MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d6fa27ddc043e34425a257f7e5a4af46e12209b838e6ba0587800fbaa58bd303. 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 YARA 6 File information Comments

SHA256 hash: d6fa27ddc043e34425a257f7e5a4af46e12209b838e6ba0587800fbaa58bd303
SHA3-384 hash: e3cdb83dc09a2ae4c6db3faa9ecab12d1219caeac1d9d49599e16e2c363d8c1e59c37fb896d77d47e847d6722fb71448
SHA1 hash: 39a7977331083393844fce96e5750ce6ad240698
MD5 hash: 095047dfc19e7420c48dedcdef234ae6
humanhash: west-mobile-beer-four
File name:setup.exe
Download: download sample
Signature Stop
File size:775'168 bytes
First seen:2023-03-23 01:41:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0c7d5e3cc418522bc761bfea9cf074f4 (5 x Smoke Loader, 4 x RedLineStealer, 2 x Stop)
ssdeep 12288:GzuyNAtFsbhYnaR9WEb34ixSyasJv7U8QDW4N0EYKTwZM+lBvWRFq:GKtFCa2fJa+zci4ylK87/vWR
Threatray 1'429 similar samples on MalwareBazaar
TLSH T15BF4011252D37860EF2747329E1EC7F42B2EB9608E177E6E224DEA3F0CB11A1D562715
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 0221290401100305 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
259
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2023-03-23 01:44:37 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
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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware 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:
Babuk, Clipboard Hijacker, Djvu, Vidar
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
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 Vidar stealer
Yara detected ZipBomb
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 832935 Sample: setup.exe Startdate: 23/03/2023 Architecture: WINDOWS Score: 100 82 Snort IDS alert for network traffic 2->82 84 Multi AV Scanner detection for domain / URL 2->84 86 Malicious sample detected (through community Yara rule) 2->86 88 11 other signatures 2->88 11 setup.exe 2->11         started        14 setup.exe 2->14         started        16 setup.exe 2->16         started        18 3 other processes 2->18 process3 signatures4 98 Detected unpacking (changes PE section rights) 11->98 100 Detected unpacking (overwrites its own PE header) 11->100 102 Writes a notice file (html or txt) to demand a ransom 11->102 104 Writes many files with high entropy 11->104 20 setup.exe 1 16 11->20         started        106 Sample uses process hollowing technique 14->106 108 Injects a PE file into a foreign processes 14->108 24 setup.exe 14->24         started        26 setup.exe 18->26         started        process5 dnsIp6 74 api.2ip.ua 162.0.217.254, 443, 49682, 49685 ACPCA Canada 20->74 76 192.168.2.1 unknown unknown 20->76 62 C:\Users\user\...\setup.exe:Zone.Identifier, ASCII 20->62 dropped 64 C:\Users\user\AppData\Local\...\setup.exe, MS-DOS 20->64 dropped 28 setup.exe 20->28         started        31 icacls.exe 20->31         started        file7 process8 signatures9 110 Injects a PE file into a foreign processes 28->110 33 setup.exe 1 25 28->33         started        process10 dnsIp11 68 uaery.top 175.119.10.231, 49687, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 33->68 70 zexeq.com 190.140.74.43, 49686, 49688, 80 CableOndaPA Panama 33->70 72 api.2ip.ua 33->72 54 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 33->54 dropped 56 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 33->56 dropped 58 C:\_readme.txt, ASCII 33->58 dropped 60 130 other malicious files 33->60 dropped 90 Modifies existing user documents (likely ransomware behavior) 33->90 38 build2.exe 33->38         started        41 build3.exe 1 33->41         started        file12 signatures13 process14 file15 92 Detected unpacking (changes PE section rights) 38->92 94 Detected unpacking (overwrites its own PE header) 38->94 44 build2.exe 18 38->44         started        66 C:\Users\user\AppData\Roaming\...\mstsca.exe, MS-DOS 41->66 dropped 96 Uses schtasks.exe or at.exe to add and modify task schedules 41->96 48 schtasks.exe 1 41->48         started        signatures16 process17 dnsIp18 78 t.me 149.154.167.99, 443, 49690 TELEGRAMRU United Kingdom 44->78 80 195.201.45.203, 49691, 80 HETZNER-ASDE Germany 44->80 112 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 44->112 114 Tries to harvest and steal browser information (history, passwords, etc) 44->114 116 Tries to steal Crypto Currency Wallets 44->116 50 WerFault.exe 44->50         started        52 conhost.exe 48->52         started        signatures19 process20
Threat name:
Win32.Trojan.Pwsx
Status:
Malicious
First seen:
2023-03-23 09:18:00 UTC
File Type:
PE (Exe)
Extracted files:
43
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar 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
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 d6fa27ddc043e34425a257f7e5a4af46e12209b838e6ba0587800fbaa58bd303

(this sample)

  
Delivery method
Distributed via web download

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