MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3fc5ec3d73e71e85e59c72759b672017bd71f79e2f00b87635ecfecdaec9b3a8. 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: 3fc5ec3d73e71e85e59c72759b672017bd71f79e2f00b87635ecfecdaec9b3a8
SHA3-384 hash: 1bd5e9ba017c057a4ab9dad4184d511287dac2573744fcf9991cb1e4b2006ce1fb00309bd98a505bdb5bcbbccea3b360
SHA1 hash: 0326e12f82560cfb2f1f618dc61803c774be6d8a
MD5 hash: 0886ebd9e5b7f5bda0393dfe8d5a893e
humanhash: ceiling-quebec-fillet-music
File name:file.exe
Download: download sample
Signature Stop
Create hunting rule
File size:824'832 bytes
First seen:2023-05-07 00:13:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash cb0d32ad83907c8b5d9a97a27bcf3623 (2 x Rhadamanthys, 1 x Stop, 1 x Smoke Loader)
ssdeep 12288:lcaHLYlAMyVbaGFhTDKM+cT4IdwoSt36LMdEykfNQaA/VOPJJniGqrKzAvL:7HjMAbDhwcEIeXEV1QaAYbmKET
Threatray 700 similar samples on MalwareBazaar
TLSH T17705F20376E2B831EE130A324E1AC6A47A6EFD918F556ADB27557F1F0D705E0C632B12
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 0020408042622100 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
267
Origin country :
US US
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2023-05-07 00:15:38 UTC
Tags:
ransomware stop
Link:
https://app.any.run/tasks/4dde21d2-570b-4ca9-adb2-a7324b008ceb

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/387185/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Sending a custom TCP request
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
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/3fc5ec3d73e71e85e59c72759b672017bd71f79e2f00b87635ecfecdaec9b3a8
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a76e7727-2f89-4b3a-9619-f04066ad74e5
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/1227603
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
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 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: 860567 Sample: file.exe Startdate: 07/05/2023 Architecture: WINDOWS Score: 100 92 Snort IDS alert for network traffic 2->92 94 Multi AV Scanner detection for domain / URL 2->94 96 Found malware configuration 2->96 98 12 other signatures 2->98 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->114 120 2 other signatures 11->120 20 file.exe 1 18 11->20         started        116 Injects a PE file into a foreign processes 14->116 24 file.exe 15 14->24         started        26 file.exe 16->26         started        118 Multi AV Scanner detection for dropped file 18->118 28 schtasks.exe 18->28         started        process5 dnsIp6 74 api.2ip.ua 162.0.217.254, 443, 49699, 49700 ACPCA Canada 20->74 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        76 zexeq.com 24->76 78 192.168.2.1 unknown unknown 24->78 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 80 colisumy.com 211.40.39.251, 49704, 49712, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 37->80 82 zexeq.com 211.104.254.139, 49702, 49705, 80 KIXS-AS-KRKoreaTelecomKR Korea Republic of 37->82 84 api.2ip.ua 37->84 60 StartUnifiedTileMo...che.dat.qopz (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 66 125 other files (124 malicious) 37->66 dropped 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, 49707 TELEGRAMRU United Kingdom 48->70 72 49.12.34.6, 1010, 49709 HETZNER-ASDE Germany 48->72 86 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 48->86 88 Tries to harvest and steal browser information (history, passwords, etc) 48->88 90 Tries to steal Crypto Currency Wallets 48->90 54 conhost.exe 52->54         started        signatures19 process20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3fc5ec3d73e71e85e59c72759b672017bd71f79e2f00b87635ecfecdaec9b3a8/
Threat name:
Win32.Trojan.SmokeLoader
Create hunting rule
Status:
Malicious
First seen:
2023-05-06 23:53:37 UTC
File Type:
PE (Exe)
Extracted files:
61
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h7c6yplt44pilzm4oj2zwzzac66xd546f4alq5rv5t7m3lwjwoua._file
Verdict:
malicious
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+ 690 additional samples on MalwareBazaar
Result
Malware family:
djvu
Create hunting rule
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware
Link:
https://tria.ge/reports/230507-ajbvgadc8y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Modifies file permissions
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://zexeq.com/test1/get.php
Unpacked files
SH256 hash:
3775716a5cb0bc806a49f59e58f3d38e8b2754f326424c8d9a6b879835c436e0
MD5 hash:
2b64d9836bcd771b42e46bc0596508c7
SHA1 hash:
e9c832e34bd2dc3181957a12529f52f79907d334
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/6abe2487-5b81-42df-ae3a-3fb8019eb39b/
Parent samples :
3fc5ec3d73e71e85e59c72759b672017bd71f79e2f00b87635ecfecdaec9b3a8
ee871953192d79c2a1a9a7a0141419c9ac42b79e1eec17514e3e4edd18010ac4
7201687dfb39aa50e4154a4c7cdcc5c0f6559d2c33eddf10b88b3b08f2042bd0
SH256 hash:
3fc5ec3d73e71e85e59c72759b672017bd71f79e2f00b87635ecfecdaec9b3a8
MD5 hash:
0886ebd9e5b7f5bda0393dfe8d5a893e
SHA1 hash:
0326e12f82560cfb2f1f618dc61803c774be6d8a
Link:
https://www.unpac.me/results/6abe2487-5b81-42df-ae3a-3fb8019eb39b/
Malware family:
Djvu
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3fc5ec3d73e7/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/3fc5ec3d73e71e85e59c72759b672017bd71f79e2f00b87635ecfecdaec9b3a8

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
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
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 3fc5ec3d73e71e85e59c72759b672017bd71f79e2f00b87635ecfecdaec9b3a8

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/387185/

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