MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88d67c7e94fa9af91f6d04301bc97bdaf9903ae8bea1a440163d173aaf7bfc3c. 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: 14


Intelligence 14 IOCs 1 YARA 5 File information Comments

SHA256 hash: 88d67c7e94fa9af91f6d04301bc97bdaf9903ae8bea1a440163d173aaf7bfc3c
SHA3-384 hash: 7ba98140196cbf515ef37ac15515becddaccd3327f8fff57f819b1ae851110ddaf9b18fccaccc2ae3283397356ba5c60
SHA1 hash: 904f933e8e3a03463edae926f36935f72ff961a8
MD5 hash: 23be8c0452eea13cc9d81bc821137858
humanhash: fruit-double-equal-batman
File name:23be8c0452eea13cc9d81bc821137858.exe
Download: download sample
Signature Stop
File size:834'048 bytes
First seen:2022-07-30 16:25:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 43854f2321b6780212334d3666e9e1f3 (1 x RedLineStealer, 1 x Stop)
ssdeep 24576:3PQ17p7b10FHCOFGzkItQs7pbvnO7VTFM:3SF1uHCOwz7nbvnOH
TLSH T1C005F1106A80CC31F5BB51F459B992EDA92A7AE19B3451CF62D43AEE5B3C5E0EC30707
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 9824e7d0c4e72158 (35 x RedLineStealer, 23 x Smoke Loader, 14 x ArkeiStealer)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://95.217.244.216/

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://95.217.244.216/517 https://threatfox.abuse.ch/ioc/840131/

Intelligence


File Origin
# of uploads :
1
# of downloads :
272
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
DNS request
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
MalwareBazaar
SystemUptime
MeasuringTime
EvasionQueryPerformanceCounter
CheckCmdLine
EvasionGetTickCount
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
filecoder greyware lockbit packed smokeloader
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:
Djvu, Vidar
Detection:
malicious
Classification:
rans.spre.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Detected unpacking (creates a PE file in dynamic memory)
Found many strings related to Crypto-Wallets (likely being stolen)
Found ransom note / readme
Infects executable files (exe, dll, sys, html)
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
Writes many files with high entropy
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 676057 Sample: YhLDc9GdRF.exe Startdate: 30/07/2022 Architecture: WINDOWS Score: 100 89 Snort IDS alert for network traffic 2->89 91 Multi AV Scanner detection for domain / URL 2->91 93 Malicious sample detected (through community Yara rule) 2->93 95 10 other signatures 2->95 12 YhLDc9GdRF.exe 2->12         started        15 YhLDc9GdRF.exe 2->15         started        17 YhLDc9GdRF.exe 2->17         started        19 YhLDc9GdRF.exe 2->19         started        process3 signatures4 109 Contains functionality to inject code into remote processes 12->109 111 Writes many files with high entropy 12->111 113 Injects a PE file into a foreign processes 12->113 21 YhLDc9GdRF.exe 1 17 12->21         started        25 YhLDc9GdRF.exe 15->25         started        28 YhLDc9GdRF.exe 14 17->28         started        30 YhLDc9GdRF.exe 13 19->30         started        process5 dnsIp6 73 api.2ip.ua 162.0.217.254, 443, 49737, 49738 ACPCA Canada 21->73 75 192.168.2.1 unknown unknown 21->75 57 C:\Users\...\YhLDc9GdRF.exe:Zone.Identifier, ASCII 21->57 dropped 59 C:\Users\user\AppData\...\YhLDc9GdRF.exe, MS-DOS 21->59 dropped 32 YhLDc9GdRF.exe 21->32         started        35 icacls.exe 21->35         started        61 C:\Users\user\Desktop\...\PIVFAGEAAV.xlsx, data 25->61 dropped 63 C:\Users\user\Desktop\...63VWZAPQSQL.jpg, data 25->63 dropped 101 Modifies existing user documents (likely ransomware behavior) 25->101 file7 signatures8 process9 signatures10 87 Injects a PE file into a foreign processes 32->87 37 YhLDc9GdRF.exe 1 23 32->37         started        process11 dnsIp12 77 acacaca.org 175.126.109.15, 49739, 49741, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 37->77 79 rgyui.top 91.139.196.113, 49740, 80 BULSATCOM-BG-ASSofiaBG Bulgaria 37->79 81 api.2ip.ua 37->81 65 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 37->65 dropped 67 C:\Users\user\AppData\Local\...\build2.exe, PE32 37->67 dropped 69 C:\_readme.txt, ASCII 37->69 dropped 71 44 other files (41 malicious) 37->71 dropped 97 Infects executable files (exe, dll, sys, html) 37->97 99 Modifies existing user documents (likely ransomware behavior) 37->99 42 build2.exe 37->42         started        file13 signatures14 process15 signatures16 103 Multi AV Scanner detection for dropped file 42->103 105 Detected unpacking (creates a PE file in dynamic memory) 42->105 107 Machine Learning detection for dropped file 42->107 45 build2.exe 42->45         started        process17 dnsIp18 83 t.me 149.154.167.99, 443, 49743 TELEGRAMRU United Kingdom 45->83 85 95.217.244.216, 49744, 80 HETZNER-ASDE Germany 45->85 115 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 45->115 117 Tries to harvest and steal browser information (history, passwords, etc) 45->117 119 Tries to steal Crypto Currency Wallets 45->119 49 cmd.exe 45->49         started        signatures19 process20 process21 51 conhost.exe 49->51         started        53 taskkill.exe 49->53         started        55 timeout.exe 49->55         started       
Threat name:
Win32.Ransomware.StopCrypt
Status:
Malicious
First seen:
2022-07-05 23:49:09 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:517 discovery persistence ransomware spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
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
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Detected Djvu ransomware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
http://acacaca.org/test1/get.php
https://t.me/cheaptrains
https://mastodon.social/@ffolegg94
Unpacked files
SH256 hash:
2a657189d56df13612532fd0eda340f214a3328fb9d80bebd70be65512aaafbe
MD5 hash:
dd07035b3ca2998a17d0054f078e7e75
SHA1 hash:
7b34f6d84c9b047a6e331eee2f52d732bea3a43b
Detections:
win_stop_auto
SH256 hash:
88d67c7e94fa9af91f6d04301bc97bdaf9903ae8bea1a440163d173aaf7bfc3c
MD5 hash:
23be8c0452eea13cc9d81bc821137858
SHA1 hash:
904f933e8e3a03463edae926f36935f72ff961a8
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
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: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.

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