MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 61f9a4998fd5e3db092db5af0d8f1778c89fe3ec0d7c9f3723096303d8cad28d. 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: 14


Intelligence 14 IOCs 1 YARA 6 File information Comments

SHA256 hash: 61f9a4998fd5e3db092db5af0d8f1778c89fe3ec0d7c9f3723096303d8cad28d
SHA3-384 hash: 9ca3a1a6f543b0a5aea6016121efe8ceab5a872bdbe766c31e5e5977aabf30a85d6790fdad44bad6aebccc9a622046c2
SHA1 hash: 01ad8d0260cd582b48ecc67d30fd3b162ec5fc09
MD5 hash: 064c437bff63845d77b7524c8f8a0483
humanhash: sink-stairway-maine-april
File name:064c437bff63845d77b7524c8f8a0483.exe
Download: download sample
Signature Stop
File size:846'336 bytes
First seen:2022-08-07 11:15:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 08698d14d1e7fa83050959c8515b39ce (2 x Stop, 1 x ArkeiStealer, 1 x TeamBot)
ssdeep 24576:NaA9/+TFnmDjqDGRbmpEaHzk0Wv8hmQ5WM:NmlEjqDPpRiv8X5n
Threatray 1'461 similar samples on MalwareBazaar
TLSH T1A0050200A790C435F6B651F059BA93ACB93E7DE19B2065CB22D53AEE5738AD0EC30357
TrID 40.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
17.0% (.SCR) Windows screen saver (13101/52/3)
13.6% (.EXE) Win64 Executable (generic) (10523/12/4)
8.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon b6dacabecee6baa6 (72 x Stop, 68 x RedLineStealer, 55 x Smoke Loader)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://159.69.102.194:1080/

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://159.69.102.194:1080/ https://threatfox.abuse.ch/ioc/841762/

Intelligence


File Origin
# of uploads :
1
# of downloads :
431
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
064c437bff63845d77b7524c8f8a0483.exe
Verdict:
Malicious activity
Analysis date:
2022-08-07 11:16:17 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
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Сreating synchronization primitives
Deleting a recently created file
Searching for synchronization primitives
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
MalwareBazaar
CPUID_Instruction
SystemUptime
MeasuringTime
CheckCmdLine
EvasionQueryPerformanceCounter
EvasionGetTickCount
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware lockbit packed wacatac
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.
Malware family:
STOP Ransomware
Verdict:
Malicious
Result
Threat name:
Djvu, Vidar
Detection:
malicious
Classification:
rans.spre.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (creates a PE file in dynamic memory)
Found many strings related to Crypto-Wallets (likely being stolen)
Found ransom note / readme
Infects executable files (exe, dll, sys, html)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses known network protocols on non-standard ports
Writes many files with high entropy
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 679986 Sample: JcMO54OCI5.exe Startdate: 07/08/2022 Architecture: WINDOWS Score: 100 75 Snort IDS alert for network traffic 2->75 77 Multi AV Scanner detection for domain / URL 2->77 79 Malicious sample detected (through community Yara rule) 2->79 81 11 other signatures 2->81 10 JcMO54OCI5.exe 2->10         started        13 JcMO54OCI5.exe 2->13         started        15 JcMO54OCI5.exe 2->15         started        17 JcMO54OCI5.exe 2->17         started        process3 signatures4 97 Writes many files with high entropy 10->97 99 Injects a PE file into a foreign processes 10->99 19 JcMO54OCI5.exe 1 16 10->19         started        23 JcMO54OCI5.exe 13->23         started        26 JcMO54OCI5.exe 12 15->26         started        28 JcMO54OCI5.exe 12 17->28         started        process5 dnsIp6 61 api.2ip.ua 162.0.217.254, 443, 49738, 49741 ACPCA Canada 19->61 47 C:\Users\...\JcMO54OCI5.exe:Zone.Identifier, ASCII 19->47 dropped 49 C:\Users\user\AppData\...\JcMO54OCI5.exe, MS-DOS 19->49 dropped 30 JcMO54OCI5.exe 19->30         started        33 icacls.exe 19->33         started        51 C:\Users\user\Desktop\...EGWXUHVUG.xlsx, data 23->51 dropped 87 Modifies existing user documents (likely ransomware behavior) 23->87 63 192.168.2.1 unknown unknown 28->63 file7 signatures8 process9 signatures10 107 Injects a PE file into a foreign processes 30->107 35 JcMO54OCI5.exe 1 23 30->35         started        process11 dnsIp12 65 acacaca.org 41.41.255.235, 49743, 49744, 80 TE-ASTE-ASEG Egypt 35->65 67 rgyui.top 210.182.29.70, 49742, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 35->67 69 api.2ip.ua 35->69 53 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 35->53 dropped 55 C:\Users\user\AppData\Local\...\build2.exe, PE32 35->55 dropped 57 C:\_readme.txt, ASCII 35->57 dropped 59 56 other files (53 malicious) 35->59 dropped 83 Infects executable files (exe, dll, sys, html) 35->83 85 Modifies existing user documents (likely ransomware behavior) 35->85 40 build2.exe 35->40         started        file13 signatures14 process15 signatures16 89 Multi AV Scanner detection for dropped file 40->89 91 Detected unpacking (creates a PE file in dynamic memory) 40->91 93 Machine Learning detection for dropped file 40->93 95 Injects a PE file into a foreign processes 40->95 43 build2.exe 40->43         started        process17 dnsIp18 71 t.me 149.154.167.99, 443, 49747 TELEGRAMRU United Kingdom 43->71 73 159.69.102.194, 1080, 49748 HETZNER-ASDE Germany 43->73 101 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 43->101 103 Tries to harvest and steal browser information (history, passwords, etc) 43->103 105 Tries to steal Crypto Currency Wallets 43->105 signatures19
Threat name:
Win32.Ransomware.StopCrypt
Status:
Malicious
First seen:
2022-08-07 11:16:10 UTC
File Type:
PE (Exe)
Extracted files:
23
AV detection:
22 of 25 (88.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware spyware stealer
Behaviour
Checks processor information in registry
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
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
Checks computer location settings
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://acacaca.org/test1/get.php
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:MALWARE_Win_STOP
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
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:win_stop_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stop.

File information


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

Web download

Stop

Executable exe 61f9a4998fd5e3db092db5af0d8f1778c89fe3ec0d7c9f3723096303d8cad28d

(this sample)

  
Delivery method
Distributed via web download

Comments