MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5651c726a433d942eb9cdbe74c6631178fa3e243e0953e0a55f54f1752e05682. 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: 11


Intelligence 11 IOCs 1 YARA 2 File information Comments

SHA256 hash: 5651c726a433d942eb9cdbe74c6631178fa3e243e0953e0a55f54f1752e05682
SHA3-384 hash: e929233751eb2d2f748e1cbc9c07ee3001c803561e4a4ad79923dff5b832bd160cdfb0e33717282b5f1ac7c3701cb69d
SHA1 hash: 25ac9da0e40f472e0c7fc01c5137d9e3a53c0567
MD5 hash: 68b16b954da4726f6ccdaff90b0d6c23
humanhash: vegan-five-social-north
File name:68b16b954da4726f6ccdaff90b0d6c23.exe
Download: download sample
Signature Stop
File size:785'920 bytes
First seen:2021-08-01 02:05:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash be037a61d0fc8d95adaf9a493416af5f (2 x Stop, 1 x RedLineStealer, 1 x GCleaner)
ssdeep 12288:wq/ULziS0lTsm41fQka0hLmw/ozhGNLZ5uq7YdqNFl3NB1UZE:wqxSG4ZU0hSSpMYHlN4
Threatray 402 similar samples on MalwareBazaar
TLSH T12CF41250F141C062C71206B04465C6612728ACF6AD7982473758EB7F7EF73F1A6A2EE3
dhash icon 48b9b2b0e8c38890 (13 x RaccoonStealer, 5 x RedLineStealer, 3 x Glupteba)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://astdg.top/fhsgtsspen6/get.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://astdg.top/fhsgtsspen6/get.php https://threatfox.abuse.ch/ioc/165211/

Intelligence


File Origin
# of uploads :
1
# of downloads :
1'759
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
68b16b954da4726f6ccdaff90b0d6c23.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-01 02:08:38 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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:
Djvu Vidar
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found many strings related to Crypto-Wallets (likely being stolen)
Found ransom note / readme
Injects a PE file into a foreign processes
Machine Learning detection for sample
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 many files with high entropy
Yara detected Djvu Ransomware
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 457412 Sample: YoKh9rD5xR.exe Startdate: 01/08/2021 Architecture: WINDOWS Score: 100 81 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->81 83 Multi AV Scanner detection for domain / URL 2->83 85 Antivirus detection for URL or domain 2->85 87 7 other signatures 2->87 10 YoKh9rD5xR.exe 2->10         started        13 YoKh9rD5xR.exe 2->13         started        15 YoKh9rD5xR.exe 2->15         started        17 YoKh9rD5xR.exe 2->17         started        process3 signatures4 99 Detected unpacking (changes PE section rights) 10->99 101 Detected unpacking (overwrites its own PE header) 10->101 103 Contains functionality to inject code into remote processes 10->103 105 Writes many files with high entropy 10->105 19 YoKh9rD5xR.exe 1 18 10->19         started        107 Injects a PE file into a foreign processes 13->107 23 YoKh9rD5xR.exe 13 13->23         started        25 YoKh9rD5xR.exe 15->25         started        27 YoKh9rD5xR.exe 17->27         started        process5 dnsIp6 73 api.2ip.ua 77.123.139.190, 443, 49713, 49719 VOLIA-ASUA Ukraine 19->73 57 C:\Users\...\YoKh9rD5xR.exe:Zone.Identifier, ASCII 19->57 dropped 29 YoKh9rD5xR.exe 19->29         started        32 icacls.exe 19->32         started        file7 process8 signatures9 109 Injects a PE file into a foreign processes 29->109 34 YoKh9rD5xR.exe 1 25 29->34         started        process10 dnsIp11 67 securebiz.org 106.241.4.103, 49721, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 34->67 69 astdg.top 220.125.1.129, 49722, 49726, 80 KIXS-AS-KRKoreaTelecomKR Korea Republic of 34->69 71 api.2ip.ua 34->71 49 C:\...\HxCommAlwaysOnLog_Old.etl.nooa (copy), MIPSEL 34->49 dropped 51 C:\Users\user\AppData\Local\...\build3.exe, PE32 34->51 dropped 53 C:\Users\user\AppData\Local\...\build2.exe, PE32 34->53 dropped 55 262 other files (251 malicious) 34->55 dropped 89 Modifies existing user documents (likely ransomware behavior) 34->89 39 build2.exe 34->39         started        42 build3.exe 34->42         started        file12 signatures13 process14 signatures15 91 Detected unpacking (changes PE section rights) 39->91 93 Detected unpacking (overwrites its own PE header) 39->93 95 Injects a PE file into a foreign processes 39->95 44 build2.exe 39->44         started        97 Uses schtasks.exe or at.exe to add and modify task schedules 42->97 process16 dnsIp17 75 116.202.183.50, 49730, 80 HETZNER-ASDE Germany 44->75 77 shpak125.tumblr.com 74.114.154.22, 443, 49729 AUTOMATTICUS Canada 44->77 79 clientconfig.passport.net 44->79 59 C:\Users\user\AppData\...\softokn3[1].dll, PE32 44->59 dropped 61 C:\Users\user\AppData\...\freebl3[1].dll, PE32 44->61 dropped 63 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 44->63 dropped 65 9 other files (none is malicious) 44->65 dropped 111 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 44->111 113 Tries to harvest and steal browser information (history, passwords, etc) 44->113 115 Tries to steal Crypto Currency Wallets 44->115 file18 signatures19
Gathering data
Threat name:
Win32.Trojan.Hynamer
Status:
Malicious
First seen:
2021-08-01 02:34:42 UTC
AV detection:
22 of 46 (47.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar botnet:517 discovery persistence spyware stealer suricata
Behaviour
Checks processor information in registry
Creates scheduled task(s)
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
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Vidar Stealer
Vidar
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
Malware Config
C2 Extraction:
https://shpak125.tumblr.com/
Unpacked files
SH256 hash:
5651c726a433d942eb9cdbe74c6631178fa3e243e0953e0a55f54f1752e05682
MD5 hash:
68b16b954da4726f6ccdaff90b0d6c23
SHA1 hash:
25ac9da0e40f472e0c7fc01c5137d9e3a53c0567
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:SUSP_XORed_URL_in_EXE
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Stop

Executable exe 5651c726a433d942eb9cdbe74c6631178fa3e243e0953e0a55f54f1752e05682

(this sample)

  
Delivery method
Distributed via web download

Comments