MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c402ab915a89ed76f00e7d86dd1fa1aa6ca69b7ca34344995c7ce3a1b51b7b25. 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: 16


Intelligence 16 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c402ab915a89ed76f00e7d86dd1fa1aa6ca69b7ca34344995c7ce3a1b51b7b25
SHA3-384 hash: dd18b692f76d07e3dc279a3ad8e21f867485ca2e5d5a5ca6f8748f8185df24aa2188c5d7f01dfa30376165ebf030ebb0
SHA1 hash: 1295fde3ea7bd272c63ee4e0b9d229de48eb2166
MD5 hash: fc573931de5bc1a3b8fd58ec0c2f6b57
humanhash: purple-social-bacon-montana
File name:file.exe
Download: download sample
Signature Stop
Create hunting rule
File size:818'176 bytes
First seen:2023-06-04 00:26:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 08b56125ba7e99bd17ba88b830247aad (2 x Stop, 1 x ArkeiStealer, 1 x RedLineStealer)
ssdeep 12288:xlvmOdMTGkLd+7kH0s7/V5Nh4nBY80PyZMKpSHPdLQAWwlHYh6kQzxpR:xlPdCLdIkUsR5NSnq8ZMqc3HYoT
Threatray 1'927 similar samples on MalwareBazaar
TLSH T1D505E01262E37F74E5174A728E1E82E87A1EFB918F173BAF12176E5F04B11B1C162781
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 0018180713180800 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
274
Origin country :
US US
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2023-06-04 00:28:25 UTC
Tags:
ransomware stop
Link:
https://app.any.run/tasks/0b0aad16-bbf6-4ea4-8fe9-10005ff0fc51

