MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d6d3b8afca43e956e5d243b5fe86ffc7c5e5eacf31974108035d2678bde1ac73. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d6d3b8afca43e956e5d243b5fe86ffc7c5e5eacf31974108035d2678bde1ac73
SHA3-384 hash: eb8b865b06c24a0b91e12fb20df707401759bfd8abb47ded71bf5bf21fc1a2a3250f660c93157ddb6b28530d8afad221
SHA1 hash: f70be98b51d7a9b450959491def15e7afc9d5b7b
MD5 hash: 8fd96a42e13b96a2229d048c5ba25f33
humanhash: ceiling-maine-vegan-march
File name:file.exe
Download: download sample
Signature Stop
Create hunting rule
File size:817'664 bytes
First seen:2023-06-04 00:29:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 382962f043b5a0413c587a899bceffb1 (5 x Stop, 2 x ArkeiStealer, 1 x RecordBreaker)
ssdeep 24576:XmZjsV2mJOK/ibC8sW89vZ7CSj9KxJ8fZRQWXLL1:XmeLx97vdPj9CBe
Threatray 1'929 similar samples on MalwareBazaar
TLSH T12205D01A72E36C55E9254A728E2EC6E87B1EFB518F1B77AF22046F1F04B10B1D172742
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 002040c0c4620000 (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:
stop
Create hunting rule
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2023-06-04 00:31:25 UTC
Tags:
ransomware stop loader stealer vidar trojan arkei
Link:
https://app.any.run/tasks/858dc842-5afb-432e-90fa-26fcbb3dc889

