MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 955d3a37079121cee3f5455349c3edebe843668dfe1a0bd20602d3a6e15b3c20. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 955d3a37079121cee3f5455349c3edebe843668dfe1a0bd20602d3a6e15b3c20
SHA3-384 hash: 70aedf1b9f93521aeec005b57592a22ca273211f33f97c8d5a42fb7a6d0b62bd92823c7518844adc4aca28af18dbdb70
SHA1 hash: 26381b447a4845acf2fa91afff22d9c1b26078e6
MD5 hash: 28331f0780f3031f8e7c746bd8ec845f
humanhash: romeo-mirror-louisiana-sweet
File name:28331f0780f3031f8e7c746bd8ec845f.exe
Download: download sample
Signature Stop
Create hunting rule
File size:854'016 bytes
First seen:2021-06-14 08:15:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f3b31e907320cadf5820c6eb76eca851 (3 x Stop, 2 x RedLineStealer, 1 x TeamBot)
ssdeep 12288:v2t3GM+AOLm2+VkJsov57nX7g5vefnpceJWF+o7bzYagRDKQt9RZUXYqqpz/sZ:v2t2/AOl9X7g5vePpcH57d6WQt9M9Z
TLSH 64050200A752C0F0F0F756F856B69F79A6BD79B06B29A0CF53C15AEA16386D0AC30753
Reporter abuse_ch
Tags:exe Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
133
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
28331f0780f3031f8e7c746bd8ec845f.exe
Verdict:
Suspicious activity
Analysis date:
2021-06-14 08:20:44 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/73748c92-1d78-4a30-9866-67de11e1144c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Dropper.Raccoon-9871234-0
Create hunting rule

Win.Malware.Generic-9871244-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
Unauthorized injection to a recently created process
DNS request
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Sending a UDP request
Deleting a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2c768422-f88e-4096-9250-45d558fa1ea4
Result
Threat name:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/801686
Signature
Antivirus detection for URL or domain
Contains functionality to inject code into remote processes
Detected unpacking (overwrites its own PE header)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 434080 Sample: GaUJ2oJBUY.exe Startdate: 14/06/2021 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Multi AV Scanner detection for domain / URL 2->49 51 Antivirus detection for URL or domain 2->51 53 3 other signatures 2->53 8 GaUJ2oJBUY.exe 2->8         started        11 GaUJ2oJBUY.exe 2->11         started        13 GaUJ2oJBUY.exe 2->13         started        15 GaUJ2oJBUY.exe 2->15         started        process3 signatures4 55 Detected unpacking (overwrites its own PE header) 8->55 57 Contains functionality to inject code into remote processes 8->57 59 Injects a PE file into a foreign processes 8->59 17 GaUJ2oJBUY.exe 1 16 8->17         started        61 Multi AV Scanner detection for dropped file 11->61 63 Machine Learning detection for dropped file 11->63 21 GaUJ2oJBUY.exe 12 11->21         started        23 GaUJ2oJBUY.exe 12 13->23         started        25 GaUJ2oJBUY.exe 12 15->25         started        process5 dnsIp6 43 api.2ip.ua 77.123.139.190, 443, 49730, 49740 VOLIA-ASUA Ukraine 17->43 45 192.168.2.1 unknown unknown 17->45 35 C:\Users\user\AppData\...behaviorgraphaUJ2oJBUY.exe, PE32 17->35 dropped 37 C:\Users\...behaviorgraphaUJ2oJBUY.exe:Zone.Identifier, ASCII 17->37 dropped 27 GaUJ2oJBUY.exe 17->27         started        30 icacls.exe 17->30         started        file7 process8 signatures9 65 Injects a PE file into a foreign processes 27->65 32 GaUJ2oJBUY.exe 1 14 27->32         started        process10 dnsIp11 39 asvb.top 35.236.78.72, 49742, 49743, 49744 GOOGLEUS United States 32->39 41 api.2ip.ua 32->41
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/955d3a37079121cee3f5455349c3edebe843668dfe1a0bd20602d3a6e15b3c20/
Threat name:
Win32.Ransomware.Stop
Create hunting rule
Status:
Malicious
First seen:
2021-06-13 00:43:23 UTC
AV detection:
15 of 29 (51.72%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence
Link:
https://tria.ge/reports/210614-87mjk273fn/
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
Unpacked files
SH256 hash:
022c9a691cafb9ad7eb0a6f4b97d6c81fbadc27e8b3198959fffe04345371856
MD5 hash:
fbbd55cb4df5457aba487c1e529f6cc2
SHA1 hash:
2b6edeeae445edcfb457238de99295918e782372
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/87248269-d709-463c-b333-07ca33505166/
Parent samples :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 hash:
955d3a37079121cee3f5455349c3edebe843668dfe1a0bd20602d3a6e15b3c20
MD5 hash:
28331f0780f3031f8e7c746bd8ec845f
SHA1 hash:
26381b447a4845acf2fa91afff22d9c1b26078e6
Link:
https://www.unpac.me/results/87248269-d709-463c-b333-07ca33505166/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/955d3a37079121cee3f5455349c3edebe843668dfe1a0bd20602d3a6e15b3c20

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
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
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 955d3a37079121cee3f5455349c3edebe843668dfe1a0bd20602d3a6e15b3c20

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1256494/
  
Delivery method
Distributed via web download

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