MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f577398b47d02dbb683a2ee2a32ffc49326f3874971791646fefdb02d6796f1. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: 5f577398b47d02dbb683a2ee2a32ffc49326f3874971791646fefdb02d6796f1
SHA3-384 hash: 9e4a968d84c7ad1e6e70652f87e2b3d5bd2e6f013265e97a6da3d4d3848ce130efe0685785da8c30967416e133f66054
SHA1 hash: 20dc17eaea5e4efb99c3b3399c5071065c5cdde7
MD5 hash: 85169435edcbc93756e71e9af92d97a4
humanhash: whiskey-harry-music-table
File name:5f577398b47d02dbb683a2ee2a32ffc49326f3874971791646fefdb02d6796f1
Download: download sample
Signature Stop
File size:692'736 bytes
First seen:2021-09-30 12:13:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2966ac92acef7bd43000e50be4b3a82c (3 x RaccoonStealer, 1 x CoinMiner, 1 x ArkeiStealer)
ssdeep 12288:WwDKQzIA0BNRNQZ5d00kKJub6Pkf2uArLgQWx4d8unbGJhQtQxta7vfXI1Nto:nDKQzIA0BNRKZT0/6Pkf2vsQ5d1bSqGx
Threatray 752 similar samples on MalwareBazaar
TLSH T19BE42301F1D0D2B9E45A1374F868E282253E750F4FF1A19A239473DEAE395E60E55B0F
File icon (PE):PE icon
dhash icon 4839b234e8c38890 (121 x RaccoonStealer, 54 x RedLineStealer, 51 x ArkeiStealer)
Reporter JAMESWT_WT
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5f577398b47d02dbb683a2ee2a32ffc49326f3874971791646fefdb02d6796f1
Verdict:
Malicious activity
Analysis date:
2021-09-30 22:49:05 UTC
Tags:
trojan

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
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Connection attempt to an infection source
Sending an HTTP GET request
Sending an HTTP GET request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Malware family:
STOP Ransomware
Verdict:
Malicious
Result
Threat name:
Clipboard Hijacker Djvu Vidar
Detection:
malicious
Classification:
rans.spre.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 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
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 494622 Sample: TAQTauPyBV Startdate: 30/09/2021 Architecture: WINDOWS Score: 100 58 api.2ip.ua 2->58 80 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->80 82 Multi AV Scanner detection for domain / URL 2->82 84 Antivirus detection for URL or domain 2->84 86 9 other signatures 2->86 11 TAQTauPyBV.exe 2->11         started        14 TAQTauPyBV.exe 2->14         started        16 TAQTauPyBV.exe 2->16         started        signatures3 process4 signatures5 96 Detected unpacking (changes PE section rights) 11->96 98 Detected unpacking (overwrites its own PE header) 11->98 100 Contains functionality to inject code into remote processes 11->100 102 Writes many files with high entropy 11->102 18 TAQTauPyBV.exe 1 16 11->18         started        104 Injects a PE file into a foreign processes 14->104 process6 dnsIp7 60 api.2ip.ua 77.123.139.190, 443, 49746, 49751 VOLIA-ASUA Ukraine 18->60 40 C:\Users\...\TAQTauPyBV.exe:Zone.Identifier, ASCII 18->40 dropped 22 TAQTauPyBV.exe 18->22         started        25 icacls.exe 18->25         started        file8 process9 signatures10 94 Injects a PE file into a foreign processes 22->94 27 TAQTauPyBV.exe 1 24 22->27         started        process11 dnsIp12 66 znpst.top 37.75.41.110, 49753, 80 VFM-ASVodafoneMaltaLtdASMT Malta 27->66 68 securebiz.org 201.124.21.227, 49752, 49754, 80 UninetSAdeCVMX Mexico 27->68 70 2 other IPs or domains 27->70 50 C:\Users\...\CachedImage_1280_1024_POS4.jpg, DOS 27->50 dropped 52 C:\Users\user\AppData\...\RE4sQww[1].jpg, COM 27->52 dropped 54 C:\Users\user\AppData\...\wcp-consent[1].js, DOS 27->54 dropped 56 444 other files (433 malicious) 27->56 dropped 106 Infects executable files (exe, dll, sys, html) 27->106 108 Modifies existing user documents (likely ransomware behavior) 27->108 32 build2.exe 27->32         started        file13 signatures14 process15 signatures16 72 Detected unpacking (changes PE section rights) 32->72 74 Detected unpacking (overwrites its own PE header) 32->74 76 Machine Learning detection for dropped file 32->76 78 Injects a PE file into a foreign processes 32->78 35 build2.exe 76 32->35         started        process17 dnsIp18 62 mas.to 88.99.75.82, 443, 49756 HETZNER-ASDE Germany 35->62 64 23.88.108.1, 49758, 80 ENZUINC-US United States 35->64 42 C:\Users\user\AppData\...\softokn3[1].dll, PE32 35->42 dropped 44 C:\Users\user\AppData\...\mozglue[1].dll, PE32 35->44 dropped 46 C:\Users\user\AppData\...\freebl3[1].dll, PE32 35->46 dropped 48 9 other files (none is malicious) 35->48 dropped 88 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 35->88 90 Tries to harvest and steal browser information (history, passwords, etc) 35->90 92 Tries to steal Crypto Currency Wallets 35->92 file19 signatures20
Threat name:
Win32.Ransomware.StopCrypt
Status:
Malicious
First seen:
2021-09-29 13:39:36 UTC
AV detection:
31 of 45 (68.89%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar discovery persistence ransomware 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
Detected Djvu ransomware
Djvu Ransomware
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
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
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.

Comments