MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e8c752b8a016e8d4fc9723ada1498af8a3b3f46e89f3388782f4082575d3218. 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: 4e8c752b8a016e8d4fc9723ada1498af8a3b3f46e89f3388782f4082575d3218
SHA3-384 hash: e17d92c6dd68af8349877699c74fd1e3ada38a5a7c5cd41eb88750b55eb439484cb9b11b84e6cb4243e26af52ebfdae0
SHA1 hash: 8d2d811f969c05399f5990426bed94ee49f79b0b
MD5 hash: 2da755014502de2168f0e27edb8d587b
humanhash: white-earth-alpha-quebec
File name:02914099.exe
Download: download sample
Signature Stop
Create hunting rule
File size:810'496 bytes
First seen:2023-05-27 17:59:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 82b2bd7dc938b719df57a6b2df186152 (2 x Smoke Loader, 1 x TeamBot, 1 x Stop)
ssdeep 12288:o/eRcyNek9YK9jYk1MAmvgCVHEJUGH3seBHymAnstE6zuHnc1+FAM:DRcyNek9113oVHtGXseIDns26zicM+M
Threatray 868 similar samples on MalwareBazaar
TLSH T11A05D003D6D2FD50E9654A72CE2FD6EC761EF5508E493B6A22189F2F14703BAC163722
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 944a190342122200 (1 x Stop)
Reporter Neiki
Tags:Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
134
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
02914099.exe
Verdict:
Malicious activity
Analysis date:
2023-05-27 18:00:24 UTC
Tags:
ransomware stop stealer vidar trojan loader arkei
Link:
https://app.any.run/tasks/21fe29d8-ed33-4932-bb24-cca1723b9618

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/392614/
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
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
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/88252/overview
Behaviour
MalwareBazaar
SystemUptime
CPUID_Instruction
MeasuringTime
EvasionQueryPerformanceCounter
CheckCmdLine
EvasionGetTickCount
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/6472452b911b58d7bdd9ff42/reports/e1fc0408-db71-4ee1-8299-972cb938d4ac/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4e8c752b8a016e8d4fc9723ada1498af8a3b3f46e89f3388782f4082575d3218
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/3781e3a2-8a66-405e-9ac4-036cb5e26503
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/1243856
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 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 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: 876866 Sample: 02914099.exe Startdate: 27/05/2023 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 11 other signatures 2->96 11 02914099.exe 2->11         started        14 02914099.exe 2->14         started        16 02914099.exe 2->16         started        18 02914099.exe 2->18         started        process3 signatures4 108 Detected unpacking (changes PE section rights) 11->108 110 Detected unpacking (overwrites its own PE header) 11->110 112 Writes a notice file (html or txt) to demand a ransom 11->112 114 Writes many files with high entropy 11->114 20 02914099.exe 1 16 11->20         started        24 mstsca.exe 11->24         started        116 Multi AV Scanner detection for dropped file 14->116 118 Machine Learning detection for dropped file 14->118 120 Injects a PE file into a foreign processes 14->120 26 02914099.exe 12 14->26         started        28 02914099.exe 16->28         started        30 02914099.exe 18->30         started        process5 dnsIp6 74 api.2ip.ua 162.0.217.254, 443, 49721, 49722 ACPCA Canada 20->74 62 C:\Users\user\AppData\Local\...\02914099.exe, PE32 20->62 dropped 64 C:\Users\...\02914099.exe:Zone.Identifier, ASCII 20->64 dropped 32 02914099.exe 20->32         started        35 icacls.exe 20->35         started        37 schtasks.exe 24->37         started        file7 process8 signatures9 88 Injects a PE file into a foreign processes 32->88 39 02914099.exe 1 25 32->39         started        44 conhost.exe 37->44         started        process10 dnsIp11 82 zexeq.com 175.119.10.231, 49723, 49726, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 39->82 84 colisumy.com 210.182.29.70, 49724, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 39->84 86 api.2ip.ua 39->86 66 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 39->66 dropped 68 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 39->68 dropped 70 C:\_readme.txt, ASCII 39->70 dropped 72 323 other malicious files 39->72 dropped 104 Infects executable files (exe, dll, sys, html) 39->104 106 Modifies existing user documents (likely ransomware behavior) 39->106 46 build2.exe 39->46         started        49 build3.exe 39->49         started        file12 signatures13 process14 file15 122 Detected unpacking (changes PE section rights) 46->122 124 Detected unpacking (overwrites its own PE header) 46->124 126 Injects a PE file into a foreign processes 46->126 52 build2.exe 46->52         started        60 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 49->60 dropped 128 Uses schtasks.exe or at.exe to add and modify task schedules 49->128 56 schtasks.exe 49->56         started        signatures16 process17 dnsIp18 76 t.me 149.154.167.99, 443, 49727 TELEGRAMRU United Kingdom 52->76 78 188.34.154.187, 30303, 49728 HETZNER-ASDE Germany 52->78 80 192.168.2.1 unknown unknown 52->80 98 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 52->98 100 Tries to harvest and steal browser information (history, passwords, etc) 52->100 102 Tries to steal Crypto Currency Wallets 52->102 58 conhost.exe 56->58         started        signatures19 process20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4e8c752b8a016e8d4fc9723ada1498af8a3b3f46e89f3388782f4082575d3218/
Threat name:
Win32.Trojan.InstaBot
Create hunting rule
Status:
Malicious
First seen:
2023-05-27 18:00:06 UTC
File Type:
PE (Exe)
Extracted files:
56
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=j2ghkk4kafxi2t6joi5nufeyv6fdwp2g5cpthcdyf5aiev25gima._file
Verdict:
malicious
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+ 858 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:e44c96dfdf315ccf17cdd4b93cfe6e48 discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/230527-wla7lscf34/
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/76561199508624021
https://t.me/looking_glassbot
Gathering data
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4e8c752b8a01/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/4e8c752b8a016e8d4fc9723ada1498af8a3b3f46e89f3388782f4082575d3218

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 4e8c752b8a016e8d4fc9723ada1498af8a3b3f46e89f3388782f4082575d3218

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/392614/
  
URLhaus
https://urlhaus.abuse.ch/url/2615181/
  
Delivery method
Distributed via web download

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