Analysis
- max time kernel
154s - max time network
44s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
07/11/2022, 16:30
Static task
static1
Behavioral task
behavioral1
Sample
768e41f2f7f5e1c643311fcce68f0ead26b8448d983a028eb5a921ed941680dc.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
768e41f2f7f5e1c643311fcce68f0ead26b8448d983a028eb5a921ed941680dc.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 768e41f2f7f5e1c643311fcce68f0ead26b8448d983a028eb5a921ed941680dc.exe
- Size 77KB
- Sample221107-tz1cjsaahk
- SHA256 768e41f2f7f5e1c643311fcce68f0ead26b8448d983a028eb5a921ed941680dc
- MD5 03becc42b40837bab790e9eab4af1dd5
- SHA1 06e12d6c75ee35493ca8e692023af3cf59785bb7
- SHA512 852a2093f79cdcbc3a8b6df57ea3f0e775efee6e5f220c2cb58fe10bbc5e3bc9983ec8f5fbef92a6bad1a809c7a61e66b17c38aa820a5c0d747e62ec1dc01102
- SSDEEP 1536:0ScWUpGNN15Bx8pEttgdO/mXpgWXOJgQmmogDcMH5fCVsJVafuegWXAi+oX9tWVC:LcWUp015Bx8pEttgdO/mXpgWXOJgQmmi
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" toevow.exe - Executes dropped EXE 1 IoCs
pid Process 1320 toevow.exe - Loads dropped DLL 2 IoCs
pid Process 836 768e41f2f7f5e1c643311fcce68f0ead26b8448d983a028eb5a921ed941680dc.exe 836 768e41f2f7f5e1c643311fcce68f0ead26b8448d983a028eb5a921ed941680dc.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ toevow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\toevow = "C:\\Users\\Admin\\toevow.exe" toevow.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 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe 1320 toevow.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 836 768e41f2f7f5e1c643311fcce68f0ead26b8448d983a028eb5a921ed941680dc.exe 1320 toevow.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 836 wrote to memory of 1320 836 768e41f2f7f5e1c643311fcce68f0ead26b8448d983a028eb5a921ed941680dc.exe 27 PID 836 wrote to memory of 1320 836 768e41f2f7f5e1c643311fcce68f0ead26b8448d983a028eb5a921ed941680dc.exe 27 PID 836 wrote to memory of 1320 836 768e41f2f7f5e1c643311fcce68f0ead26b8448d983a028eb5a921ed941680dc.exe 27 PID 836 wrote to memory of 1320 836 768e41f2f7f5e1c643311fcce68f0ead26b8448d983a028eb5a921ed941680dc.exe 27 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3 PID 1320 wrote to memory of 836 1320 toevow.exe 3
Processes
-
C:\Users\Admin\AppData\Local\Temp\768e41f2f7f5e1c643311fcce68f0ead26b8448d983a028eb5a921ed941680dc.exe"C:\Users\Admin\AppData\Local\Temp\768e41f2f7f5e1c643311fcce68f0ead26b8448d983a028eb5a921ed941680dc.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:836 -
C:\Users\Admin\toevow.exe"C:\Users\Admin\toevow.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
- Suspicious use of WriteProcessMemory
PID:1320
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\toevow.exe
- Size 77KB
- SHA256 3aad7fc7bd12b5104557b39589b43fdd01ea78d7f73a25d6ba5135375fbd5497
- MD5 7d38bc9cec9345ba1641a07c7c9228d1
- SHA1 6be75aec28e5aa9498e043a9aac1099c2359f40f
- SHA512 518f385736a38db65a36d14c643dca68e4271b77d94010327e6c9c7ef413cb9dbc4da5f65928edbb44403b9d69ee0a651b535df91c6bd234e1efffecde11e5e7
- SSDEEP 1536:0sIA0M2L15Bx8pEttgdO/mXpgWXOJgQmmogDcMH5fCVsJVafuegWXAi+oX9tWV0x:5IA0MW15Bx8pEttgdO/mXpgWXOJgQmmi
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\toevow.exe
- Size 77KB
- SHA256 3aad7fc7bd12b5104557b39589b43fdd01ea78d7f73a25d6ba5135375fbd5497
- MD5 7d38bc9cec9345ba1641a07c7c9228d1
- SHA1 6be75aec28e5aa9498e043a9aac1099c2359f40f
- SHA512 518f385736a38db65a36d14c643dca68e4271b77d94010327e6c9c7ef413cb9dbc4da5f65928edbb44403b9d69ee0a651b535df91c6bd234e1efffecde11e5e7
- SSDEEP 1536:0sIA0M2L15Bx8pEttgdO/mXpgWXOJgQmmogDcMH5fCVsJVafuegWXAi+oX9tWV0x:5IA0MW15Bx8pEttgdO/mXpgWXOJgQmmi
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\toevow.exe
- Size 77KB
- SHA256 3aad7fc7bd12b5104557b39589b43fdd01ea78d7f73a25d6ba5135375fbd5497
- MD5 7d38bc9cec9345ba1641a07c7c9228d1
- SHA1 6be75aec28e5aa9498e043a9aac1099c2359f40f
- SHA512 518f385736a38db65a36d14c643dca68e4271b77d94010327e6c9c7ef413cb9dbc4da5f65928edbb44403b9d69ee0a651b535df91c6bd234e1efffecde11e5e7
- SSDEEP 1536:0sIA0M2L15Bx8pEttgdO/mXpgWXOJgQmmogDcMH5fCVsJVafuegWXAi+oX9tWV0x:5IA0MW15Bx8pEttgdO/mXpgWXOJgQmmi
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\toevow.exe
- Size 77KB
- SHA256 3aad7fc7bd12b5104557b39589b43fdd01ea78d7f73a25d6ba5135375fbd5497
- MD5 7d38bc9cec9345ba1641a07c7c9228d1
- SHA1 6be75aec28e5aa9498e043a9aac1099c2359f40f
- SHA512 518f385736a38db65a36d14c643dca68e4271b77d94010327e6c9c7ef413cb9dbc4da5f65928edbb44403b9d69ee0a651b535df91c6bd234e1efffecde11e5e7
- SSDEEP 1536:0sIA0M2L15Bx8pEttgdO/mXpgWXOJgQmmogDcMH5fCVsJVafuegWXAi+oX9tWV0x:5IA0MW15Bx8pEttgdO/mXpgWXOJgQmmi
- MD5 SHA1 SHA512 SSDEEP