MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 799b56f046c39964135462aaf2b61095998dbfbb3a19f8575e8ed371c9ecf45d. 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: 799b56f046c39964135462aaf2b61095998dbfbb3a19f8575e8ed371c9ecf45d
SHA3-384 hash: 64619ac79ec77e4777dd9f1619559e4836a7dfce69ee0f60b612ce41edc4b7339d7b59a0a5657f5d218336cdd62c8e09
SHA1 hash: de0c3512787c4c4851482769970c067518648be9
MD5 hash: 7661dddd265ec4786df2ff2de68dc098
humanhash: eighteen-foxtrot-nineteen-zebra
File name:799b56f046c39964135462aaf2b61095998dbfbb3a19f8575e8ed371c9ecf45d
Download: download sample
Signature Stop
File size:833'536 bytes
First seen:2023-05-18 13:57:49 UTC
Last seen:2023-05-21 11:16:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ea30b38d7abd4cdbca38be77ee3216ef (4 x Glupteba, 3 x Stop, 2 x RedLineStealer)
ssdeep 12288:JzunA7vWPCnszyGiDZCiP0a+Xa6zSFjrPPhOI0NdVB1iRjISn7+DnPUJS:BvOan6yGiDPPtjrYIC1EjIyunPUJ
Threatray 1'771 similar samples on MalwareBazaar
TLSH T19805E10392A17CA3E5228A3E4E1EDAEC769EF9514F0D3BD76A545A2B04B12F3C573305
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 10080a224a001200 (1 x Stop)
Reporter JaffaCakes118
Tags:Stop

Intelligence


File Origin
# of uploads :
3
# of downloads :
78
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
799b56f046c39964135462aaf2b61095998dbfbb3a19f8575e8ed371c9ecf45d
Verdict:
Malicious activity
Analysis date:
2023-05-18 17:08:05 UTC
Tags:
ransomware stop

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
Adding an access-denied ACE
Сreating synchronization primitives
Deleting a recently created file
Sending a custom TCP 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
MeasuringTime
SystemUptime
CPUID_Instruction
CheckCmdLine
EvasionGetTickCount
EvasionQueryPerformanceCounter
Gathering data
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:
Babuk, 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 malware configuration
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 domain / URL
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 known network protocols on non-standard ports
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 Babuk Ransomware
Yara detected Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 869411 Sample: d6LHkEwMOs.exe Startdate: 18/05/2023 Architecture: WINDOWS Score: 100 80 Snort IDS alert for network traffic 2->80 82 Multi AV Scanner detection for domain / URL 2->82 84 Found malware configuration 2->84 86 12 other signatures 2->86 11 d6LHkEwMOs.exe 2->11         started        14 d6LHkEwMOs.exe 2->14         started        16 d6LHkEwMOs.exe 2->16         started        18 d6LHkEwMOs.exe 2->18         started        process3 signatures4 96 Detected unpacking (changes PE section rights) 11->96 98 Detected unpacking (overwrites its own PE header) 11->98 100 Writes a notice file (html or txt) to demand a ransom 11->100 102 Writes many files with high entropy 11->102 20 d6LHkEwMOs.exe 1 17 11->20         started        104 Multi AV Scanner detection for dropped file 14->104 106 Machine Learning detection for dropped file 14->106 108 Injects a PE file into a foreign processes 14->108 24 d6LHkEwMOs.exe 13 14->24         started        26 d6LHkEwMOs.exe 16->26         started        28 d6LHkEwMOs.exe 18->28         started        process5 dnsIp6 74 api.2ip.ua 162.0.217.254, 443, 49713, 49714 ACPCA Canada 20->74 62 C:\Users\user\AppData\...\d6LHkEwMOs.exe, PE32 20->62 dropped 64 C:\Users\...\d6LHkEwMOs.exe:Zone.Identifier, ASCII 20->64 dropped 30 d6LHkEwMOs.exe 20->30         started        33 icacls.exe 20->33         started        file7 process8 signatures9 110 Injects a PE file into a foreign processes 30->110 35 d6LHkEwMOs.exe 1 25 30->35         started        process10 dnsIp11 68 zexeq.com 175.119.10.231, 49715, 49718, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 35->68 70 colisumy.com 211.59.14.90, 49716, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 35->70 72 2 other IPs or domains 35->72 54 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 35->54 dropped 56 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 35->56 dropped 58 C:\_readme.txt, ASCII 35->58 dropped 60 116 other malicious files 35->60 dropped 88 Modifies existing user documents (likely ransomware behavior) 35->88 40 build2.exe 35->40         started        43 build3.exe 35->43         started        file12 signatures13 process14 file15 90 Detected unpacking (changes PE section rights) 40->90 92 Detected unpacking (overwrites its own PE header) 40->92 46 build2.exe 40->46         started        66 C:\Users\user\AppData\Roaming\...\mstsca.exe, MS-DOS 43->66 dropped 94 Uses schtasks.exe or at.exe to add and modify task schedules 43->94 50 schtasks.exe 43->50         started        signatures16 process17 dnsIp18 76 t.me 149.154.167.99, 443, 49719 TELEGRAMRU United Kingdom 46->76 78 5.75.234.140, 49722, 8333 HETZNER-ASDE Germany 46->78 112 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 46->112 114 Tries to harvest and steal browser information (history, passwords, etc) 46->114 116 Tries to steal Crypto Currency Wallets 46->116 52 conhost.exe 50->52         started        signatures19 process20
Threat name:
Win32.Ransomware.Stop
Status:
Malicious
First seen:
2023-05-18 13:18:14 UTC
File Type:
PE (Exe)
Extracted files:
49
AV detection:
26 of 36 (72.22%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:9dfa7ee730fa2f1efb5ed51dbbec22f5 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/lancer/get.php
https://steamcommunity.com/profiles/76561199263069598
https://t.me/cybehost
Unpacked files
SH256 hash:
731cfc2aea1727f0d3f25e22927a5ffc4ea7e0fa83d7761eb9ec947e472f5741
MD5 hash:
fc05dee2de352cb0d304aa0570339040
SHA1 hash:
9f73d84aba7b8b1285545ad47b976519cddb5fe4
Detections:
win_stop_auto
SH256 hash:
799b56f046c39964135462aaf2b61095998dbfbb3a19f8575e8ed371c9ecf45d
MD5 hash:
7661dddd265ec4786df2ff2de68dc098
SHA1 hash:
de0c3512787c4c4851482769970c067518648be9
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.

Comments