MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f063fd7e94f03475056fc4a24beb28da821ec5cb8dabe9c7d4f958d8f21a397. 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 7 File information Comments

SHA256 hash: 3f063fd7e94f03475056fc4a24beb28da821ec5cb8dabe9c7d4f958d8f21a397
SHA3-384 hash: aca9fa2ca00e306c9f9587ce0c4c72b522c98a7983a166e250238ec60c3d47c3e6f76ba9afab784bec6972ff483279a6
SHA1 hash: 6b05966ebbf13b4f804372657841bd9590283435
MD5 hash: 5faa37823a06a9aa29caa050e518ec4a
humanhash: diet-beryllium-lima-pizza
File name:file.exe
Download: download sample
Signature Stop
File size:853'504 bytes
First seen:2023-04-02 01:16:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5ca6a4f926acaf79e41109061c7e5b6c (4 x Rhadamanthys, 3 x Stop, 2 x Smoke Loader)
ssdeep 24576:XidwAZaNZPLeQl/xMBR5LSNS6Id2vWes:Xiipz46IdkW
Threatray 1'585 similar samples on MalwareBazaar
TLSH T1D505F11252E87830E53F4A328F2EC2F4270EBC629F597B9B2639BA3F0574562D971714
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
16.0% (.EXE) Win32 Executable (generic) (4505/5/1)
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 016a6e6a6a6a6a60 (6 x Rhadamanthys, 5 x Smoke Loader, 4 x Amadey)
Reporter Chainskilabs
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
306
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2023-04-02 01:16:58 UTC
Tags:
ransomware stop

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

Behaviour
Searching for the window
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
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed
Result
Verdict:
SUSPICIOUS
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:
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Signature
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)
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 839387 Sample: file.exe Startdate: 02/04/2023 Architecture: WINDOWS Score: 100 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected Djvu Ransomware 2->47 49 2 other signatures 2->49 8 file.exe 2->8         started        11 file.exe 2->11         started        13 file.exe 2->13         started        15 file.exe 2->15         started        process3 signatures4 51 Detected unpacking (changes PE section rights) 8->51 53 Detected unpacking (overwrites its own PE header) 8->53 55 Contains functionality to inject code into remote processes 8->55 17 file.exe 1 16 8->17         started        57 Multi AV Scanner detection for dropped file 11->57 59 Machine Learning detection for dropped file 11->59 61 Injects a PE file into a foreign processes 11->61 21 file.exe 12 11->21         started        23 file.exe 12 13->23         started        25 file.exe 12 15->25         started        process5 dnsIp6 41 api.2ip.ua 162.0.217.254, 443, 49706, 49709 ACPCA Canada 17->41 35 C:\Users\user\AppData\Local\...\file.exe, PE32 17->35 dropped 37 C:\Users\user\...\file.exe:Zone.Identifier, ASCII 17->37 dropped 27 file.exe 17->27         started        30 icacls.exe 17->30         started        file7 process8 signatures9 63 Injects a PE file into a foreign processes 27->63 32 file.exe 12 27->32         started        process10 dnsIp11 39 api.2ip.ua 32->39
Threat name:
Win32.Trojan.InstaBot
Status:
Malicious
First seen:
2023-04-02 01:17:09 UTC
File Type:
PE (Exe)
Extracted files:
42
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:5df88deb5dde677ba658b77ad5f60248 discovery persistence ransomware spyware stealer
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Detected Djvu ransomware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
http://zexeq.com/lancer/get.php
https://steamcommunity.com/profiles/76561199489580435
https://t.me/tabootalks
Unpacked files
SH256 hash:
4c044e764f68719f17a6ba5bd12911059fac2628dc1693d969526bc4a90d3763
MD5 hash:
1377fbfc86a9044e0f754eebb245150f
SHA1 hash:
ec4099baf7e127f7c883e27ab23dd581b4d8e4d7
Detections:
win_stop_auto
SH256 hash:
3f063fd7e94f03475056fc4a24beb28da821ec5cb8dabe9c7d4f958d8f21a397
MD5 hash:
5faa37823a06a9aa29caa050e518ec4a
SHA1 hash:
6b05966ebbf13b4f804372657841bd9590283435
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:Suspicious_Macro_Presence
Author:Mehmet Ali Kerimoglu (CYB3RMX)
Description:This rule detects common malicious/suspicious implementations.
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 3f063fd7e94f03475056fc4a24beb28da821ec5cb8dabe9c7d4f958d8f21a397

(this sample)

  
Delivery method
Distributed via web download

Comments