Analysis
-
max time kernel
155s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
30/10/2022, 00:28
Static task
static1
Behavioral task
behavioral1
Sample
bb3df699f28b1fd3eb65eb42caa2a454c0322c33b1f784c464aa8305ce5a7a1d.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
bb3df699f28b1fd3eb65eb42caa2a454c0322c33b1f784c464aa8305ce5a7a1d.exe
Resource
win10v2004-20220812-en
General
-
Target
bb3df699f28b1fd3eb65eb42caa2a454c0322c33b1f784c464aa8305ce5a7a1d.exe
-
Size
220KB
-
MD5
93478d88fb808737137632812698f8c9
-
SHA1
a07714b2756aef03bfd0729ae86aaf5869ea1d8d
-
SHA256
bb3df699f28b1fd3eb65eb42caa2a454c0322c33b1f784c464aa8305ce5a7a1d
-
SHA512
432860944a48d8bbf9583a8c658a6a37889c2b461e7a124bac5e6b5873cb1d768b541f4f8b56a6e05b8c3c4c50f01e21a870744862b447093531834dddc029aa
-
SSDEEP
3072:8wOuQWkr8YUL4qx9RIHgil3UuhSa3U3dD8d6Oy+MIrnj3J+N/9:3O4ko15x9SHVeOj0F
Malware Config
Signatures
-
Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" bb3df699f28b1fd3eb65eb42caa2a454c0322c33b1f784c464aa8305ce5a7a1d.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" xiiafa.exe -
Executes dropped EXE 1 IoCs
pid Process 4300 xiiafa.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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation bb3df699f28b1fd3eb65eb42caa2a454c0322c33b1f784c464aa8305ce5a7a1d.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiiafa = "C:\\Users\\Admin\\xiiafa.exe /e" xiiafa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiiafa = "C:\\Users\\Admin\\xiiafa.exe /z" xiiafa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiiafa = "C:\\Users\\Admin\\xiiafa.exe /p" xiiafa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiiafa = "C:\\Users\\Admin\\xiiafa.exe /h" xiiafa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiiafa = "C:\\Users\\Admin\\xiiafa.exe /k" xiiafa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiiafa = "C:\\Users\\Admin\\xiiafa.exe /o" xiiafa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiiafa = "C:\\Users\\Admin\\xiiafa.exe /c" xiiafa.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ xiiafa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiiafa = "C:\\Users\\Admin\\xiiafa.exe /d" xiiafa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiiafa = "C:\\Users\\Admin\\xiiafa.exe /f" xiiafa.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ bb3df699f28b1fd3eb65eb42caa2a454c0322c33b1f784c464aa8305ce5a7a1d.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiiafa = "C:\\Users\\Admin\\xiiafa.exe /a" xiiafa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiiafa = "C:\\Users\\Admin\\xiiafa.exe /y" xiiafa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiiafa = "C:\\Users\\Admin\\xiiafa.exe /m" xiiafa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiiafa = "C:\\Users\\Admin\\xiiafa.exe /r" xiiafa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiiafa = "C:\\Users\\Admin\\xiiafa.exe /w" xiiafa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiiafa = "C:\\Users\\Admin\\xiiafa.exe /b" xiiafa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiiafa = "C:\\Users\\Admin\\xiiafa.exe /j" xiiafa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiiafa = "C:\\Users\\Admin\\xiiafa.exe /g" xiiafa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiiafa = "C:\\Users\\Admin\\xiiafa.exe /i" xiiafa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiiafa = "C:\\Users\\Admin\\xiiafa.exe /l" xiiafa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiiafa = "C:\\Users\\Admin\\xiiafa.exe /v" xiiafa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiiafa = "C:\\Users\\Admin\\xiiafa.exe /x" xiiafa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiiafa = "C:\\Users\\Admin\\xiiafa.exe /m" bb3df699f28b1fd3eb65eb42caa2a454c0322c33b1f784c464aa8305ce5a7a1d.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiiafa = "C:\\Users\\Admin\\xiiafa.exe /s" xiiafa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiiafa = "C:\\Users\\Admin\\xiiafa.exe /t" xiiafa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiiafa = "C:\\Users\\Admin\\xiiafa.exe /u" xiiafa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiiafa = "C:\\Users\\Admin\\xiiafa.exe /n" xiiafa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xiiafa = "C:\\Users\\Admin\\xiiafa.exe /q" xiiafa.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4640 bb3df699f28b1fd3eb65eb42caa2a454c0322c33b1f784c464aa8305ce5a7a1d.exe 4640 bb3df699f28b1fd3eb65eb42caa2a454c0322c33b1f784c464aa8305ce5a7a1d.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe 4300 xiiafa.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4640 bb3df699f28b1fd3eb65eb42caa2a454c0322c33b1f784c464aa8305ce5a7a1d.exe 4300 xiiafa.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4640 wrote to memory of 4300 4640 bb3df699f28b1fd3eb65eb42caa2a454c0322c33b1f784c464aa8305ce5a7a1d.exe 83 PID 4640 wrote to memory of 4300 4640 bb3df699f28b1fd3eb65eb42caa2a454c0322c33b1f784c464aa8305ce5a7a1d.exe 83 PID 4640 wrote to memory of 4300 4640 bb3df699f28b1fd3eb65eb42caa2a454c0322c33b1f784c464aa8305ce5a7a1d.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\bb3df699f28b1fd3eb65eb42caa2a454c0322c33b1f784c464aa8305ce5a7a1d.exe"C:\Users\Admin\AppData\Local\Temp\bb3df699f28b1fd3eb65eb42caa2a454c0322c33b1f784c464aa8305ce5a7a1d.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4640 -
C:\Users\Admin\xiiafa.exe"C:\Users\Admin\xiiafa.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4300
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
220KB
MD500cbef67fe923a595476896261d9c63e
SHA145de4afd5efdfb8988b8516a998fe673ec76f74a
SHA2561c38a7e410a912e20093cc5d67cf8cd4594caf09995bdfca87cc1342b9e5794e
SHA512fd6ae18e8e12859996f3eb544fa41e9ba692cc148c233aadc842fd9f42b344a59011c0c17f66a1727eb2b004ff9c72158ea1ce2155aa2f7e89ca3a8b8e0f37f4
-
Filesize
220KB
MD500cbef67fe923a595476896261d9c63e
SHA145de4afd5efdfb8988b8516a998fe673ec76f74a
SHA2561c38a7e410a912e20093cc5d67cf8cd4594caf09995bdfca87cc1342b9e5794e
SHA512fd6ae18e8e12859996f3eb544fa41e9ba692cc148c233aadc842fd9f42b344a59011c0c17f66a1727eb2b004ff9c72158ea1ce2155aa2f7e89ca3a8b8e0f37f4