MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c263e2ca68a69bfa1cb3a474741bc00132b197c737aa8dd172b2719c740f47c2. 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: c263e2ca68a69bfa1cb3a474741bc00132b197c737aa8dd172b2719c740f47c2
SHA3-384 hash: 4e4c6428f0cdf1229819d7682ddd666c4fd61f26ce90390ec9ab07f81e966d6b0edf01903425279695d8c315ad648647
SHA1 hash: 8e4cab266b0e1a050a68ab016080aa57e389a58b
MD5 hash: 44e9f8fb607e0670d74fdcaf4672b79e
humanhash: chicken-speaker-batman-stairway
File name:setup.exe
Download: download sample
Signature Stop
File size:821'760 bytes
First seen:2023-03-29 02:08:49 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:yYCRZ7xAybQIUdTfeK3mVL3BhC75055rdr6wFBe3RDVFHg:YZ7xT8rdL1WVSSzkwFBe3RDTA
Threatray 1'564 similar samples on MalwareBazaar
TLSH T1A205F1022EA07861F11F46728E1EC7F46B6EBC20DE157B6A1278EE7F09B1671C263715
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 2161092d21112d11 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
292
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
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Sending an HTTP GET request
Sending a custom TCP 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
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: 836915 Sample: setup.exe Startdate: 29/03/2023 Architecture: WINDOWS Score: 100 83 Snort IDS alert for network traffic 2->83 85 Malicious sample detected (through community Yara rule) 2->85 87 Antivirus detection for URL or domain 2->87 89 10 other signatures 2->89 11 setup.exe 2->11         started        14 setup.exe 2->14         started        16 setup.exe 2->16         started        18 setup.exe 2->18         started        process3 signatures4 109 Detected unpacking (changes PE section rights) 11->109 111 Detected unpacking (overwrites its own PE header) 11->111 113 Writes a notice file (html or txt) to demand a ransom 11->113 115 Writes many files with high entropy 11->115 20 setup.exe 1 16 11->20         started        117 Injects a PE file into a foreign processes 16->117 24 setup.exe 16->24         started        process5 dnsIp6 75 api.2ip.ua 162.0.217.254, 443, 49701, 49702 ACPCA Canada 20->75 63 C:\Users\user\...\setup.exe:Zone.Identifier, ASCII 20->63 dropped 65 C:\Users\user\AppData\Local\...\setup.exe, MS-DOS 20->65 dropped 26 setup.exe 20->26         started        29 build2.exe 20->29         started        32 icacls.exe 20->32         started        file7 process8 dnsIp9 101 Injects a PE file into a foreign processes 26->101 34 setup.exe 1 25 26->34         started        77 116.202.185.202, 49713, 80 HETZNER-ASDE Germany 29->77 79 t.me 149.154.167.99, 443, 49712 TELEGRAMRU United Kingdom 29->79 81 192.168.2.1 unknown unknown 29->81 103 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 29->103 105 Tries to harvest and steal browser information (history, passwords, etc) 29->105 107 Tries to steal Crypto Currency Wallets 29->107 39 cmd.exe 29->39         started        signatures10 process11 dnsIp12 69 uaery.top 211.171.233.126, 49703, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 34->69 71 zexeq.com 80.210.25.252, 49705, 49711, 80 DCI-ASIR Iran (ISLAMIC Republic Of) 34->71 73 api.2ip.ua 34->73 55 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 34->55 dropped 57 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 34->57 dropped 59 C:\_readme.txt, ASCII 34->59 dropped 61 116 other malicious files 34->61 dropped 91 Modifies existing user documents (likely ransomware behavior) 34->91 41 build2.exe 34->41         started        44 build3.exe 1 34->44         started        47 conhost.exe 39->47         started        49 timeout.exe 39->49         started        file13 signatures14 process15 file16 93 Detected unpacking (changes PE section rights) 41->93 95 Detected unpacking (overwrites its own PE header) 41->95 97 Injects a PE file into a foreign processes 41->97 67 C:\Users\user\AppData\Roaming\...\mstsca.exe, MS-DOS 44->67 dropped 99 Uses schtasks.exe or at.exe to add and modify task schedules 44->99 51 schtasks.exe 1 44->51         started        signatures17 process18 process19 53 conhost.exe 51->53         started       
Threat name:
Win32.Trojan.InstaBot
Status:
Malicious
First seen:
2023-03-28 22:05:46 UTC
File Type:
PE (Exe)
Extracted files:
57
AV detection:
17 of 24 (70.83%)
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 c263e2ca68a69bfa1cb3a474741bc00132b197c737aa8dd172b2719c740f47c2

(this sample)

  
Delivery method
Distributed via web download

Comments