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Analysis
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max time kernel
172s -
max time network
48s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
01/12/2022, 23:21
Static task
static1
Behavioral task
behavioral1
Sample
67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06.exe
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Size
192KB
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MD5
6fde77aaf7879e973ca0aecd6c751f16
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SHA1
857c9de66351d1ce322030baadfbd85d3d16debd
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SHA256
67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06
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SHA512
12a72c8c80bd11b1cd007699ca193fd856fc7bbbacd4676d881a78f583f59ceabdf01a94ec8669b56a8ad25c278f29af8c95ef1c622328a08cdb968d0e993fa5
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SSDEEP
1536:7vHmH9uHl9grPRi4iti93MH9iV6MRfWzzp3BHCeQbIYL29oPLJZ514R9/eJqi/7:bmH9a9KRi4itiSHXzp3fYhPLJGaD
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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" zoimaij.exe -
Executes dropped EXE 1 IoCs
pid Process 992 zoimaij.exe -
Loads dropped DLL 2 IoCs
pid Process 1228 67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06.exe 1228 67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoimaij = "C:\\Users\\Admin\\zoimaij.exe /m" zoimaij.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ zoimaij.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoimaij = "C:\\Users\\Admin\\zoimaij.exe /o" zoimaij.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoimaij = "C:\\Users\\Admin\\zoimaij.exe /j" zoimaij.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoimaij = "C:\\Users\\Admin\\zoimaij.exe /q" zoimaij.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoimaij = "C:\\Users\\Admin\\zoimaij.exe /i" zoimaij.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoimaij = "C:\\Users\\Admin\\zoimaij.exe /z" zoimaij.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoimaij = "C:\\Users\\Admin\\zoimaij.exe /v" zoimaij.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoimaij = "C:\\Users\\Admin\\zoimaij.exe /h" zoimaij.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoimaij = "C:\\Users\\Admin\\zoimaij.exe /u" zoimaij.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoimaij = "C:\\Users\\Admin\\zoimaij.exe /a" zoimaij.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoimaij = "C:\\Users\\Admin\\zoimaij.exe /p" zoimaij.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoimaij = "C:\\Users\\Admin\\zoimaij.exe /y" zoimaij.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoimaij = "C:\\Users\\Admin\\zoimaij.exe /k" zoimaij.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoimaij = "C:\\Users\\Admin\\zoimaij.exe /p" 67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoimaij = "C:\\Users\\Admin\\zoimaij.exe /w" zoimaij.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoimaij = "C:\\Users\\Admin\\zoimaij.exe /x" zoimaij.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoimaij = "C:\\Users\\Admin\\zoimaij.exe /r" zoimaij.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoimaij = "C:\\Users\\Admin\\zoimaij.exe /e" zoimaij.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoimaij = "C:\\Users\\Admin\\zoimaij.exe /g" zoimaij.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoimaij = "C:\\Users\\Admin\\zoimaij.exe /n" zoimaij.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoimaij = "C:\\Users\\Admin\\zoimaij.exe /c" zoimaij.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoimaij = "C:\\Users\\Admin\\zoimaij.exe /f" zoimaij.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoimaij = "C:\\Users\\Admin\\zoimaij.exe /s" zoimaij.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoimaij = "C:\\Users\\Admin\\zoimaij.exe /t" zoimaij.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoimaij = "C:\\Users\\Admin\\zoimaij.exe /d" zoimaij.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoimaij = "C:\\Users\\Admin\\zoimaij.exe /b" zoimaij.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoimaij = "C:\\Users\\Admin\\zoimaij.exe /l" zoimaij.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 1228 67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe 992 zoimaij.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1228 67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06.exe 992 zoimaij.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1228 wrote to memory of 992 1228 67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06.exe 27 PID 1228 wrote to memory of 992 1228 67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06.exe 27 PID 1228 wrote to memory of 992 1228 67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06.exe 27 PID 1228 wrote to memory of 992 1228 67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06.exe"C:\Users\Admin\AppData\Local\Temp\67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06.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:1228 -
C:\Users\Admin\zoimaij.exe"C:\Users\Admin\zoimaij.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:992
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
192KB
MD50f5cd1a4bf04694e9bdb72d71414d72a
SHA1b746b4fb52d0803c55639c85093aab69d26a3c09
SHA256e7dd61b510d8fd99d94b8d7501045fd6a9d9c3412fd58b2576eb9d12b68e4b5b
SHA512263603acc171d28c430559ee51f53f87d2d9fccb3b0cb43275bb0cc3de180435a2faf867989d6280617636570ce40102314081f72a41c21aac7baabc4c84c311
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Filesize
192KB
MD50f5cd1a4bf04694e9bdb72d71414d72a
SHA1b746b4fb52d0803c55639c85093aab69d26a3c09
SHA256e7dd61b510d8fd99d94b8d7501045fd6a9d9c3412fd58b2576eb9d12b68e4b5b
SHA512263603acc171d28c430559ee51f53f87d2d9fccb3b0cb43275bb0cc3de180435a2faf867989d6280617636570ce40102314081f72a41c21aac7baabc4c84c311
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Filesize
192KB
MD50f5cd1a4bf04694e9bdb72d71414d72a
SHA1b746b4fb52d0803c55639c85093aab69d26a3c09
SHA256e7dd61b510d8fd99d94b8d7501045fd6a9d9c3412fd58b2576eb9d12b68e4b5b
SHA512263603acc171d28c430559ee51f53f87d2d9fccb3b0cb43275bb0cc3de180435a2faf867989d6280617636570ce40102314081f72a41c21aac7baabc4c84c311
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Filesize
192KB
MD50f5cd1a4bf04694e9bdb72d71414d72a
SHA1b746b4fb52d0803c55639c85093aab69d26a3c09
SHA256e7dd61b510d8fd99d94b8d7501045fd6a9d9c3412fd58b2576eb9d12b68e4b5b
SHA512263603acc171d28c430559ee51f53f87d2d9fccb3b0cb43275bb0cc3de180435a2faf867989d6280617636570ce40102314081f72a41c21aac7baabc4c84c311