MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f615699d8fbe4b3779b5416725c5ba75bd4176c2ab17ab75c1fdace8630dbbe9. 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: f615699d8fbe4b3779b5416725c5ba75bd4176c2ab17ab75c1fdace8630dbbe9
SHA3-384 hash: f29b8582a843f1883a4eb56de019759fe68cad7dfe4b82c36c203c069a35fadaa72df1c8ef43d672edec12ed7ed660b3
SHA1 hash: 943c3ea740ccc39858ea1891e6dec67f39e7b3af
MD5 hash: 6e43d4f709e855813e5f5ea1cb6f505b
humanhash: harry-sierra-colorado-fillet
File name:setup.exe
Download: download sample
Signature Stop
File size:818'176 bytes
First seen:2023-03-16 14:42:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0011bb4cb3dd2f1183b8c6c4581099ab (3 x RedLineStealer, 1 x Gozi, 1 x Amadey)
ssdeep 24576:qx2R2HYSpMyYd/KmnVtaoQCdEM9nXr59t:nAMyE/7nVtawdEM9nXF9
Threatray 1'354 similar samples on MalwareBazaar
TLSH T10D05E10383E1BD64E92A8B339E2FD6F8761DF5518E497B292229BF2F10B1172D163711
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 8028940480404400 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
233
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2023-03-16 14:43:02 UTC
Tags:
ransomware stop loader stealer

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
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
MeasuringTime
SystemUptime
CheckCmdLine
EvasionQueryPerformanceCounter
EvasionGetTickCount
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
azorult gozi greyware lockbit packed ransomx
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, V
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 (creates a PE file in dynamic memory)
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 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
Tries to steal Mail credentials (via file / registry access)
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
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 827927 Sample: setup.exe Startdate: 16/03/2023 Architecture: WINDOWS Score: 100 83 Snort IDS alert for network traffic 2->83 85 Malicious sample detected (through community Yara rule) 2->85 87 Antivirus detection for URL or domain 2->87 89 9 other signatures 2->89 12 setup.exe 2->12         started        15 mstsca.exe 2->15         started        17 setup.exe 2->17         started        process3 signatures4 105 Detected unpacking (changes PE section rights) 12->105 107 Detected unpacking (overwrites its own PE header) 12->107 109 Writes a notice file (html or txt) to demand a ransom 12->109 113 2 other signatures 12->113 19 setup.exe 1 16 12->19         started        111 Multi AV Scanner detection for dropped file 15->111 23 schtasks.exe 15->23         started        process5 dnsIp6 77 api.2ip.ua 162.0.217.254, 443, 49692, 49693 ACPCA Canada 19->77 65 C:\Users\user\...\setup.exe:Zone.Identifier, ASCII 19->65 dropped 67 C:\Users\user\AppData\Local\...\setup.exe, MS-DOS 19->67 dropped 25 setup.exe 19->25         started        28 icacls.exe 19->28         started        30 conhost.exe 23->30         started        file7 process8 signatures9 103 Injects a PE file into a foreign processes 25->103 32 setup.exe 1 24 25->32         started        process10 dnsIp11 71 zexeq.com 109.98.58.98, 49695, 49696, 80 RTDBucharestRomaniaRO Romania 32->71 73 uaery.top 95.107.163.44, 49694, 80 ASC-AL-ASAL Albania 32->73 75 api.2ip.ua 32->75 57 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 32->57 dropped 59 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 32->59 dropped 61 C:\_readme.txt, ASCII 32->61 dropped 63 221 other malicious files 32->63 dropped 91 Infects executable files (exe, dll, sys, html) 32->91 93 Modifies existing user documents (likely ransomware behavior) 32->93 37 build2.exe 32->37         started        40 build3.exe 32->40         started        file12 signatures13 process14 file15 95 Detected unpacking (changes PE section rights) 37->95 97 Detected unpacking (creates a PE file in dynamic memory) 37->97 99 Detected unpacking (overwrites its own PE header) 37->99 43 build2.exe 19 37->43         started        69 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 40->69 dropped 101 Uses schtasks.exe or at.exe to add and modify task schedules 40->101 47 schtasks.exe 40->47         started        signatures16 process17 dnsIp18 79 t.me 149.154.167.99, 443, 49697 TELEGRAMRU United Kingdom 43->79 81 195.201.255.32, 49698, 80 HETZNER-ASDE Germany 43->81 115 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 43->115 117 Tries to steal Mail credentials (via file / registry access) 43->117 119 Tries to harvest and steal browser information (history, passwords, etc) 43->119 121 Tries to steal Crypto Currency Wallets 43->121 49 cmd.exe 43->49         started        51 conhost.exe 47->51         started        signatures19 process20 process21 53 conhost.exe 49->53         started        55 timeout.exe 49->55         started       
Threat name:
Win32.Trojan.Azorult
Status:
Malicious
First seen:
2023-03-15 19:33:14 UTC
File Type:
PE (Exe)
Extracted files:
67
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:d6ef050131e7d5a1d595c51613328971 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/test1/get.php
https://t.me/zaskullz
https://steamcommunity.com/profiles/76561199486572327
http://135.181.87.234:80
Unpacked files
SH256 hash:
f615699d8fbe4b3779b5416725c5ba75bd4176c2ab17ab75c1fdace8630dbbe9
MD5 hash:
6e43d4f709e855813e5f5ea1cb6f505b
SHA1 hash:
943c3ea740ccc39858ea1891e6dec67f39e7b3af
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 f615699d8fbe4b3779b5416725c5ba75bd4176c2ab17ab75c1fdace8630dbbe9

(this sample)

  
Delivery method
Distributed via web download

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