MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6c0bd6cae657449a07dcb78940ea732d7e4e24546477b083116bff4c99bd417d. 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 16 File information Comments

SHA256 hash: 6c0bd6cae657449a07dcb78940ea732d7e4e24546477b083116bff4c99bd417d
SHA3-384 hash: 7e3d4e3759a990f14e27e5eebe1af4db2cb9275378dc5d6c0749fb5ef21294ab76fa4d0688ee49651e8ef598396f41e0
SHA1 hash: 7e3a86188066eaa404a60c9686624fda1b12ae51
MD5 hash: efd7d885536ef4fd62cbc513bbe04d6e
humanhash: berlin-bakerloo-hydrogen-speaker
File name:efd7d885536ef4fd62cbc513bbe04d6e.exe
Download: download sample
Signature Stop
File size:851'456 bytes
First seen:2024-04-24 05:35:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3aaa1b88fde88b6f18cce2952dfece3e (2 x Stop, 2 x TeamBot)
ssdeep 24576:LtSUbR9X6EqqMJPf4k2kriUyd19SfZ7Q:LtVRNxMJPf4qyJI
TLSH T10005F103B6D3BC61D462DF728D1987B0162EFCF69E266B5B335C2A1F187C1A19263721
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
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 0000122203900000 (1 x Stop)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://cajgtus.com/test1/get.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
385
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
6c0bd6cae657449a07dcb78940ea732d7e4e24546477b083116bff4c99bd417d.exe
Verdict:
Malicious activity
Analysis date:
2024-04-24 06:54:14 UTC
Tags:
loader vodkagats ransomware stop djvu vidar raccoonclipper

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
Restart of the analyzed sample
Sending a TCP request to an infection source
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
Query of malicious DNS domain
Connection attempt to an infection source
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:
fingerprint 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:
Babuk, Djvu, Vidar
Detection:
malicious
Classification:
rans.spre.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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 stalling execution ending in API Sleep call
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 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)
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Yara detected AntiVM3
Yara detected Babuk Ransomware
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1430799 Sample: 8jvTeVxooN.exe Startdate: 24/04/2024 Architecture: WINDOWS Score: 100 67 sdfjhuz.com 2->67 69 cajgtus.com 2->69 71 2 other IPs or domains 2->71 83 Snort IDS alert for network traffic 2->83 85 Multi AV Scanner detection for domain / URL 2->85 87 Found malware configuration 2->87 89 13 other signatures 2->89 11 8jvTeVxooN.exe 2->11         started        14 8jvTeVxooN.exe 2->14         started        16 8jvTeVxooN.exe 2->16         started        18 8jvTeVxooN.exe 2->18         started        signatures3 process4 signatures5 107 Detected unpacking (changes PE section rights) 11->107 109 Detected unpacking (overwrites its own PE header) 11->109 111 Found stalling execution ending in API Sleep call 11->111 121 3 other signatures 11->121 20 8jvTeVxooN.exe 1 16 11->20         started        113 Antivirus detection for dropped file 14->113 115 Multi AV Scanner detection for dropped file 14->115 117 Machine Learning detection for dropped file 14->117 24 8jvTeVxooN.exe 14->24         started        119 Injects a PE file into a foreign processes 16->119 27 8jvTeVxooN.exe 16->27         started        29 8jvTeVxooN.exe 18->29         started        process6 dnsIp7 73 api.2ip.ua 172.67.139.220, 443, 49730, 49731 CLOUDFLARENETUS United States 20->73 49 C:\Users\user\AppData\...\8jvTeVxooN.exe, PE32 20->49 dropped 31 8jvTeVxooN.exe 20->31         started        34 icacls.exe 20->34         started        51 C:\Users\user\Desktop51WTVCDUMOB.png, data 24->51 dropped 53 C:\Users\user\Desktop\...\XZXHAVGRAG.pdf, data 24->53 dropped 97 Modifies existing user documents (likely ransomware behavior) 24->97 file8 signatures9 process10 signatures11 127 Injects a PE file into a foreign processes 31->127 36 8jvTeVxooN.exe 1 26 31->36         started        process12 dnsIp13 75 cajgtus.com 85.11.159.22, 49734, 49735, 49736 SOFIANETBG Bulgaria 36->75 77 sdfjhuz.com 123.140.161.243, 49733, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 36->77 55 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 36->55 dropped 57 C:\Users\user\AppData\Local\...\build2.exe, PE32 36->57 dropped 59 C:\Users\user\...\acroNGLLog.txt.bgjs (copy), data 36->59 dropped 61 63 other malicious files 36->61 dropped 91 Tries to harvest and steal browser information (history, passwords, etc) 36->91 93 Infects executable files (exe, dll, sys, html) 36->93 95 Modifies existing user documents (likely ransomware behavior) 36->95 41 build2.exe 36->41         started        file14 signatures15 process16 signatures17 99 Antivirus detection for dropped file 41->99 101 Multi AV Scanner detection for dropped file 41->101 103 Detected unpacking (changes PE section rights) 41->103 105 4 other signatures 41->105 44 build2.exe 41->44         started        process18 dnsIp19 79 95.217.9.149, 443, 49738, 49740 HETZNER-ASDE Germany 44->79 81 steamcommunity.com 184.30.90.143, 443, 49737 AKAMAI-ASUS United States 44->81 63 C:\Users\user\AppData\Local\...\sqln[1].dll, PE32 44->63 dropped 65 C:\Users\user\...\76561199673019888[1].htm, data 44->65 dropped 123 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 44->123 125 Tries to harvest and steal browser information (history, passwords, etc) 44->125 file20 signatures21
Threat name:
Win32.Spyware.Vidar
Status:
Malicious
First seen:
2024-04-24 05:36:05 UTC
File Type:
PE (Exe)
Extracted files:
66
AV detection:
33 of 38 (86.84%)
Threat level:
  2/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Modifies file permissions
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://cajgtus.com/test1/get.php
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:EXE_Stealer_StealC_Feb2024
Author:Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MALWARE_Win_STOP
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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 6c0bd6cae657449a07dcb78940ea732d7e4e24546477b083116bff4c99bd417d

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetVolumeInformationW
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasesA
KERNEL32.dll::GetConsoleProcessList
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkA
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryW
KERNEL32.dll::RemoveDirectoryW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpOpen

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