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Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
08/01/2024, 21:56
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
4c8cb18ac070a37e616de9013bc8fbee.exe
Resource
win7-20231129-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
4c8cb18ac070a37e616de9013bc8fbee.exe
Resource
win10v2004-20231222-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
4c8cb18ac070a37e616de9013bc8fbee.exe
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Size
280KB
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MD5
4c8cb18ac070a37e616de9013bc8fbee
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SHA1
d59b34055a27c10e40d0643c51c5d6be40e0a560
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SHA256
41955cca0653eda11527a4e9dd37cdc9d190584a857727366e7586ed49c37b58
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SHA512
59c08eb6d95c48b891c49396b063031bdd0db6cdf258b0aef80fb57918280a69783abd55e8e4914770f582cce1ebcd53f49b494d5dfe58a23e821bb383a7ec98
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SSDEEP
6144:SI9IpydVsZyxyK5R8GYKi1Xfvs1tzH51t+ewSReXNX/:3uydfiebOv
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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 4c8cb18ac070a37e616de9013bc8fbee.exe Set value (int) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" cuareb.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-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation 4c8cb18ac070a37e616de9013bc8fbee.exe -
Executes dropped EXE 1 IoCs
pid Process 2536 cuareb.exe -
Adds Run key to start application 2 TTPs 51 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /x" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /n" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /J" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /E" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /X" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /V" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /u" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /D" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /Z" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /m" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /y" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /v" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /l" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /W" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /G" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /r" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /g" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /z" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /Y" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /b" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /S" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /c" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /j" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /K" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /N" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /s" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /p" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /o" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /e" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /H" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /a" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /L" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /B" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /d" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /F" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /i" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /O" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /T" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /R" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /w" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /f" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /t" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /C" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /h" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /Q" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /x" 4c8cb18ac070a37e616de9013bc8fbee.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /U" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /P" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /q" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /k" cuareb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuareb = "C:\\Users\\Admin\\cuareb.exe /A" cuareb.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 4884 4c8cb18ac070a37e616de9013bc8fbee.exe 4884 4c8cb18ac070a37e616de9013bc8fbee.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe 2536 cuareb.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4884 4c8cb18ac070a37e616de9013bc8fbee.exe 2536 cuareb.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4884 wrote to memory of 2536 4884 4c8cb18ac070a37e616de9013bc8fbee.exe 95 PID 4884 wrote to memory of 2536 4884 4c8cb18ac070a37e616de9013bc8fbee.exe 95 PID 4884 wrote to memory of 2536 4884 4c8cb18ac070a37e616de9013bc8fbee.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\4c8cb18ac070a37e616de9013bc8fbee.exe"C:\Users\Admin\AppData\Local\Temp\4c8cb18ac070a37e616de9013bc8fbee.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:4884 -
C:\Users\Admin\cuareb.exe"C:\Users\Admin\cuareb.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:2536
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
280KB
MD5e1a832119ce215580c5c5910a3961043
SHA12c48b8ba2db03624b5fffdf6f7f4f26661f047cc
SHA25642acf9224bbbd10e1ca2033829c108d38a620cdd70e9657d1e7204e7db4e81c6
SHA512824b8537eb739dd967089c9570af0724b34adbf6b6764f9f42544859d0d374f32c9f709123271899a1050ecb661e7b5492b9ad91fdd5051bdb4314fd9a1c1acc