MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 54f94f7d533214086d2d2400b3b9b4d95e44d785334b5e47bf85ee0db24fd49b. 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 YARA 5 File information Comments

SHA256 hash: 54f94f7d533214086d2d2400b3b9b4d95e44d785334b5e47bf85ee0db24fd49b
SHA3-384 hash: 500af8cd37d845da9d7eb744eb0bdcb4b05fc79f1cd75312be21c9c780ff58f5f9491c6949c17e771a3dfdf429f7388a
SHA1 hash: af3bd455eefb0cf105891e7d5db4308aad384a94
MD5 hash: 9e5b2087a8c52568a9444a83d0bbfa87
humanhash: twelve-alaska-cold-johnny
File name:54f94f7d533214086d2d2400b3b9b4d95e44d785334b5e47bf85ee0db24fd49b
Download: download sample
Signature Stop
File size:776'192 bytes
First seen:2022-03-28 06:12:41 UTC
Last seen:2022-03-29 06:26:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 85ab2e60dd2898af34be3c600a19c140 (6 x RedLineStealer, 3 x Stop, 1 x ArkeiStealer)
ssdeep 12288:f580obgqdYT01d8Muw8FafmAbln9IvdtA/QafOqjiwTNn8CwjTS6Kne:f580oUqdpyMZbotATfhhKjye
Threatray 947 similar samples on MalwareBazaar
TLSH T1FFF423023942DD35C0157131B46E95A1667B86343ED73A861BC2A2BF9F342C6E3FD366
File icon (PE):PE icon
dhash icon 5c595a3ce0c1c850 (5 x Stop, 5 x RedLineStealer, 3 x Smoke Loader)
Reporter JAMESWT_WT
Tags:exe Stop

Intelligence


File Origin
# of uploads :
2
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Query of malicious DNS domain
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
SystemUptime
MeasuringTime
EvasionQueryPerformanceCounter
EvasionGetTickCount
CheckCmdLine
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:
Djvu Vidar
Detection:
malicious
Classification:
rans.spre.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Contains functionality to inject code into remote processes
Found many strings related to Crypto-Wallets (likely being stolen)
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 submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Tries to steal Mail credentials (via file / registry access)
Writes many files with high entropy
Yara detected Djvu Ransomware
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 598004 Sample: yWoKGWMqfA Startdate: 28/03/2022 Architecture: WINDOWS Score: 100 96 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->96 98 Multi AV Scanner detection for domain / URL 2->98 100 Malicious sample detected (through community Yara rule) 2->100 102 10 other signatures 2->102 12 yWoKGWMqfA.exe 2->12         started        15 yWoKGWMqfA.exe 2->15         started        17 yWoKGWMqfA.exe 2->17         started        19 yWoKGWMqfA.exe 2->19         started        process3 signatures4 110 Contains functionality to inject code into remote processes 12->110 112 Writes many files with high entropy 12->112 114 Injects a PE file into a foreign processes 12->114 21 yWoKGWMqfA.exe 1 16 12->21         started        25 yWoKGWMqfA.exe 15->25         started        28 yWoKGWMqfA.exe 12 17->28         started        30 yWoKGWMqfA.exe 12 19->30         started        process5 dnsIp6 84 api.2ip.ua 162.0.218.244, 443, 49749, 49750 ACPCA Canada 21->84 58 C:\Users\...\yWoKGWMqfA.exe:Zone.Identifier, ASCII 21->58 dropped 60 C:\Users\user\AppData\...\yWoKGWMqfA.exe, MS-DOS 21->60 dropped 32 yWoKGWMqfA.exe 21->32         started        35 icacls.exe 21->35         started        62 C:\Users\user\Desktop\...\BJZFPPWAPT.jpg, data 25->62 dropped 64 C:\Users\user\Desktop\...\PALRGUCVEH.xlsx, data 25->64 dropped 66 C:\Users\user\Desktop\...behaviorgraphIGIYTFFYT.png, data 25->66 dropped 106 Modifies existing user documents (likely ransomware behavior) 25->106 file7 signatures8 process9 signatures10 94 Injects a PE file into a foreign processes 32->94 37 yWoKGWMqfA.exe 1 22 32->37         started        process11 dnsIp12 86 zerit.top 115.88.24.203, 49752, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 37->86 88 fuyt.org 195.158.3.162, 49751, 49753, 80 BRM-ASUZ Uzbekistan 37->88 90 api.2ip.ua 37->90 68 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 37->68 dropped 70 C:\_readme.txt, ASCII 37->70 dropped 72 C:\Users\...\SmartScreenCache.dat.mmuz (copy), data 37->72 dropped 74 24 other files (22 malicious) 37->74 dropped 104 Infects executable files (exe, dll, sys, html) 37->104 42 build2.exe 37->42         started        file13 signatures14 process15 signatures16 108 Injects a PE file into a foreign processes 42->108 45 build2.exe 42->45         started        process17 dnsIp18 92 5.252.21.17, 49765, 80 FIRSTDC-ASRU Russian Federation 45->92 76 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 45->76 dropped 78 C:\Users\user\AppData\...\msvcp140[1].dll, PE32 45->78 dropped 80 C:\Users\user\AppData\...\freebl3[1].dll, PE32 45->80 dropped 82 9 other files (none is malicious) 45->82 dropped 116 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 45->116 118 Tries to steal Mail credentials (via file / registry access) 45->118 120 Tries to harvest and steal browser information (history, passwords, etc) 45->120 122 Tries to steal Crypto Currency Wallets 45->122 50 cmd.exe 45->50         started        file19 signatures20 process21 process22 52 conhost.exe 50->52         started        54 taskkill.exe 50->54         started        56 timeout.exe 50->56         started       
Threat name:
Win32.Trojan.Raccrypt
Status:
Malicious
First seen:
2022-03-25 05:19:00 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu ransomware
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://fuyt.org/fhsgtsspen6/get.php
Unpacked files
SH256 hash:
0b6d28bc808b98429e7fc549e5a15a236ddb6cbb5a227f7334207b438a95267d
MD5 hash:
06ee09dec2db456a2e92a4b0f696678e
SHA1 hash:
d9eb1e744ac1294637ae72672e0f7edb0b14fc4e
Detections:
win_stop_auto
Parent samples :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 hash:
54f94f7d533214086d2d2400b3b9b4d95e44d785334b5e47bf85ee0db24fd49b
MD5 hash:
9e5b2087a8c52568a9444a83d0bbfa87
SHA1 hash:
af3bd455eefb0cf105891e7d5db4308aad384a94
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