Analysis
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max time kernel
151s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
29-11-2022 03:29
Static task
static1
Behavioral task
behavioral1
Sample
222ed23874874612a2f0edd6468f1c024d00505e2e31cc94e1922caf4cbdfbb4.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
222ed23874874612a2f0edd6468f1c024d00505e2e31cc94e1922caf4cbdfbb4.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
222ed23874874612a2f0edd6468f1c024d00505e2e31cc94e1922caf4cbdfbb4.exe
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Size
272KB
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MD5
f695fe136fb3c64518c27f7ffd4647df
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SHA1
48e25a2dc2e0a3bbe1c1f4ee0ed8ff007c955d4c
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SHA256
222ed23874874612a2f0edd6468f1c024d00505e2e31cc94e1922caf4cbdfbb4
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SHA512
04c97a0c365d0ec409b18919bf01bad62985e76fa98d743470f3c017a1df4b3a0fb38561835534bb0980088e8bd27b297f4a5f076bdab6ded8372680d955ca7e
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SSDEEP
3072:qEyMaIB66OWzaqBtqKOqNrkQNG7opA83kPj/1yBIOap1m:xyMa1WtC6d3pAGkPj/1yBNs1m
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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 222ed23874874612a2f0edd6468f1c024d00505e2e31cc94e1922caf4cbdfbb4.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" gaetua.exe -
Executes dropped EXE 1 IoCs
pid Process 588 gaetua.exe -
Loads dropped DLL 2 IoCs
pid Process 620 222ed23874874612a2f0edd6468f1c024d00505e2e31cc94e1922caf4cbdfbb4.exe 620 222ed23874874612a2f0edd6468f1c024d00505e2e31cc94e1922caf4cbdfbb4.exe -
Adds Run key to start application 2 TTPs 28 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 222ed23874874612a2f0edd6468f1c024d00505e2e31cc94e1922caf4cbdfbb4.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaetua = "C:\\Users\\Admin\\gaetua.exe /t" gaetua.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaetua = "C:\\Users\\Admin\\gaetua.exe /j" gaetua.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaetua = "C:\\Users\\Admin\\gaetua.exe /a" gaetua.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaetua = "C:\\Users\\Admin\\gaetua.exe /e" gaetua.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaetua = "C:\\Users\\Admin\\gaetua.exe /s" gaetua.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaetua = "C:\\Users\\Admin\\gaetua.exe /k" gaetua.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaetua = "C:\\Users\\Admin\\gaetua.exe /v" gaetua.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaetua = "C:\\Users\\Admin\\gaetua.exe /y" gaetua.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaetua = "C:\\Users\\Admin\\gaetua.exe /x" gaetua.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ gaetua.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaetua = "C:\\Users\\Admin\\gaetua.exe /q" gaetua.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaetua = "C:\\Users\\Admin\\gaetua.exe /i" gaetua.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaetua = "C:\\Users\\Admin\\gaetua.exe /r" gaetua.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaetua = "C:\\Users\\Admin\\gaetua.exe /d" gaetua.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaetua = "C:\\Users\\Admin\\gaetua.exe /n" gaetua.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaetua = "C:\\Users\\Admin\\gaetua.exe /p" gaetua.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaetua = "C:\\Users\\Admin\\gaetua.exe /f" gaetua.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaetua = "C:\\Users\\Admin\\gaetua.exe /b" gaetua.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaetua = "C:\\Users\\Admin\\gaetua.exe /o" gaetua.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaetua = "C:\\Users\\Admin\\gaetua.exe /g" gaetua.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaetua = "C:\\Users\\Admin\\gaetua.exe /m" gaetua.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaetua = "C:\\Users\\Admin\\gaetua.exe /u" gaetua.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaetua = "C:\\Users\\Admin\\gaetua.exe /z" gaetua.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaetua = "C:\\Users\\Admin\\gaetua.exe /w" gaetua.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaetua = "C:\\Users\\Admin\\gaetua.exe /h" gaetua.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaetua = "C:\\Users\\Admin\\gaetua.exe /p" 222ed23874874612a2f0edd6468f1c024d00505e2e31cc94e1922caf4cbdfbb4.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaetua = "C:\\Users\\Admin\\gaetua.exe /l" gaetua.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 620 222ed23874874612a2f0edd6468f1c024d00505e2e31cc94e1922caf4cbdfbb4.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe 588 gaetua.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 620 222ed23874874612a2f0edd6468f1c024d00505e2e31cc94e1922caf4cbdfbb4.exe 588 gaetua.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 620 wrote to memory of 588 620 222ed23874874612a2f0edd6468f1c024d00505e2e31cc94e1922caf4cbdfbb4.exe 27 PID 620 wrote to memory of 588 620 222ed23874874612a2f0edd6468f1c024d00505e2e31cc94e1922caf4cbdfbb4.exe 27 PID 620 wrote to memory of 588 620 222ed23874874612a2f0edd6468f1c024d00505e2e31cc94e1922caf4cbdfbb4.exe 27 PID 620 wrote to memory of 588 620 222ed23874874612a2f0edd6468f1c024d00505e2e31cc94e1922caf4cbdfbb4.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\222ed23874874612a2f0edd6468f1c024d00505e2e31cc94e1922caf4cbdfbb4.exe"C:\Users\Admin\AppData\Local\Temp\222ed23874874612a2f0edd6468f1c024d00505e2e31cc94e1922caf4cbdfbb4.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:620 -
C:\Users\Admin\gaetua.exe"C:\Users\Admin\gaetua.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:588
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
272KB
MD5c6de5af133ceb3474b413801020a4077
SHA1d4e4a6ac1086fc061dbade31f5199308c374802e
SHA2566ee5f4fc8fdf0b6f76556c65e75c17e0526cf84d72140f1c4f6bf76dc5d4fffb
SHA512f905a83440bacbc9b64bd3601ffea5d4bc5546a70d8af2a27e8dad027e0f1ffdfd285e31f202b37601a16b37b0bb2b7fdd94ed686beb4385867b240ecbeaea91
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Filesize
272KB
MD5c6de5af133ceb3474b413801020a4077
SHA1d4e4a6ac1086fc061dbade31f5199308c374802e
SHA2566ee5f4fc8fdf0b6f76556c65e75c17e0526cf84d72140f1c4f6bf76dc5d4fffb
SHA512f905a83440bacbc9b64bd3601ffea5d4bc5546a70d8af2a27e8dad027e0f1ffdfd285e31f202b37601a16b37b0bb2b7fdd94ed686beb4385867b240ecbeaea91
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Filesize
272KB
MD5c6de5af133ceb3474b413801020a4077
SHA1d4e4a6ac1086fc061dbade31f5199308c374802e
SHA2566ee5f4fc8fdf0b6f76556c65e75c17e0526cf84d72140f1c4f6bf76dc5d4fffb
SHA512f905a83440bacbc9b64bd3601ffea5d4bc5546a70d8af2a27e8dad027e0f1ffdfd285e31f202b37601a16b37b0bb2b7fdd94ed686beb4385867b240ecbeaea91
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Filesize
272KB
MD5c6de5af133ceb3474b413801020a4077
SHA1d4e4a6ac1086fc061dbade31f5199308c374802e
SHA2566ee5f4fc8fdf0b6f76556c65e75c17e0526cf84d72140f1c4f6bf76dc5d4fffb
SHA512f905a83440bacbc9b64bd3601ffea5d4bc5546a70d8af2a27e8dad027e0f1ffdfd285e31f202b37601a16b37b0bb2b7fdd94ed686beb4385867b240ecbeaea91