Analysis
-
max time kernel
152s -
max time network
189s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
05-12-2022 10:30
Static task
static1
Behavioral task
behavioral1
Sample
5c90627192a026749f3529befd7f1652d515086686f6b6c7e53191dd10500c46.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
5c90627192a026749f3529befd7f1652d515086686f6b6c7e53191dd10500c46.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
-
Target
5c90627192a026749f3529befd7f1652d515086686f6b6c7e53191dd10500c46.exe
-
Size
176KB
-
MD5
dba6f9cd54ebc1c3ce8a2fbb07cb00e3
-
SHA1
17b6b5401d40a3d298febf1fd56cbfbb5f7cd813
-
SHA256
5c90627192a026749f3529befd7f1652d515086686f6b6c7e53191dd10500c46
-
SHA512
5b8de7a53adc347d8a3721348c503108009a57ddf9fc762114fe0350569bcf781da00b6bc3e42643970569ab93a7371e772fbbc47ebd2b4d2b81682d66a96cb0
-
SSDEEP
3072:SC1V8Wlh4GWtPuCaAYmG5bcFuKnvmb7/D26inavm4QLzHpXP6D8R8FOjcKvDHmB1:ZP8WAGWtPuCaVmG5bnKnvmb7/D26caeO
Score
10/10
Malware Config
Signatures
-
Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" zyjial.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 5c90627192a026749f3529befd7f1652d515086686f6b6c7e53191dd10500c46.exe -
Executes dropped EXE 1 IoCs
pid Process 4856 zyjial.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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation 5c90627192a026749f3529befd7f1652d515086686f6b6c7e53191dd10500c46.exe -
Adds Run key to start application 2 TTPs 45 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /X" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /d" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /I" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /i" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /M" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /C" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /x" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /j" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /f" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /L" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /c" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /r" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /u" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /G" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /e" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /a" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /A" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /P" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /N" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /W" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /R" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /g" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /T" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /Q" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /k" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /q" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /F" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /J" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /o" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /H" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /h" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /s" zyjial.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 5c90627192a026749f3529befd7f1652d515086686f6b6c7e53191dd10500c46.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /m" 5c90627192a026749f3529befd7f1652d515086686f6b6c7e53191dd10500c46.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\ zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /V" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /z" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /v" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /p" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /m" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /E" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /O" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /b" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /Z" zyjial.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zyjial = "C:\\Users\\Admin\\zyjial.exe /l" zyjial.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 2712 5c90627192a026749f3529befd7f1652d515086686f6b6c7e53191dd10500c46.exe 2712 5c90627192a026749f3529befd7f1652d515086686f6b6c7e53191dd10500c46.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe 4856 zyjial.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2712 5c90627192a026749f3529befd7f1652d515086686f6b6c7e53191dd10500c46.exe 4856 zyjial.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2712 wrote to memory of 4856 2712 5c90627192a026749f3529befd7f1652d515086686f6b6c7e53191dd10500c46.exe 86 PID 2712 wrote to memory of 4856 2712 5c90627192a026749f3529befd7f1652d515086686f6b6c7e53191dd10500c46.exe 86 PID 2712 wrote to memory of 4856 2712 5c90627192a026749f3529befd7f1652d515086686f6b6c7e53191dd10500c46.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\5c90627192a026749f3529befd7f1652d515086686f6b6c7e53191dd10500c46.exe"C:\Users\Admin\AppData\Local\Temp\5c90627192a026749f3529befd7f1652d515086686f6b6c7e53191dd10500c46.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:2712 -
C:\Users\Admin\zyjial.exe"C:\Users\Admin\zyjial.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:4856
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
176KB
MD53fe04bc1533bc12253567d486d40434e
SHA183db7c9db61021f30b30581095d0e299bfba5b22
SHA256998f4517519d1fa1a37f8c530daddd45a13dc10d117f9d1af65b5a6e53f647f3
SHA5128676238237aac1213bbf5fd3e191eb29e2e79b514e97b15a63361332187fb907f9c229e6c5743d38fc6ae5ecbfc3cb8fe5d0fad953a5396ddec472d28d6bb0e4
-
Filesize
176KB
MD53fe04bc1533bc12253567d486d40434e
SHA183db7c9db61021f30b30581095d0e299bfba5b22
SHA256998f4517519d1fa1a37f8c530daddd45a13dc10d117f9d1af65b5a6e53f647f3
SHA5128676238237aac1213bbf5fd3e191eb29e2e79b514e97b15a63361332187fb907f9c229e6c5743d38fc6ae5ecbfc3cb8fe5d0fad953a5396ddec472d28d6bb0e4