MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 486ab4d9e0a524b8f734a9e45821538c31e18c7632af8e0765dc417b9a87c64d. 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: 14


Intelligence 14 IOCs 1 YARA 5 File information Comments

SHA256 hash: 486ab4d9e0a524b8f734a9e45821538c31e18c7632af8e0765dc417b9a87c64d
SHA3-384 hash: acb38c05727a94da4179fa10a50586a83eb541960f6c261b422ca77fd09e3eefb21fcc7cb3b3eea897dc40acbb2d052b
SHA1 hash: 89fd3b0e1b43b6d8822b945367320455527592b3
MD5 hash: 4c61e7904c598361feb91b1dd9f6dcd8
humanhash: music-cola-emma-beryllium
File name:4c61e7904c598361feb91b1dd9f6dcd8.exe
Download: download sample
Signature Stop
File size:898'560 bytes
First seen:2022-02-17 19:41:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 921a9f9e070714675440d5c35a1e22d5 (1 x ArkeiStealer, 1 x Stop)
ssdeep 12288:UO9h1sStPpYVnyL9NR1HTa7gPAPPGg5UO9r9Fm5b5+4qA8799DsFIsR:XNpYBwRdXImgRr9F0b5T873D6T
Threatray 832 similar samples on MalwareBazaar
TLSH T131150150AAA0D038F57706F47575D3AC792E7EB19B2480CF62C63ADA56346E0ECB431B
File icon (PE):PE icon
dhash icon e8e8e8e8aa62a499 (21 x RaccoonStealer, 11 x ArkeiStealer, 4 x RedLineStealer)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://fuyt.org/test2/get.php

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://fuyt.org/test2/get.php https://threatfox.abuse.ch/ioc/388512/

Intelligence


File Origin
# of uploads :
1
# of downloads :
293
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://www.mypcbackup.com/download
Verdict:
Malicious activity
Analysis date:
2022-02-13 12:44:51 UTC
Tags:
trojan evasion loader rat redline phishing opendir stealer vidar arkei ransomware stop

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
DNS request
Sending a custom TCP request
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
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware 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:
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
Found malware configuration
Found ransom note / readme
Injects a PE file into a foreign processes
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
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 574368 Sample: lmyCoZarD4.exe Startdate: 17/02/2022 Architecture: WINDOWS Score: 100 54 Multi AV Scanner detection for domain / URL 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 5 other signatures 2->60 8 lmyCoZarD4.exe 2->8         started        11 lmyCoZarD4.exe 2->11         started        13 lmyCoZarD4.exe 2->13         started        15 lmyCoZarD4.exe 2->15         started        process3 signatures4 64 Injects a PE file into a foreign processes 8->64 17 lmyCoZarD4.exe 19 8->17         started        22 lmyCoZarD4.exe 1 17 11->22         started        66 Multi AV Scanner detection for dropped file 13->66 68 Contains functionality to inject code into remote processes 13->68 24 lmyCoZarD4.exe 13 13->24         started        26 lmyCoZarD4.exe 13 15->26         started        process5 dnsIp6 48 fuyt.org 177.134.223.63, 49783, 80 TELEFONICABRASILSABR Brazil 17->48 36 C:\_readme.txt, ASCII 17->36 dropped 38 C:\Users\user\...\lmyCoZarD4.exe.qnty (copy), MS-DOS 17->38 dropped 40 C:\Users\user\Desktop\lmyCoZarD4.exe, MS-DOS 17->40 dropped 46 3 other malicious files 17->46 dropped 62 Modifies existing user documents (likely ransomware behavior) 17->62 50 api.2ip.ua 77.123.139.190, 443, 49752, 49762 VOLIA-ASUA Ukraine 22->50 42 C:\Users\user\AppData\...\lmyCoZarD4.exe, PE32 22->42 dropped 44 C:\Users\...\lmyCoZarD4.exe:Zone.Identifier, ASCII 22->44 dropped 28 lmyCoZarD4.exe 22->28         started        31 icacls.exe 22->31         started        file7 signatures8 process9 signatures10 70 Injects a PE file into a foreign processes 28->70 33 lmyCoZarD4.exe 13 28->33         started        process11 dnsIp12 52 api.2ip.ua 33->52
Threat name:
Win32.Trojan.Azorult
Status:
Malicious
First seen:
2022-02-14 02:22:00 UTC
File Type:
PE (Exe)
Extracted files:
34
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:517 discovery persistence ransomware spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
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
Vidar Stealer
Detected Djvu ransomware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
http://fuyt.org/test2/get.php
https://mastodon.online@k1llerniax
https://koyu.space/@k1llerni2x
Unpacked files
SH256 hash:
a538c83a8083dc5e88cc707500a7f3842cf44d2a812d774ff81fb82050ad9c48
MD5 hash:
437f9d13548c57345071b86417aec9e1
SHA1 hash:
472dfa125da3792edde1d10b07ee935479edb3d0
Detections:
win_stop_auto
SH256 hash:
486ab4d9e0a524b8f734a9e45821538c31e18c7632af8e0765dc417b9a87c64d
MD5 hash:
4c61e7904c598361feb91b1dd9f6dcd8
SHA1 hash:
89fd3b0e1b43b6d8822b945367320455527592b3
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
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:win_stop_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stop.
Rule name:XOREngine_Misc_XOR_Func
Author:smiller cc @florian @wesley idea on implementation with yara's built in XOR function
Description:Use with care, https://twitter.com/cyb3rops/status/1237042104406355968

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments