MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84d1ac925dd48927aa12e4c519e081c39f0f41c2d226ec55d28fa2095c19be1e. 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: 15


Intelligence 15 IOCs YARA 6 File information Comments

SHA256 hash: 84d1ac925dd48927aa12e4c519e081c39f0f41c2d226ec55d28fa2095c19be1e
SHA3-384 hash: caa0c0f9eace739b7ca10cfe51acf0543a81cab82e7591001e55fcca3d3fc092c3b53b4fc1220a2ff411a70086992470
SHA1 hash: 5f276534c0727cd5a62eccbd12e571e21f9e50c8
MD5 hash: 4dd6ca83655d5195a00ffe5157ff7002
humanhash: four-carpet-hot-beer
File name:gunshot.exe
Download: download sample
Signature Stop
File size:916'992 bytes
First seen:2023-03-23 01:49:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 8800deabeb7a145ec7133669ba643dcb (3 x Smoke Loader, 1 x RedLineStealer, 1 x Tofsee)
ssdeep 12288:Oldnz8029YL4TzDFypbr8XR9K3ARv4RraJMmuepBTI19AZQVSagyf:Og029AEzD6brcqQvKadlXTWA2Ma
Threatray 1'434 similar samples on MalwareBazaar
TLSH T19315F10212D36C61EE6247B28F1EC6F82A6EBC619E1B7B9E275DBD3F0D70161C562305
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 10d2c04068446052 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
296
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-03-22 23:25:05 UTC
Tags:
loader smoke trojan 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
Deleting a recently created file
DNS request
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:
azorult filecoder glupteba greyware lockbit packed
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:
Clipboard Hijacker, Djvu, Vidar
Detection:
malicious
Classification:
rans.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
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)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for dropped file
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
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 Vidar stealer
Yara detected ZipBomb
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 832940 Sample: gunshot.exe Startdate: 23/03/2023 Architecture: WINDOWS Score: 100 92 Snort IDS alert for network traffic 2->92 94 Malicious sample detected (through community Yara rule) 2->94 96 Antivirus detection for URL or domain 2->96 98 8 other signatures 2->98 11 gunshot.exe 2->11         started        14 gunshot.exe 2->14         started        16 gunshot.exe 2->16         started        18 2 other processes 2->18 process3 signatures4 108 Detected unpacking (changes PE section rights) 11->108 110 Detected unpacking (overwrites its own PE header) 11->110 112 Writes a notice file (html or txt) to demand a ransom 11->112 114 Writes many files with high entropy 11->114 20 gunshot.exe 1 16 11->20         started        116 Multi AV Scanner detection for dropped file 14->116 118 Machine Learning detection for dropped file 14->118 120 Injects a PE file into a foreign processes 14->120 24 gunshot.exe 14->24         started        26 gunshot.exe 12 16->26         started        28 gunshot.exe 18->28         started        30 schtasks.exe 18->30         started        process5 dnsIp6 78 api.2ip.ua 162.0.217.254, 443, 49699, 49700 ACPCA Canada 20->78 80 192.168.2.1 unknown unknown 20->80 60 C:\Users\user\AppData\Local\...\gunshot.exe, PE32 20->60 dropped 62 C:\Users\user\...\gunshot.exe:Zone.Identifier, ASCII 20->62 dropped 32 gunshot.exe 20->32         started        35 icacls.exe 20->35         started        82 zexeq.com 24->82 37 conhost.exe 30->37         started        file7 process8 signatures9 90 Injects a PE file into a foreign processes 32->90 39 gunshot.exe 1 25 32->39         started        process10 dnsIp11 84 uaery.top 175.126.109.15, 49701, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 39->84 86 zexeq.com 211.53.230.67, 49702, 49703, 49711 LGDACOMLGDACOMCorporationKR Korea Republic of 39->86 88 api.2ip.ua 39->88 64 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 39->64 dropped 66 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 39->66 dropped 68 C:\_readme.txt, ASCII 39->68 dropped 70 141 other malicious files 39->70 dropped 106 Modifies existing user documents (likely ransomware behavior) 39->106 44 build2.exe 39->44         started        47 build3.exe 1 39->47         started        file12 signatures13 process14 file15 122 Detected unpacking (changes PE section rights) 44->122 124 Detected unpacking (overwrites its own PE header) 44->124 126 Injects a PE file into a foreign processes 44->126 50 build2.exe 44->50         started        72 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 47->72 dropped 128 Uses schtasks.exe or at.exe to add and modify task schedules 47->128 54 schtasks.exe 47->54         started        signatures16 process17 dnsIp18 74 t.me 149.154.167.99, 443, 49707 TELEGRAMRU United Kingdom 50->74 76 195.201.45.203, 49708, 80 HETZNER-ASDE Germany 50->76 100 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 50->100 102 Tries to harvest and steal browser information (history, passwords, etc) 50->102 104 Tries to steal Crypto Currency Wallets 50->104 56 WerFault.exe 50->56         started        58 conhost.exe 54->58         started        signatures19 process20
Threat name:
Win32.Trojan.Glupteba
Status:
Malicious
First seen:
2023-03-23 01:52:19 UTC
File Type:
PE (Exe)
Extracted files:
43
AV detection:
23 of 24 (95.83%)
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 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:
84d1ac925dd48927aa12e4c519e081c39f0f41c2d226ec55d28fa2095c19be1e
MD5 hash:
4dd6ca83655d5195a00ffe5157ff7002
SHA1 hash:
5f276534c0727cd5a62eccbd12e571e21f9e50c8
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 84d1ac925dd48927aa12e4c519e081c39f0f41c2d226ec55d28fa2095c19be1e

(this sample)

  
Delivery method
Distributed via web download

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