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Analysis
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max time kernel
181s -
max time network
191s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
24/12/2023, 14:54
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
02667d12529cbc60017d2790c96342a3.exe
Resource
win7-20231215-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
02667d12529cbc60017d2790c96342a3.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
02667d12529cbc60017d2790c96342a3.exe
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Size
232KB
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MD5
02667d12529cbc60017d2790c96342a3
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SHA1
5896e9231d045db455c260a7c66edf6147c901d8
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SHA256
35b0d86ba97074d1d6afdc4faca957bd9a4976227d8b7ba9601b3f953983c54e
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SHA512
704f5f921672434fc54e5eb3ad5a0a9082ae00d4194e85f7ec3164ffc797e4bc6c8b67a355fb358b261ee8a1f5c949d85411eb586dda2ed9e032f6330fe7a8b4
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SSDEEP
6144:oct3PFKs78g2KyEOaWEqxF6snji81RUinKdNOka:l5Ph+mFI
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 02667d12529cbc60017d2790c96342a3.exe Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" piiubuk.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-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation 02667d12529cbc60017d2790c96342a3.exe -
Executes dropped EXE 1 IoCs
pid Process 4252 piiubuk.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piiubuk = "C:\\Users\\Admin\\piiubuk.exe /g" piiubuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piiubuk = "C:\\Users\\Admin\\piiubuk.exe /o" piiubuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piiubuk = "C:\\Users\\Admin\\piiubuk.exe /k" piiubuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piiubuk = "C:\\Users\\Admin\\piiubuk.exe /u" piiubuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piiubuk = "C:\\Users\\Admin\\piiubuk.exe /q" piiubuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piiubuk = "C:\\Users\\Admin\\piiubuk.exe /n" piiubuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piiubuk = "C:\\Users\\Admin\\piiubuk.exe /v" piiubuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piiubuk = "C:\\Users\\Admin\\piiubuk.exe /f" piiubuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piiubuk = "C:\\Users\\Admin\\piiubuk.exe /z" piiubuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piiubuk = "C:\\Users\\Admin\\piiubuk.exe /d" piiubuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piiubuk = "C:\\Users\\Admin\\piiubuk.exe /j" piiubuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piiubuk = "C:\\Users\\Admin\\piiubuk.exe /c" piiubuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piiubuk = "C:\\Users\\Admin\\piiubuk.exe /h" piiubuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piiubuk = "C:\\Users\\Admin\\piiubuk.exe /t" piiubuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piiubuk = "C:\\Users\\Admin\\piiubuk.exe /a" piiubuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piiubuk = "C:\\Users\\Admin\\piiubuk.exe /d" 02667d12529cbc60017d2790c96342a3.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piiubuk = "C:\\Users\\Admin\\piiubuk.exe /w" piiubuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piiubuk = "C:\\Users\\Admin\\piiubuk.exe /l" piiubuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piiubuk = "C:\\Users\\Admin\\piiubuk.exe /i" piiubuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piiubuk = "C:\\Users\\Admin\\piiubuk.exe /x" piiubuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piiubuk = "C:\\Users\\Admin\\piiubuk.exe /m" piiubuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piiubuk = "C:\\Users\\Admin\\piiubuk.exe /e" piiubuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piiubuk = "C:\\Users\\Admin\\piiubuk.exe /y" piiubuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piiubuk = "C:\\Users\\Admin\\piiubuk.exe /b" piiubuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piiubuk = "C:\\Users\\Admin\\piiubuk.exe /s" piiubuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piiubuk = "C:\\Users\\Admin\\piiubuk.exe /r" piiubuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piiubuk = "C:\\Users\\Admin\\piiubuk.exe /p" piiubuk.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2840 02667d12529cbc60017d2790c96342a3.exe 2840 02667d12529cbc60017d2790c96342a3.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe 4252 piiubuk.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2840 02667d12529cbc60017d2790c96342a3.exe 4252 piiubuk.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2840 wrote to memory of 4252 2840 02667d12529cbc60017d2790c96342a3.exe 95 PID 2840 wrote to memory of 4252 2840 02667d12529cbc60017d2790c96342a3.exe 95 PID 2840 wrote to memory of 4252 2840 02667d12529cbc60017d2790c96342a3.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\02667d12529cbc60017d2790c96342a3.exe"C:\Users\Admin\AppData\Local\Temp\02667d12529cbc60017d2790c96342a3.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:2840 -
C:\Users\Admin\piiubuk.exe"C:\Users\Admin\piiubuk.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:4252
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
232KB
MD56ba646665c076f1f90d2e91e3db43062
SHA18a3e185ac8955866d22e468349d90f6a6752c772
SHA256132ef92dd46dd988930ac08c0fe7ca214335a303ecdd75b49b51271802473793
SHA5121e3007bb821d1598aeaf9a650859048556e43289dd6eaa25111033be514394413b101eb2d747d039485ff2ce45f32dae7ba536c38f800f4e525ec05f5f022bec