MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 74251d8c7a300c4bd22fbe4807a1d5ace6303c95d44196652cdb728185a9ae3b. 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 2 File information Comments

SHA256 hash: 74251d8c7a300c4bd22fbe4807a1d5ace6303c95d44196652cdb728185a9ae3b
SHA3-384 hash: 62ec66d6a91917596079998fb9bfa052e524e1812e2ff56ac51bf953a2dd91e695c4e3369792bb49b08ad2d7e97d5890
SHA1 hash: 2c4e4130b3e50f6021afa4e5722cbe6dac47a922
MD5 hash: 21889472081c6ff4601a61eaef052be9
humanhash: sodium-steak-bluebird-rugby
File name:21889472081c6ff4601a61eaef052be9.exe
Download: download sample
Signature Stop
File size:704'512 bytes
First seen:2021-08-29 07:10:28 UTC
Last seen:2021-08-29 08:20:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 0336658842541b9e17744ccc2800922a (13 x RaccoonStealer, 2 x CoinMiner, 2 x RedLineStealer)
ssdeep 12288:jsalhTWzh3FOHXTpxqMrXf8KvS+voKyLRrOF99JVRT9aLNBAa0c:lTOh1YmA7olLRrq99t9aLAa
Threatray 447 similar samples on MalwareBazaar
TLSH T115E4122176B0C573C7C369B15D8CF6B12B2B78379A78A25B2B18172E3F24490D62D367
dhash icon 4839b2b0e8c38890 (105 x RaccoonStealer, 38 x Smoke Loader, 33 x RedLineStealer)
Reporter abuse_ch
Tags:exe Ransomware Stop

Intelligence


File Origin
# of uploads :
2
# of downloads :
294
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
21889472081c6ff4601a61eaef052be9.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-29 07:10:57 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a window
Unauthorized injection to a recently created process
Connection attempt
Sending a custom TCP request
Sending a UDP request
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Deleting a recently created 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
Enabling autorun by creating a file
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)
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
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for submitted file
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 Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 473416 Sample: xhdU78CLMs.exe Startdate: 29/08/2021 Architecture: WINDOWS Score: 100 105 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->105 107 Antivirus detection for URL or domain 2->107 109 Multi AV Scanner detection for submitted file 2->109 111 8 other signatures 2->111 12 xhdU78CLMs.exe 2->12         started        15 xhdU78CLMs.exe 2->15         started        17 mstsca.exe 2->17         started        19 2 other processes 2->19 process3 signatures4 123 Detected unpacking (changes PE section rights) 12->123 125 Contains functionality to inject code into remote processes 12->125 127 Writes many files with high entropy 12->127 21 xhdU78CLMs.exe 1 17 12->21         started        129 Injects a PE file into a foreign processes 15->129 25 xhdU78CLMs.exe 13 15->25         started        27 mstsca.exe 17->27         started        29 mstsca.exe 19->29         started        31 mstsca.exe 19->31         started        process5 dnsIp6 95 api.2ip.ua 77.123.139.190, 443, 49705, 49706 VOLIA-ASUA Ukraine 21->95 81 C:\Users\...\xhdU78CLMs.exe:Zone.Identifier, ASCII 21->81 dropped 33 xhdU78CLMs.exe 21->33         started        36 icacls.exe 21->36         started        38 schtasks.exe 27->38         started        file7 process8 signatures9 103 Injects a PE file into a foreign processes 33->103 40 xhdU78CLMs.exe 1 25 33->40         started        45 conhost.exe 38->45         started        process10 dnsIp11 97 securebiz.org 37.75.44.24, 49708, 80 VFM-ASVodafoneMaltaLtdASMT Malta 40->97 99 astdg.top 211.53.202.252, 49707, 49710, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 40->99 101 2 other IPs or domains 40->101 83 parentTelemetryCac...session.orkf (copy), SVR2 40->83 dropped 85 C__Windows_SystemA...e_Desktop_14[1].txt, DOS 40->85 dropped 87 C:\Users\user\AppData\...\installer.min[1].js, DOS 40->87 dropped 89 388 other files (361 malicious) 40->89 dropped 119 Infects executable files (exe, dll, sys, html) 40->119 121 Modifies existing user documents (likely ransomware behavior) 40->121 47 build2.exe 40->47         started        50 build3.exe 40->50         started        file12 signatures13 process14 signatures15 131 Detected unpacking (changes PE section rights) 47->131 133 Machine Learning detection for dropped file 47->133 135 Injects a PE file into a foreign processes 47->135 52 build2.exe 47->52         started        137 Uses schtasks.exe or at.exe to add and modify task schedules 50->137 57 build3.exe 50->57         started        process16 dnsIp17 91 188.34.200.103, 49712, 80 HETZNER-ASDE Germany 52->91 93 eduarroma.tumblr.com 74.114.154.22, 443, 49711 AUTOMATTICUS Canada 52->93 71 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 52->71 dropped 73 C:\Users\user\AppData\...\freebl3[1].dll, PE32 52->73 dropped 75 C:\Users\user\AppData\...\msvcp140[1].dll, PE32 52->75 dropped 79 9 other files (none is malicious) 52->79 dropped 113 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 52->113 115 Tries to harvest and steal browser information (history, passwords, etc) 52->115 117 Tries to steal Crypto Currency Wallets 52->117 59 cmd.exe 52->59         started        77 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 57->77 dropped 61 schtasks.exe 57->61         started        file18 signatures19 process20 process21 63 conhost.exe 59->63         started        65 taskkill.exe 59->65         started        67 timeout.exe 59->67         started        69 conhost.exe 61->69         started       
Threat name:
Win32.Trojan.Sabsik
Status:
Malicious
First seen:
2021-08-28 22:02:09 UTC
AV detection:
18 of 45 (40.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar botnet:517 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
Modifies extensions of user files
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://eduarroma.tumblr.com/
Unpacked files
SH256 hash:
74251d8c7a300c4bd22fbe4807a1d5ace6303c95d44196652cdb728185a9ae3b
MD5 hash:
21889472081c6ff4601a61eaef052be9
SHA1 hash:
2c4e4130b3e50f6021afa4e5722cbe6dac47a922
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 74251d8c7a300c4bd22fbe4807a1d5ace6303c95d44196652cdb728185a9ae3b

(this sample)

  
Delivery method
Distributed via web download

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