MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25496980921ecc62c35f5c9a763cdf6967dad79208712cce62e7e1d7f71e5e1d. 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 5 File information Comments

SHA256 hash: 25496980921ecc62c35f5c9a763cdf6967dad79208712cce62e7e1d7f71e5e1d
SHA3-384 hash: ab37b3cc5500db7d6a950a52239e4cbe25f859c89093d4545683c62f4ca0d19a17ee70e355705843d0cdba8e80416ee3
SHA1 hash: d17e2ac66a9e3a4dce8d2f471b943ac6ea600e1b
MD5 hash: 51c7e0efb85278b12512865fafb9f6dd
humanhash: oregon-oranges-india-bluebird
File name:file.exe
Download: download sample
Signature Stop
File size:817'152 bytes
First seen:2023-06-04 00:24:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 08b56125ba7e99bd17ba88b830247aad (2 x Stop, 1 x ArkeiStealer, 1 x RedLineStealer)
ssdeep 12288:Fr8/uX8a1c7be8xzPMpfa7mcu3s3GY0lLJ9950bg9G8QsawRtGiBcdqEZEjQNHb2:Fr1Ma1/8d0Smd3wc57Ug95QshM5X7Z7
Threatray 899 similar samples on MalwareBazaar
TLSH T19C05D01362E37C51E6274AB18E1EC7E86E1EFB518F1B37FB1214AE2F05711A1C562B42
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 00000030300a0800 (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:
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2023-06-04 00:25:24 UTC
Tags:
ransomware stop stealer vidar trojan loader arkei

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Sending a custom TCP request
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:
  8/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
SystemUptime
EvasionGetTickCount
EvasionQueryPerformanceCounter
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed
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:
Babuk, Djvu
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
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 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
Writes a notice file (html or txt) to demand a ransom
Yara detected Babuk Ransomware
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 881308 Sample: file.exe Startdate: 04/06/2023 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic 2->56 58 Multi AV Scanner detection for domain / URL 2->58 60 Found malware configuration 2->60 62 8 other signatures 2->62 8 file.exe 2->8         started        11 file.exe 2->11         started        13 file.exe 2->13         started        15 file.exe 2->15         started        process3 signatures4 66 Multi AV Scanner detection for dropped file 8->66 68 Detected unpacking (changes PE section rights) 8->68 70 Detected unpacking (overwrites its own PE header) 8->70 76 2 other signatures 8->76 17 file.exe 1 19 8->17         started        72 Contains functionality to inject code into remote processes 11->72 74 Injects a PE file into a foreign processes 11->74 22 file.exe 1 17 11->22         started        24 file.exe 13 13->24         started        26 file.exe 15->26         started        process5 dnsIp6 48 zexeq.com 177.254.85.20, 49687, 80 ColombiaMovilCO Colombia 17->48 36 C:\Users\user\_readme.txt, ASCII 17->36 dropped 38 C:\Users\user\Desktop\file.exe.neon (copy), MS-DOS 17->38 dropped 40 C:\Users\user\Desktop\file.exe, MS-DOS 17->40 dropped 46 4 other malicious files 17->46 dropped 64 Modifies existing user documents (likely ransomware behavior) 17->64 50 api.2ip.ua 162.0.217.254, 443, 49684, 49685 ACPCA Canada 22->50 42 C:\Users\user\AppData\Local\...\file.exe, PE32 22->42 dropped 44 C:\Users\user\...\file.exe:Zone.Identifier, ASCII 22->44 dropped 28 file.exe 22->28         started        31 icacls.exe 22->31         started        52 192.168.2.1 unknown unknown 24->52 file7 signatures8 process9 signatures10 78 Injects a PE file into a foreign processes 28->78 33 file.exe 13 28->33         started        process11 dnsIp12 54 api.2ip.ua 33->54
Threat name:
Win32.Trojan.Smokeloader
Status:
Suspicious
First seen:
2023-06-04 00:25:06 UTC
File Type:
PE (Exe)
Extracted files:
65
AV detection:
23 of 37 (62.16%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:77a63e71a10ee1d81a28b5c866b75922 discovery persistence ransomware spyware stealer
Behaviour
Checks processor information in registry
Creates scheduled task(s)
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/raud/get.php
https://steamcommunity.com/profiles/76561199510444991
https://t.me/task4manager
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: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 25496980921ecc62c35f5c9a763cdf6967dad79208712cce62e7e1d7f71e5e1d

(this sample)

  
Delivery method
Distributed via web download

Comments