Analysis
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max time kernel
194s -
max time network
203s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
05/12/2022, 09:37
Static task
static1
Behavioral task
behavioral1
Sample
a6665ef5ef8dff1e1fba2d0488b5994a05e5cffc2d806913afbd66267df47486.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
a6665ef5ef8dff1e1fba2d0488b5994a05e5cffc2d806913afbd66267df47486.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
a6665ef5ef8dff1e1fba2d0488b5994a05e5cffc2d806913afbd66267df47486.exe
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Size
104KB
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MD5
bcd3608e63b398383f4fedbc6d62bfa7
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SHA1
35bf12d00552ae4254db2c958f3a611ef3883a2b
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SHA256
a6665ef5ef8dff1e1fba2d0488b5994a05e5cffc2d806913afbd66267df47486
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SHA512
34f70ef0099f8cc52927a3970ba0c0b952dc7eb597a34ac2145740b7da3ed775d868f622029b8ab08007ad796689f31e8458631eaabc97c65ae4f201fe080855
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SSDEEP
1536:8uLRvx+uYGs+HBchhQKNIqpOcQv0sTEFSocRoXjLl0Ii:DK+eiKNZJQv0sT5o3mIi
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-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" wooxaz.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" a6665ef5ef8dff1e1fba2d0488b5994a05e5cffc2d806913afbd66267df47486.exe -
Executes dropped EXE 1 IoCs
pid Process 5028 wooxaz.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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation a6665ef5ef8dff1e1fba2d0488b5994a05e5cffc2d806913afbd66267df47486.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wooxaz = "C:\\Users\\Admin\\wooxaz.exe /d" wooxaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wooxaz = "C:\\Users\\Admin\\wooxaz.exe /v" wooxaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wooxaz = "C:\\Users\\Admin\\wooxaz.exe /p" wooxaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wooxaz = "C:\\Users\\Admin\\wooxaz.exe /q" wooxaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wooxaz = "C:\\Users\\Admin\\wooxaz.exe /f" a6665ef5ef8dff1e1fba2d0488b5994a05e5cffc2d806913afbd66267df47486.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wooxaz = "C:\\Users\\Admin\\wooxaz.exe /e" wooxaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wooxaz = "C:\\Users\\Admin\\wooxaz.exe /o" wooxaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wooxaz = "C:\\Users\\Admin\\wooxaz.exe /k" wooxaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wooxaz = "C:\\Users\\Admin\\wooxaz.exe /s" wooxaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wooxaz = "C:\\Users\\Admin\\wooxaz.exe /m" wooxaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wooxaz = "C:\\Users\\Admin\\wooxaz.exe /n" wooxaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wooxaz = "C:\\Users\\Admin\\wooxaz.exe /g" wooxaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wooxaz = "C:\\Users\\Admin\\wooxaz.exe /z" wooxaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wooxaz = "C:\\Users\\Admin\\wooxaz.exe /b" wooxaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wooxaz = "C:\\Users\\Admin\\wooxaz.exe /u" wooxaz.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\ wooxaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wooxaz = "C:\\Users\\Admin\\wooxaz.exe /x" wooxaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wooxaz = "C:\\Users\\Admin\\wooxaz.exe /a" wooxaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wooxaz = "C:\\Users\\Admin\\wooxaz.exe /l" wooxaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wooxaz = "C:\\Users\\Admin\\wooxaz.exe /i" wooxaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wooxaz = "C:\\Users\\Admin\\wooxaz.exe /h" wooxaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wooxaz = "C:\\Users\\Admin\\wooxaz.exe /y" wooxaz.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\ a6665ef5ef8dff1e1fba2d0488b5994a05e5cffc2d806913afbd66267df47486.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wooxaz = "C:\\Users\\Admin\\wooxaz.exe /t" wooxaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wooxaz = "C:\\Users\\Admin\\wooxaz.exe /c" wooxaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wooxaz = "C:\\Users\\Admin\\wooxaz.exe /j" wooxaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wooxaz = "C:\\Users\\Admin\\wooxaz.exe /f" wooxaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wooxaz = "C:\\Users\\Admin\\wooxaz.exe /w" wooxaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wooxaz = "C:\\Users\\Admin\\wooxaz.exe /r" wooxaz.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 4184 a6665ef5ef8dff1e1fba2d0488b5994a05e5cffc2d806913afbd66267df47486.exe 4184 a6665ef5ef8dff1e1fba2d0488b5994a05e5cffc2d806913afbd66267df47486.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe 5028 wooxaz.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4184 a6665ef5ef8dff1e1fba2d0488b5994a05e5cffc2d806913afbd66267df47486.exe 5028 wooxaz.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4184 wrote to memory of 5028 4184 a6665ef5ef8dff1e1fba2d0488b5994a05e5cffc2d806913afbd66267df47486.exe 82 PID 4184 wrote to memory of 5028 4184 a6665ef5ef8dff1e1fba2d0488b5994a05e5cffc2d806913afbd66267df47486.exe 82 PID 4184 wrote to memory of 5028 4184 a6665ef5ef8dff1e1fba2d0488b5994a05e5cffc2d806913afbd66267df47486.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\a6665ef5ef8dff1e1fba2d0488b5994a05e5cffc2d806913afbd66267df47486.exe"C:\Users\Admin\AppData\Local\Temp\a6665ef5ef8dff1e1fba2d0488b5994a05e5cffc2d806913afbd66267df47486.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:4184 -
C:\Users\Admin\wooxaz.exe"C:\Users\Admin\wooxaz.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:5028
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
104KB
MD5c78a62832b0fc3057d43b194f603605c
SHA19c74979015a49cb140667f1d1b1787a465831909
SHA2566e99d608fcd5796cbe02989f1f44b450c2493093b0f8ce7551c90d8766ab91b7
SHA5126d24b470095cf3c2310d7f186e60edd5be584927eb270bf6b7f2cf6bbd72f389b3b4e806ddeeb1615c65cdb7c55d5cdb12f3e6304ad20b743f0287241887bd14
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Filesize
104KB
MD5c78a62832b0fc3057d43b194f603605c
SHA19c74979015a49cb140667f1d1b1787a465831909
SHA2566e99d608fcd5796cbe02989f1f44b450c2493093b0f8ce7551c90d8766ab91b7
SHA5126d24b470095cf3c2310d7f186e60edd5be584927eb270bf6b7f2cf6bbd72f389b3b4e806ddeeb1615c65cdb7c55d5cdb12f3e6304ad20b743f0287241887bd14