Analysis
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max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
28-10-2022 18:29
Static task
static1
Behavioral task
behavioral1
Sample
75b12244eb2ad3612a39b3cc2902181011c65fbd6911767493d440f4cab3658a.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
75b12244eb2ad3612a39b3cc2902181011c65fbd6911767493d440f4cab3658a.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
75b12244eb2ad3612a39b3cc2902181011c65fbd6911767493d440f4cab3658a.exe
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Size
96KB
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MD5
005fbdc604317bb6b65aa89721fea7d0
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SHA1
1d2ecac549295fd8c2d98396d333198d00b45c7a
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SHA256
75b12244eb2ad3612a39b3cc2902181011c65fbd6911767493d440f4cab3658a
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SHA512
90bc9b87e16d0b843519a72be53027a5e66937b8b7274839dbc7e0de9f19f1426a57789977cbe72d1ed5f41af1b10c05b29bbe6e8cf322a27bd61de446801a68
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SSDEEP
1536:EVQcEVXEsTCfNEHYkJouJjcXCSuyAn7X3i6Emq/d:4mckJouJjcgcd
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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 75b12244eb2ad3612a39b3cc2902181011c65fbd6911767493d440f4cab3658a.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" gaoru.exe -
Executes dropped EXE 1 IoCs
pid Process 112 gaoru.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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation 75b12244eb2ad3612a39b3cc2902181011c65fbd6911767493d440f4cab3658a.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaoru = "C:\\Users\\Admin\\gaoru.exe /o" gaoru.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaoru = "C:\\Users\\Admin\\gaoru.exe /p" gaoru.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaoru = "C:\\Users\\Admin\\gaoru.exe /t" gaoru.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaoru = "C:\\Users\\Admin\\gaoru.exe /e" gaoru.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 75b12244eb2ad3612a39b3cc2902181011c65fbd6911767493d440f4cab3658a.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaoru = "C:\\Users\\Admin\\gaoru.exe /q" 75b12244eb2ad3612a39b3cc2902181011c65fbd6911767493d440f4cab3658a.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaoru = "C:\\Users\\Admin\\gaoru.exe /h" gaoru.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaoru = "C:\\Users\\Admin\\gaoru.exe /v" gaoru.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaoru = "C:\\Users\\Admin\\gaoru.exe /m" gaoru.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaoru = "C:\\Users\\Admin\\gaoru.exe /c" gaoru.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaoru = "C:\\Users\\Admin\\gaoru.exe /l" gaoru.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaoru = "C:\\Users\\Admin\\gaoru.exe /w" gaoru.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaoru = "C:\\Users\\Admin\\gaoru.exe /s" gaoru.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaoru = "C:\\Users\\Admin\\gaoru.exe /a" gaoru.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaoru = "C:\\Users\\Admin\\gaoru.exe /q" gaoru.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaoru = "C:\\Users\\Admin\\gaoru.exe /j" gaoru.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaoru = "C:\\Users\\Admin\\gaoru.exe /f" gaoru.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaoru = "C:\\Users\\Admin\\gaoru.exe /i" gaoru.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaoru = "C:\\Users\\Admin\\gaoru.exe /k" gaoru.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaoru = "C:\\Users\\Admin\\gaoru.exe /b" gaoru.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaoru = "C:\\Users\\Admin\\gaoru.exe /d" gaoru.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ gaoru.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaoru = "C:\\Users\\Admin\\gaoru.exe /u" gaoru.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaoru = "C:\\Users\\Admin\\gaoru.exe /z" gaoru.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaoru = "C:\\Users\\Admin\\gaoru.exe /x" gaoru.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaoru = "C:\\Users\\Admin\\gaoru.exe /g" gaoru.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaoru = "C:\\Users\\Admin\\gaoru.exe /y" gaoru.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaoru = "C:\\Users\\Admin\\gaoru.exe /r" gaoru.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaoru = "C:\\Users\\Admin\\gaoru.exe /n" gaoru.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2204 75b12244eb2ad3612a39b3cc2902181011c65fbd6911767493d440f4cab3658a.exe 2204 75b12244eb2ad3612a39b3cc2902181011c65fbd6911767493d440f4cab3658a.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe 112 gaoru.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2204 75b12244eb2ad3612a39b3cc2902181011c65fbd6911767493d440f4cab3658a.exe 112 gaoru.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2204 wrote to memory of 112 2204 75b12244eb2ad3612a39b3cc2902181011c65fbd6911767493d440f4cab3658a.exe 88 PID 2204 wrote to memory of 112 2204 75b12244eb2ad3612a39b3cc2902181011c65fbd6911767493d440f4cab3658a.exe 88 PID 2204 wrote to memory of 112 2204 75b12244eb2ad3612a39b3cc2902181011c65fbd6911767493d440f4cab3658a.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\75b12244eb2ad3612a39b3cc2902181011c65fbd6911767493d440f4cab3658a.exe"C:\Users\Admin\AppData\Local\Temp\75b12244eb2ad3612a39b3cc2902181011c65fbd6911767493d440f4cab3658a.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:2204 -
C:\Users\Admin\gaoru.exe"C:\Users\Admin\gaoru.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:112
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
96KB
MD50c502984db6ab94b1c7e8743a0d9b8f2
SHA194b206e4152bf27bfc98818ea9fc5fe87ff84c9f
SHA256d26b5510362a3e2a1f3ce9910d389fe017492a4319c8f3b77db66dd09152f8fb
SHA5122bda61e1445ce479e7ef1e9b5b6e1ac606c43ecf862e9304ebca3f94ce71ad4520bf7fbff329bfc86c0901605c8df55cbb85da49074b8c60a94ab0c9b05f50b2
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Filesize
96KB
MD50c502984db6ab94b1c7e8743a0d9b8f2
SHA194b206e4152bf27bfc98818ea9fc5fe87ff84c9f
SHA256d26b5510362a3e2a1f3ce9910d389fe017492a4319c8f3b77db66dd09152f8fb
SHA5122bda61e1445ce479e7ef1e9b5b6e1ac606c43ecf862e9304ebca3f94ce71ad4520bf7fbff329bfc86c0901605c8df55cbb85da49074b8c60a94ab0c9b05f50b2