Analysis
- max time kernel
151s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
29/11/2022, 17:26
Static task
static1
Behavioral task
behavioral1
Sample
956b89233131760e40c5d343ff13404ca0a36cac2abfd6ed35991cf5b76c78f9.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
956b89233131760e40c5d343ff13404ca0a36cac2abfd6ed35991cf5b76c78f9.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 956b89233131760e40c5d343ff13404ca0a36cac2abfd6ed35991cf5b76c78f9.exe
- Size 272KB
- Sample221129-vz8vcsda7v
- SHA256 956b89233131760e40c5d343ff13404ca0a36cac2abfd6ed35991cf5b76c78f9
- MD5 378f541efade8e707545195c43b83988
- SHA1 3f467b4ca38336448688be1f371f5626897ef44a
- SHA512 207f6901dcd2ccc8294f9a2c3dbc429e112524fccee8bda4586c59a05b8bef88c71e52ea7bd1b8bfe22a5c91804cc51235afc6fd2cd269f21a068127d709b7f5
- SSDEEP 6144:P3ahlQxchRdjLmtrBuMrdekUH63u+X5sc57W:CExGLTuPL5
- MD5 SHA1 SHA512 SSDEEP
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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 956b89233131760e40c5d343ff13404ca0a36cac2abfd6ed35991cf5b76c78f9.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" drtaoy.exe - Executes dropped EXE 1 IoCs
pid Process 4432 drtaoy.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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation 956b89233131760e40c5d343ff13404ca0a36cac2abfd6ed35991cf5b76c78f9.exe - Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /N" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /S" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /n" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /t" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /d" drtaoy.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /U" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /Q" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /f" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /K" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /Y" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /l" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /H" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /I" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /j" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /G" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /w" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /s" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /C" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /y" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /R" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /T" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /k" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /r" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /u" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /M" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /E" 956b89233131760e40c5d343ff13404ca0a36cac2abfd6ed35991cf5b76c78f9.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /z" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /P" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /q" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /V" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /A" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /B" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /J" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /x" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /X" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /c" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /i" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /E" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /D" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /L" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /W" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /v" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /p" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /e" drtaoy.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 956b89233131760e40c5d343ff13404ca0a36cac2abfd6ed35991cf5b76c78f9.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /h" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /b" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /g" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /o" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /m" drtaoy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\drtaoy = "C:\\Users\\Admin\\drtaoy.exe /F" drtaoy.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 4216 956b89233131760e40c5d343ff13404ca0a36cac2abfd6ed35991cf5b76c78f9.exe 4216 956b89233131760e40c5d343ff13404ca0a36cac2abfd6ed35991cf5b76c78f9.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe 4432 drtaoy.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4216 956b89233131760e40c5d343ff13404ca0a36cac2abfd6ed35991cf5b76c78f9.exe 4432 drtaoy.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4216 wrote to memory of 4432 4216 956b89233131760e40c5d343ff13404ca0a36cac2abfd6ed35991cf5b76c78f9.exe 79 PID 4216 wrote to memory of 4432 4216 956b89233131760e40c5d343ff13404ca0a36cac2abfd6ed35991cf5b76c78f9.exe 79 PID 4216 wrote to memory of 4432 4216 956b89233131760e40c5d343ff13404ca0a36cac2abfd6ed35991cf5b76c78f9.exe 79
Processes
-
C:\Users\Admin\AppData\Local\Temp\956b89233131760e40c5d343ff13404ca0a36cac2abfd6ed35991cf5b76c78f9.exe"C:\Users\Admin\AppData\Local\Temp\956b89233131760e40c5d343ff13404ca0a36cac2abfd6ed35991cf5b76c78f9.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:4216 -
C:\Users\Admin\drtaoy.exe"C:\Users\Admin\drtaoy.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:4432
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\drtaoy.exe
- Size 272KB
- SHA256 7fab23bdab7d62f4963f19fbe7b59ac29efc8e0c7104caf37d9f12d0a692e137
- MD5 ba124a07de41dc68358afe22f47368e7
- SHA1 1e35476812f1797d86518d175628dc579bccdf51
- SHA512 b4e2d311a592e99dbbd6edf36a20fda85891fac7c4acd875b396af03f14fd766c9115e4c9ed3d9c85407a15d3069e665814cad60f9115fe088fe3a8c7c15364b
- SSDEEP 6144:P3aflQxchRdjLmtrBuMrdekUH63u+X5sc57W:CqxGLTuPL5
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\drtaoy.exe
- Size 272KB
- SHA256 7fab23bdab7d62f4963f19fbe7b59ac29efc8e0c7104caf37d9f12d0a692e137
- MD5 ba124a07de41dc68358afe22f47368e7
- SHA1 1e35476812f1797d86518d175628dc579bccdf51
- SHA512 b4e2d311a592e99dbbd6edf36a20fda85891fac7c4acd875b396af03f14fd766c9115e4c9ed3d9c85407a15d3069e665814cad60f9115fe088fe3a8c7c15364b
- SSDEEP 6144:P3aflQxchRdjLmtrBuMrdekUH63u+X5sc57W:CqxGLTuPL5
- MD5 SHA1 SHA512 SSDEEP