MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d8a27a66f4b7e29ea0cc3f360a345e95c7d6af7d1e946fc3d4af6b9806267155. 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: d8a27a66f4b7e29ea0cc3f360a345e95c7d6af7d1e946fc3d4af6b9806267155
SHA3-384 hash: d0ec87b19304be43bac63df9e684b7333afb2148661020f747f39c4b862b53d79b1c6152b7be0425ebc8aa9614a2c14e
SHA1 hash: ba88bdae1c6cd8cc856688576028d035bf600570
MD5 hash: 068fbec9d61f07aa58fcc83bb8acd771
humanhash: happy-mockingbird-uncle-mirror
File name:setup.exe
Download: download sample
Signature Stop
File size:820'736 bytes
First seen:2023-03-29 02:06:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 25babacd02a2b569479e22be1b5bfe7e (6 x Smoke Loader, 3 x Stop, 1 x Amadey)
ssdeep 12288:dwgMCSiQFiT7vICRfk5JexYAtFHYySfBOAwGDDG9OrTWj/Vsh//D/3:6CSZC7QSfk5JexYAkPTW/Vshj3
Threatray 2'312 similar samples on MalwareBazaar
TLSH T1D505F1129EE07820F61F56728F1ACAF4AB5EFC11DD557B6A0638EE3F09B2161C362315
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 0409191929210b29 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
280
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2023-03-29 02:10:01 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
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 crypter greyware lockbit packed ransomx
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.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 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: 836910 Sample: setup.exe Startdate: 29/03/2023 Architecture: WINDOWS Score: 100 91 Snort IDS alert for network traffic 2->91 93 Malicious sample detected (through community Yara rule) 2->93 95 Antivirus detection for URL or domain 2->95 97 10 other signatures 2->97 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 113 Detected unpacking (changes PE section rights) 12->113 115 Detected unpacking (overwrites its own PE header) 12->115 117 Writes a notice file (html or txt) to demand a ransom 12->117 119 Writes many files with high entropy 12->119 21 setup.exe 1 16 12->21         started        121 Injects a PE file into a foreign processes 17->121 25 setup.exe 17->25         started        123 Multi AV Scanner detection for dropped file 19->123 27 setup.exe 19->27         started        29 schtasks.exe 19->29         started        process5 dnsIp6 81 api.2ip.ua 162.0.217.254, 443, 49698, 49701 ACPCA Canada 21->81 83 192.168.2.1 unknown unknown 21->83 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 125 Injects a PE file into a foreign processes 31->125 38 setup.exe 1 25 31->38         started        process10 dnsIp11 85 zexeq.com 109.98.58.98, 49702, 49703, 49704 RTDBucharestRomaniaRO Romania 38->85 87 uaery.top 38->87 89 api.2ip.ua 38->89 67 StartUnifiedTileMo...che.dat.jywd (copy), DOS 38->67 dropped 69 C:\Users\...\StartUnifiedTileModelCache.dat, DOS 38->69 dropped 71 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 38->71 dropped 73 126 other malicious files 38->73 dropped 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 Detected unpacking (changes PE section rights) 43->107 109 Detected unpacking (overwrites its own PE header) 43->109 49 build2.exe 43->49         started        75 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 46->75 dropped 111 Uses schtasks.exe or at.exe to add and modify task schedules 46->111 53 schtasks.exe 1 46->53         started        signatures16 process17 dnsIp18 77 116.202.185.202, 49708, 80 HETZNER-ASDE Germany 49->77 79 t.me 149.154.167.99, 443, 49706 TELEGRAMRU United Kingdom 49->79 99 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 49->99 101 Tries to harvest and steal browser information (history, passwords, etc) 49->101 103 Tries to steal Crypto Currency Wallets 49->103 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 02:48:47 UTC
File Type:
PE (Exe)
Extracted files:
57
AV detection:
21 of 35 (60.00%)
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/test2/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 d8a27a66f4b7e29ea0cc3f360a345e95c7d6af7d1e946fc3d4af6b9806267155

(this sample)

  
Delivery method
Distributed via web download

Comments