MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f874d2ec768aac73111ccc280352a8769b03d1789327b0b3e9674c55e0de1c01. 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 4 File information Comments

SHA256 hash: f874d2ec768aac73111ccc280352a8769b03d1789327b0b3e9674c55e0de1c01
SHA3-384 hash: 63600903c924e7264a7798641e1ca97962012894f8eb239c707a7728842617fbc93e808d788e37261ed56f861844cc59
SHA1 hash: 00a3b78374a127bcb3c944f4a65ff0fe5ba04d37
MD5 hash: 4b53133b0e11c01f58a1ad4eb69fa0ce
humanhash: monkey-iowa-massachusetts-purple
File name:file
Download: download sample
Signature Stop
File size:808'960 bytes
First seen:2024-07-22 03:05:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d36fec1c967de2874bf6e84e25ac7e04 (1 x Stop)
ssdeep 12288:Ex+HVyVS7kcMhsF6OwUdqSBnqQhDB2TMoWP6LxghFyjmHlYaOLUX:HEVSoTs8ShqwDBLMLihkjkWdLe
Threatray 1'568 similar samples on MalwareBazaar
TLSH T1FE05231131D5C031F2A75F36C560D6965F3BBCA198B2A06F7BA80A7E5F36090CB69327
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 0202040518480000 (1 x Stop)
Reporter Bitsight
Tags:exe Stop


Avatar
Bitsight
url: https://vk.com/doc869877400_678949873?hash=ViGZxn1c2ciVzoLxG1AzyTA9DgH6zqnG8zB249HPmSz&dl=eUdxFZjNmMzEEy5uqEKOSHhpIbfSjRUF1z6H1TuppST&api=1&no_preview=1#fileotr

Intelligence


File Origin
# of uploads :
1
# of downloads :
353
Origin country :
US US
Vendor Threat Intelligence
Verdict:
Malicious
Score:
92.5%
Tags:
Execution Infostealer Network Ransomware Stealth Instabot 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
Connection attempt to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint 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 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 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 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: 1477904 Sample: file.exe Startdate: 22/07/2024 Architecture: WINDOWS Score: 100 59 cajgtus.com 2->59 61 api.2ip.ua 2->61 67 Snort IDS alert for network traffic 2->67 69 Multi AV Scanner detection for domain / URL 2->69 71 Found malware configuration 2->71 73 9 other signatures 2->73 9 file.exe 2->9         started        12 file.exe 2->12         started        14 file.exe 2->14         started        16 file.exe 2->16         started        signatures3 process4 signatures5 81 Detected unpacking (changes PE section rights) 9->81 83 Detected unpacking (overwrites its own PE header) 9->83 85 Writes a notice file (html or txt) to demand a ransom 9->85 91 2 other signatures 9->91 18 file.exe 1 17 9->18         started        87 Multi AV Scanner detection for dropped file 12->87 89 Injects a PE file into a foreign processes 12->89 22 file.exe 12->22         started        25 file.exe 14->25         started        27 file.exe 16->27         started        process6 dnsIp7 63 api.2ip.ua 188.114.96.3, 443, 49730, 49731 CLOUDFLARENETUS European Union 18->63 39 C:\Users\user\AppData\Local\...\file.exe, PE32 18->39 dropped 41 C:\Users\user\...\file.exe:Zone.Identifier, ASCII 18->41 dropped 29 file.exe 18->29         started        32 icacls.exe 18->32         started        43 C:\Users\user\_readme.txt, ASCII 22->43 dropped 45 C:\Users\user\Desktop\...\HTAGVDFUIE.jpg, data 22->45 dropped 47 C:\Users\user\Desktop\...\IPKGELNTQY.mp3, data 22->47 dropped 49 2 other malicious files 22->49 dropped 79 Modifies existing user documents (likely ransomware behavior) 22->79 file8 signatures9 process10 signatures11 93 Injects a PE file into a foreign processes 29->93 34 file.exe 1 20 29->34         started        process12 dnsIp13 65 cajgtus.com 109.175.29.39, 49733, 49734, 80 BIHNETBIHNETAutonomusSystemBA Bosnia and Herzegowina 34->65 51 C:\_readme.txt, ASCII 34->51 dropped 53 C:\Users\user\...\wctF86A.tmp.watz (copy), MS-DOS 34->53 dropped 55 C:\Users\user\...\wctF411.tmp.watz (copy), data 34->55 dropped 57 46 other files (43 malicious) 34->57 dropped 75 Tries to harvest and steal browser information (history, passwords, etc) 34->75 77 Infects executable files (exe, dll, sys, html) 34->77 file14 signatures15
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2024-07-22 03:06:06 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
18 of 24 (75.00%)
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
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
f874d2ec768aac73111ccc280352a8769b03d1789327b0b3e9674c55e0de1c01
MD5 hash:
4b53133b0e11c01f58a1ad4eb69fa0ce
SHA1 hash:
00a3b78374a127bcb3c944f4a65ff0fe5ba04d37
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

File information


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

Web download

Stop

Executable exe f874d2ec768aac73111ccc280352a8769b03d1789327b0b3e9674c55e0de1c01

(this sample)

  
Dropped by
Privateloader
  
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::GetStartupInfoW
KERNEL32.dll::GetDiskFreeSpaceExA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::PeekConsoleInputA
KERNEL32.dll::SetConsoleCtrlHandler
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkA
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetSystemDirectoryA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegSetValueA

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