MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 22a33d21d0bcf24632a2d43ce532bdaaca8f36a654820ae62caee91ee16e3f73. 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


Threat unknown


Vendor detections: 8


Intelligence 8 IOCs YARA 5 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 22a33d21d0bcf24632a2d43ce532bdaaca8f36a654820ae62caee91ee16e3f73
SHA3-384 hash: 99814b83108fb30b1b46de1b901be7f3be53dbbf0c1c5aa187c9362c382a1eebc9aec87e999ae1efd5199b10920a1d74
SHA1 hash: b35f13266c22cfa4af5d896e71ffc03c065680af
MD5 hash: c327de352e8d2d8efcde4158619cc68b
humanhash: finch-red-violet-queen
File name:c327de352e8d2d8efcde4158619cc68b
Download: download sample
File size:86'528 bytes
First seen:2021-10-05 18:51:59 UTC
Last seen:2021-10-05 19:47:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 1536:lRWeJ1BZBziUoNehav2A7mhIqiyUhBFvpqcylbMGRP1:z/J1JziHNeMOwIs3dQHlbMGRP1
TLSH T1F883099D721072DFC857C472DEA82DA8EB64687B871B8217E02716ADDE0D897CF141F2
Reporter zbetcheckin
Tags:32 exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
302
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
WDUpdate.exe
Verdict:
Malicious activity
Analysis date:
2021-10-02 09:43:08 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1deb2f79-f456-4dbe-b21c-61c13d6f4bb5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/195187/
Detection(s):
PUA.Win.Packed.ConfuserEx-6391397-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
black obfuscated packed
Link:
https://www.filescan.io/uploads/615c9ed498a6280f39327a3f/reports/5d9a29d7-a9f8-4130-86f0-5e6c116c944c/overview
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/f92e639d-58ba-4482-83a0-22c0552fa93d
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/865063
Signature
Bypasses PowerShell execution policy
Detected unpacking (changes PE section rights)
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Sigma detected: Encoded FromBase64String
Sigma detected: FromBase64String Command Line
Sigma detected: Schedule system process
Suspicious powershell command line found
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 497491 Sample: Jol15hfumk Startdate: 05/10/2021 Architecture: WINDOWS Score: 100 24 rum18.perf.linkedin.com 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Sigma detected: Encoded FromBase64String 2->28 30 Sigma detected: Schedule system process 2->30 32 6 other signatures 2->32 8 Jol15hfumk.exe 1 2 2->8         started        12 powershell.exe 28 2->12         started        signatures3 process4 file5 22 C:\Users\user\AppData\...\Jol15hfumk.exe.log, ASCII 8->22 dropped 34 Detected unpacking (changes PE section rights) 8->34 36 Uses schtasks.exe or at.exe to add and modify task schedules 8->36 14 schtasks.exe 1 8->14         started        16 conhost.exe 12->16         started        18 explorer.exe 2 132 12->18         started        signatures6 process7 process8 20 conhost.exe 14->20         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/22a33d21d0bcf24632a2d43ce532bdaaca8f36a654820ae62caee91ee16e3f73/
Threat name:
ByteCode-MSIL.Trojan.Gasti
Create hunting rule
Status:
Malicious
First seen:
2021-10-04 17:35:00 UTC
AV detection:
22 of 45 (48.89%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/211005-xh22laaefq/
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Unpacked files
SH256 hash:
22a33d21d0bcf24632a2d43ce532bdaaca8f36a654820ae62caee91ee16e3f73
MD5 hash:
c327de352e8d2d8efcde4158619cc68b
SHA1 hash:
b35f13266c22cfa4af5d896e71ffc03c065680af
Link:
https://www.unpac.me/results/08ca3f26-07e6-43c5-9f8d-80af8e85490b/
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/22a33d21d0bcf24632a2d43ce532bdaaca8f36a654820ae62caee91ee16e3f73

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:HKTL_NET_GUID_Dropless_Malware
Create hunting rule
Author:Arnim Rupp
Description:Detects c# red/black-team tools via typelibguid
Reference:https://github.com/NYAN-x-CAT/Dropless-Malware
Rule name:INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:pe_imphash
Create hunting rule
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.

Web download

Executable exe 22a33d21d0bcf24632a2d43ce532bdaaca8f36a654820ae62caee91ee16e3f73

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/195187/
  
URLhaus
https://urlhaus.abuse.ch/url/1656516/

Comments


Avatar
zbet commented on 2021-10-05 18:52:00 UTC

url : hxxps://timesync.live/te/WDUpdate.exe