MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da7cbbf56f929fa425250a13156cc82ab540353716578558acd23f7ee6f5406f. 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: da7cbbf56f929fa425250a13156cc82ab540353716578558acd23f7ee6f5406f
SHA3-384 hash: 7df2b42a7d1946f73aa7a64150ebe74995fdfa4015a91c54ecc6f6ddb4e4c3a8167320f7ae114d6c3a19252df69d8d9f
SHA1 hash: 707b27dc0ff68ce7cf26ca680f7dc4ab54f510a0
MD5 hash: d4c246f1ee4e36d912907f0bf639f735
humanhash: cup-mango-johnny-alaska
File name:setup.exe
Download: download sample
Signature Stop
File size:731'648 bytes
First seen:2023-03-24 01:32:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 8d9508e89d467f2b8f17cb75c34b216a (3 x Stop, 1 x RedLineStealer)
ssdeep 12288:Ufvdq8mi7ZdL3im+p27nm3DH3uAvYwVXTlEAFyfu1GX9QS5Zp4Wb:EWY827nMAwVXTlETjxZpn
Threatray 1'489 similar samples on MalwareBazaar
TLSH T189F412223B90F4B3C94B89748418D7A1693E3D321BA5865B332C137E5E3C7D5DA6A327
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 0094c4c8248a8a80 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
262
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2023-03-24 01:34:27 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
Searching for the window
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
Sending a custom TCP request
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
SystemUptime
MeasuringTime
CPUID_Instruction
CheckCmdLine
EvasionQueryPerformanceCounter
EvasionGetTickCount
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware lockbit 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, HTMLPhi
Detection:
malicious
Classification:
rans.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
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 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 HtmlPhish10
Yara detected Vidar stealer
Yara detected ZipBomb
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 833833 Sample: setup.exe Startdate: 24/03/2023 Architecture: WINDOWS Score: 100 81 Snort IDS alert for network traffic 2->81 83 Malicious sample detected (through community Yara rule) 2->83 85 Antivirus detection for URL or domain 2->85 87 12 other signatures 2->87 12 setup.exe 2->12         started        15 mstsca.exe 2->15         started        17 setup.exe 2->17         started        process3 signatures4 95 Detected unpacking (changes PE section rights) 12->95 97 Detected unpacking (overwrites its own PE header) 12->97 99 Writes a notice file (html or txt) to demand a ransom 12->99 103 3 other signatures 12->103 19 setup.exe 1 16 12->19         started        101 Multi AV Scanner detection for dropped file 15->101 23 schtasks.exe 15->23         started        process5 dnsIp6 75 api.2ip.ua 162.0.217.254, 443, 49691, 49692 ACPCA Canada 19->75 63 C:\Users\user\...\setup.exe:Zone.Identifier, ASCII 19->63 dropped 65 C:\Users\user\AppData\Local\...\setup.exe, MS-DOS 19->65 dropped 25 setup.exe 19->25         started        28 icacls.exe 19->28         started        30 conhost.exe 23->30         started        file7 process8 signatures9 93 Injects a PE file into a foreign processes 25->93 32 setup.exe 1 24 25->32         started        process10 dnsIp11 69 uaery.top 222.236.49.124, 49693, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 32->69 71 zexeq.com 80.210.25.252, 49694, 49695, 80 DCI-ASIR Iran (ISLAMIC Republic Of) 32->71 73 2 other IPs or domains 32->73 55 OneDriveMedTile.co...150.png.tywd (copy), COM 32->55 dropped 57 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 32->57 dropped 59 C:\_readme.txt, ASCII 32->59 dropped 61 208 other files (207 malicious) 32->61 dropped 89 Modifies existing user documents (likely ransomware behavior) 32->89 37 build2.exe 32->37         started        39 build3.exe 1 32->39         started        file12 signatures13 process14 file15 43 build2.exe 37->43         started        67 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 39->67 dropped 91 Uses schtasks.exe or at.exe to add and modify task schedules 39->91 47 schtasks.exe 1 39->47         started        signatures16 process17 dnsIp18 77 t.me 149.154.167.99, 443, 49703 TELEGRAMRU United Kingdom 43->77 79 195.201.45.203, 49705, 80 HETZNER-ASDE Germany 43->79 105 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 43->105 107 Tries to harvest and steal browser information (history, passwords, etc) 43->107 109 Tries to steal Crypto Currency Wallets 43->109 49 WerFault.exe 43->49         started        51 conhost.exe 47->51         started        signatures19 process20 process21 53 WerFault.exe 51->53         started       
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2023-03-23 15:09:26 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
22 of 24 (91.67%)
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/test2/get.php
https://steamcommunity.com/profiles/76561199472266392
https://t.me/tabootalks
http://135.181.26.183:80
Unpacked files
SH256 hash:
55c0548cb65388c832a83b1e7a288e025605ab8a7361a81871ced16aba8e2c18
MD5 hash:
8e509e7a654c2cb66aebd6dbe396a9ff
SHA1 hash:
4d3d432a08c2d9b1204b0e65276378004095b50b
Detections:
win_stop_auto
SH256 hash:
da7cbbf56f929fa425250a13156cc82ab540353716578558acd23f7ee6f5406f
MD5 hash:
d4c246f1ee4e36d912907f0bf639f735
SHA1 hash:
707b27dc0ff68ce7cf26ca680f7dc4ab54f510a0
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 da7cbbf56f929fa425250a13156cc82ab540353716578558acd23f7ee6f5406f

(this sample)

  
Delivery method
Distributed via web download

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