MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 df4cf6f6be06bfd7eaf23bffc9c16639573228bc72fd6262352a242b5bdf2080. 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: 16


Intelligence 16 IOCs YARA 8 File information Comments

SHA256 hash: df4cf6f6be06bfd7eaf23bffc9c16639573228bc72fd6262352a242b5bdf2080
SHA3-384 hash: 5a187a5acfdff2b45cd695db3a33ad56386f6842a2641b5a7874547f007ed52591195a818afb767c9cbc9101410ae3a7
SHA1 hash: 49975f296e3e7b5c6ee97c6d5f0cd4a8e9305f08
MD5 hash: 7af338c461c5069d1e0fe91d95770b96
humanhash: fifteen-minnesota-low-don
File name:17A21C03CDA1D7443CA4BEF3A410BC88B544B55E28088A3AE550AEBC517BEA35.exe
Download: download sample
Signature Stop
File size:827'904 bytes
First seen:2024-07-24 11:39:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1f8aedd2ed2c23ee27040330b035e00c (2 x Stop, 1 x Smoke Loader)
ssdeep 12288:LZaij2Ng3pCC1gvH8wvYxCnRfAmtRyxwwRrrWKWiYzK5fa+aqRx/f:1r9H/xCnRfrqgXiYmdPzv
Threatray 1'577 similar samples on MalwareBazaar
TLSH T1F70512113BB0C0B6D1752130A969E2D36E2E7B7199B1E8577789862C3C217C27D7BF0A
TrID 37.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
20.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
12.7% (.EXE) Win64 Executable (generic) (10523/12/4)
7.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 38b078cccacccc43 (123 x Smoke Loader, 83 x Stop, 63 x RedLineStealer)
Reporter Anonymous
Tags:exe Stop


Avatar
Anonymous
this malware sample is very nasty!

