Analysis
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max time kernel
151s -
max time network
175s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
26/11/2022, 02:19
Static task
static1
Behavioral task
behavioral1
Sample
788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe
Resource
win10v2004-20220812-en
General
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Target
788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe
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Size
176KB
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MD5
3b5e197a2875bcb66533294db4141a56
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SHA1
c818ebf323af988b21b5e8771543096317dd7f94
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SHA256
788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de
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SHA512
b1f55efd0ff2501bfd7131df50012b1cd8ca204f2dd6cf416f2760416934181b30691ea5ce80e48f45de57423bc4a297f3a2b9e0803a5e9bae14ae141d9fb9a5
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SSDEEP
3072:zEkPZgwZP3sQoYuf8pgcQWKg8vD3HGxK0roILGXq26xhxLGdV6wF/9snGa45o9sF:zzP3sQFuf8pgcQWKg8vD3HGxK0roSGXh
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 4500 svchost.exe 1952 svchost.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation 788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run 788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\svchost.exe" 788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\Z: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\F: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\H: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\U: svchost.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1084 set thread context of 4844 1084 788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe 82 PID 4500 set thread context of 1952 4500 svchost.exe 84 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ 788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1084 788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe 4500 svchost.exe -
Suspicious use of WriteProcessMemory 29 IoCs
description pid Process procid_target PID 1084 wrote to memory of 4844 1084 788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe 82 PID 1084 wrote to memory of 4844 1084 788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe 82 PID 1084 wrote to memory of 4844 1084 788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe 82 PID 1084 wrote to memory of 4844 1084 788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe 82 PID 1084 wrote to memory of 4844 1084 788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe 82 PID 1084 wrote to memory of 4844 1084 788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe 82 PID 1084 wrote to memory of 4844 1084 788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe 82 PID 1084 wrote to memory of 4844 1084 788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe 82 PID 1084 wrote to memory of 4844 1084 788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe 82 PID 1084 wrote to memory of 4844 1084 788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe 82 PID 1084 wrote to memory of 4844 1084 788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe 82 PID 1084 wrote to memory of 4844 1084 788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe 82 PID 1084 wrote to memory of 4844 1084 788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe 82 PID 4844 wrote to memory of 4500 4844 788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe 83 PID 4844 wrote to memory of 4500 4844 788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe 83 PID 4844 wrote to memory of 4500 4844 788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe 83 PID 4500 wrote to memory of 1952 4500 svchost.exe 84 PID 4500 wrote to memory of 1952 4500 svchost.exe 84 PID 4500 wrote to memory of 1952 4500 svchost.exe 84 PID 4500 wrote to memory of 1952 4500 svchost.exe 84 PID 4500 wrote to memory of 1952 4500 svchost.exe 84 PID 4500 wrote to memory of 1952 4500 svchost.exe 84 PID 4500 wrote to memory of 1952 4500 svchost.exe 84 PID 4500 wrote to memory of 1952 4500 svchost.exe 84 PID 4500 wrote to memory of 1952 4500 svchost.exe 84 PID 4500 wrote to memory of 1952 4500 svchost.exe 84 PID 4500 wrote to memory of 1952 4500 svchost.exe 84 PID 4500 wrote to memory of 1952 4500 svchost.exe 84 PID 4500 wrote to memory of 1952 4500 svchost.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe"C:\Users\Admin\AppData\Local\Temp\788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1084 -
C:\Users\Admin\AppData\Local\Temp\788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4844 -
C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4500 -
C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
- Executes dropped EXE
- Enumerates connected drives
PID:1952
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
176KB
MD53b5e197a2875bcb66533294db4141a56
SHA1c818ebf323af988b21b5e8771543096317dd7f94
SHA256788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de
SHA512b1f55efd0ff2501bfd7131df50012b1cd8ca204f2dd6cf416f2760416934181b30691ea5ce80e48f45de57423bc4a297f3a2b9e0803a5e9bae14ae141d9fb9a5
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Filesize
176KB
MD53b5e197a2875bcb66533294db4141a56
SHA1c818ebf323af988b21b5e8771543096317dd7f94
SHA256788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de
SHA512b1f55efd0ff2501bfd7131df50012b1cd8ca204f2dd6cf416f2760416934181b30691ea5ce80e48f45de57423bc4a297f3a2b9e0803a5e9bae14ae141d9fb9a5
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Filesize
176KB
MD53b5e197a2875bcb66533294db4141a56
SHA1c818ebf323af988b21b5e8771543096317dd7f94
SHA256788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de
SHA512b1f55efd0ff2501bfd7131df50012b1cd8ca204f2dd6cf416f2760416934181b30691ea5ce80e48f45de57423bc4a297f3a2b9e0803a5e9bae14ae141d9fb9a5