Analysis
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max time kernel
172s -
max time network
189s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
09/01/2024, 19:03
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
ef3e3aff16b6dfb02fe48435614b0bd4.exe
Resource
win7-20231215-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
ef3e3aff16b6dfb02fe48435614b0bd4.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
ef3e3aff16b6dfb02fe48435614b0bd4.exe
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Size
100KB
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MD5
ef3e3aff16b6dfb02fe48435614b0bd4
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SHA1
f2b3c93c89fce67821806a83c3e2111b21f1b92e
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SHA256
5cb95723eee4583a859c75a163e667494f8447ca56d7c61d12c5c041e9a13ef6
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SHA512
05bec3d0134b95c6ac4c4f1be8dcba8f19a5f6722e620a8d231449806d121bfca2b60589ebbf64148a635f54ffcb67ebcdc5943ea713d2f4d1b51e62e21a9926
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SSDEEP
1536:Y5tGl82NTzwz/MGAc4ohrPXo+73Rez8b0SyKNIjnZrJ:5wuurPX7CKCnlJ
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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ef3e3aff16b6dfb02fe48435614b0bd4.exe Set value (int) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" paimuu.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-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation ef3e3aff16b6dfb02fe48435614b0bd4.exe -
Executes dropped EXE 1 IoCs
pid Process 1852 paimuu.exe -
Adds Run key to start application 2 TTPs 51 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /T" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /a" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /V" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /r" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /D" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /S" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /o" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /Z" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /b" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /P" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /N" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /E" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /B" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /F" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /G" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /z" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /f" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /O" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /s" ef3e3aff16b6dfb02fe48435614b0bd4.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /Q" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /p" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /h" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /M" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /s" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /Y" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /L" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /g" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /i" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /y" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /m" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /l" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /A" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /W" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /t" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /v" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /I" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /q" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /U" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /j" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /n" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /w" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /X" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /c" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /K" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /e" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /J" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /x" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /H" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /u" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /d" paimuu.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paimuu = "C:\\Users\\Admin\\paimuu.exe /R" paimuu.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 4528 ef3e3aff16b6dfb02fe48435614b0bd4.exe 4528 ef3e3aff16b6dfb02fe48435614b0bd4.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe 1852 paimuu.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4528 ef3e3aff16b6dfb02fe48435614b0bd4.exe 1852 paimuu.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4528 wrote to memory of 1852 4528 ef3e3aff16b6dfb02fe48435614b0bd4.exe 94 PID 4528 wrote to memory of 1852 4528 ef3e3aff16b6dfb02fe48435614b0bd4.exe 94 PID 4528 wrote to memory of 1852 4528 ef3e3aff16b6dfb02fe48435614b0bd4.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\ef3e3aff16b6dfb02fe48435614b0bd4.exe"C:\Users\Admin\AppData\Local\Temp\ef3e3aff16b6dfb02fe48435614b0bd4.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:4528 -
C:\Users\Admin\paimuu.exe"C:\Users\Admin\paimuu.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:1852
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
100KB
MD5e57596425568d2a0a0b93c7de3e9466e
SHA1f7894d8875913f4ad26b4f72eb3e98f73129f720
SHA2564eec0485dcca1ecc0b38c69a8b7659c985914d5b9969dd2f5708dfef0a9c6c9e
SHA5127e884232dcc56787c69150a907de425f81debd2a7bcea9008a5a897e89adf46cbb2c8719c1a3a64d10c8c4d420645a30f2f21ea3708f46d88391ed26bfeef33b