MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f28ce3b4b981b2f248a5773385c3477f1cab187f99a68d0a8a9032e840af8c0. 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

SHA256 hash: 3f28ce3b4b981b2f248a5773385c3477f1cab187f99a68d0a8a9032e840af8c0
SHA3-384 hash: 4d0af58b6bc329fe49b9a8a4b6c98450fd62410817feca8a224736ee306672bcb20854dbebee4d8f12837aa05859bf08
SHA1 hash: f2bf30b2935aebe75f68d2e57ccae512421acee3
MD5 hash: 7f32cdd1db495a336145bca2758b2e06
humanhash: angel-pasta-summer-nevada
File name:7f32cdd1db495a336145bca2758b2e06.exe
Download: download sample
Signature Stop
File size:745'984 bytes
First seen:2022-11-04 09:01:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ca7da7b616d2b4d3a277aecb32a135a5 (8 x RedLineStealer, 7 x Smoke Loader, 2 x Stop)
ssdeep 12288:y4JXV/frvX99kKYUOCSsO+k5P7sVXAzE/UKxUbj2Q4l2FuRABxaB5:yU3rnnSL7aXYEMKq1Fg5
TLSH T1F7F412027581D072D47A59B09811D7B56FBBB87009768BEF7F9806BC9F352D2AF22207
TrID 40.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
17.0% (.SCR) Windows screen saver (13097/50/3)
13.6% (.EXE) Win64 Executable (generic) (10523/12/4)
8.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon c8d8d8c8e0e4a099 (4 x Smoke Loader, 2 x Tofsee, 1 x Amadey)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://95.217.245.254/

Intelligence


File Origin
# of uploads :
1
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
7f32cdd1db495a336145bca2758b2e06.exe
Verdict:
Malicious activity
Analysis date:
2022-11-04 09:03:58 UTC
Tags:
trojan loader ransomware stop stealer vidar

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
Сreating synchronization primitives
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in 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 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 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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 737926 Sample: ntbtZBL4MO.exe Startdate: 04/11/2022 Architecture: WINDOWS Score: 100 98 Snort IDS alert for network traffic 2->98 100 Multi AV Scanner detection for domain / URL 2->100 102 Malicious sample detected (through community Yara rule) 2->102 104 9 other signatures 2->104 12 ntbtZBL4MO.exe 2->12         started        15 ntbtZBL4MO.exe 2->15         started        17 ntbtZBL4MO.exe 2->17         started        19 2 other processes 2->19 process3 signatures4 114 Writes a notice file (html or txt) to demand a ransom 12->114 116 Writes many files with high entropy 12->116 118 Injects a PE file into a foreign processes 12->118 21 ntbtZBL4MO.exe 1 16 12->21         started        25 ntbtZBL4MO.exe 12 15->25         started        27 ntbtZBL4MO.exe 17->27         started        29 ntbtZBL4MO.exe 19->29         started        31 schtasks.exe 19->31         started        process5 dnsIp6 86 api.2ip.ua 162.0.217.254, 443, 49700, 49703 ACPCA Canada 21->86 88 192.168.2.1 unknown unknown 21->88 70 C:\Users\...\ntbtZBL4MO.exe:Zone.Identifier, ASCII 21->70 dropped 72 C:\Users\user\AppData\...\ntbtZBL4MO.exe, MS-DOS 21->72 dropped 33 ntbtZBL4MO.exe 21->33         started        36 icacls.exe 21->36         started        38 conhost.exe 31->38         started        file7 process8 signatures9 96 Injects a PE file into a foreign processes 33->96 40 ntbtZBL4MO.exe 1 25 33->40         started        process10 dnsIp11 90 uaery.top 211.40.39.251, 49704, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 40->90 92 fresherlights.com 200.46.66.71, 49705, 49708, 80 CableOndaPA Panama 40->92 94 api.2ip.ua 40->94 74 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 40->74 dropped 76 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 40->76 dropped 78 C:\_readme.txt, ASCII 40->78 dropped 80 128 other malicious files 40->80 dropped 112 Modifies existing user documents (likely ransomware behavior) 40->112 45 build2.exe 40->45         started        48 build3.exe 40->48         started        file12 signatures13 process14 file15 120 Injects a PE file into a foreign processes 45->120 51 build2.exe 45->51         started        66 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 48->66 dropped 122 Uses schtasks.exe or at.exe to add and modify task schedules 48->122 56 schtasks.exe 48->56         started        signatures16 process17 dnsIp18 82 t.me 149.154.167.99, 443, 49713 TELEGRAMRU United Kingdom 51->82 84 95.217.245.254, 49714, 80 HETZNER-ASDE Germany 51->84 68 C:\ProgramData\sqlite3.dll, PE32 51->68 dropped 106 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 51->106 108 Tries to harvest and steal browser information (history, passwords, etc) 51->108 110 Tries to steal Crypto Currency Wallets 51->110 58 cmd.exe 51->58         started        60 conhost.exe 56->60         started        file19 signatures20 process21 process22 62 conhost.exe 58->62         started        64 timeout.exe 58->64         started       
Threat name:
Win32.Trojan.RedLine
Status:
Malicious
First seen:
2022-11-04 00:31:38 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:djvu 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 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
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://fresherlights.com/test1/get.php
Verdict:
Informative
Tags:
n/a
YARA:
n/a
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
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 3f28ce3b4b981b2f248a5773385c3477f1cab187f99a68d0a8a9032e840af8c0

(this sample)

  
Delivery method
Distributed via web download

Comments