MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d21afc25b1e3c40194e0197a14b179210ed01e5a1fc481b540de3d46fd04b1a6. 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 YARA 6 File information Comments

SHA256 hash: d21afc25b1e3c40194e0197a14b179210ed01e5a1fc481b540de3d46fd04b1a6
SHA3-384 hash: 4df70c7a50f668ec1bc9334ee79f618dcf291deb97c337bee298706119084176777b05698eba2c9759e55bdf0f68e5ed
SHA1 hash: 65ed675bc02bb404326dcc98503b5398a49ec671
MD5 hash: dd47e8acc1a1b632a715c95c110a92f1
humanhash: massachusetts-vegan-lake-asparagus
File name:setup.exe
Download: download sample
Signature Stop
File size:768'000 bytes
First seen:2023-03-24 01:00:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 57a1d123edd8232af2119d11a9d551b0 (4 x Stop, 1 x TeamBot)
ssdeep 12288:EbYOOYO/4431o8lw7nQNPKo8LWjhL3ZdDEpFHigzswIWCCYDOPEgLrA1rUm93+4j:IKwE1LdRCWjhL3HAfA3UYyEgL8Amys5/
Threatray 2'760 similar samples on MalwareBazaar
TLSH T12AF412027BA9D1B3E7A7053649A0D5745C7AB87007A54ACBB78047BE0E38FD24E72787
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 001171184c6c7810 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
255
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2023-03-24 01:00:56 UTC
Tags:
loader ransomware stop

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

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Sending an HTTP GET request
Creating a file
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Сreating synchronization primitives
Deleting a recently created file
DNS 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
MeasuringTime
SystemUptime
CPUID_Instruction
EvasionGetTickCount
CheckCmdLine
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware lockbit packed
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:
Clipboard Hijacker, Djvu, Vidar
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found ransom note / readme
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 Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Yara detected ZipBomb
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 833804 Sample: setup.exe Startdate: 24/03/2023 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 8 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->112 114 Writes many files with high entropy 11->114 20 setup.exe 1 16 11->20         started        116 Injects a PE file into a foreign processes 16->116 24 setup.exe 16->24         started        118 Multi AV Scanner detection for dropped file 18->118 26 setup.exe 18->26         started        28 schtasks.exe 18->28         started        process5 dnsIp6 76 api.2ip.ua 162.0.217.254, 443, 49695, 49696 ACPCA Canada 20->76 58 C:\Users\user\...\setup.exe:Zone.Identifier, ASCII 20->58 dropped 60 C:\Users\user\AppData\Local\...\setup.exe, MS-DOS 20->60 dropped 30 setup.exe 20->30         started        33 icacls.exe 20->33         started        35 conhost.exe 28->35         started        file7 process8 signatures9 120 Injects a PE file into a foreign processes 30->120 37 setup.exe 1 25 30->37         started        process10 dnsIp11 78 uaery.top 138.36.3.134, 49697, 80 TEXNETSERVICOSDECOMUNICACAOEMINFORMATICALTDBR Brazil 37->78 80 zexeq.com 123.140.161.243, 49698, 49699, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 37->80 82 api.2ip.ua 37->82 62 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 37->62 dropped 64 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 37->64 dropped 66 C:\_readme.txt, ASCII 37->66 dropped 68 139 other malicious files 37->68 dropped 98 Modifies existing user documents (likely ransomware behavior) 37->98 42 build2.exe 37->42         started        45 build3.exe 1 37->45         started        file12 signatures13 process14 file15 100 Detected unpacking (changes PE section rights) 42->100 102 Detected unpacking (overwrites its own PE header) 42->102 104 Injects a PE file into a foreign processes 42->104 48 build2.exe 18 42->48         started        70 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 45->70 dropped 106 Uses schtasks.exe or at.exe to add and modify task schedules 45->106 52 schtasks.exe 45->52         started        signatures16 process17 dnsIp18 72 t.me 149.154.167.99, 443, 49703 TELEGRAMRU United Kingdom 48->72 74 195.201.45.203, 49710, 80 HETZNER-ASDE Germany 48->74 84 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 48->84 86 Tries to harvest and steal browser information (history, passwords, etc) 48->86 88 Tries to steal Crypto Currency Wallets 48->88 54 WerFault.exe 48->54         started        56 conhost.exe 52->56         started        signatures19 process20
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2023-03-24 01:01:16 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:00d92484c9b27bc8482a2cc94cacc508 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/76561199472266392
https://t.me/tabootalks
http://135.181.26.183:80
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 d21afc25b1e3c40194e0197a14b179210ed01e5a1fc481b540de3d46fd04b1a6

(this sample)

  
Delivery method
Distributed via web download

Comments