MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5bced2e4d51bfcbc4096302d56b663a05b599a7718f9ac84973b132893fcf09. 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 8 File information Comments

SHA256 hash: a5bced2e4d51bfcbc4096302d56b663a05b599a7718f9ac84973b132893fcf09
SHA3-384 hash: 3426ea7b8e5ebd8e3018c26db3c00401f729a9bbb0fa2148422fb38b30c8738d8c07c3b6331aa5f3536495a76ac25f6a
SHA1 hash: d43250eea467a76ad9a51dc57cf54cd0d439ec25
MD5 hash: 5893629ae9f847c40070293d605b3f92
humanhash: potato-foxtrot-carpet-sixteen
File name:setup.exe
Download: download sample
Signature Stop
File size:777'216 bytes
First seen:2023-03-24 00:57:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 57a1d123edd8232af2119d11a9d551b0 (4 x Stop, 1 x TeamBot)
ssdeep 12288:Kb78+Ct/RC/S5IEHDPtr6vHn/WfOSI3SGylYsikFPCttqnMRiBXDCON/E2p4mFp0:aiZAAjlbflsSGyl9iTiBOgqmXSn
Threatray 1'475 similar samples on MalwareBazaar
TLSH T1FCF41212B752DC72C9D245B48518CBB4697BB8328B5346CB73446E2E3E326C2EE7135B
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 0094c462309a8a80 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
269
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2023-03-24 00:57:55 UTC
Tags:
ransomware stop loader

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
Sending a custom TCP request
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
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Behaviour
MalwareBazaar
CPUID_Instruction
MeasuringTime
SystemUptime
EvasionQueryPerformanceCounter
CheckCmdLine
EvasionGetTickCount
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware lockbit packed ransomx ursnif
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, HTMLPhisher, V
Detection:
malicious
Classification:
rans.spre.phis.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
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 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 HtmlPhish10
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 833801 Sample: setup.exe Startdate: 24/03/2023 Architecture: WINDOWS Score: 100 65 Snort IDS alert for network traffic 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 Antivirus detection for URL or domain 2->69 71 8 other signatures 2->71 10 setup.exe 2->10         started        13 setup.exe 2->13         started        process3 signatures4 81 Detected unpacking (changes PE section rights) 10->81 83 Detected unpacking (overwrites its own PE header) 10->83 85 Writes a notice file (html or txt) to demand a ransom 10->85 87 2 other signatures 10->87 15 setup.exe 1 16 10->15         started        process5 dnsIp6 63 api.2ip.ua 162.0.217.254, 443, 49696, 49697 ACPCA Canada 15->63 39 C:\Users\user\...\setup.exe:Zone.Identifier, ASCII 15->39 dropped 41 C:\Users\user\AppData\Local\...\setup.exe, MS-DOS 15->41 dropped 19 setup.exe 15->19         started        22 icacls.exe 15->22         started        file7 process8 signatures9 73 Injects a PE file into a foreign processes 19->73 24 setup.exe 1 24 19->24         started        process10 dnsIp11 57 uaery.top 185.95.186.58, 49698, 80 NEXTNET-ASIQ Iraq 24->57 59 zexeq.com 211.119.84.112, 49699, 49700, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 24->59 61 api.2ip.ua 24->61 45 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 24->45 dropped 47 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 24->47 dropped 49 C:\_readme.txt, ASCII 24->49 dropped 51 215 other files (214 malicious) 24->51 dropped 89 Infects executable files (exe, dll, sys, html) 24->89 91 Modifies existing user documents (likely ransomware behavior) 24->91 29 build2.exe 24->29         started        32 build3.exe 24->32         started        file12 signatures13 process14 file15 93 Detected unpacking (changes PE section rights) 29->93 95 Detected unpacking (overwrites its own PE header) 29->95 35 build2.exe 18 29->35         started        43 C:\Users\user\AppData\Roaming\...\mstsca.exe, MS-DOS 32->43 dropped 97 Uses schtasks.exe or at.exe to add and modify task schedules 32->97 signatures16 process17 dnsIp18 53 t.me 149.154.167.99, 443, 49701 TELEGRAMRU United Kingdom 35->53 55 195.201.45.203, 49702, 80 HETZNER-ASDE Germany 35->55 75 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 35->75 77 Tries to harvest and steal browser information (history, passwords, etc) 35->77 79 Tries to steal Crypto Currency Wallets 35->79 signatures19
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2023-03-24 00:12:13 UTC
File Type:
PE (Exe)
Extracted files:
22
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:00d92484c9b27bc8482a2cc94cacc508 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/raud/get.php
https://steamcommunity.com/profiles/76561199472266392
https://t.me/tabootalks
http://135.181.26.183:80
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 a5bced2e4d51bfcbc4096302d56b663a05b599a7718f9ac84973b132893fcf09

(this sample)

  
Delivery method
Distributed via web download

Comments