Analysis
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max time kernel
173s -
max time network
59s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
03/10/2022, 03:11
Static task
static1
Behavioral task
behavioral1
Sample
9b13392e90a56adc83ab7abc0ad1d1fd0a2007a074595c57e3baa0c0eb45795f.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
9b13392e90a56adc83ab7abc0ad1d1fd0a2007a074595c57e3baa0c0eb45795f.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
9b13392e90a56adc83ab7abc0ad1d1fd0a2007a074595c57e3baa0c0eb45795f.exe
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Size
232KB
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MD5
6b945982862bd8ae7d1dcb7e8bb29690
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SHA1
d7390eca329ea1a0050e40cc2439b1c5cddac805
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SHA256
9b13392e90a56adc83ab7abc0ad1d1fd0a2007a074595c57e3baa0c0eb45795f
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SHA512
1a778d2f55f22da7736aed8424a5bfa1fdd6875b414620c6cb02dc62c9856d42825403ecfed3ea4b10005cd5da2b09f5bfa59817cbb77b48cff0df53ecf39102
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SSDEEP
3072:cpMeBcvWYwN1Smm727IJCkvIwXX4Ph0ApMX3KKl+Hv/91I/2XalDD:cpPBcvWYwN1S327Y54Ph0TX1kd18Ca
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" 9b13392e90a56adc83ab7abc0ad1d1fd0a2007a074595c57e3baa0c0eb45795f.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" gaoifu.exe -
Executes dropped EXE 1 IoCs
pid Process 1420 gaoifu.exe -
Loads dropped DLL 2 IoCs
pid Process 1916 9b13392e90a56adc83ab7abc0ad1d1fd0a2007a074595c57e3baa0c0eb45795f.exe 1916 9b13392e90a56adc83ab7abc0ad1d1fd0a2007a074595c57e3baa0c0eb45795f.exe -
Adds Run key to start application 2 TTPs 54 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /Z" gaoifu.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 9b13392e90a56adc83ab7abc0ad1d1fd0a2007a074595c57e3baa0c0eb45795f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /w" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /u" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /m" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /x" 9b13392e90a56adc83ab7abc0ad1d1fd0a2007a074595c57e3baa0c0eb45795f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /E" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /y" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /c" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /U" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /A" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /o" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /T" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /d" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /V" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /P" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /S" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /D" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /N" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /F" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /p" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /a" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /z" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /X" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /e" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /J" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /i" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /I" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /f" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /s" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /v" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /C" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /j" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /x" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /K" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /H" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /R" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /W" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /B" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /q" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /h" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /t" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /Q" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /g" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /O" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /r" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /G" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /n" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /Y" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /l" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /L" gaoifu.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /k" gaoifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\gaoifu = "C:\\Users\\Admin\\gaoifu.exe /b" gaoifu.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 1916 9b13392e90a56adc83ab7abc0ad1d1fd0a2007a074595c57e3baa0c0eb45795f.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe 1420 gaoifu.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1916 9b13392e90a56adc83ab7abc0ad1d1fd0a2007a074595c57e3baa0c0eb45795f.exe 1420 gaoifu.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1916 wrote to memory of 1420 1916 9b13392e90a56adc83ab7abc0ad1d1fd0a2007a074595c57e3baa0c0eb45795f.exe 28 PID 1916 wrote to memory of 1420 1916 9b13392e90a56adc83ab7abc0ad1d1fd0a2007a074595c57e3baa0c0eb45795f.exe 28 PID 1916 wrote to memory of 1420 1916 9b13392e90a56adc83ab7abc0ad1d1fd0a2007a074595c57e3baa0c0eb45795f.exe 28 PID 1916 wrote to memory of 1420 1916 9b13392e90a56adc83ab7abc0ad1d1fd0a2007a074595c57e3baa0c0eb45795f.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\9b13392e90a56adc83ab7abc0ad1d1fd0a2007a074595c57e3baa0c0eb45795f.exe"C:\Users\Admin\AppData\Local\Temp\9b13392e90a56adc83ab7abc0ad1d1fd0a2007a074595c57e3baa0c0eb45795f.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:1916 -
C:\Users\Admin\gaoifu.exe"C:\Users\Admin\gaoifu.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:1420
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
232KB
MD561f7f07282a9a7baf81a8e40457c43fd
SHA112a02b18fcfebb8f7b2712501df97b3605d15854
SHA256068a25777a44be534dec0bcc169c43df08a1794214d96f277d439adac758c81c
SHA51286a1a26abd1a36c4b06e20a0c39f11ec8b1789dc8d79652c3596e01d8b91ae5a3262214afecb84cf05226e0096719ad4c505c40b70a3a109e4bab0c24cc752aa
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Filesize
232KB
MD561f7f07282a9a7baf81a8e40457c43fd
SHA112a02b18fcfebb8f7b2712501df97b3605d15854
SHA256068a25777a44be534dec0bcc169c43df08a1794214d96f277d439adac758c81c
SHA51286a1a26abd1a36c4b06e20a0c39f11ec8b1789dc8d79652c3596e01d8b91ae5a3262214afecb84cf05226e0096719ad4c505c40b70a3a109e4bab0c24cc752aa
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Filesize
232KB
MD561f7f07282a9a7baf81a8e40457c43fd
SHA112a02b18fcfebb8f7b2712501df97b3605d15854
SHA256068a25777a44be534dec0bcc169c43df08a1794214d96f277d439adac758c81c
SHA51286a1a26abd1a36c4b06e20a0c39f11ec8b1789dc8d79652c3596e01d8b91ae5a3262214afecb84cf05226e0096719ad4c505c40b70a3a109e4bab0c24cc752aa
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Filesize
232KB
MD561f7f07282a9a7baf81a8e40457c43fd
SHA112a02b18fcfebb8f7b2712501df97b3605d15854
SHA256068a25777a44be534dec0bcc169c43df08a1794214d96f277d439adac758c81c
SHA51286a1a26abd1a36c4b06e20a0c39f11ec8b1789dc8d79652c3596e01d8b91ae5a3262214afecb84cf05226e0096719ad4c505c40b70a3a109e4bab0c24cc752aa