MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4. 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: 19


Intelligence 19 IOCs YARA 4 File information Comments

SHA256 hash: f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4
SHA3-384 hash: 2dcf62613b7690ac665b387f61fb968b5d5088dc3047e58f79810fa6472ae9e0756cf785e498e7c51c219ddb77c39dd2
SHA1 hash: 7b8c4ec9a3808eaa32ab07d1608ad275f34adbe3
MD5 hash: 8f81e96f8c96dec003b51826bbd5885f
humanhash: papa-mirror-angel-blossom
File name:8f81e96f8c96dec003b51826bbd5885f.exe
Download: download sample
Signature Stop
File size:776'704 bytes
First seen:2024-08-13 19:57:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 8476831dcd3ec87a4c86e61ca01b35a0 (3 x RaccoonStealer, 3 x RedLineStealer, 1 x Smoke Loader)
ssdeep 12288:VI/X+roiofZzZXvGasEKcXm/WThCFrUi/bwV5LYBYH7caEArXMViC53j:gOsiorGLEKT/WThUlbaUYH7lE005
Threatray 1'653 similar samples on MalwareBazaar
TLSH T16FF4010077E0C034F1B726F649B4A7B8A52D7DB1EB35C5CB52C56AEA5638AE09C30397
TrID 46.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
25.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 68f8e8e8aa62a499 (2 x RaccoonStealer, 1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
483
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
8f81e96f8c96dec003b51826bbd5885f.exe
Verdict:
Malicious activity
Analysis date:
2024-08-13 19:58:25 UTC
Tags:
evasion xor-url generic ransomware stop djvu

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Execution Infostealer Network Ransomware Static Stealth Generickdz Stop
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc microsoft_visual_cc 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
Detection:
malicious
Classification:
rans.spre.troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
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 sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
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 Babuk Ransomware
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1492473 Sample: C0XWmZAnYk.exe Startdate: 13/08/2024 Architecture: WINDOWS Score: 100 52 znpst.top 2->52 54 securebiz.org 2->54 56 api.2ip.ua 2->56 60 Suricata IDS alerts for network traffic 2->60 62 Found malware configuration 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 9 other signatures 2->66 9 C0XWmZAnYk.exe 2->9         started        12 C0XWmZAnYk.exe 2->12         started        14 C0XWmZAnYk.exe 2->14         started        16 C0XWmZAnYk.exe 2->16         started        signatures3 process4 signatures5 74 Detected unpacking (overwrites its own PE header) 9->74 76 Writes a notice file (html or txt) to demand a ransom 9->76 78 Contains functionality to inject code into remote processes 9->78 80 Writes many files with high entropy 9->80 18 C0XWmZAnYk.exe 1 17 9->18         started        82 Multi AV Scanner detection for dropped file 12->82 84 Injects a PE file into a foreign processes 12->84 22 C0XWmZAnYk.exe 13 12->22         started        24 C0XWmZAnYk.exe 14->24         started        26 C0XWmZAnYk.exe 16->26         started        process6 dnsIp7 58 api.2ip.ua 188.114.96.3, 443, 49704, 49705 CLOUDFLARENETUS European Union 18->58 46 C:\Users\user\AppData\...\C0XWmZAnYk.exe, PE32 18->46 dropped 48 C:\Users\...\C0XWmZAnYk.exe:Zone.Identifier, ASCII 18->48 dropped 28 C0XWmZAnYk.exe 18->28         started        31 icacls.exe 18->31         started        file8 process9 signatures10 86 Injects a PE file into a foreign processes 28->86 33 C0XWmZAnYk.exe 1 20 28->33         started        process11 dnsIp12 50 znpst.top 92.246.89.93, 49706, 80 LIVECOMM-ASRespublikanskayastr3k6RU Russian Federation 33->50 38 C:\_readme.txt, ASCII 33->38 dropped 40 C:\Users\...\DefaultLayouts.xml.rigd (copy), data 33->40 dropped 42 ExplorerStartupLog...nce.etl.rigd (copy), data 33->42 dropped 44 104 other malicious files 33->44 dropped 68 Tries to harvest and steal browser information (history, passwords, etc) 33->68 70 Infects executable files (exe, dll, sys, html) 33->70 72 Modifies existing user documents (likely ransomware behavior) 33->72 file13 signatures14
Threat name:
Win32.Trojan.Tnega
Status:
Malicious
First seen:
2021-09-30 23:20:07 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
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://securebiz.org/fhsgtsspen6/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_OutputDebugStringA_iat
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

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::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetConsoleScreenBufferSize
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExA
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::GetSystemDirectoryW
KERNEL32.dll::GetSystemWow64DirectoryW

Comments