MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6bb90befd2e45a6caaa4ccd0b47dfa0453b28f0b89c62f78c628e1936fdcb49a. 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: 6bb90befd2e45a6caaa4ccd0b47dfa0453b28f0b89c62f78c628e1936fdcb49a
SHA3-384 hash: 7455fdeb0f8a774d2be32f5f0d26bb3c0520a68c937b84d4e1378723a9834c4f6ff0ab8c034329a084bcd44b0d560fc9
SHA1 hash: d05f38482d73fc5d92ee999bde4d7b3480bc3d44
MD5 hash: d6101261ce3fe1bacf8327849fd1214f
humanhash: early-charlie-louisiana-alabama
File name:setup.exe
Download: download sample
Signature Stop
File size:768'000 bytes
First seen:2023-03-30 01:01:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fde2d3c5c6b5080c428e56f6f2289988 (2 x Stop, 2 x Rhadamanthys, 1 x Amadey)
ssdeep 12288:9lfFXsJiB9vELsqQoHq/CZaIi/f25N8raOT9pJZA2VTxXLB42d14Ern04jfQ3Qf7:9lyCosD+q/CXLN8rdpJ37XHPtKLv4T
TLSH T1CAF41212B792D472C51A11BD4410DA745E3EBDB4AB6ACECB374847BF1E303C19A7632A
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 40741b0c0e038124 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
284
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2023-03-30 01:02:54 UTC
Tags:
ransomware stop loader stealer vidar trojan

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
Deleting a recently created file
Sending a custom TCP request
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:
  9/10
Tags:
n/a
Behaviour
MalwareBazaar
SystemUptime
CPUID_Instruction
MeasuringTime
EvasionQueryPerformanceCounter
EvasionGetTickCount
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed ursnif
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, HTMLPhi
Detection:
malicious
Classification:
rans.spre.phis.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 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 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 HtmlPhish10
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 837723 Sample: setup.exe Startdate: 30/03/2023 Architecture: WINDOWS Score: 100 90 Snort IDS alert for network traffic 2->90 92 Malicious sample detected (through community Yara rule) 2->92 94 Antivirus detection for URL or domain 2->94 96 10 other signatures 2->96 11 setup.exe 2->11         started        14 setup.exe 2->14         started        16 setup.exe 2->16         started        18 4 other processes 2->18 process3 signatures4 108 Detected unpacking (changes PE section rights) 11->108 110 Detected unpacking (overwrites its own PE header) 11->110 112 Writes a notice file (html or txt) to demand a ransom 11->112 118 2 other signatures 11->118 20 setup.exe 1 16 11->20         started        24 WerFault.exe 11->24         started        114 Injects a PE file into a foreign processes 16->114 26 setup.exe 16->26         started        116 Multi AV Scanner detection for dropped file 18->116 28 setup.exe 18->28         started        30 schtasks.exe 18->30         started        process5 dnsIp6 78 api.2ip.ua 162.0.217.254, 443, 49682, 49683 ACPCA Canada 20->78 60 C:\Users\user\...\setup.exe:Zone.Identifier, ASCII 20->60 dropped 62 C:\Users\user\AppData\Local\...\setup.exe, MS-DOS 20->62 dropped 32 setup.exe 20->32         started        35 icacls.exe 20->35         started        80 192.168.2.1 unknown unknown 26->80 37 conhost.exe 30->37         started        file7 process8 signatures9 88 Injects a PE file into a foreign processes 32->88 39 setup.exe 1 24 32->39         started        process10 dnsIp11 82 uaery.top 46.195.124.102, 49684, 80 TELENOR-NEXTELTelenorNorgeASNO Sweden 39->82 84 zexeq.com 185.95.186.58, 49685, 49686, 80 NEXTNET-ASIQ Iraq 39->84 86 api.2ip.ua 39->86 64 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 39->64 dropped 66 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 39->66 dropped 68 C:\_readme.txt, ASCII 39->68 dropped 70 204 other malicious files 39->70 dropped 104 Infects executable files (exe, dll, sys, html) 39->104 106 Modifies existing user documents (likely ransomware behavior) 39->106 44 build2.exe 39->44         started        47 build3.exe 1 39->47         started        file12 signatures13 process14 file15 120 Detected unpacking (changes PE section rights) 44->120 122 Detected unpacking (overwrites its own PE header) 44->122 124 Injects a PE file into a foreign processes 44->124 50 build2.exe 44->50         started        72 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 47->72 dropped 126 Uses schtasks.exe or at.exe to add and modify task schedules 47->126 54 schtasks.exe 1 47->54         started        signatures16 process17 dnsIp18 74 116.202.185.202, 49693, 80 HETZNER-ASDE Germany 50->74 76 t.me 149.154.167.99, 443, 49692 TELEGRAMRU United Kingdom 50->76 98 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 50->98 100 Tries to harvest and steal browser information (history, passwords, etc) 50->100 102 Tries to steal Crypto Currency Wallets 50->102 56 WerFault.exe 50->56         started        58 conhost.exe 54->58         started        signatures19 process20
Threat name:
Win32.Trojan.RedLine
Status:
Malicious
First seen:
2023-03-30 00:50:38 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
23 of 24 (95.83%)
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 6bb90befd2e45a6caaa4ccd0b47dfa0453b28f0b89c62f78c628e1936fdcb49a

(this sample)

  
Delivery method
Distributed via web download

Comments