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
STOP
Create hunting rule
Link:
https://www.capesandbox.com/analysis/395369/
Detection(s):
SecuriteInfo.com.Win32.Evo-gen.5951.8501.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/647bda576838af3de39f518f/reports/6a9b28b6-5d35-489c-b3a5-6da574aa1b55/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c402ab915a89ed76f00e7d86dd1fa1aa6ca69b7ca34344995c7ce3a1b51b7b25
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/058e199f-822a-42be-b597-5a6b3af60524
Result
Threat name:
Babuk, Clipboard Hijacker, Djvu, Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1248292
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 malware configuration
Found ransom note / readme
Infects executable files (exe, dll, sys, html)
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
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 known network protocols on non-standard ports
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 881312 Sample: file.exe Startdate: 04/06/2023 Architecture: WINDOWS Score: 100 90 Snort IDS alert for network traffic 2->90 92 Multi AV Scanner detection for domain / URL 2->92 94 Found malware configuration 2->94 96 12 other signatures 2->96 11 file.exe 2->11         started        14 file.exe 2->14         started        16 file.exe 2->16         started        18 mstsca.exe 2->18         started        process3 signatures4 110 Detected unpacking (changes PE section rights) 11->110 112 Detected unpacking (overwrites its own PE header) 11->112 114 Writes a notice file (html or txt) to demand a ransom 11->114 116 Writes many files with high entropy 11->116 20 file.exe 1 17 11->20         started        118 Injects a PE file into a foreign processes 14->118 24 file.exe 13 14->24         started        26 file.exe 16->26         started        120 Multi AV Scanner detection for dropped file 18->120 28 schtasks.exe 18->28         started        process5 dnsIp6 76 api.2ip.ua 162.0.217.254, 443, 49698, 49699 ACPCA Canada 20->76 56 C:\Users\user\...\file.exe:Zone.Identifier, ASCII 20->56 dropped 58 C:\Users\user\AppData\Local\...\file.exe, MS-DOS 20->58 dropped 30 file.exe 20->30         started        33 icacls.exe 20->33         started        35 conhost.exe 28->35         started        file7 process8 signatures9 122 Injects a PE file into a foreign processes 30->122 37 file.exe 1 25 30->37         started        process10 dnsIp11 78 zexeq.com 211.171.233.129, 49700, 49701, 49703 LGDACOMLGDACOMCorporationKR Korea Republic of 37->78 80 colisumy.com 37->80 82 api.2ip.ua 37->82 60 StartUnifiedTileMo...che.dat.nerz (copy), DOS 37->60 dropped 62 C:\Users\...\StartUnifiedTileModelCache.dat, DOS 37->62 dropped 64 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 37->64 dropped 66 143 other malicious files 37->66 dropped 98 Infects executable files (exe, dll, sys, html) 37->98 100 Modifies existing user documents (likely ransomware behavior) 37->100 42 build2.exe 37->42         started        45 build3.exe 37->45         started        file12 signatures13 process14 file15 102 Detected unpacking (changes PE section rights) 42->102 104 Detected unpacking (overwrites its own PE header) 42->104 106 Injects a PE file into a foreign processes 42->106 48 build2.exe 42->48         started        68 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 45->68 dropped 108 Uses schtasks.exe or at.exe to add and modify task schedules 45->108 52 schtasks.exe 45->52         started        signatures16 process17 dnsIp18 70 t.me 149.154.167.99, 443, 49704 TELEGRAMRU United Kingdom 48->70 72 128.140.84.26, 3306, 49705 HETZNER-ASDE Germany 48->72 74 192.168.2.1 unknown unknown 48->74 84 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 48->84 86 Tries to harvest and steal browser information (history, passwords, etc) 48->86 88 Tries to steal Crypto Currency Wallets 48->88 54 conhost.exe 52->54         started        signatures19 process20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c402ab915a89ed76f00e7d86dd1fa1aa6ca69b7ca34344995c7ce3a1b51b7b25/
Threat name:
Win32.Ransomware.Stop
Create hunting rule
Status:
Suspicious
First seen:
2023-06-04 00:27:05 UTC
File Type:
PE (Exe)
Extracted files:
65
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yqbkxek2rhwxn4aopwdn2h5bvjwkng34unbujgk4ptr2dni3pmsq._file
Verdict:
malicious
Similar samples:
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Stop
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+ 1'917 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:77a63e71a10ee1d81a28b5c866b75922 discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/230604-arrwnaba4x/
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 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/test1/get.php
https://steamcommunity.com/profiles/76561199510444991
https://t.me/task4manager
Unpacked files
SH256 hash:
82a907d43d97d9426c8bcb21ba10d2232d774942618cc6e136a1e064ec7d1410
MD5 hash:
6d249d9582aa18274262fe80e21766ea
SHA1 hash:
5fe207eedc629060e6a30444051472555c1d32d5
Detections:
djvu_ransomware
Create hunting rule
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/ccac3f4c-1c15-4532-aa3c-b5a34633bad1/
Parent samples :
c402ab915a89ed76f00e7d86dd1fa1aa6ca69b7ca34344995c7ce3a1b51b7b25
d6d3b8afca43e956e5d243b5fe86ffc7c5e5eacf31974108035d2678bde1ac73
e91bc5755d9f1aa37e718b3f5350f7d1474e930898b177fe9cc1cc18c54ea296
55d5702e6d30bfef8c4c036744bfe2330137d52dc32ee3399b1375614f815a9b
db5a87871265beac473e5be77b89d354e8ecc5039a680c23403dd2e9ba9f4308
e2d46d2b425da9d93663333937e8c28c5464a4daaf3e6c59ca0bbcf4478160ce
8e50809f79d9ae944f80e9c4ce75e1dde928ddf4e34663607bccc7463d922f27
c041c2a6e4803095086cc704bb84f9c7b377c6c4720bc45f76fc93fb53beb1fd
90694193de42805e79e29e2dd0de34482f3e2c808bc7798def94ffdffafa71cc
21f88b697a09920cff8e006f16c4ff42b22cedbe894c8f0a0c381ef2f8f393ca
2bb69d10c71e28bbb51a7f6d261ee78b31c289abef0fdb8af28d6c7b4de5f5cc
SH256 hash:
c402ab915a89ed76f00e7d86dd1fa1aa6ca69b7ca34344995c7ce3a1b51b7b25
MD5 hash:
fc573931de5bc1a3b8fd58ec0c2f6b57
SHA1 hash:
1295fde3ea7bd272c63ee4e0b9d229de48eb2166
Link:
https://www.unpac.me/results/ccac3f4c-1c15-4532-aa3c-b5a34633bad1/
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c402ab915a89/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c402ab915a89ed76f00e7d86dd1fa1aa6ca69b7ca34344995c7ce3a1b51b7b25

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:MALWARE_Win_STOP
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:Windows_Ransomware_Stop_1e8d48ff
Create hunting rule
Author:Elastic Security
Rule name:win_stop_auto
Create hunting rule
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 c402ab915a89ed76f00e7d86dd1fa1aa6ca69b7ca34344995c7ce3a1b51b7b25

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2615181/
Cape
Cape
https://www.capesandbox.com/analysis/395369/

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