MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38ca72756ff439ed0451019cfca7ea4a9dfdf52b58471042a5f0163807e2ff98. 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: 18


Intelligence 18 IOCs YARA 8 File information Comments

SHA256 hash: 38ca72756ff439ed0451019cfca7ea4a9dfdf52b58471042a5f0163807e2ff98
SHA3-384 hash: 2d2401a404a29ae7e338f81bd18b0a3e32bc5de42fdfed0bef0f9ee7c7f4d6145d159e1cbe80ce332d626e308373dad5
SHA1 hash: 526be14806e196c1d1ca0927c61dae961d5774b3
MD5 hash: a495f31b4260ba8a9ca2c18d149c6284
humanhash: robert-diet-whiskey-wolfram
File name:file
Download: download sample
Signature Stop
File size:832'000 bytes
First seen:2022-09-16 12:28:24 UTC
Last seen:2022-09-16 13:03:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3a9d5cc472b8b1dd203ad2aebbb5c53a (5 x Smoke Loader, 4 x Stop, 2 x GCleaner)
ssdeep 24576:MwBBaWiGc13lCretkENDRnhUV1RK0H/Xfi:M8BaWiGc2rtCReJJ/
Threatray 1'838 similar samples on MalwareBazaar
TLSH T17B05021171C2D8A1D0911E338466DFA0D97FBD22FA345A67F7A46B6E2E73390522231F
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 38b078cccacccc43 (123 x Smoke Loader, 83 x Stop, 63 x RedLineStealer)
Reporter andretavare5
Tags:exe Stop


Avatar
andretavare5
Sample downloaded from http://rgyui.top/dl/build.exe

Intelligence


File Origin
# of uploads :
6
# of downloads :
292
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-09-16 12:55:55 UTC
Tags:
trojan ransomware stop loader stealer

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

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Creating a process with a hidden window
Creating a file in the system32 subdirectories
Adding an access-denied ACE
Сreating synchronization primitives
Deleting a recently created file
Query of malicious DNS domain
Sending a TCP request to an infection source
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
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
SystemUptime
CPUID_Instruction
EvasionQueryPerformanceCounter
EvasionGetTickCount
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
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:
Babuk, Clipboard Hijacker, Djvu, Vidar
Detection:
malicious
Classification:
rans.spre.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
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
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Sample uses process hollowing technique
Snort IDS alert for network traffic
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 Babuk Ransomware
Yara detected Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 704142 Sample: file.exe Startdate: 16/09/2022 Architecture: WINDOWS Score: 100 100 Snort IDS alert for network traffic 2->100 102 Multi AV Scanner detection for domain / URL 2->102 104 Malicious sample detected (through community Yara rule) 2->104 106 11 other signatures 2->106 12 file.exe 2->12         started        15 file.exe 2->15         started        17 file.exe 2->17         started        19 2 other processes 2->19 process3 signatures4 120 Contains functionality to inject code into remote processes 12->120 122 Writes many files with high entropy 12->122 124 Injects a PE file into a foreign processes 12->124 21 file.exe 1 16 12->21         started        25 conhost.exe 12->25         started        126 Sample uses process hollowing technique 15->126 27 file.exe 15->27         started        30 file.exe 12 17->30         started        128 Multi AV Scanner detection for dropped file 19->128 32 file.exe 19->32         started        34 schtasks.exe 19->34         started        process5 dnsIp6 86 api.2ip.ua 162.0.217.254, 443, 49706, 49707 ACPCA Canada 21->86 88 192.168.2.1 unknown unknown 21->88 72 C:\Users\user\...\file.exe:Zone.Identifier, ASCII 21->72 dropped 74 C:\Users\user\AppData\Local\...\file.exe, MS-DOS 21->74 dropped 36 file.exe 21->36         started        39 icacls.exe 21->39         started        76 C:\Users\user\Desktop\...\BPMLNOBVSB.pdf, data 27->76 dropped 118 Modifies existing user documents (likely ransomware behavior) 27->118 41 conhost.exe 34->41         started        file7 signatures8 process9 signatures10 110 Injects a PE file into a foreign processes 36->110 43 file.exe 1 25 36->43         started        process11 dnsIp12 94 rgyui.top 109.98.58.98, 49708, 80 RTDBucharestRomaniaRO Romania 43->94 96 acacaca.org 175.120.254.9, 49709, 49710, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 43->96 98 api.2ip.ua 43->98 78 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 43->78 dropped 80 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 43->80 dropped 82 C:\_readme.txt, ASCII 43->82 dropped 84 63 other files (42 malicious) 43->84 dropped 130 Infects executable files (exe, dll, sys, html) 43->130 132 Modifies existing user documents (likely ransomware behavior) 43->132 48 build2.exe 43->48         started        50 build3.exe 43->50         started        file13 signatures14 process15 file16 54 build2.exe 48->54         started        70 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 50->70 dropped 108 Uses schtasks.exe or at.exe to add and modify task schedules 50->108 58 schtasks.exe 50->58         started        signatures17 process18 dnsIp19 90 t.me 149.154.167.99, 443, 49712 TELEGRAMRU United Kingdom 54->90 92 195.201.253.5, 49714, 80 HETZNER-ASDE Germany 54->92 112 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 54->112 114 Tries to harvest and steal browser information (history, passwords, etc) 54->114 116 Tries to steal Crypto Currency Wallets 54->116 60 cmd.exe 54->60         started        62 WerFault.exe 54->62         started        signatures20 process21 process22 64 conhost.exe 60->64         started        66 taskkill.exe 60->66         started        68 timeout.exe 60->68         started       
Threat name:
Win32.Trojan.MintZard
Status:
Malicious
First seen:
2022-09-16 12:29:08 UTC
File Type:
PE (Exe)
Extracted files:
70
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware spyware stealer
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
Checks computer location settings
Downloads MZ/PE file
Executes dropped EXE
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://acacaca.org/test3/get.php
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
e38c82b637cf23e727d18a2a56b5f06cd59dea05a7d98079cf6aaa5f7b1d22ea
MD5 hash:
cfb42c7c41fd296ec60694bbd003f9ff
SHA1 hash:
949122bf8e32d453c53898d86628cee84b66354e
Detections:
win_stop_auto
Parent samples :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 hash:
38ca72756ff439ed0451019cfca7ea4a9dfdf52b58471042a5f0163807e2ff98
MD5 hash:
a495f31b4260ba8a9ca2c18d149c6284
SHA1 hash:
526be14806e196c1d1ca0927c61dae961d5774b3
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:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:RansomwareTest4
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest5
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest6
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
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:SUSP_XORed_URL_in_EXE_RID2E46
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:Detects win.stop.

File information


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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by

Comments