MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dd9521c2cff23e51edd57fd044dfaea21e5d79165f8190c7980cc4da75958bd4. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: dd9521c2cff23e51edd57fd044dfaea21e5d79165f8190c7980cc4da75958bd4
SHA3-384 hash: b244804a16ee26b21c93ccf5c42c87ee95e219ab2c54fbcda1592f553a651b405dfc36353dd527176a22f65966668b1c
SHA1 hash: fbcd35dcd7b59d2851e340d46ad0d41094812b8f
MD5 hash: 5412890e617ba50254959334e6ab72a2
humanhash: wolfram-ack-orange-double
File name:5412890e617ba50254959334e6ab72a2.exe
Download: download sample
Signature Stop
File size:867'840 bytes
First seen:2021-06-14 08:20:53 UTC
Last seen:2021-06-14 08:48:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash fc6cfaa92140f1c3355fe4a8c24ceb23 (1 x Stop)
ssdeep 12288:0LysV9a16Z7wIUQlF1SFFkgECLQf+nV9KmXYTxXjvM7EyzprwR8iz:0Vva1fIz1SFSqq+V9/MTu5
TLSH 8E050100A791C0F4F1F716F89A7A9F7CA5BD7AA0572450CF12D52AEA6B349E0AC31707
Reporter abuse_ch
Tags:exe Stop

Intelligence


File Origin
# of uploads :
2
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5412890e617ba50254959334e6ab72a2.exe
Verdict:
Suspicious activity
Analysis date:
2021-06-14 08:29:43 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
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Connection attempt
Deleting a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
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.
Result
Threat name:
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Signature
Contains functionality to inject code into remote processes
Detected unpacking (overwrites its own PE header)
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
Multi AV Scanner detection for submitted file
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 434054 Sample: fcX79ijCR7.exe Startdate: 14/06/2021 Architecture: WINDOWS Score: 100 56 Multi AV Scanner detection for domain / URL 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 Found ransom note / readme 2->60 62 2 other signatures 2->62 8 fcX79ijCR7.exe 2->8         started        11 fcX79ijCR7.exe 2->11         started        13 fcX79ijCR7.exe 2->13         started        15 fcX79ijCR7.exe 2->15         started        process3 signatures4 66 Multi AV Scanner detection for dropped file 8->66 68 Detected unpacking (overwrites its own PE header) 8->68 70 Machine Learning detection for dropped file 8->70 17 fcX79ijCR7.exe 1 17 8->17         started        72 Contains functionality to inject code into remote processes 11->72 74 Injects a PE file into a foreign processes 11->74 22 fcX79ijCR7.exe 1 18 11->22         started        24 fcX79ijCR7.exe 13 13->24         started        26 fcX79ijCR7.exe 12 15->26         started        process5 dnsIp6 48 asvb.top 35.236.78.72, 49720, 49723, 49724 GOOGLEUS United States 17->48 36 C:\_readme.txt, ASCII 17->36 dropped 38 C:\Users\user\Desktop\fcX79ijCR7.exe, data 17->38 dropped 40 C:\Users\user\DesktopbehaviorgraphRXZDKKVDB.docx, data 17->40 dropped 46 3 other files (2 malicious) 17->46 dropped 64 Modifies existing user documents (likely ransomware behavior) 17->64 50 api.2ip.ua 77.123.139.190, 443, 49711, 49716 VOLIA-ASUA Ukraine 22->50 42 C:\Users\user\AppData\...\fcX79ijCR7.exe, PE32 22->42 dropped 44 C:\Users\...\fcX79ijCR7.exe:Zone.Identifier, ASCII 22->44 dropped 28 fcX79ijCR7.exe 22->28         started        31 icacls.exe 22->31         started        file7 signatures8 process9 signatures10 76 Injects a PE file into a foreign processes 28->76 33 fcX79ijCR7.exe 13 28->33         started        process11 dnsIp12 52 192.168.2.1 unknown unknown 33->52 54 api.2ip.ua 33->54
Threat name:
Win32.Ransomware.Stop
Status:
Malicious
First seen:
2021-06-13 23:33:16 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Modifies file permissions
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 dd9521c2cff23e51edd57fd044dfaea21e5d79165f8190c7980cc4da75958bd4

(this sample)

  
Delivery method
Distributed via web download

Comments