MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 db1c7d193ab6b858686b08b8aecbfb2ac66d97bd8c4a97d70913c2ac38b3ddaa. 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: 16


Intelligence 16 IOCs 1 YARA 8 File information Comments

SHA256 hash: db1c7d193ab6b858686b08b8aecbfb2ac66d97bd8c4a97d70913c2ac38b3ddaa
SHA3-384 hash: bc6c089b8e4fa36f797c1e20a312a00a8bfe5eda66b55f778cbbd2354cbf731c37d0d3f8bfb65b1fafc9adb9eb61a7f2
SHA1 hash: 3d7458ec31bfd4d6c3eb88a10579563baf1f568d
MD5 hash: 62d911a11cd55137600d273c0f0e844a
humanhash: south-april-april-mexico
File name:62d911a11cd55137600d273c0f0e844a.exe
Download: download sample
Signature Stop
File size:841'216 bytes
First seen:2022-09-16 22:35:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 34b388503bcaefb861346bf8902da833 (8 x GCleaner, 8 x Stop, 7 x Smoke Loader)
ssdeep 24576:v4dxbo8FRxzkBqLXXb9+CUtJjkeHoboJpfzofyi:v4o8FRND9Kj1HFra
Threatray 1'880 similar samples on MalwareBazaar
TLSH T1220501117992D8B1D4656E3C8835EFA066BFAC221B645207B3A03BBF2D73380567735B
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 38b078cccacecc43 (14 x Smoke Loader, 7 x Stop, 5 x ArkeiStealer)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://195.201.253.5/

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://195.201.253.5/ https://threatfox.abuse.ch/ioc/850075/

Intelligence


File Origin
# of uploads :
1
# of downloads :
357
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
62d911a11cd55137600d273c0f0e844a.exe
Verdict:
Malicious activity
Analysis date:
2022-09-16 22:36:31 UTC
Tags:
trojan ransomware stop loader stealer

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
Sending a custom TCP request
Adding an access-denied ACE
Сreating synchronization primitives
Deleting a recently created file
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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Result
Verdict:
MALICIOUS
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:
Babuk, Clipboard Hijacker, Djvu, Vidar
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Found many strings related to Crypto-Wallets (likely being stolen)
Found ransom note / readme
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
Obfuscated command line found
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 schtasks.exe or at.exe to add and modify task schedules
Writes many files with high entropy
Yara detected Babuk Ransomware
Yara detected Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 704529 Sample: 6pWgtjJTwL.exe Startdate: 17/09/2022 Architecture: WINDOWS Score: 100 95 Snort IDS alert for network traffic 2->95 97 Multi AV Scanner detection for domain / URL 2->97 99 Malicious sample detected (through community Yara rule) 2->99 101 12 other signatures 2->101 12 6pWgtjJTwL.exe 2->12         started        15 6pWgtjJTwL.exe 2->15         started        17 6pWgtjJTwL.exe 2->17         started        19 2 other processes 2->19 process3 signatures4 115 Contains functionality to inject code into remote processes 12->115 117 Writes many files with high entropy 12->117 119 Injects a PE file into a foreign processes 12->119 21 6pWgtjJTwL.exe 1 16 12->21         started        121 Multi AV Scanner detection for dropped file 15->121 123 Machine Learning detection for dropped file 15->123 25 6pWgtjJTwL.exe 12 15->25         started        27 6pWgtjJTwL.exe 12 17->27         started        125 Antivirus detection for dropped file 19->125 29 6pWgtjJTwL.exe 19->29         started        31 schtasks.exe 19->31         started        process5 dnsIp6 85 api.2ip.ua 162.0.217.254, 443, 49713, 49716 ACPCA Canada 21->85 69 C:\Users\user\AppData\...\6pWgtjJTwL.exe, PE32 21->69 dropped 71 C:\Users\...\6pWgtjJTwL.exe:Zone.Identifier, ASCII 21->71 dropped 33 6pWgtjJTwL.exe 21->33         started        36 icacls.exe 21->36         started        38 conhost.exe 31->38         started        file7 process8 signatures9 93 Injects a PE file into a foreign processes 33->93 40 6pWgtjJTwL.exe 1 25 33->40         started        process10 dnsIp11 87 acacaca.org 41.41.255.235, 49718, 49719, 80 TE-ASTE-ASEG Egypt 40->87 89 rgyui.top 175.126.109.15, 49717, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 40->89 91 2 other IPs or domains 40->91 73 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 40->73 dropped 75 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 40->75 dropped 77 C:\Users\user\AppData\Local\...\build2.exe, PE32 40->77 dropped 79 85 other files (80 malicious) 40->79 dropped 111 Tries to harvest and steal browser information (history, passwords, etc) 40->111 113 Modifies existing user documents (likely ransomware behavior) 40->113 45 build2.exe 40->45         started        48 build3.exe 40->48         started        file12 signatures13 process14 file15 127 Multi AV Scanner detection for dropped file 45->127 129 Obfuscated command line found 45->129 131 Machine Learning detection for dropped file 45->131 133 Injects a PE file into a foreign processes 45->133 51 build2.exe 45->51         started        67 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 48->67 dropped 135 Uses schtasks.exe or at.exe to add and modify task schedules 48->135 55 schtasks.exe 48->55         started        signatures16 process17 dnsIp18 81 t.me 149.154.167.99, 443, 49722 TELEGRAMRU United Kingdom 51->81 83 195.201.253.5, 49724, 80 HETZNER-ASDE Germany 51->83 103 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 51->103 105 Obfuscated command line found 51->105 107 Tries to harvest and steal browser information (history, passwords, etc) 51->107 109 Tries to steal Crypto Currency Wallets 51->109 57 cmd.exe 51->57         started        59 conhost.exe 55->59         started        signatures19 process20 process21 61 conhost.exe 57->61         started        63 taskkill.exe 57->63         started        65 timeout.exe 57->65         started       
Threat name:
Win32.Trojan.Chapak
Status:
Malicious
First seen:
2022-09-16 22:17:48 UTC
File Type:
PE (Exe)
Extracted files:
70
AV detection:
27 of 40 (67.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware spyware stealer
Behaviour
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Checks processor information in registry
Creates scheduled task(s)
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:MALWARE_Win_STOP
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:RansomwareTest4
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest5
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest6
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
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 db1c7d193ab6b858686b08b8aecbfb2ac66d97bd8c4a97d70913c2ac38b3ddaa

(this sample)

  
Delivery method
Distributed via web download

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