Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
03/10/2022, 00:42
Static task
static1
Behavioral task
behavioral1
Sample
c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab.exe
Resource
win7-20220901-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab.exe
Resource
win10v2004-20220901-en
12 signatures
150 seconds
General
- Target c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab.exe
- Size 354KB
- Sample221003-a2fldahda8
- SHA256 c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab
- MD5 6742b8f2ce2a31ea67be7a05b27a7450
- SHA1 ea8db160fa12648a1b1819c82c2db25205f51c84
- SHA512 8cdab5ad6991187cceb1201d4c762aea5ac4dcaaa2ed90d24a07bcb90edb141d5c6c26f4a783cc7a795f6f8d2b81db45175c2e836585e57d9369be6f8e6fff3a
- SSDEEP 3072:owi51kpjgUdkY8NvGKISQ69TKDWVmXKi+rnd2q4HXEcKCDEakrraOmU84qAUJbXO:EopjgUqY8MSkWVdQDjgToNNvDROyEbZ
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4684 c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System = "\\System32\\javaq.exe" c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Users\\Admin\\AppData\\Local\\System32\\javaq.exe" c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab.exe - Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab.exe File opened for modification C:\Windows\assembly\Desktop.ini c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab.exe - Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\assembly c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab.exe File created C:\Windows\assembly\Desktop.ini c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab.exe File opened for modification C:\Windows\assembly\Desktop.ini c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Runs ping.exe 1 TTPs 1 IoCs
pid Process 1192 PING.EXE - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4684 c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4168 c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab.exe Token: SeDebugPrivilege 4684 c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4684 c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4168 wrote to memory of 4684 4168 c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab.exe 84 PID 4168 wrote to memory of 4684 4168 c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab.exe 84 PID 4168 wrote to memory of 4684 4168 c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab.exe 84 PID 4168 wrote to memory of 4164 4168 c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab.exe 85 PID 4168 wrote to memory of 4164 4168 c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab.exe 85 PID 4168 wrote to memory of 4164 4168 c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab.exe 85 PID 4164 wrote to memory of 1192 4164 cmd.exe 87 PID 4164 wrote to memory of 1192 4164 cmd.exe 87 PID 4164 wrote to memory of 1192 4164 cmd.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab.exe"C:\Users\Admin\AppData\Local\Temp\c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4168 -
C:\Users\Admin\AppData\Local\Temp\c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab\c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab.exe"C:\Users\Admin\AppData\Local\Temp\c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab\c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4684
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-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 1000 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4164 -
C:\Windows\SysWOW64\PING.EXEping 1.1.1.1 -n 1 -w 10003⤵
- Runs ping.exe
PID:1192
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab\c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab.exe
- Size 354KB
- SHA256 c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab
- MD5 6742b8f2ce2a31ea67be7a05b27a7450
- SHA1 ea8db160fa12648a1b1819c82c2db25205f51c84
- SHA512 8cdab5ad6991187cceb1201d4c762aea5ac4dcaaa2ed90d24a07bcb90edb141d5c6c26f4a783cc7a795f6f8d2b81db45175c2e836585e57d9369be6f8e6fff3a
- SSDEEP 3072:owi51kpjgUdkY8NvGKISQ69TKDWVmXKi+rnd2q4HXEcKCDEakrraOmU84qAUJbXO:EopjgUqY8MSkWVdQDjgToNNvDROyEbZ
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab\c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab.exe
- Size 354KB
- SHA256 c727a0856eb82a40b891d09f262817eb4cd61fe116d9e4337cfef420b2864cab
- MD5 6742b8f2ce2a31ea67be7a05b27a7450
- SHA1 ea8db160fa12648a1b1819c82c2db25205f51c84
- SHA512 8cdab5ad6991187cceb1201d4c762aea5ac4dcaaa2ed90d24a07bcb90edb141d5c6c26f4a783cc7a795f6f8d2b81db45175c2e836585e57d9369be6f8e6fff3a
- SSDEEP 3072:owi51kpjgUdkY8NvGKISQ69TKDWVmXKi+rnd2q4HXEcKCDEakrraOmU84qAUJbXO:EopjgUqY8MSkWVdQDjgToNNvDROyEbZ
- MD5 SHA1 SHA512 SSDEEP