Intelligence


File Origin
# of uploads :
1
# of downloads :
324
Origin country :
FR FR
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.9%
Tags:
Execution Generic Infostealer Network Ransomware Static Stealth Stop
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a process from a recently created file
Changing an executable file
Creating a window
Sending an HTTP GET request to an infection source
Unauthorized injection to a recently created process
Restart of the analyzed sample
Sending a TCP request to an infection source
Modifying an executable file
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
Infecting executable files
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint lolbin microsoft_visual_cc packed shell32
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, Bdaejec, Djvu
Detection:
malicious
Classification:
rans.spre.troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
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
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has a writeable .text section
Uses known network protocols on non-standard ports
Writes a notice file (html or txt) to demand a ransom
Yara detected Babuk Ransomware
Yara detected Bdaejec
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1479984 Sample: 17A21C03CDA1D7443CA4BEF3A41... Startdate: 24/07/2024 Architecture: WINDOWS Score: 100 61 fuyt.org 2->61 63 ddos.dnsnb8.net 2->63 65 api.2ip.ua 2->65 75 Found malware configuration 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 Antivirus detection for URL or domain 2->79 81 14 other signatures 2->81 9 17A21C03CDA1D7443CA4BEF3A410BC88B544B55E28088A3AE550AEBC517BEA35.exe 1 2->9         started        13 17A21C03CDA1D7443CA4BEF3A410BC88B544B55E28088A3AE550AEBC517BEA35.exe 2->13         started        15 17A21C03CDA1D7443CA4BEF3A410BC88B544B55E28088A3AE550AEBC517BEA35.exe 2->15         started        17 17A21C03CDA1D7443CA4BEF3A410BC88B544B55E28088A3AE550AEBC517BEA35.exe 2->17         started        signatures3 process4 file5 59 C:\Users\user\AppData\Local\Temp\hBQf.exe, PE32 9->59 dropped 93 Antivirus detection for dropped file 9->93 95 Detected unpacking (changes PE section rights) 9->95 97 Detected unpacking (overwrites its own PE header) 9->97 99 Contains functionality to inject code into remote processes 9->99 19 hBQf.exe 14 9->19         started        24 17A21C03CDA1D7443CA4BEF3A410BC88B544B55E28088A3AE550AEBC517BEA35.exe 1 16 9->24         started        101 Multi AV Scanner detection for dropped file 13->101 103 Machine Learning detection for dropped file 13->103 105 Writes a notice file (html or txt) to demand a ransom 13->105 26 17A21C03CDA1D7443CA4BEF3A410BC88B544B55E28088A3AE550AEBC517BEA35.exe 16 13->26         started        107 Injects a PE file into a foreign processes 15->107 28 17A21C03CDA1D7443CA4BEF3A410BC88B544B55E28088A3AE550AEBC517BEA35.exe 15->28         started        30 17A21C03CDA1D7443CA4BEF3A410BC88B544B55E28088A3AE550AEBC517BEA35.exe 17->30         started        signatures6 process7 dnsIp8 67 ddos.dnsnb8.net 44.221.84.105, 49704, 799 AMAZON-AESUS United States 19->67 41 C:\Program Files\7-Zip\Uninstall.exe, PE32 19->41 dropped 43 C:\Program Files (x86)\AutoIt3\...\SciTE.exe, PE32 19->43 dropped 45 C:\Program Files (x86)\AutoIt3\...\MyProg.exe, MS-DOS 19->45 dropped 83 Antivirus detection for dropped file 19->83 85 Multi AV Scanner detection for dropped file 19->85 87 Detected unpacking (changes PE section rights) 19->87 91 2 other signatures 19->91 32 WerFault.exe 19 16 19->32         started        69 api.2ip.ua 188.114.97.3, 443, 49705, 49706 CLOUDFLARENETUS European Union 24->69 47 17A21C03CDA1D7443C...550AEBC517BEA35.exe, PE32 24->47 dropped 49 17A21C03CDA1D7443C...exe:Zone.Identifier, ASCII 24->49 dropped 34 17A21C03CDA1D7443CA4BEF3A410BC88B544B55E28088A3AE550AEBC517BEA35.exe 24->34         started        37 icacls.exe 24->37         started        71 fuyt.org 92.246.89.93, 49710, 49726, 49728 LIVECOMM-ASRespublikanskayastr3k6RU Russian Federation 26->71 51 C:\Users\user\_readme.txt, ASCII 26->51 dropped 53 C:\Users\user\Desktop\QVTVNIBKSD.docx, data 26->53 dropped 55 C:\Users\user\Desktop\...\AFWAAFRXKO.png, data 26->55 dropped 57 4 other malicious files 26->57 dropped 89 Modifies existing user documents (likely ransomware behavior) 26->89 file9 signatures10 process11 signatures12 73 Injects a PE file into a foreign processes 34->73 39 17A21C03CDA1D7443CA4BEF3A410BC88B544B55E28088A3AE550AEBC517BEA35.exe 12 34->39         started        process13
Threat name:
Win32.Virus.Jadtre
Status:
Malicious
First seen:
2024-07-24 11:39:07 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
36 of 38 (94.74%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu aspackv2 discovery persistence ransomware
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
ASPack v2.12-2.42
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://fuyt.org/fhsgtsspen6/get.php
Unpacked files
SH256 hash:
1d3d862a7d90043608aa8585cdc74d57ff9586cf9165b787543a3a13ea8d9b98
MD5 hash:
ea1f80714e926c1a9549bb8aca036a69
SHA1 hash:
c12094b5f50edfeb3f18154a3d8dfe1ca073ddc3
Detections:
djvu_ransomware win_stop_auto SUSP_XORed_URL_In_EXE
SH256 hash:
086f0f229caf62795ad7a6afcff86c3f80d85890ba3e9fb4c70e02b49938addb
MD5 hash:
0523a5cf5a754c61221ccebc47580783
SHA1 hash:
ef18c971ad8a1b172676ec968344d12d23fc6afd
Detections:
win_unidentified_045_auto win_unidentified_045_g0
SH256 hash:
df4cf6f6be06bfd7eaf23bffc9c16639573228bc72fd6262352a242b5bdf2080
MD5 hash:
7af338c461c5069d1e0fe91d95770b96
SHA1 hash:
49975f296e3e7b5c6ee97c6d5f0cd4a8e9305f08
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:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


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

Malspam

Stop

Executable exe df4cf6f6be06bfd7eaf23bffc9c16639573228bc72fd6262352a242b5bdf2080

(this sample)

  
Delivery method
Distributed via e-mail attachment

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::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::SetConsoleTitleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasesA
KERNEL32.dll::GetConsoleTitleW
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::ReplaceFileA
KERNEL32.dll::SetVolumeMountPointA
ADVAPI32.dll::BackupEventLogA
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpSetTimeouts

Comments