MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 128fa047e83a40698640ec9ccc30af053cd2a93ef4be583f02ca8e6ae5c97e6c. 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: 17


Intelligence 17 IOCs YARA 7 File information Comments

SHA256 hash: 128fa047e83a40698640ec9ccc30af053cd2a93ef4be583f02ca8e6ae5c97e6c
SHA3-384 hash: f1c6e2d3f17627853a97bc8f5e26456d30eef6e427a5ee677daaeb4312665d878a5ddf5c2ddb7a18633a39d4a9d4b879
SHA1 hash: 85720e255f20401fa95eb302cb0cd1e8e05ed30e
MD5 hash: 643ced7b8fe7f7be8a88a511b44f147e
humanhash: maine-timing-glucose-batman
File name:file
Download: download sample
Signature Stop
File size:710'656 bytes
First seen:2023-04-03 14:53:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash bb60398211b18fadc0393d4c1e0d3fbd (1 x Stop, 1 x Rhadamanthys, 1 x LummaStealer)
ssdeep 12288:Kb4luw3purT0vUCg0x/O+6iMYwnKZTFspS+K6Hxmp4EO2r7:KbhwLMFl+67YwceHVh2r
TLSH T162E41220B4D3FCF2D1128474193AC6E67B3CB8721B65CED73B140B2E6F662D05A6B256
TrID 39.5% (.EXE) InstallShield setup (43053/19/16)
28.6% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
9.6% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 0080445032120700 (1 x Stop)
Reporter jstrosch
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
265
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-04-03 14:58:37 UTC
Tags:
installer ransomware stop loader stealer vidar trojan

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
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Сreating synchronization primitives
Sending a custom TCP request
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
Behaviour
MalwareBazaar
CPUID_Instruction
MeasuringTime
SystemUptime
EvasionQueryPerformanceCounter
CheckCmdLine
EvasionGetTickCount
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware lockbit packed ransomx ursnif
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
Verdict:
Malicious
Result
Threat name:
Clipboard Hijacker, Djvu, Vidar
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
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 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
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 840082 Sample: file.exe Startdate: 03/04/2023 Architecture: WINDOWS Score: 100 95 Snort IDS alert for network traffic 2->95 97 Multi AV Scanner detection for domain / URL 2->97 99 Malicious sample detected (through community Yara rule) 2->99 101 10 other signatures 2->101 12 file.exe 2->12         started        15 file.exe 2->15         started        17 file.exe 2->17         started        19 file.exe 2->19         started        process3 signatures4 111 Detected unpacking (changes PE section rights) 12->111 113 Detected unpacking (overwrites its own PE header) 12->113 115 Writes a notice file (html or txt) to demand a ransom 12->115 117 Writes many files with high entropy 12->117 21 file.exe 1 16 12->21         started        119 Injects a PE file into a foreign processes 15->119 25 file.exe 12 15->25         started        27 file.exe 17->27         started        29 file.exe 19->29         started        process5 dnsIp6 81 api.2ip.ua 162.0.217.254, 443, 49705, 49708 ACPCA Canada 21->81 69 C:\Users\user\AppData\Local\...\file.exe, PE32 21->69 dropped 71 C:\Users\user\...\file.exe:Zone.Identifier, ASCII 21->71 dropped 31 file.exe 21->31         started        34 icacls.exe 21->34         started        file7 process8 signatures9 121 Injects a PE file into a foreign processes 31->121 36 file.exe 1 25 31->36         started        process10 dnsIp11 75 uaery.top 123.140.161.243, 49709, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 36->75 77 zexeq.com 5.53.224.16, 49710, 49712, 80 IBGCBG Bulgaria 36->77 79 api.2ip.ua 36->79 61 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 36->61 dropped 63 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 36->63 dropped 65 C:\_readme.txt, ASCII 36->65 dropped 67 119 other malicious files 36->67 dropped 103 Modifies existing user documents (likely ransomware behavior) 36->103 41 build2.exe 36->41         started        44 build3.exe 36->44         started        file12 signatures13 process14 file15 105 Detected unpacking (changes PE section rights) 41->105 107 Detected unpacking (overwrites its own PE header) 41->107 47 build2.exe 41->47         started        73 C:\Users\user\AppData\Roaming\...\mstsca.exe, MS-DOS 44->73 dropped 109 Uses schtasks.exe or at.exe to add and modify task schedules 44->109 51 schtasks.exe 44->51         started        signatures16 process17 dnsIp18 83 78.47.168.170, 49716, 80 HETZNER-ASDE Germany 47->83 85 t.me 149.154.167.99, 443, 49715 TELEGRAMRU United Kingdom 47->85 87 192.168.2.1 unknown unknown 47->87 89 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 47->89 91 Tries to harvest and steal browser information (history, passwords, etc) 47->91 93 Tries to steal Crypto Currency Wallets 47->93 53 cmd.exe 47->53         started        55 conhost.exe 51->55         started        signatures19 process20 process21 57 conhost.exe 53->57         started        59 timeout.exe 53->59         started       
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2023-04-03 14:54:08 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:5df88deb5dde677ba658b77ad5f60248 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
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/test2/get.php
https://steamcommunity.com/profiles/76561199489580435
https://t.me/tabootalks
Unpacked files
SH256 hash:
128fa047e83a40698640ec9ccc30af053cd2a93ef4be583f02ca8e6ae5c97e6c
MD5 hash:
643ced7b8fe7f7be8a88a511b44f147e
SHA1 hash:
85720e255f20401fa95eb302cb0cd1e8e05ed30e
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:Suspicious_Macro_Presence
Author:Mehmet Ali Kerimoglu (CYB3RMX)
Description:This rule detects common malicious/suspicious implementations.
Rule name:SUSP_XORed_URL_in_EXE
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
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 128fa047e83a40698640ec9ccc30af053cd2a93ef4be583f02ca8e6ae5c97e6c

(this sample)

  
Delivery method
Distributed via web download

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