MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 357c64963cffaa26e1664c54a4288a2afc7080e323286096fc493efd92a07bda. 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: 18


Intelligence 18 IOCs YARA 6 File information Comments

SHA256 hash: 357c64963cffaa26e1664c54a4288a2afc7080e323286096fc493efd92a07bda
SHA3-384 hash: be73eaced96e381a2d72bfcd761267218ab311354f87a8a71cabd8b5754b335941dd52e61d2c03dfd476e5ba5fdf33c3
SHA1 hash: e7d9a12f6bdbf6e6e0a6f81f7d74b37a02054c38
MD5 hash: 677720603e1349224db415f558f3407d
humanhash: white-princess-batman-uncle
File name:setup.exe
Download: download sample
Signature Stop
File size:708'096 bytes
First seen:2023-04-06 01:26:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 71666ce513898b08ba38dfa1dc35ec76 (3 x Stop, 2 x Smoke Loader, 2 x Rhadamanthys)
ssdeep 12288:nwkMGqRrfieTbQvuBqH5AvY58hShkqQx/kqDUT+oeSJP15UFF+sg0+sGyMH8y0:wk8hfZIvuQHoYa4hk7x/wCYPEFosL20
Threatray 1'613 similar samples on MalwareBazaar
TLSH T170E412217DE2C8B2D34384355C41CCF1793E7CA2C69699A773583FAA7E719C0192B3A6
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 0022a280c0603008 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
275
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2023-04-06 01:29:50 UTC
Tags:
ransomware stop loader stealer vidar trojan

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
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
CPUID_Instruction
MeasuringTime
CheckCmdLine
EvasionQueryPerformanceCounter
EvasionGetTickCount
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
greyware 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:
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 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: 842259 Sample: setup.exe Startdate: 06/04/2023 Architecture: WINDOWS Score: 100 83 Snort IDS alert for network traffic 2->83 85 Multi AV Scanner detection for domain / URL 2->85 87 Malicious sample detected (through community Yara rule) 2->87 89 9 other signatures 2->89 11 setup.exe 2->11         started        14 mstsca.exe 2->14         started        16 setup.exe 2->16         started        process3 signatures4 95 Detected unpacking (changes PE section rights) 11->95 97 Detected unpacking (overwrites its own PE header) 11->97 99 Writes a notice file (html or txt) to demand a ransom 11->99 101 2 other signatures 11->101 18 setup.exe 1 16 11->18         started        22 schtasks.exe 14->22         started        process5 dnsIp6 69 api.2ip.ua 162.0.217.254, 443, 49694, 49695 ACPCA Canada 18->69 61 C:\Users\user\...\setup.exe:Zone.Identifier, ASCII 18->61 dropped 63 C:\Users\user\AppData\Local\...\setup.exe, MS-DOS 18->63 dropped 24 setup.exe 18->24         started        27 icacls.exe 18->27         started        29 conhost.exe 22->29         started        file7 process8 signatures9 93 Injects a PE file into a foreign processes 24->93 31 setup.exe 1 25 24->31         started        process10 dnsIp11 75 uaery.top 95.158.162.200, 49696, 80 VIDEOSATBG Bulgaria 31->75 77 zexeq.com 185.95.186.58, 49697, 49698, 80 NEXTNET-ASIQ Iraq 31->77 79 api.2ip.ua 31->79 53 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 31->53 dropped 55 C:\_readme.txt, ASCII 31->55 dropped 57 C:\Users\user\_readme.txt, ASCII 31->57 dropped 59 287 other files (155 malicious) 31->59 dropped 81 Modifies existing user documents (likely ransomware behavior) 31->81 36 build2.exe 31->36         started        38 build3.exe 1 31->38         started        file12 signatures13 process14 file15 42 build2.exe 36->42         started        65 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 38->65 dropped 91 Uses schtasks.exe or at.exe to add and modify task schedules 38->91 46 schtasks.exe 1 38->46         started        signatures16 process17 dnsIp18 71 195.201.253.86, 49700, 80 HETZNER-ASDE Germany 42->71 73 t.me 149.154.167.99, 443, 49699 TELEGRAMRU United Kingdom 42->73 103 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 42->103 105 Tries to harvest and steal browser information (history, passwords, etc) 42->105 107 Tries to steal Crypto Currency Wallets 42->107 48 WerFault.exe 42->48         started        51 conhost.exe 46->51         started        signatures19 process20 dnsIp21 67 192.168.2.1 unknown unknown 48->67
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2023-04-06 01:11:52 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:b12e0b8009914d9dfb3d1b8ced1d3a65 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/76561199492257783
https://t.me/justsometg
Unpacked files
SH256 hash:
62c004a4f5b92e5242b92e3f78806d30880690ae3ae22f76fa3bb32dda1a848b
MD5 hash:
f31ac4b1ad4d51a5c837b0c56d423fae
SHA1 hash:
850f31a7fd15914531b1519704e6a7b22560f826
Detections:
win_stop_auto
SH256 hash:
357c64963cffaa26e1664c54a4288a2afc7080e323286096fc493efd92a07bda
MD5 hash:
677720603e1349224db415f558f3407d
SHA1 hash:
e7d9a12f6bdbf6e6e0a6f81f7d74b37a02054c38
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 357c64963cffaa26e1664c54a4288a2afc7080e323286096fc493efd92a07bda

(this sample)

  
Delivery method
Distributed via web download

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