MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 894efce31cc70924a097c89b02eb544cb1303268b569f39ccbfba492d6c2b166. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: 894efce31cc70924a097c89b02eb544cb1303268b569f39ccbfba492d6c2b166
SHA3-384 hash: 98377580bc63abdf21a2931764f81fa3f650c8fa6c1fe2119f7227f7327ec09757b47c08174e4e4a0370e7042d51da94
SHA1 hash: ba9c8a94d83f66f93523345aa7fe266cf9769a0e
MD5 hash: 648f0d37b65ec97fd1754d53d78a6a24
humanhash: cup-muppet-item-sierra
File name:648f0d37b65ec97fd1754d53d78a6a24.exe
Download: download sample
Signature Stop
File size:847'360 bytes
First seen:2021-03-10 10:04:27 UTC
Last seen:2021-03-10 11:53:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 07c52af3a73be472fc8927397fca252e (1 x DanaBot, 1 x RedLineStealer, 1 x Smoke Loader)
ssdeep 24576:O4O1Sv8WQVG7MgvUE6Pi7GqKBPMWrnyMmzjPgIs:O4OzVg7MIAa1Ov6t
Threatray 39 similar samples on MalwareBazaar
TLSH B4050200B3A0C031F0B616B94A7A9379E72E7EE1A72441CF52D527EE5B386E0AC31757
Reporter abuse_ch
Tags:exe Ransomware Stop

Intelligence


File Origin
# of uploads :
2
# of downloads :
252
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
648f0d37b65ec97fd1754d53d78a6a24.exe
Verdict:
Malicious activity
Analysis date:
2021-03-10 10:06:25 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 custom TCP request
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
Sending an HTTP GET request
Creating a window
Creating a process from a recently created file
Reading critical registry keys
Replacing files
Connection attempt
Launching cmd.exe command interpreter
Delayed writing of the file
Running batch commands
Using the Windows Management Instrumentation requests
Searching for the window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Stealing user critical data
Launching a tool to kill processes
Enabling autorun by creating a file
Forced shutdown of a browser
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:
Djvu Taurus Stealer Vidar
Detection:
malicious
Classification:
rans.phis.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found ransom note / readme
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 Bitcoin Wallet information
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
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file access)
Writes many files with high entropy
Yara detected Djvu Ransomware
Yara detected Taurus Stealer
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 366067 Sample: WcihqRt2vr.exe Startdate: 10/03/2021 Architecture: WINDOWS Score: 100 76 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->76 78 Antivirus detection for URL or domain 2->78 80 Multi AV Scanner detection for submitted file 2->80 82 6 other signatures 2->82 9 WcihqRt2vr.exe 1 18 2->9         started        14 WcihqRt2vr.exe 13 2->14         started        16 WcihqRt2vr.exe 2->16         started        process3 dnsIp4 68 api.2ip.ua 77.123.139.190, 443, 49725, 49726 VOLIA-ASUA Ukraine 9->68 54 C:\Users\...\WcihqRt2vr.exe:Zone.Identifier, ASCII 9->54 dropped 86 Detected unpacking (changes PE section rights) 9->86 88 Detected unpacking (overwrites its own PE header) 9->88 90 Writes many files with high entropy 9->90 18 WcihqRt2vr.exe 1 25 9->18         started        23 icacls.exe 9->23         started        file5 signatures6 process7 dnsIp8 64 yual.top 34.65.130.163, 49727, 49728, 49729 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 18->64 66 api.2ip.ua 18->66 46 C:\Users\user\AppData\Local\...\updatewin.exe, PE32 18->46 dropped 48 C:\Users\user\AppData\Local\...\5.exe, PE32 18->48 dropped 50 C:\Users\user\AppData\Local\...\Settings.ft, COM 18->50 dropped 52 189 other files (173 malicious) 18->52 dropped 84 Modifies existing user documents (likely ransomware behavior) 18->84 25 5.exe 18->25         started        30 updatewin.exe 13 18->30         started        file9 signatures10 process11 dnsIp12 70 bockbock.top 209.141.45.236, 49737, 80 PONYNETUS United States 25->70 72 api.faceit.com 104.17.62.50, 443, 49736 CLOUDFLARENETUS United States 25->72 56 C:\Users\user\AppData\...\softokn3[1].dll, PE32 25->56 dropped 58 C:\Users\user\AppData\...\freebl3[1].dll, PE32 25->58 dropped 60 C:\Users\user\AppData\...\msvcp140[1].dll, PE32 25->60 dropped 62 9 other files (none is malicious) 25->62 dropped 92 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 25->92 94 Tries to steal Instant Messenger accounts or passwords 25->94 96 Tries to steal Mail credentials (via file access) 25->96 100 2 other signatures 25->100 32 cmd.exe 25->32         started        74 reputinodaedo.pw 104.21.6.117, 443, 49735 CLOUDFLARENETUS United States 30->74 98 Tries to harvest and steal browser information (history, passwords, etc) 30->98 34 cmd.exe 30->34         started        file13 signatures14 process15 process16 36 conhost.exe 32->36         started        38 taskkill.exe 32->38         started        40 timeout.exe 32->40         started        42 conhost.exe 34->42         started        44 timeout.exe 34->44         started       
Gathering data
Threat name:
Win32.Trojan.Pwsx
Status:
Malicious
First seen:
2021-03-09 14:33:10 UTC
AV detection:
15 of 47 (31.91%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:taurus_stealer family:vidar discovery persistence spyware stealer trojan
Behaviour
Checks processor information in registry
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
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 local email clients
Reads user/profile data of web browsers
Executes dropped EXE
Taurus Stealer
Vidar
Unpacked files
SH256 hash:
1c42b371fa36887a1323847ee5897cad1e81b032edfc269e952b1fa7872d736b
MD5 hash:
65d34a76446f5a04923180a21ec658ad
SHA1 hash:
76e20d3516f1c849ec40f41176923648ebbc0af7
Detections:
win_stop_auto
SH256 hash:
894efce31cc70924a097c89b02eb544cb1303268b569f39ccbfba492d6c2b166
MD5 hash:
648f0d37b65ec97fd1754d53d78a6a24
SHA1 hash:
ba9c8a94d83f66f93523345aa7fe266cf9769a0e
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
Rule name:win_stop_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

Web download

Stop

Executable exe 894efce31cc70924a097c89b02eb544cb1303268b569f39ccbfba492d6c2b166

(this sample)

  
Delivery method
Distributed via web download

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