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Analysis
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max time kernel
149s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
24/02/2024, 07:19
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
a1452855f38bf6643d8b1415899cdcca.exe
Resource
win7-20240220-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
a1452855f38bf6643d8b1415899cdcca.exe
Resource
win10v2004-20240221-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
a1452855f38bf6643d8b1415899cdcca.exe
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Size
152KB
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MD5
a1452855f38bf6643d8b1415899cdcca
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SHA1
686ecba96fc819d5578fe8b75d80357c25d702df
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SHA256
b31b11c95a5c479bbe367ce10093a6a83874bf53ac782e65dd49476fd6f8e2a7
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SHA512
0fbfaf068388abc582553dbebd0d277efbd6e5b256fe0fbfce9a3a88679c381b575f81e79b8eb6ce1b85d1852046c740fe0265cb6867db772f2ac27f173d7394
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SSDEEP
3072:L3s7vl3Po5+tTjFqV+t3DRGCKBiAKWjE5j4oQ:MQ5+t8+NDR5Aud
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-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" a1452855f38bf6643d8b1415899cdcca.exe Set value (int) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" gauan.exe -
Executes dropped EXE 1 IoCs
pid Process 2604 gauan.exe -
Loads dropped DLL 2 IoCs
pid Process 1656 a1452855f38bf6643d8b1415899cdcca.exe 1656 a1452855f38bf6643d8b1415899cdcca.exe -
Adds Run key to start application 2 TTPs 50 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /K" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /A" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /c" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /v" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /x" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /z" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /H" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /P" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /F" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /G" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /L" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /b" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /Z" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /C" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /J" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /s" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /y" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /d" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /E" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /D" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /I" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /t" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /Q" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /a" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /S" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /X" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /g" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /N" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /m" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /l" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /W" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /R" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /i" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /V" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /u" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /k" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /T" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /w" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /j" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /o" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /f" a1452855f38bf6643d8b1415899cdcca.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /Y" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /e" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /h" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /p" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /q" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /U" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /f" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /r" gauan.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\gauan = "C:\\Users\\Admin\\gauan.exe /n" gauan.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 1656 a1452855f38bf6643d8b1415899cdcca.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe 2604 gauan.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1656 a1452855f38bf6643d8b1415899cdcca.exe 2604 gauan.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1656 wrote to memory of 2604 1656 a1452855f38bf6643d8b1415899cdcca.exe 28 PID 1656 wrote to memory of 2604 1656 a1452855f38bf6643d8b1415899cdcca.exe 28 PID 1656 wrote to memory of 2604 1656 a1452855f38bf6643d8b1415899cdcca.exe 28 PID 1656 wrote to memory of 2604 1656 a1452855f38bf6643d8b1415899cdcca.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\a1452855f38bf6643d8b1415899cdcca.exe"C:\Users\Admin\AppData\Local\Temp\a1452855f38bf6643d8b1415899cdcca.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:1656 -
C:\Users\Admin\gauan.exe"C:\Users\Admin\gauan.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:2604
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
152KB
MD5bc4de4d52362ead9d72818b2dc483213
SHA140dfcea2ea50ea560e027504edd2587c359befdc
SHA256fdceabef9ffa1e3e9bbbf23af8f1a7cad74f2ddaf6e0d5441ba923dec9d899fa
SHA5122d5702c42eae6cdc9437fd91bb478d49a8eec7167e57044455fa425f5a2ba36d06dd701366997b949fd41c7cc6bd06958ac3b4548cde2577ca794062959b8544