MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3917bfe3837372f34af459f01c0af768a616fb9c8a20c04994237695af925fd. 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 9 File information Comments

SHA256 hash: f3917bfe3837372f34af459f01c0af768a616fb9c8a20c04994237695af925fd
SHA3-384 hash: 9d78a9c99efac80c06ac2f5ad1dee0e027cebda2894a1b2caa6aa5e9d7d198cdce4bb539c2184af30940b6206a80737a
SHA1 hash: 512e576300845f8ae2347186deea346b4ac2c2fc
MD5 hash: 5301e7cca8af762091bea49b3eaf0e90
humanhash: virginia-happy-hotel-zebra
File name:setup.exe
Download: download sample
Signature Stop
File size:769'536 bytes
First seen:2023-03-22 01:42:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a4559d1602669b68de352c9c26c5d967 (2 x Stop, 2 x Smoke Loader, 1 x RedLineStealer)
ssdeep 12288:uFhAxstINA+YsMnwLTtM1NpptFcEy3mdK/32ezKLR16PtJAZETbhdPXVfZeSMNAg:k5j+koqNppzcEy3mdK/2ezKlQVQK9fcO
Threatray 2'673 similar samples on MalwareBazaar
TLSH T1AEF41220B2A2C036E4965D394461D774A93BBC355FA88BDB33444ABD0B347F1DEBA346
TrID 39.5% (.EXE) InstallShield setup (43053/19/16)
28.6% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
9.6% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 00295159090c0d01 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
264
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2023-03-22 01:45:48 UTC
Tags:
installer loader ransomware stop

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
DNS request
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
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
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 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 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: 831893 Sample: setup.exe Startdate: 22/03/2023 Architecture: WINDOWS Score: 100 70 Snort IDS alert for network traffic 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 Antivirus detection for URL or domain 2->74 76 9 other signatures 2->76 11 setup.exe 2->11         started        14 mstsca.exe 2->14         started        16 setup.exe 2->16         started        process3 signatures4 82 Detected unpacking (changes PE section rights) 11->82 84 Detected unpacking (overwrites its own PE header) 11->84 86 Writes a notice file (html or txt) to demand a ransom 11->86 90 2 other signatures 11->90 18 setup.exe 1 16 11->18         started        88 Multi AV Scanner detection for dropped file 14->88 22 schtasks.exe 1 14->22         started        process5 dnsIp6 58 api.2ip.ua 162.0.217.254, 443, 49692, 49693 ACPCA Canada 18->58 52 C:\Users\user\...\setup.exe:Zone.Identifier, ASCII 18->52 dropped 54 C:\Users\user\AppData\Local\...\setup.exe, MS-DOS 18->54 dropped 24 setup.exe 18->24         started        27 icacls.exe 18->27         started        29 conhost.exe 22->29         started        file7 process8 signatures9 80 Injects a PE file into a foreign processes 24->80 31 setup.exe 1 24 24->31         started        process10 dnsIp11 60 zexeq.com 95.158.162.200, 49695, 49696, 80 VIDEOSATBG Bulgaria 31->60 62 uaery.top 175.126.109.15, 49694, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 31->62 64 api.2ip.ua 31->64 44 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 31->44 dropped 46 C:\_readme.txt, ASCII 31->46 dropped 48 C:\Users\user\_readme.txt, ASCII 31->48 dropped 50 216 other malicious files 31->50 dropped 66 Infects executable files (exe, dll, sys, html) 31->66 68 Modifies existing user documents (likely ransomware behavior) 31->68 36 build3.exe 1 31->36         started        file12 signatures13 process14 file15 56 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 36->56 dropped 78 Uses schtasks.exe or at.exe to add and modify task schedules 36->78 40 schtasks.exe 1 36->40         started        signatures16 process17 process18 42 conhost.exe 40->42         started       
Threat name:
Win32.Trojan.Barys
Status:
Malicious
First seen:
2023-03-22 01:43:07 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
22 of 37 (59.46%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar discovery persistence ransomware spyware stealer
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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/test2/get.php
https://steamcommunity.com/profiles/76561199472266392
Unpacked files
SH256 hash:
55c0548cb65388c832a83b1e7a288e025605ab8a7361a81871ced16aba8e2c18
MD5 hash:
8e509e7a654c2cb66aebd6dbe396a9ff
SHA1 hash:
4d3d432a08c2d9b1204b0e65276378004095b50b
Detections:
win_stop_auto
SH256 hash:
f3917bfe3837372f34af459f01c0af768a616fb9c8a20c04994237695af925fd
MD5 hash:
5301e7cca8af762091bea49b3eaf0e90
SHA1 hash:
512e576300845f8ae2347186deea346b4ac2c2fc
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:has_telegram_urls
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
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:Telegram_Links
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 f3917bfe3837372f34af459f01c0af768a616fb9c8a20c04994237695af925fd

(this sample)

  
Delivery method
Distributed via web download

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