CA0B473107C53EAA3E965
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon d4c4c4d8ccd4f0c4 (63 x Formbook, 23 x AgentTesla, 8 x RemcosRAT)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
170
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
VINSEC_PO2023.exe
Verdict:
Malicious activity
Analysis date:
2022-12-12 10:34:57 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/16c00cf8-0ba4-45cc-ad33-504f012fe617

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/345368/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.48217.UNOFFICIAL
Create hunting rule

Porcupine.MSIL.Kryptik.AHIY.59702.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a file in the %temp% directory
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6396ea5ef6e448d42df82a5f/reports/4f667889-b278-4b19-9ee9-7dbd4e6b4837/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b734397b-30af-4447-b248-f6e14a1c031d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1132486
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 765212 Sample: VINSEC_PO2023.exe Startdate: 12/12/2022 Architecture: WINDOWS Score: 100 71 Malicious sample detected (through community Yara rule) 2->71 73 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->73 75 Sigma detected: Scheduled temp file as task from temp location 2->75 77 8 other signatures 2->77 10 VINSEC_PO2023.exe 7 2->10         started        14 tzNkjd.exe 5 2->14         started        process3 dnsIp4 53 C:\Users\user\AppData\Roaming\tzNkjd.exe, PE32 10->53 dropped 55 C:\Users\user\...\tzNkjd.exe:Zone.Identifier, ASCII 10->55 dropped 57 C:\Users\user\AppData\Local\...\tmpBD84.tmp, XML 10->57 dropped 59 C:\Users\user\...\VINSEC_PO2023.exe.log, ASCII 10->59 dropped 85 Uses schtasks.exe or at.exe to add and modify task schedules 10->85 87 Adds a directory exclusion to Windows Defender 10->87 89 Tries to detect virtualization through RDTSC time measurements 10->89 17 VINSEC_PO2023.exe 10->17         started        20 powershell.exe 21 10->20         started        22 powershell.exe 17 10->22         started        24 schtasks.exe 1 10->24         started        61 192.168.2.1 unknown unknown 14->61 91 Multi AV Scanner detection for dropped file 14->91 93 Machine Learning detection for dropped file 14->93 26 tzNkjd.exe 14->26         started        28 schtasks.exe 1 14->28         started        30 tzNkjd.exe 14->30         started        file5 signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 17->63 65 Maps a DLL or memory area into another process 17->65 67 Sample uses process hollowing technique 17->67 69 Queues an APC in another process (thread injection) 17->69 32 explorer.exe 17->32 injected 34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        38 conhost.exe 24->38         started        40 conhost.exe 28->40         started        process9 process10 42 systray.exe 32->42         started        45 help.exe 32->45         started        47 autochk.exe 32->47         started        signatures11 79 Modifies the context of a thread in another process (thread injection) 42->79 81 Maps a DLL or memory area into another process 42->81 83 Tries to detect virtualization through RDTSC time measurements 42->83 49 cmd.exe 42->49         started        process12 process13 51 conhost.exe 49->51         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1e4430039a9fee3f5b6c7defdde6580333a457e0840ee64a775efb32bae1deec/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-12-06 04:07:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
27 of 40 (67.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dzcdaa42t7xd6w3mpxx53zsyamz2iv7aqqhomstxl35tfoxb33wa._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:m2x5 rat spyware stealer trojan
Link:
https://tria.ge/reports/221212-kpcdasah88/
Behaviour
Creates scheduled task(s)
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
Deletes itself
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/345409cc-ae4a-4ca9-841c-56cf699b62ca
Unpacked files
SH256 hash:
b42544eef6f69b993dce47e07385ca09ff261b1a34d00494de360fcaa7f0bcdf
MD5 hash:
d4a2cb3114662cd22e4d1fee72879ec7
SHA1 hash:
5d420d8d2f06b4a6099fb15c806433d5f87ca10b
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/75206ea7-e511-46af-8e65-748518a22a03/
Parent samples :
dfb043181104c761880453807f8f14d992051e386561621280452e47d1895936
5729bc42c6e1c14c8b3037c66c1ce01a44c99ee234d8563b1ce61c2450cfe76c
1e4430039a9fee3f5b6c7defdde6580333a457e0840ee64a775efb32bae1deec
b5e3575e253ae6811203e02d42fda718a5655baec9545f839ceb4473e5de33bf
SH256 hash:
677c7fa5f5f3ad7da5567740d8c0531a12993442020c88787f0d5bea5cade007
MD5 hash:
92902d821028ee6bc19b820bdc5f545e
SHA1 hash:
e6ff4ada411621c3719bba69a5d9a657cc77f236
Link:
https://www.unpac.me/results/75206ea7-e511-46af-8e65-748518a22a03/
SH256 hash:
b903b19f9884e6fd39701e7216039d11e0cbac3bb52a1e21f3f16eb9fd2a7167
MD5 hash:
d8a2b8f2a4ba9e10bb7ba26133b4a662
SHA1 hash:
e2f45eefe90458ffc6a584372c234c7c024b8d11
Link:
https://www.unpac.me/results/75206ea7-e511-46af-8e65-748518a22a03/
SH256 hash:
13b2d152d9e148b8d5f707361ba32defab577684e41cf7f4c2c7f2bbc3b08b23
MD5 hash:
b7d8c6a1672eb90fde17234589bbeb34
SHA1 hash:
dcb6e2eada0b03e5c7fe563310f9876ab3aca6ba
Link:
https://www.unpac.me/results/75206ea7-e511-46af-8e65-748518a22a03/
SH256 hash:
7701f71c6dde45aa0aed110deea044e01f568354971c17f165ffe72fa8c0b422
MD5 hash:
029c68f369ffb002278e24034c8350ff
SHA1 hash:
a0056de1df7f93fb1850691a895ba95a44e003dc
Link:
https://www.unpac.me/results/75206ea7-e511-46af-8e65-748518a22a03/
SH256 hash:
1e4430039a9fee3f5b6c7defdde6580333a457e0840ee64a775efb32bae1deec
MD5 hash:
20a745db9518b9af2ee2fda614c53f4f
SHA1 hash:
8043339e48c6a99e9ab99e657a921f590045a11f
Link:
https://www.unpac.me/results/75206ea7-e511-46af-8e65-748518a22a03/
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/1e4430039a9fee3f5b6c7defdde6580333a457e0840ee64a775efb32bae1deec

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe 1e4430039a9fee3f5b6c7defdde6580333a457e0840ee64a775efb32bae1deec

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/345368/

Comments