MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c73cb93ad9ad6d003b505ce2b960d75467ad612786e0559c74dca18426fb9400. 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 12 File information Comments

SHA256 hash: c73cb93ad9ad6d003b505ce2b960d75467ad612786e0559c74dca18426fb9400
SHA3-384 hash: 0b9f07b5e0a19ca65032cb2b7b2ae19efd8a2d3e98600ff403896a1dac70a3b0d79c560ffc1279406f2a9a30f8314f56
SHA1 hash: 41b8851bc57462502b0113ee1f2579dff5d94f4f
MD5 hash: 5cacd6f1b5cec25f3f0b0b3c4d5807d3
humanhash: idaho-mobile-cat-shade
File name:baaf76a5d567125252c32a834369f3658341d8224c4a058275c6760c43d7545b_payload.exe
Download: download sample
Signature Stop
File size:1'150'976 bytes
First seen:2024-01-26 00:34:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0c756c849bc7b459f78f7a5ce46cd4a7 (14 x Stop)
ssdeep 24576:ZBUIKn/vwOXGUXAjCymYZiVtElVIBT2roqnTSSxWeT/dRPOO82WQHUq7:F0dwAYZt6C31WeTVRPOh27Uq7
TLSH T12435AE02BB819171E5D341BA0DFE977E883AA9A0933A95C3D7E91C568E306D0673F3C5
TrID 40.3% (.EXE) Win64 Executable (generic) (10523/12/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4505/5/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter ukycircle
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
382
Origin country :
JP JP
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
c73cb93ad9ad6d003b505ce2b960d75467ad612786e0559c74dca18426fb9400.exe
Verdict:
Malicious activity
Analysis date:
2024-01-26 00:36:02 UTC
Tags:
loader vodkagats ransomware stop

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending an HTTP GET request
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Сreating synchronization primitives
Restart of the analyzed sample
Deleting a recently created file
Creating a window
Searching for synchronization primitives
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crypto fingerprint obfuscated
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.troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Found stalling execution ending in API Sleep call
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
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: 1381448 Sample: baaf76a5d567125252c32a83436... Startdate: 26/01/2024 Architecture: WINDOWS Score: 100 35 zexeq.com 2->35 37 colisumy.com 2->37 39 api.2ip.ua 2->39 45 Snort IDS alert for network traffic 2->45 47 Multi AV Scanner detection for domain / URL 2->47 49 Found malware configuration 2->49 51 8 other signatures 2->51 7 baaf76a5d567125252c32a834369f3658341d8224c4a058275c6760c43d7545b_payload.exe 1 17 2->7         started        12 baaf76a5d567125252c32a834369f3658341d8224c4a058275c6760c43d7545b_payload.exe 14 2->12         started        14 baaf76a5d567125252c32a834369f3658341d8224c4a058275c6760c43d7545b_payload.exe 13 2->14         started        16 baaf76a5d567125252c32a834369f3658341d8224c4a058275c6760c43d7545b_payload.exe 2->16         started        signatures3 process4 dnsIp5 43 api.2ip.ua 104.21.65.24, 443, 49729, 49730 CLOUDFLARENETUS United States 7->43 33 baaf76a5d567125252...3d7545b_payload.exe, PE32 7->33 dropped 55 Found stalling execution ending in API Sleep call 7->55 57 Writes a notice file (html or txt) to demand a ransom 7->57 59 Writes many files with high entropy 7->59 18 baaf76a5d567125252c32a834369f3658341d8224c4a058275c6760c43d7545b_payload.exe 1 23 7->18         started        23 icacls.exe 7->23         started        61 Multi AV Scanner detection for dropped file 12->61 file6 signatures7 process8 dnsIp9 41 zexeq.com 199.59.242.150, 49731, 49732, 49734 BODIS-NJUS United States 18->41 25 C:\Users\user\...\wctF86A.tmp.vapo (copy), MS-DOS 18->25 dropped 27 C:\Users\user\...\wctF411.tmp.vapo (copy), data 18->27 dropped 29 C:\Users\user\...\wctEA40.tmp.vapo (copy), data 18->29 dropped 31 42 other files (40 malicious) 18->31 dropped 53 Modifies existing user documents (likely ransomware behavior) 18->53 file10 signatures11
Threat name:
Win32.Trojan.Glupteba
Status:
Malicious
First seen:
2024-01-26 00:35:07 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
33 of 38 (86.84%)
Threat level:
  5/5
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
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://zexeq.com/raud/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: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.

Comments