MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3e7ccc99be60620bd1ed12ac34f2bb76dfba737ec91fc88199a20cfc2f320139. 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: 13


Intelligence 13 IOCs YARA 6 File information Comments

SHA256 hash: 3e7ccc99be60620bd1ed12ac34f2bb76dfba737ec91fc88199a20cfc2f320139
SHA3-384 hash: c539687bfa4aeb0ca4d76019c1ad1ed9c27a48c13cb12a5e31bca7674ff91f77c876107ff24322ba15c41f51f12c9bd8
SHA1 hash: 80e62871860ccdcbf57212e071410c9060b160cc
MD5 hash: 6942ca3ed62664c45a8c8203d418cfb8
humanhash: nuts-michigan-winter-video
File name:3e7ccc99be60620bd1ed12ac34f2bb76dfba737ec91fc88199a20cfc2f320139
Download: download sample
Signature Stop
File size:812'032 bytes
First seen:2021-09-06 06:39:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b1f244737f482f7370a4248faac2bcb5 (12 x RaccoonStealer, 2 x Smoke Loader, 1 x Glupteba)
ssdeep 12288:xX0cAihWPm2s3k1SItQNJ0v8eSDNp3Z9kQD9kfcDGWxg1hhrw9Jsx5/MTuRoD48c:vhWP8KFv3SZp3kMkfcy0wh9w9Kazprw
Threatray 503 similar samples on MalwareBazaar
TLSH T1E6050130AAD1C039E9B211F845B983BDA83A7EB16BB540CF53E516FD52386E4EC31746
dhash icon ead8ac9cc6e69ee0 (1 x Stop, 1 x CryptBot)
Reporter JAMESWT_WT
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
123
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3e7ccc99be60620bd1ed12ac34f2bb76dfba737ec91fc88199a20cfc2f320139
Verdict:
Suspicious activity
Analysis date:
2021-09-06 07:13:19 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Sending a UDP request
Deleting a recently created file
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Enabling autorun by creating a file
Malware family:
STOP Ransomware
Verdict:
Malicious
Result
Threat name:
Djvu Vidar
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
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 submitted file
Sigma detected: Suspicious Svchost Process
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes many files with high entropy
Yara detected Djvu Ransomware
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 478303 Sample: o2MrZp4It0 Startdate: 06/09/2021 Architecture: WINDOWS Score: 100 38 49.12.198.69, 49706, 80 HETZNER-ASDE Germany 2->38 40 romkaxarit.tumblr.com 74.114.154.22, 443, 49705 AUTOMATTICUS Canada 2->40 42 2 other IPs or domains 2->42 54 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->54 56 Multi AV Scanner detection for domain / URL 2->56 58 Antivirus detection for URL or domain 2->58 60 9 other signatures 2->60 9 o2MrZp4It0.exe 2->9         started        12 o2MrZp4It0.exe 2->12         started        signatures3 process4 signatures5 62 Detected unpacking (changes PE section rights) 9->62 64 Contains functionality to inject code into remote processes 9->64 66 Writes many files with high entropy 9->66 14 o2MrZp4It0.exe 1 16 9->14         started        68 Injects a PE file into a foreign processes 12->68 process6 dnsIp7 50 api.2ip.ua 77.123.139.190, 443, 49697, 49698 VOLIA-ASUA Ukraine 14->50 36 C:\Users\...\o2MrZp4It0.exe:Zone.Identifier, ASCII 14->36 dropped 18 o2MrZp4It0.exe 14->18         started        21 icacls.exe 14->21         started        file8 process9 signatures10 52 Injects a PE file into a foreign processes 18->52 23 o2MrZp4It0.exe 1 20 18->23         started        process11 dnsIp12 44 securebiz.org 116.121.62.237, 49700, 80 CJNET-ASCheiljedangCoIncKR Korea Republic of 23->44 46 astdg.top 23->46 48 api.2ip.ua 23->48 28 C:\Users\user\...\RE4tMOM[1].jpg.orkf (copy), DOS 23->28 dropped 30 C:\Users\user\...\USSres00001.jrs.orkf (copy), COM 23->30 dropped 32 C:\Users\...\AdobeSysFnt19.lst.orkf (copy), DOS 23->32 dropped 34 308 other files (296 malicious) 23->34 dropped 70 Modifies existing user documents (likely ransomware behavior) 23->70 file13 signatures14
Threat name:
Win32.Ransomware.StopCrypt
Status:
Malicious
First seen:
2021-09-02 12:49:00 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
36 of 43 (83.72%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:517 discovery persistence ransomware spyware stealer
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
Vidar
Detected Djvu ransomeware
Djvu Ransomware
Malware Config
C2 Extraction:
https://romkaxarit.tumblr.com/
Unpacked files
SH256 hash:
3e7ccc99be60620bd1ed12ac34f2bb76dfba737ec91fc88199a20cfc2f320139
MD5 hash:
6942ca3ed62664c45a8c8203d418cfb8
SHA1 hash:
80e62871860ccdcbf57212e071410c9060b160cc
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: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