MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 331318ad73d13c8c2e3fbb0d56c5a493722f42eeda70c0b8e375abe035a6b54f. 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: 11


Intelligence 11 IOCs 1 YARA 7 File information Comments

SHA256 hash: 331318ad73d13c8c2e3fbb0d56c5a493722f42eeda70c0b8e375abe035a6b54f
SHA3-384 hash: 72bb26435d890f4d5972b4f2ca3b9a6c587cb3485008aa26c008209cc3499897b96d4264b1116d68f1337472865c0945
SHA1 hash: 533a7ca388527724f1e1dec150ca118276ce7df1
MD5 hash: 26863d325125f4d8d83e2eae3376454e
humanhash: may-alaska-cat-purple
File name:331318AD73D13C8C2E3FBB0D56C5A493722F42EEDA70C.exe
Download: download sample
Signature Stop
File size:868'352 bytes
First seen:2021-09-22 22:20:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0724b6e67f50109c65fd8c6025d37cf0 (2 x RedLineStealer, 1 x Smoke Loader, 1 x Stop)
ssdeep 24576:q//r7ldMX4Mpf12dgRRzo96Oo8PnyKzEOBgG:q1dMLpt2dgvzo9XGI
Threatray 690 similar samples on MalwareBazaar
TLSH T1D0050120B791C434F6F612F845BA93A8A53A7EB1AB3450CF63E13AEE56341D1AC31747
File icon (PE):PE icon
dhash icon ead8ac9cc6e68ea0 (38 x RaccoonStealer, 18 x RedLineStealer, 12 x Smoke Loader)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://159.69.203.58/

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://159.69.203.58/ https://threatfox.abuse.ch/ioc/225251/

Intelligence


File Origin
# of uploads :
1
# of downloads :
259
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
331318AD73D13C8C2E3FBB0D56C5A493722F42EEDA70C.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-22 22:23:03 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Malware family:
STOP Ransomware
Verdict:
Malicious
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Detected unpacking (overwrites its own PE header)
Found malware configuration
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
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 488479 Sample: 331318AD73D13C8C2E3FBB0D56C... Startdate: 23/09/2021 Architecture: WINDOWS Score: 100 56 Multi AV Scanner detection for domain / URL 2->56 58 Found malware configuration 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 4 other signatures 2->62 8 331318AD73D13C8C2E3FBB0D56C5A493722F42EEDA70C.exe 2->8         started        11 331318AD73D13C8C2E3FBB0D56C5A493722F42EEDA70C.exe 2->11         started        13 331318AD73D13C8C2E3FBB0D56C5A493722F42EEDA70C.exe 2->13         started        15 331318AD73D13C8C2E3FBB0D56C5A493722F42EEDA70C.exe 2->15         started        process3 signatures4 66 Injects a PE file into a foreign processes 8->66 17 331318AD73D13C8C2E3FBB0D56C5A493722F42EEDA70C.exe 1 17 8->17         started        68 Multi AV Scanner detection for dropped file 11->68 70 Detected unpacking (overwrites its own PE header) 11->70 72 Machine Learning detection for dropped file 11->72 74 Contains functionality to inject code into remote processes 11->74 22 331318AD73D13C8C2E3FBB0D56C5A493722F42EEDA70C.exe 13 11->22         started        24 331318AD73D13C8C2E3FBB0D56C5A493722F42EEDA70C.exe 1 17 13->24         started        26 331318AD73D13C8C2E3FBB0D56C5A493722F42EEDA70C.exe 15->26         started        process5 dnsIp6 48 astdg.top 17->48 36 C:\_readme.txt, ASCII 17->36 dropped 38 C:\Users\user\Desktop\...\ZQIXMVQGAH.jpg, data 17->38 dropped 40 C:\Users\user\Desktop40EBFQQYWPS.mp3, data 17->40 dropped 46 7 other files (3 malicious) 17->46 dropped 64 Modifies existing user documents (likely ransomware behavior) 17->64 50 api.2ip.ua 77.123.139.190, 443, 49755, 49757 VOLIA-ASUA Ukraine 24->50 52 192.168.2.1 unknown unknown 24->52 42 331318AD73D13C8C2E...93722F42EEDA70C.exe, PE32 24->42 dropped 44 331318AD73D13C8C2E...exe:Zone.Identifier, ASCII 24->44 dropped 28 331318AD73D13C8C2E3FBB0D56C5A493722F42EEDA70C.exe 24->28         started        31 icacls.exe 24->31         started        file7 signatures8 process9 signatures10 76 Injects a PE file into a foreign processes 28->76 33 331318AD73D13C8C2E3FBB0D56C5A493722F42EEDA70C.exe 13 28->33         started        process11 dnsIp12 54 api.2ip.ua 33->54
Threat name:
Win32.Ransomware.Stop
Status:
Malicious
First seen:
2021-07-27 00:25:30 UTC
AV detection:
26 of 27 (96.30%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar discovery persistence ransomware spyware stealer suricata
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
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 web browsers
Downloads MZ/PE file
Executes dropped EXE
Vidar Stealer
Detected Djvu ransomware
Djvu Ransomware
Vidar
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
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:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks
Rule name:MALWARE_Win_STOP
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:MALWARE_Win_Vidar
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
Rule name:SUSP_XORed_URL_in_EXE
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:Vidar
Author:kevoreilly
Description:Vidar Payload

File information


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

Comments