MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a92097460fb6fc1e6fe914c7bd3511d6035c79fe78ba76f991f4c14966cae17c. 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: 17


Intelligence 17 IOCs YARA 6 File information Comments

SHA256 hash: a92097460fb6fc1e6fe914c7bd3511d6035c79fe78ba76f991f4c14966cae17c
SHA3-384 hash: 84cc1ce945b7ad56d2fc51ee8a3cd3ed08714fae4bf629b6d3b13b39ef70e8d1f0b15446539a708a72307b0ffbabc5f1
SHA1 hash: 5e066e56f670a648ffdb0108fe9f4e7e9ad948b6
MD5 hash: 336d8a97f6a94b95ccf42a512c7d43c5
humanhash: alaska-bravo-muppet-tennis
File name:setup.exe
Download: download sample
Signature Stop
File size:749'568 bytes
First seen:2023-03-29 02:03:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 465e972bb798ca94102fa41239f1e384 (2 x Stop, 1 x RaccoonStealer, 1 x Rhadamanthys)
ssdeep 12288:1fpdLYWSDlFNVNqLSxw6OaGzn/2f/i+1wSaWr:lL6DlnVNvx/Oayn/e/irnW
Threatray 2'309 similar samples on MalwareBazaar
TLSH T1A7F4F1021EE17870E62D46728F2EC7F4AB5EB961CE59BF5A1278DE2F15F1172C262700
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
16.0% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 01626e6e6a6a6a64 (1 x Stop, 1 x Rhadamanthys)
Reporter Chainskilabs
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
276
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
2.bin
Verdict:
Malicious activity
Analysis date:
2023-03-29 01:33:08 UTC
Tags:
ransomware stop loader

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
Sending an HTTP GET request
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Сreating synchronization primitives
Sending a custom TCP request
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
azorult greyware lockbit packed
Result
Verdict:
SUSPICIOUS
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.spre.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
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 dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 a notice file (html or txt) to demand a ransom
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: 836909 Sample: setup.exe Startdate: 29/03/2023 Architecture: WINDOWS Score: 100 89 Snort IDS alert for network traffic 2->89 91 Malicious sample detected (through community Yara rule) 2->91 93 Antivirus detection for URL or domain 2->93 95 10 other signatures 2->95 12 setup.exe 2->12         started        15 setup.exe 2->15         started        17 setup.exe 2->17         started        19 4 other processes 2->19 process3 signatures4 117 Detected unpacking (changes PE section rights) 12->117 119 Detected unpacking (overwrites its own PE header) 12->119 121 Writes a notice file (html or txt) to demand a ransom 12->121 127 2 other signatures 12->127 21 setup.exe 1 16 12->21         started        123 Injects a PE file into a foreign processes 17->123 25 setup.exe 17->25         started        125 Multi AV Scanner detection for dropped file 19->125 27 setup.exe 19->27         started        29 schtasks.exe 19->29         started        process5 dnsIp6 81 api.2ip.ua 162.0.217.254, 443, 49710, 49711 ACPCA Canada 21->81 63 C:\Users\user\...\setup.exe:Zone.Identifier, ASCII 21->63 dropped 65 C:\Users\user\AppData\Local\...\setup.exe, MS-DOS 21->65 dropped 31 setup.exe 21->31         started        34 icacls.exe 21->34         started        36 conhost.exe 29->36         started        file7 process8 signatures9 129 Injects a PE file into a foreign processes 31->129 38 setup.exe 1 25 31->38         started        process10 dnsIp11 83 zexeq.com 109.98.58.98, 49712, 49713, 49714 RTDBucharestRomaniaRO Romania 38->83 85 uaery.top 38->85 87 api.2ip.ua 38->87 67 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 38->67 dropped 69 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 38->69 dropped 71 C:\Users\user\AppData\Local\...\build2.exe, PE32 38->71 dropped 73 117 other malicious files 38->73 dropped 103 Infects executable files (exe, dll, sys, html) 38->103 105 Modifies existing user documents (likely ransomware behavior) 38->105 43 build2.exe 38->43         started        46 build3.exe 1 38->46         started        file12 signatures13 process14 file15 107 Multi AV Scanner detection for dropped file 43->107 109 Detected unpacking (changes PE section rights) 43->109 111 Detected unpacking (overwrites its own PE header) 43->111 113 Machine Learning detection for dropped file 43->113 49 build2.exe 43->49         started        75 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 46->75 dropped 115 Uses schtasks.exe or at.exe to add and modify task schedules 46->115 53 schtasks.exe 1 46->53         started        signatures16 process17 dnsIp18 77 116.202.185.202, 49716, 80 HETZNER-ASDE Germany 49->77 79 t.me 149.154.167.99, 443, 49715 TELEGRAMRU United Kingdom 49->79 97 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 49->97 99 Tries to harvest and steal browser information (history, passwords, etc) 49->99 101 Tries to steal Crypto Currency Wallets 49->101 55 cmd.exe 49->55         started        57 conhost.exe 53->57         started        signatures19 process20 process21 59 conhost.exe 55->59         started        61 timeout.exe 55->61         started       
Threat name:
Win32.Trojan.Rhadamathys
Status:
Malicious
First seen:
2023-03-29 01:18:27 UTC
File Type:
PE (Exe)
Extracted files:
35
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:5df88deb5dde677ba658b77ad5f60248 discovery persistence ransomware spyware stealer
Behaviour
Checks processor information in registry
Creates scheduled task(s)
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
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
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Detected Djvu ransomware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
http://zexeq.com/raud/get.php
https://steamcommunity.com/profiles/76561199489580435
https://t.me/tabootalks
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:SUSP_XORed_URL_in_EXE
Author:Florian Roth (Nextron Systems)
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:Windows_Ransomware_Stop_1e8d48ff
Author:Elastic Security
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 a92097460fb6fc1e6fe914c7bd3511d6035c79fe78ba76f991f4c14966cae17c

(this sample)

  
Delivery method
Distributed via web download

Comments