MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7f5d309309e41f43d6605b2007088afb5bf82c677bca8f50b392f27c3db8c1b. 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 5 File information Comments

SHA256 hash: b7f5d309309e41f43d6605b2007088afb5bf82c677bca8f50b392f27c3db8c1b
SHA3-384 hash: 4890b7331821871424c04fdd73d994d22f26c1e7fd27fb89e691fa3b94d4d39f42d2b1b8801202a2b30516ca28a2d847
SHA1 hash: 0af3f379c5d010f4bb0564000291cceaef61481c
MD5 hash: f2fe29e59327fca5b6a18ec8244e8060
humanhash: march-robin-table-quebec
File name:file.exe
Download: download sample
Signature Stop
File size:804'864 bytes
First seen:2023-06-09 00:50:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 078c527316e58c8f8358ebd022c4bbdf (2 x Stop, 2 x GCleaner, 1 x Fabookie)
ssdeep 12288:k3y3EwowJnHSgWM9eX58M42ZPCXY3kssswt1N85VyThLVQYBmb:k3bKHSgdQ5342ZqolsH1N85kThLVbEb
Threatray 1'955 similar samples on MalwareBazaar
TLSH T12B05D00362A17C55E9355B329E2ECEE8364DFA518E0D7B652A18EE1F14B12B1C173F0B
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)
dhash icon 01606a6272706a48 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
284
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2023-06-09 00:51:04 UTC
Tags:
loader stealer vidar trojan arkei

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
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 lolbin packed shell32.dll
Result
Verdict:
UNKNOWN
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 884645 Sample: file.exe Startdate: 09/06/2023 Architecture: WINDOWS Score: 100 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 6 other signatures 2->51 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 53 Detected unpacking (changes PE section rights) 8->53 55 Detected unpacking (overwrites its own PE header) 8->55 57 Injects a PE file into a foreign processes 8->57 17 file.exe 1 17 8->17         started        59 Multi AV Scanner detection for dropped file 11->59 61 Machine Learning detection for dropped file 11->61 21 file.exe 1 13 11->21         started        23 file.exe 13 13->23         started        25 file.exe 13 15->25         started        process5 dnsIp6 41 api.2ip.ua 162.0.217.254, 443, 49692, 49693 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        43 zexeq.com 168.187.75.100, 49695, 49701, 49702 KWKEMSBlock-AFloor7SouqAl-KabeerKuwaitCityState Kuwait 21->43 file7 process8 signatures9 63 Injects a PE file into a foreign processes 27->63 32 file.exe 13 27->32         started        process10 dnsIp11 39 api.2ip.ua 32->39
Threat name:
Win32.Trojan.Vidar
Status:
Malicious
First seen:
2023-06-08 19:38:23 UTC
File Type:
PE (Exe)
Extracted files:
78
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:a81bcf59d85e6e13257840e65b9d1da8 discovery persistence ransomware spyware stealer
Behaviour
Checks processor information in registry
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
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/raud/get.php
https://steamcommunity.com/profiles/76561199511129510
https://t.me/rechnungsbetrag
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: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 b7f5d309309e41f43d6605b2007088afb5bf82c677bca8f50b392f27c3db8c1b

(this sample)

  
Delivery method
Distributed via web download

Comments