Analysis
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max time kernel
149s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
25-12-2023 09:49
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
1538aa2c65bb41501abc20e495da68ac.exe
Resource
win7-20231129-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
1538aa2c65bb41501abc20e495da68ac.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
1538aa2c65bb41501abc20e495da68ac.exe
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Size
212KB
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MD5
1538aa2c65bb41501abc20e495da68ac
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SHA1
e47083a31408b546450e535ec88430cad3d70d8c
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SHA256
1059b36b011117b936be98fcf4dce03621f335b211d4b48ef7f8fe736a45f911
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SHA512
54d3c91795ca018b5ef909933fd287904906e9cba30d03e1cdb060d797d6e7d1c5919257342d2e5b4d9f78666e57c035161121df954a1c4e36ba8d6f35fab483
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SSDEEP
3072:lrnL9FbyZMgSuuj6Uq6EGtCLBnkczjLqXs0EIdVwmC0Ei7:dVuulq6YLBNzjLLwXxC0Ei7
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-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 1538aa2c65bb41501abc20e495da68ac.exe Set value (int) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" guiimok.exe -
Executes dropped EXE 1 IoCs
pid Process 2184 guiimok.exe -
Loads dropped DLL 2 IoCs
pid Process 2824 1538aa2c65bb41501abc20e495da68ac.exe 2824 1538aa2c65bb41501abc20e495da68ac.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /x" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /U" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /W" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /d" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /a" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /m" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /g" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /Q" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /P" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /K" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /I" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /N" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /e" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /f" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /l" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /v" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /L" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /o" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /p" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /R" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /r" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /t" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /k" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /B" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /J" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /S" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /h" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /u" 1538aa2c65bb41501abc20e495da68ac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /y" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /T" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /M" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /n" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /O" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /i" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /b" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /c" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /q" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /Z" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /s" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /u" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /j" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /G" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /D" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /z" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /F" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /E" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /V" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /w" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /X" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /A" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /Y" guiimok.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\guiimok = "C:\\Users\\Admin\\guiimok.exe /H" guiimok.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 2824 1538aa2c65bb41501abc20e495da68ac.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe 2184 guiimok.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2824 1538aa2c65bb41501abc20e495da68ac.exe 2184 guiimok.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2824 wrote to memory of 2184 2824 1538aa2c65bb41501abc20e495da68ac.exe 28 PID 2824 wrote to memory of 2184 2824 1538aa2c65bb41501abc20e495da68ac.exe 28 PID 2824 wrote to memory of 2184 2824 1538aa2c65bb41501abc20e495da68ac.exe 28 PID 2824 wrote to memory of 2184 2824 1538aa2c65bb41501abc20e495da68ac.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\1538aa2c65bb41501abc20e495da68ac.exe"C:\Users\Admin\AppData\Local\Temp\1538aa2c65bb41501abc20e495da68ac.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2824 -
C:\Users\Admin\guiimok.exe"C:\Users\Admin\guiimok.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:2184
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
212KB
MD5d02ff3eb8ae1d8478dff9cb3f53f05f7
SHA102aabdbf2e7f2062af7507bc1972258742dc8f5d
SHA2567169a98635e93cf20bf5c79f6dc2b100864cc8304895fe9a77771ad7b9fee7fb
SHA512d953f6f1fdd3ebac083d406ec72a2d18190651d615c9e7d8adf9de3198ce5d7ba892b8aec84d70c7885c56d413a5de59d3cade57c75f76e7a858f7fe15afaa6c