MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 78c3e9fa84cb2250614f87a8f83282d29e481830a0ad49d43477f9e505da880f. 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: 18


Intelligence 18 IOCs YARA 6 File information Comments

SHA256 hash: 78c3e9fa84cb2250614f87a8f83282d29e481830a0ad49d43477f9e505da880f
SHA3-384 hash: 1a21c5bb313efb573ac3830a0d390a2240213b543d3f4ea7ea97763778be8ae359631dd3ceba93c00224f5002f42bf53
SHA1 hash: 7c9d2693e4f2ef719be6d456f2d24b802e35337a
MD5 hash: 93acd64d4daca963de08e0a1a30830af
humanhash: muppet-nine-jupiter-april
File name:setup.exe
Download: download sample
Signature Stop
File size:713'728 bytes
First seen:2023-04-11 00:55:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 407cedf3cd305e74ebcf3ed2bbc4e3b6 (3 x Smoke Loader, 2 x Stop, 2 x Amadey)
ssdeep 12288:6QaxYur/o6jm/NZQ7iDUTTj3F098keLNmjFnZKy+DRYLxVHKCfEo:5a7xm/eTTj3S9XexMZKO7fl
Threatray 1'632 similar samples on MalwareBazaar
TLSH T16BE422313A9284B2C257C5305861D66AAB7E7621ABB285AF537C43BF2E373C15376313
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 000c26a141818100 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
304
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2023-04-11 00:56:12 UTC
Tags:
ransomware stop loader

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
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
Sending a custom TCP request
Deleting a recently created file
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
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Behaviour
MalwareBazaar
CPUID_Instruction
SystemUptime
MeasuringTime
EvasionQueryPerformanceCounter
CheckCmdLine
EvasionGetTickCount
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware lockbit packed zusy
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, HTMLPhisher
Detection:
malicious
Classification:
rans.spre.phis.troj.spyw.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
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 HtmlPhish10
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 844298 Sample: setup.exe Startdate: 11/04/2023 Architecture: WINDOWS Score: 100 72 Snort IDS alert for network traffic 2->72 74 Multi AV Scanner detection for domain / URL 2->74 76 Malicious sample detected (through community Yara rule) 2->76 78 9 other signatures 2->78 11 setup.exe 2->11         started        14 mstsca.exe 2->14         started        16 setup.exe 2->16         started        process3 signatures4 84 Detected unpacking (changes PE section rights) 11->84 86 Detected unpacking (overwrites its own PE header) 11->86 88 Writes a notice file (html or txt) to demand a ransom 11->88 92 2 other signatures 11->92 18 setup.exe 1 16 11->18         started        90 Multi AV Scanner detection for dropped file 14->90 22 schtasks.exe 1 14->22         started        process5 dnsIp6 60 api.2ip.ua 162.0.217.254, 443, 49692, 49693 ACPCA Canada 18->60 54 C:\Users\user\...\setup.exe:Zone.Identifier, ASCII 18->54 dropped 56 C:\Users\user\AppData\Local\...\setup.exe, MS-DOS 18->56 dropped 24 setup.exe 18->24         started        27 icacls.exe 18->27         started        29 conhost.exe 22->29         started        file7 process8 signatures9 82 Injects a PE file into a foreign processes 24->82 31 setup.exe 1 22 24->31         started        36 wuapihost.exe 24->36         started        process10 dnsIp11 62 zexeq.com 211.40.39.251, 49694, 49695, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 31->62 64 uaery.top 31->64 66 api.2ip.ua 31->66 46 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 31->46 dropped 48 C:\_readme.txt, ASCII 31->48 dropped 50 C:\Users\user\_readme.txt, ASCII 31->50 dropped 52 209 other malicious files 31->52 dropped 68 Infects executable files (exe, dll, sys, html) 31->68 70 Modifies existing user documents (likely ransomware behavior) 31->70 38 build3.exe 1 31->38         started        file12 signatures13 process14 file15 58 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 38->58 dropped 80 Uses schtasks.exe or at.exe to add and modify task schedules 38->80 42 schtasks.exe 1 38->42         started        signatures16 process17 process18 44 conhost.exe 42->44         started       
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2023-04-10 22:52:06 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware
Behaviour
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Downloads MZ/PE file
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:MALWARE_Win_STOP
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
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 78c3e9fa84cb2250614f87a8f83282d29e481830a0ad49d43477f9e505da880f

(this sample)

  
Delivery method
Distributed via web download

Comments