MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 afc40ccbfe32719ae9b39ce16275f27400faefefcf207641d06b61ddde622011. 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


Stop


Vendor detections: 10


Intelligence 10 IOCs 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: afc40ccbfe32719ae9b39ce16275f27400faefefcf207641d06b61ddde622011
SHA3-384 hash: e884b15dc58cf328d67b6ad43af0aac2ac96cabd942d03f5e25b3bf502f67bb482d795379fe4182643e569387cba2b7b
SHA1 hash: 8aaae63a7b482eb11bd7b7f3635526c6a6924f66
MD5 hash: 03acf14ed21545270640c5f63692a4bc
humanhash: minnesota-queen-carpet-mike
File name:03acf14ed21545270640c5f63692a4bc.exe
Download: download sample
Signature Stop
Create hunting rule
File size:863'744 bytes
First seen:2021-05-26 16:57:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a7c39c9f8b441473fbc45307d381bd2b (1 x Stop, 1 x RaccoonStealer)
ssdeep 12288:GMw9lrIt6lcMmUOQG4At5mk3Vqwz3LsSzgZ9WwsYMl/WFimfIHhWXd0bfbVTPpTL:GQt6lgEFomQSBGeMAHmedKVPpTDEfG
Threatray 130 similar samples on MalwareBazaar
TLSH 7305F130ABA0C079F5F751B449B982BC6439BEA1AB3480CF72D03BDA56355E1E931787
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://45.67.231.109/

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://45.67.231.109/ https://threatfox.abuse.ch/ioc/64474/

Intelligence

File Origin
# of uploads :
1
# of downloads :
116
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
03acf14ed21545270640c5f63692a4bc.exe
Verdict:
Suspicious activity
Analysis date:
2021-05-26 23:16:09 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ca30c12a-ae21-45ab-898d-c5dbc360347b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
STOP
Create hunting rule
Link:
https://www.capesandbox.com/analysis/162485/
Detection(s):
Win.Ransomware.Gandcrypt-9865158-0
Create hunting rule

Win.Ransomware.Gandcrypt-9865160-0
Create hunting rule

Win.Packed.Gandcrypt-9865196-0
Create hunting rule

Win.Ransomware.Gandcrypt-9865198-0
Create hunting rule

Win.Packed.Generic-9865218-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Deleting a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Result
Verdict:
UNKNOWN
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:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/792840
Signature
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found ransom note / readme
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Svchost Process
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 425238 Sample: w4uuw9N5AO.exe Startdate: 26/05/2021 Architecture: WINDOWS Score: 100 56 Multi AV Scanner detection for domain / URL 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 Found ransom note / readme 2->60 62 3 other signatures 2->62 8 w4uuw9N5AO.exe 2->8         started        11 w4uuw9N5AO.exe 2->11         started        13 w4uuw9N5AO.exe 2->13         started        15 w4uuw9N5AO.exe 2->15         started        process3 signatures4 66 Multi AV Scanner detection for dropped file 8->66 68 Detected unpacking (changes PE section rights) 8->68 70 Detected unpacking (overwrites its own PE header) 8->70 72 Machine Learning detection for dropped file 8->72 17 w4uuw9N5AO.exe 19 8->17         started        74 Contains functionality to inject code into remote processes 11->74 76 Injects a PE file into a foreign processes 11->76 22 w4uuw9N5AO.exe 1 16 11->22         started        24 w4uuw9N5AO.exe 12 13->24         started        26 w4uuw9N5AO.exe 12 15->26         started        process5 dnsIp6 50 asvb.top 35.235.74.220, 49732, 80 GOOGLEUS United States 17->50 38 C:\_readme.txt, ASCII 17->38 dropped 40 C:\Users\user\Desktop\w4uuw9N5AO.exe, data 17->40 dropped 42 C:\Users\user\Desktop\...42VWZAPQSQL.pdf, data 17->42 dropped 48 3 other files (2 malicious) 17->48 dropped 64 Modifies existing user documents (likely ransomware behavior) 17->64 52 api.2ip.ua 77.123.139.190, 443, 49717, 49722 VOLIA-ASUA Ukraine 22->52 44 C:\Users\user\AppData\...\w4uuw9N5AO.exe, PE32 22->44 dropped 46 C:\Users\...\w4uuw9N5AO.exe:Zone.Identifier, ASCII 22->46 dropped 28 w4uuw9N5AO.exe 22->28         started        31 icacls.exe 22->31         started        file7 signatures8 process9 signatures10 78 Injects a PE file into a foreign processes 28->78 33 w4uuw9N5AO.exe 12 28->33         started        36 svchost.exe 28->36         started        process11 dnsIp12 54 api.2ip.ua 33->54
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/afc40ccbfe32719ae9b39ce16275f27400faefefcf207641d06b61ddde622011/
Threat name:
Win32.Spyware.Windigo
Create hunting rule
Status:
Malicious
First seen:
2021-05-26 16:58:12 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=v7cazs76gjyzv2ntttqwe5psoqapv37pz4qhmqoqnnq53xtceaiq._file
Verdict:
malicious
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+ 120 additional samples on MalwareBazaar
Result
Malware family:
raccoon
Create hunting rule
Score:
  10/10
Tags:
family:raccoon botnet:1d76a465540f6a904ac9f1310fe3a3824b5b4549 discovery evasion persistence ransomware spyware stealer
Link:
https://tria.ge/reports/210526-qj1f6a7sca/
Behaviour
Delays execution with timeout.exe
Modifies system certificate store
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 installed software on the system
Looks up external IP address via web service
Loads dropped DLL
Modifies file permissions
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Disables Task Manager via registry modification
Downloads MZ/PE file
Drops file in Drivers directory
Executes dropped EXE
Modifies extensions of user files
Deletes Windows Defender Definitions
Raccoon
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/afc40ccbfe32719ae9b39ce16275f27400faefefcf207641d06b61ddde622011

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:MALWARE_Win_STOP
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834

File information

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

Web download

Stop

Executable exe afc40ccbfe32719ae9b39ce16275f27400faefefcf207641d06b61ddde622011

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1256494/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/162485/

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