Analysis
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max time kernel
151s -
max time network
50s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
05/12/2022, 09:55
Static task
static1
Behavioral task
behavioral1
Sample
5dc2a729f28a21c8a8c83937c5f2c47b2b2f94c92509728c49615b06fbc4831a.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
5dc2a729f28a21c8a8c83937c5f2c47b2b2f94c92509728c49615b06fbc4831a.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
5dc2a729f28a21c8a8c83937c5f2c47b2b2f94c92509728c49615b06fbc4831a.exe
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Size
300KB
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MD5
b316070a7bcd304a80f853ce14d8a982
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SHA1
fb498a3b05adf7a1c47da3b581c1ea62ee830613
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SHA256
5dc2a729f28a21c8a8c83937c5f2c47b2b2f94c92509728c49615b06fbc4831a
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SHA512
d8cfd40bed2724db0cd46e14cdd0a6f9ee9e182fc273fcf8947daf6de37fd1d45bdd4e753245d8fbd2daab4f526b488517832c9ae9aa796784378915497e57a6
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SSDEEP
6144:mFdCMeavuzakX681UbgwDO7zRdmM57M186AFGt:mbBvuzzEt
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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 5dc2a729f28a21c8a8c83937c5f2c47b2b2f94c92509728c49615b06fbc4831a.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" guaox.exe -
Executes dropped EXE 1 IoCs
pid Process 1212 guaox.exe -
Loads dropped DLL 2 IoCs
pid Process 1632 5dc2a729f28a21c8a8c83937c5f2c47b2b2f94c92509728c49615b06fbc4831a.exe 1632 5dc2a729f28a21c8a8c83937c5f2c47b2b2f94c92509728c49615b06fbc4831a.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guaox = "C:\\Users\\Admin\\guaox.exe /z" guaox.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guaox = "C:\\Users\\Admin\\guaox.exe /f" guaox.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guaox = "C:\\Users\\Admin\\guaox.exe /d" guaox.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guaox = "C:\\Users\\Admin\\guaox.exe /s" guaox.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guaox = "C:\\Users\\Admin\\guaox.exe /h" guaox.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guaox = "C:\\Users\\Admin\\guaox.exe /q" guaox.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guaox = "C:\\Users\\Admin\\guaox.exe /p" guaox.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ guaox.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guaox = "C:\\Users\\Admin\\guaox.exe /m" guaox.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guaox = "C:\\Users\\Admin\\guaox.exe /e" guaox.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guaox = "C:\\Users\\Admin\\guaox.exe /o" guaox.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guaox = "C:\\Users\\Admin\\guaox.exe /t" guaox.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guaox = "C:\\Users\\Admin\\guaox.exe /v" guaox.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guaox = "C:\\Users\\Admin\\guaox.exe /a" 5dc2a729f28a21c8a8c83937c5f2c47b2b2f94c92509728c49615b06fbc4831a.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guaox = "C:\\Users\\Admin\\guaox.exe /a" guaox.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guaox = "C:\\Users\\Admin\\guaox.exe /g" guaox.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guaox = "C:\\Users\\Admin\\guaox.exe /x" guaox.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guaox = "C:\\Users\\Admin\\guaox.exe /j" guaox.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guaox = "C:\\Users\\Admin\\guaox.exe /k" guaox.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guaox = "C:\\Users\\Admin\\guaox.exe /l" guaox.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guaox = "C:\\Users\\Admin\\guaox.exe /i" guaox.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guaox = "C:\\Users\\Admin\\guaox.exe /u" guaox.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guaox = "C:\\Users\\Admin\\guaox.exe /b" guaox.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guaox = "C:\\Users\\Admin\\guaox.exe /y" guaox.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 5dc2a729f28a21c8a8c83937c5f2c47b2b2f94c92509728c49615b06fbc4831a.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guaox = "C:\\Users\\Admin\\guaox.exe /r" guaox.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guaox = "C:\\Users\\Admin\\guaox.exe /c" guaox.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guaox = "C:\\Users\\Admin\\guaox.exe /n" guaox.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\guaox = "C:\\Users\\Admin\\guaox.exe /w" guaox.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 1632 5dc2a729f28a21c8a8c83937c5f2c47b2b2f94c92509728c49615b06fbc4831a.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe 1212 guaox.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1632 5dc2a729f28a21c8a8c83937c5f2c47b2b2f94c92509728c49615b06fbc4831a.exe 1212 guaox.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1632 wrote to memory of 1212 1632 5dc2a729f28a21c8a8c83937c5f2c47b2b2f94c92509728c49615b06fbc4831a.exe 28 PID 1632 wrote to memory of 1212 1632 5dc2a729f28a21c8a8c83937c5f2c47b2b2f94c92509728c49615b06fbc4831a.exe 28 PID 1632 wrote to memory of 1212 1632 5dc2a729f28a21c8a8c83937c5f2c47b2b2f94c92509728c49615b06fbc4831a.exe 28 PID 1632 wrote to memory of 1212 1632 5dc2a729f28a21c8a8c83937c5f2c47b2b2f94c92509728c49615b06fbc4831a.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\5dc2a729f28a21c8a8c83937c5f2c47b2b2f94c92509728c49615b06fbc4831a.exe"C:\Users\Admin\AppData\Local\Temp\5dc2a729f28a21c8a8c83937c5f2c47b2b2f94c92509728c49615b06fbc4831a.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:1632 -
C:\Users\Admin\guaox.exe"C:\Users\Admin\guaox.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:1212
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
300KB
MD51ad4849c80f2c39283d94197f2f4a386
SHA1683604e0467ed7c07bb92d01373979225cdc1325
SHA2561ad20a5b085121997990e794a59d8735c9f88b6386c9be01e0c360dd0090a53d
SHA512f63ad61f4df7ec118758ce71def0ef7a25b1c652a4fa6ce6d498f6bbe984fb3c6b8860e08dfee3690396377dc31eefcb7b276c37ee9cdbf2fc0a52d8fcf2344d
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Filesize
300KB
MD51ad4849c80f2c39283d94197f2f4a386
SHA1683604e0467ed7c07bb92d01373979225cdc1325
SHA2561ad20a5b085121997990e794a59d8735c9f88b6386c9be01e0c360dd0090a53d
SHA512f63ad61f4df7ec118758ce71def0ef7a25b1c652a4fa6ce6d498f6bbe984fb3c6b8860e08dfee3690396377dc31eefcb7b276c37ee9cdbf2fc0a52d8fcf2344d
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Filesize
300KB
MD51ad4849c80f2c39283d94197f2f4a386
SHA1683604e0467ed7c07bb92d01373979225cdc1325
SHA2561ad20a5b085121997990e794a59d8735c9f88b6386c9be01e0c360dd0090a53d
SHA512f63ad61f4df7ec118758ce71def0ef7a25b1c652a4fa6ce6d498f6bbe984fb3c6b8860e08dfee3690396377dc31eefcb7b276c37ee9cdbf2fc0a52d8fcf2344d
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Filesize
300KB
MD51ad4849c80f2c39283d94197f2f4a386
SHA1683604e0467ed7c07bb92d01373979225cdc1325
SHA2561ad20a5b085121997990e794a59d8735c9f88b6386c9be01e0c360dd0090a53d
SHA512f63ad61f4df7ec118758ce71def0ef7a25b1c652a4fa6ce6d498f6bbe984fb3c6b8860e08dfee3690396377dc31eefcb7b276c37ee9cdbf2fc0a52d8fcf2344d