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/395373/
Detection(s):
SecuriteInfo.com.Win32.TrojanX-gen.10052.17428.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
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/647bdb0b68dcdbddf9d6bf1f/reports/5cc467de-6558-43b2-9666-12b3cca6215e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/d6d3b8afca43e956e5d243b5fe86ffc7c5e5eacf31974108035d2678bde1ac73
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/b8b3e79e-88ba-44e4-8ba2-9719c49243a2
Result
Threat name:
Babuk, Clipboard Hijacker, Djvu, Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1248293
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
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 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
Yara detected ZipBomb
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 881313 Sample: file.exe Startdate: 04/06/2023 Architecture: WINDOWS Score: 100 84 Snort IDS alert for network traffic 2->84 86 Found malware configuration 2->86 88 Malicious sample detected (through community Yara rule) 2->88 90 13 other signatures 2->90 11 file.exe 2->11         started        14 file.exe 2->14         started        16 file.exe 2->16         started        18 file.exe 2->18         started        process3 signatures4 102 Detected unpacking (changes PE section rights) 11->102 104 Detected unpacking (overwrites its own PE header) 11->104 106 Writes a notice file (html or txt) to demand a ransom 11->106 108 Writes many files with high entropy 11->108 20 file.exe 1 16 11->20         started        110 Multi AV Scanner detection for dropped file 14->110 112 Machine Learning detection for dropped file 14->112 114 Injects a PE file into a foreign processes 14->114 24 file.exe 13 14->24         started        26 file.exe 16->26         started        28 file.exe 18->28         started        process5 dnsIp6 74 api.2ip.ua 162.0.217.254, 443, 49699, 49700 ACPCA Canada 20->74 62 C:\Users\user\AppData\Local\...\file.exe, PE32 20->62 dropped 64 C:\Users\user\...\file.exe:Zone.Identifier, ASCII 20->64 dropped 30 file.exe 20->30         started        33 icacls.exe 20->33         started        76 95.158.162.200, 49704, 80 VIDEOSATBG Bulgaria 24->76 78 zexeq.com 24->78 file7 process8 signatures9 116 Injects a PE file into a foreign processes 30->116 35 file.exe 1 24 30->35         started        process10 dnsIp11 68 colisumy.com 187.147.166.168, 49702, 80 UninetSAdeCVMX Mexico 35->68 70 zexeq.com 177.254.85.20, 49703, 49705, 80 ColombiaMovilCO Colombia 35->70 72 api.2ip.ua 35->72 54 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 35->54 dropped 56 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 35->56 dropped 58 C:\_readme.txt, ASCII 35->58 dropped 60 129 other malicious files 35->60 dropped 92 Modifies existing user documents (likely ransomware behavior) 35->92 40 build2.exe 35->40         started        43 build3.exe 35->43         started        file12 signatures13 process14 file15 94 Detected unpacking (changes PE section rights) 40->94 96 Detected unpacking (overwrites its own PE header) 40->96 98 Injects a PE file into a foreign processes 40->98 46 build2.exe 40->46         started        66 C:\Users\user\AppData\Roaming\...\mstsca.exe, MS-DOS 43->66 dropped 100 Uses schtasks.exe or at.exe to add and modify task schedules 43->100 50 schtasks.exe 43->50         started        signatures16 process17 dnsIp18 80 t.me 149.154.167.99, 443, 49706 TELEGRAMRU United Kingdom 46->80 82 128.140.84.26, 3306, 49707 HETZNER-ASDE Germany 46->82 118 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 46->118 120 Tries to harvest and steal browser information (history, passwords, etc) 46->120 122 Tries to steal Crypto Currency Wallets 46->122 52 conhost.exe 50->52         started        signatures19 process20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d6d3b8afca43e956e5d243b5fe86ffc7c5e5eacf31974108035d2678bde1ac73/
Threat name:
Win32.Ransomware.Stop
Create hunting rule
Status:
Suspicious
First seen:
2023-06-03 23:58:15 UTC
File Type:
PE (Exe)
Extracted files:
65
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=23j3rl6kipuvnzosio275bx7y7c6l2wpggluccadluthrppbvrzq._file
Verdict:
malicious
Similar samples:
2831300675369e6ac5d928446186f83bedc4027fe6db617039e5b224258ed0b6
Stop
35ba91ddf0d41590d0de137bc1d6e5524d8a84ecfabdae793e6b3a499f2c67d4
Stop
6a455892dc6b808ff4f012010f20ad4bbf16b881b9c235d98c85565591289012
Stop
83c4c80adbeb1d8411e49c1d14a886af6a26c9fb9827d8852d4e45e4a5f09b17
Stop
a0038a7651f4408728f4a8c7a2abe43b237fc9dc6645fa34e5c4d9c212658878
Stop
b299675e7e4654beadcaa2c38a96bf8324bbde96904ede17fdd88ebb7fdf2748
Stop
d46fec4abba46efe6663f19c2d9963a612f4ff25023c0dc6fc5bb559f106859d
Stop
+ 1'919 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-atg48sba5s/
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
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/9d41871f-539d-47f5-8aca-d372f5d70d67/
Parent samples :
c402ab915a89ed76f00e7d86dd1fa1aa6ca69b7ca34344995c7ce3a1b51b7b25
d6d3b8afca43e956e5d243b5fe86ffc7c5e5eacf31974108035d2678bde1ac73
e91bc5755d9f1aa37e718b3f5350f7d1474e930898b177fe9cc1cc18c54ea296
55d5702e6d30bfef8c4c036744bfe2330137d52dc32ee3399b1375614f815a9b
db5a87871265beac473e5be77b89d354e8ecc5039a680c23403dd2e9ba9f4308
e2d46d2b425da9d93663333937e8c28c5464a4daaf3e6c59ca0bbcf4478160ce
8e50809f79d9ae944f80e9c4ce75e1dde928ddf4e34663607bccc7463d922f27
c041c2a6e4803095086cc704bb84f9c7b377c6c4720bc45f76fc93fb53beb1fd
90694193de42805e79e29e2dd0de34482f3e2c808bc7798def94ffdffafa71cc
21f88b697a09920cff8e006f16c4ff42b22cedbe894c8f0a0c381ef2f8f393ca
2bb69d10c71e28bbb51a7f6d261ee78b31c289abef0fdb8af28d6c7b4de5f5cc
SH256 hash:
d6d3b8afca43e956e5d243b5fe86ffc7c5e5eacf31974108035d2678bde1ac73
MD5 hash:
8fd96a42e13b96a2229d048c5ba25f33
SHA1 hash:
f70be98b51d7a9b450959491def15e7afc9d5b7b
Link:
https://www.unpac.me/results/9d41871f-539d-47f5-8aca-d372f5d70d67/
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d6d3b8afca43/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/d6d3b8afca43e956e5d243b5fe86ffc7c5e5eacf31974108035d2678bde1ac73

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:has_telegram_urls
Create hunting rule
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
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:Telegram_Links
Create hunting rule
Rule name:Vidar
Create hunting rule
Author:kevoreilly,rony
Description:Vidar Payload
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 d6d3b8afca43e956e5d243b5fe86ffc7c5e5eacf31974108035d2678bde1ac73

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/395373/
  
URLhaus
https://urlhaus.abuse.ch/url/2615181/

Comments