MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9634e7bbda11d42ed7eda4f7cc1965dea16ab45877cb425d322e830cf63a0657. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 9634e7bbda11d42ed7eda4f7cc1965dea16ab45877cb425d322e830cf63a0657
SHA3-384 hash: 643c045bd1d4cb2faecc39193dc977df42dfe5f2d7110cb24bd357e3ce7c937100a6bf7ad329638449dbcf9f83172009
SHA1 hash: 10e29764f0182cb7362460f6d925a88b9d772780
MD5 hash: b66204eff102db67bd94ec3096c765c3
humanhash: south-april-mars-autumn
File name:b66204eff102db67bd94ec3096c765c3.exe
Download: download sample
Signature Stop
File size:857'088 bytes
First seen:2021-07-07 16:10:40 UTC
Last seen:2021-07-07 16:52:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 0c9b4a6ea51ade86685cc7cb33cacbc0 (2 x RedLineStealer, 1 x Stop)
ssdeep 24576:jEEhx2jeV2PvB3dbNoJ7LMB150FzhK9kAfj9:oKV2LGLMmT2fj9
Threatray 329 similar samples on MalwareBazaar
TLSH T18205F11076A0D034E6F32AF55A7A53A9643E7EB25B3051CF52D06AEE6B34AD0EC31317
Reporter abuse_ch
Tags:exe Stop

Intelligence


File Origin
# of uploads :
2
# of downloads :
210
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b66204eff102db67bd94ec3096c765c3.exe
Verdict:
Suspicious activity
Analysis date:
2021-07-07 16:18:54 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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:
Detection:
malicious
Classification:
rans.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
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 sample
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
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)
Writes many files with high entropy
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 445416 Sample: Jhy2YPMShA.exe Startdate: 07/07/2021 Architecture: WINDOWS Score: 100 51 Multi AV Scanner detection for domain / URL 2->51 53 Antivirus detection for URL or domain 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 4 other signatures 2->57 8 Jhy2YPMShA.exe 2->8         started        11 Jhy2YPMShA.exe 2->11         started        13 Jhy2YPMShA.exe 2->13         started        process3 signatures4 61 Detected unpacking (overwrites its own PE header) 8->61 63 Writes many files with high entropy 8->63 65 Injects a PE file into a foreign processes 8->65 15 Jhy2YPMShA.exe 1 18 8->15         started        67 Contains functionality to inject code into remote processes 11->67 19 Jhy2YPMShA.exe 12 11->19         started        21 Jhy2YPMShA.exe 12 13->21         started        process5 dnsIp6 49 api.2ip.ua 77.123.139.190, 443, 49717, 49726 VOLIA-ASUA Ukraine 15->49 33 C:\Users\...\Jhy2YPMShA.exe:Zone.Identifier, ASCII 15->33 dropped 23 Jhy2YPMShA.exe 15->23         started        26 icacls.exe 15->26         started        file7 process8 signatures9 59 Injects a PE file into a foreign processes 23->59 28 Jhy2YPMShA.exe 1 19 23->28         started        process10 dnsIp11 43 astdg.top 170.84.181.70, 49727, 80 RRVirtualInformaticaBR Brazil 28->43 45 dgos.top 134.122.53.92, 80 DIGITALOCEAN-ASNUS United States 28->45 47 api.2ip.ua 28->47 35 C:\Users\user\AppData\Local\...\Apps.index, COM 28->35 dropped 37 C:\_readme.txt, ASCII 28->37 dropped 39 C:\Users\user\Desktop\PALRGUCVEH.mp3, data 28->39 dropped 41 157 other files (152 malicious) 28->41 dropped 69 Tries to harvest and steal browser information (history, passwords, etc) 28->69 71 Modifies existing user documents (likely ransomware behavior) 28->71 file12 signatures13
Threat name:
Win32.Ransomware.Stop
Status:
Malicious
First seen:
2021-07-07 16:11:05 UTC
File Type:
PE (Exe)
Extracted files:
9
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
Unpacked files
SH256 hash:
9634e7bbda11d42ed7eda4f7cc1965dea16ab45877cb425d322e830cf63a0657
MD5 hash:
b66204eff102db67bd94ec3096c765c3
SHA1 hash:
10e29764f0182cb7362460f6d925a88b9d772780
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 9634e7bbda11d42ed7eda4f7cc1965dea16ab45877cb425d322e830cf63a0657

(this sample)

  
Delivery method
Distributed via web download

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