MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c9d2ec6165ddea749228a9bd96352f638a665b2d8088b086ee9bf2dacce1f539. 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 9 File information Comments

SHA256 hash: c9d2ec6165ddea749228a9bd96352f638a665b2d8088b086ee9bf2dacce1f539
SHA3-384 hash: 5870c45fe3bfc1bdc96f91138f5b62b1e4b2a55b2f6391b32ad3fd4ecda84f37c4b1298f5218c1dd6958892315097996
SHA1 hash: 3d1863881ba985d00c70b39068356c8687797e38
MD5 hash: 9b398a8adf60ec0a633ea9fb297c4823
humanhash: pizza-failed-one-romeo
File name:9b398a8adf60ec0a633ea9fb297c4823.exe
Download: download sample
Signature Stop
File size:879'616 bytes
First seen:2021-10-28 09:45:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 54b7441daab015de527306d3c41aca4d (1 x Amadey, 1 x Stop, 1 x RedLineStealer)
ssdeep 12288:WLaFWWlrGlEKp+yf9YvHIJxuHrvhgUFb3gB1WTxKr50I5GCQ173RJrX8+8JY5E00:IaEerK5JJxuH7GQ2o60rCAbn8y+GM
Threatray 802 similar samples on MalwareBazaar
TLSH T18815F100A6D1C035F5F612F89A759369B83F7EA29B7460DF12D026EE5A74AE4EC31307
File icon (PE):PE icon
dhash icon b6dacabecee6baa6 (72 x Stop, 68 x RedLineStealer, 55 x Smoke Loader)
Reporter abuse_ch
Tags:exe Ransomware Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
253
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c9d2ec6165ddea749228a9bd96352f638a665b2d8088b086ee9bf2dacce1f539.zip
Verdict:
Malicious activity
Analysis date:
2021-10-28 11:40:48 UTC
Tags:
trojan ransomware stop loader stealer vidar

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 to an infection source
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
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:
Clipboard Hijacker Djvu Vidar
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Contains functionality to inject code into remote processes
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 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 dropped 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 signatures2 2 Behavior Graph ID: 510884 Sample: AQ7reGjgnP.exe Startdate: 28/10/2021 Architecture: WINDOWS Score: 100 117 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->117 119 Multi AV Scanner detection for domain / URL 2->119 121 Antivirus detection for dropped file 2->121 123 9 other signatures 2->123 12 AQ7reGjgnP.exe 2->12         started        15 mstsca.exe 2->15         started        17 AQ7reGjgnP.exe 2->17         started        19 3 other processes 2->19 process3 signatures4 133 Contains functionality to inject code into remote processes 12->133 135 Writes many files with high entropy 12->135 137 Injects a PE file into a foreign processes 12->137 21 AQ7reGjgnP.exe 1 17 12->21         started        139 Antivirus detection for dropped file 15->139 141 Machine Learning detection for dropped file 15->141 25 mstsca.exe 15->25         started        27 AQ7reGjgnP.exe 13 17->27         started        29 AQ7reGjgnP.exe 13 19->29         started        31 AQ7reGjgnP.exe 19->31         started        33 mstsca.exe 19->33         started        process5 dnsIp6 93 api.2ip.ua 77.123.139.190, 443, 49758, 49759 VOLIA-ASUA Ukraine 21->93 73 C:\Users\...\AQ7reGjgnP.exe:Zone.Identifier, ASCII 21->73 dropped 35 AQ7reGjgnP.exe 21->35         started        38 icacls.exe 21->38         started        40 schtasks.exe 25->40         started        95 192.168.2.1 unknown unknown 31->95 file7 process8 signatures9 125 Injects a PE file into a foreign processes 35->125 42 AQ7reGjgnP.exe 1 25 35->42         started        47 conhost.exe 40->47         started        process10 dnsIp11 101 rlrz.org 211.53.202.252, 49760, 49765, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 42->101 103 znpst.top 190.218.32.60, 49761, 80 CableOndaPA Panama 42->103 105 api.2ip.ua 42->105 85 C:\Users\user\AppData\Local\...\build2.exe, PE32 42->85 dropped 87 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 42->87 dropped 89 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 42->89 dropped 91 50 other files (47 malicious) 42->91 dropped 143 Modifies existing user documents (likely ransomware behavior) 42->143 49 build2.exe 42->49         started        52 build3.exe 42->52         started        file12 signatures13 process14 signatures15 107 Antivirus detection for dropped file 49->107 109 Machine Learning detection for dropped file 49->109 111 Writes many files with high entropy 49->111 113 Injects a PE file into a foreign processes 49->113 54 build2.exe 49->54         started        115 Uses schtasks.exe or at.exe to add and modify task schedules 52->115 59 build3.exe 52->59         started        process16 dnsIp17 97 mas.to 88.99.75.82, 443, 49767 HETZNER-ASDE Germany 54->97 99 65.108.80.190, 49769, 80 ALABANZA-BALTUS United States 54->99 75 d06ed635-68f6-4e9a...57b9a8420520492.zip, Zip 54->75 dropped 77 C:\Users\user\AppData\...\msvcp140[1].dll, PE32 54->77 dropped 79 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 54->79 dropped 83 10 other files (none is malicious) 54->83 dropped 127 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 54->127 129 Tries to harvest and steal browser information (history, passwords, etc) 54->129 131 Tries to steal Crypto Currency Wallets 54->131 61 cmd.exe 54->61         started        81 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 59->81 dropped 63 schtasks.exe 59->63         started        file18 signatures19 process20 process21 65 conhost.exe 61->65         started        67 taskkill.exe 61->67         started        69 timeout.exe 61->69         started        71 conhost.exe 63->71         started       
Threat name:
Win32.Ransomware.Stop
Status:
Malicious
First seen:
2021-10-28 09:46:06 UTC
AV detection:
22 of 44 (50.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:517 discovery persistence ransomware spyware stealer
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
Malware Config
C2 Extraction:
https://mas.to/@xeroxxx
http://rlrz.org/lancer
Unpacked files
SH256 hash:
c9d2ec6165ddea749228a9bd96352f638a665b2d8088b086ee9bf2dacce1f539
MD5 hash:
9b398a8adf60ec0a633ea9fb297c4823
SHA1 hash:
3d1863881ba985d00c70b39068356c8687797e38
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:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks
Rule name:MALWARE_Win_STOP
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:MALWARE_Win_Vidar
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
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:Vidar
Author:kevoreilly
Description:Vidar Payload
Rule name:win_stop_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stop.
Rule name:XOREngine_Misc_XOR_Func
Author:smiller cc @florian @wesley idea on implementation with yara's built in XOR function
Description:Use with care, https://twitter.com/cyb3rops/status/1237042104406355968

File information


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

Web download

Stop

Executable exe c9d2ec6165ddea749228a9bd96352f638a665b2d8088b086ee9bf2dacce1f539

(this sample)

  
Delivery method
Distributed via web download

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