MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9c9ed624eaf441b4637d50fe25d386636c5cb59fb69f5b824afc7cec6dfff7f0. 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 23 File information Comments

SHA256 hash: 9c9ed624eaf441b4637d50fe25d386636c5cb59fb69f5b824afc7cec6dfff7f0
SHA3-384 hash: e1f1ea37c3036c300b169ca5f7a7aa4fe8b14b8a393667a229a761811ca40833abe07ea6ee28d2fa0d8ddfa695cb515f
SHA1 hash: 5a20d1ff30218dea67d3ff7f61e16e5cc958006f
MD5 hash: 4f8fb134c680d0e05861a34827751834
humanhash: bulldog-oklahoma-vegan-princess
File name:4f8fb134c680d0e05861a34827751834.exe
Download: download sample
Signature Stop
File size:781'824 bytes
First seen:2024-04-24 15:35:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash da85065239035ee146657c2492fb98d0 (2 x Stop)
ssdeep 12288:S13ahbKvq4YIvjnARDUsrD4Shv9QSrwZ/BpOtI7wWsvvaGDXRorYm+0FPSoyWHJk:NJ49sHv9zsZ/B0tWFoXRorg0BSFWHJPc
Threatray 1'887 similar samples on MalwareBazaar
TLSH T10AF402017EE2C8B4E3A3C2715D148612D53EFC7E1B118A7B735C625E0E705E09ADD7AA
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 0211010309512300 (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 :
354
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
9c9ed624eaf441b4637d50fe25d386636c5cb59fb69f5b824afc7cec6dfff7f0.exe
Verdict:
Malicious activity
Analysis date:
2024-04-24 15:39:21 UTC
Tags:
loader vodkagats ransomware stop djvu

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
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:
Clipboard Hijacker, 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 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 dropped file
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
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 dnsIp2 2 Behavior Graph ID: 1431221 Sample: R5391762lf.exe Startdate: 24/04/2024 Architecture: WINDOWS Score: 100 93 sdfjhuz.com 2->93 95 cajgtus.com 2->95 97 2 other IPs or domains 2->97 111 Snort IDS alert for network traffic 2->111 113 Found malware configuration 2->113 115 Malicious sample detected (through community Yara rule) 2->115 117 11 other signatures 2->117 13 R5391762lf.exe 2->13         started        16 R5391762lf.exe 2->16         started        18 mstsca.exe 2->18         started        20 6 other processes 2->20 signatures3 process4 signatures5 135 Detected unpacking (changes PE section rights) 13->135 137 Detected unpacking (overwrites its own PE header) 13->137 139 Writes a notice file (html or txt) to demand a ransom 13->139 149 2 other signatures 13->149 22 R5391762lf.exe 1 16 13->22         started        141 Antivirus detection for dropped file 16->141 143 Multi AV Scanner detection for dropped file 16->143 145 Machine Learning detection for dropped file 16->145 26 R5391762lf.exe 16->26         started        147 Injects a PE file into a foreign processes 18->147 29 mstsca.exe 18->29         started        31 R5391762lf.exe 20->31         started        33 R5391762lf.exe 20->33         started        35 mstsca.exe 20->35         started        37 2 other processes 20->37 process6 dnsIp7 99 api.2ip.ua 172.67.139.220, 443, 49705, 49706 CLOUDFLARENETUS United States 22->99 69 C:\Users\user\AppData\...\R5391762lf.exe, PE32 22->69 dropped 39 R5391762lf.exe 22->39         started        42 icacls.exe 22->42         started        71 C:\Users\user\_README.txt, ASCII 26->71 dropped 73 C:\Users\user\Desktop\...\ZQIXMVQGAH.pdf, data 26->73 dropped 75 C:\Users\user\Desktop\IPKGELNTQY.docx, data 26->75 dropped 77 2 other malicious files 26->77 dropped 131 Modifies existing user documents (likely ransomware behavior) 26->131 44 schtasks.exe 29->44         started        file8 signatures9 process10 signatures11 129 Injects a PE file into a foreign processes 39->129 46 R5391762lf.exe 1 24 39->46         started        51 conhost.exe 44->51         started        process12 dnsIp13 105 cajgtus.com 186.145.236.18, 49709, 49710, 49711 TelmexColombiaSACO Colombia 46->105 107 sdfjhuz.com 186.13.17.220, 49708, 80 TechtelLMDSComunicacionesInteractivasSAAR Argentina 46->107 85 C:\Users\user\...\PIVFAGEAAV.mp3.bgjs (copy), COM 46->85 dropped 87 C:\Users\user\Downloads\PIVFAGEAAV.mp3, COM 46->87 dropped 89 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 46->89 dropped 91 99 other malicious files 46->91 dropped 109 Infects executable files (exe, dll, sys, html) 46->109 53 build2.exe 46->53         started        56 build3.exe 46->56         started        file14 signatures15 process16 signatures17 119 Detected unpacking (changes PE section rights) 53->119 121 Detected unpacking (overwrites its own PE header) 53->121 123 Writes many files with high entropy 53->123 58 build2.exe 53->58         started        125 Uses schtasks.exe or at.exe to add and modify task schedules 56->125 127 Injects a PE file into a foreign processes 56->127 63 build3.exe 56->63         started        process18 dnsIp19 101 95.217.9.149, 443, 49713, 49715 HETZNER-ASDE Germany 58->101 103 steamcommunity.com 23.66.133.162, 443, 49712 AKAMAI-ASUS United States 58->103 79 C:\Users\user\AppData\Local\...\sqln[1].dll, PE32 58->79 dropped 81 C:\Users\user\...\76561199673019888[1].htm, data 58->81 dropped 133 Tries to harvest and steal browser information (history, passwords, etc) 58->133 83 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 63->83 dropped 65 schtasks.exe 63->65         started        file20 signatures21 process22 process23 67 conhost.exe 65->67         started       
Threat name:
Win32.Backdoor.Mokes
Status:
Malicious
First seen:
2024-04-24 15:36:05 UTC
File Type:
PE (Exe)
Extracted files:
30
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware
Behaviour
Modifies system certificate store
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:Check_Dlls
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
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:has_telegram_urls
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
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:QbotStuff
Author:anonymous
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 9c9ed624eaf441b4637d50fe25d386636c5cb59fb69f5b824afc7cec6dfff7f0

(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_NXMissing Non-Executable Memory Protectioncritical
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::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetVolumeInformationW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputA
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::GetWindowsDirectoryA
KERNEL32.dll::RemoveDirectoryW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpOpen

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