Analysis
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max time kernel
159s -
max time network
172s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
11-10-2022 20:14
Static task
static1
Behavioral task
behavioral1
Sample
933f5a2f2d32ee297f684aba2fe82ed00727c84cda16642bdfff0ca1e7ed1221.exe
Resource
win7-20220812-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
933f5a2f2d32ee297f684aba2fe82ed00727c84cda16642bdfff0ca1e7ed1221.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
933f5a2f2d32ee297f684aba2fe82ed00727c84cda16642bdfff0ca1e7ed1221.exe
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Size
234KB
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MD5
6ed58f353c2b820a48a3d096e0a59c20
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SHA1
bd5ee569f23887f7a8f9e98d35c6433a83898911
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SHA256
933f5a2f2d32ee297f684aba2fe82ed00727c84cda16642bdfff0ca1e7ed1221
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SHA512
0d6caa7dc495f2c4d9b7f10ac54319ca8306eeae65515665f7d8f02bce52ef43c540ba0beaa5cbbba7a35c5f33807c5fa1f7006d86db80f509c600394f98f589
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SSDEEP
3072:RjujS5TRVfzAa4Q4RXSGi0nYTLpRUr94R1R1oiiFF+ZObMzqdjSGlu:vTg5zRXvYROk2iiIObMzqw
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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 933f5a2f2d32ee297f684aba2fe82ed00727c84cda16642bdfff0ca1e7ed1221.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" zaoim.exe -
Executes dropped EXE 1 IoCs
pid Process 3824 zaoim.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation 933f5a2f2d32ee297f684aba2fe82ed00727c84cda16642bdfff0ca1e7ed1221.exe -
Adds Run key to start application 2 TTPs 15 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zaoim = "C:\\Users\\Admin\\zaoim.exe /o" zaoim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zaoim = "C:\\Users\\Admin\\zaoim.exe /m" zaoim.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ zaoim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zaoim = "C:\\Users\\Admin\\zaoim.exe /g" zaoim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zaoim = "C:\\Users\\Admin\\zaoim.exe /p" zaoim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zaoim = "C:\\Users\\Admin\\zaoim.exe /z" zaoim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zaoim = "C:\\Users\\Admin\\zaoim.exe /v" zaoim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zaoim = "C:\\Users\\Admin\\zaoim.exe /l" zaoim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zaoim = "C:\\Users\\Admin\\zaoim.exe /b" zaoim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zaoim = "C:\\Users\\Admin\\zaoim.exe /y" zaoim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zaoim = "C:\\Users\\Admin\\zaoim.exe /s" zaoim.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zaoim = "C:\\Users\\Admin\\zaoim.exe /e" zaoim.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 933f5a2f2d32ee297f684aba2fe82ed00727c84cda16642bdfff0ca1e7ed1221.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zaoim = "C:\\Users\\Admin\\zaoim.exe /c" 933f5a2f2d32ee297f684aba2fe82ed00727c84cda16642bdfff0ca1e7ed1221.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zaoim = "C:\\Users\\Admin\\zaoim.exe /c" zaoim.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 933f5a2f2d32ee297f684aba2fe82ed00727c84cda16642bdfff0ca1e7ed1221.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 933f5a2f2d32ee297f684aba2fe82ed00727c84cda16642bdfff0ca1e7ed1221.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum zaoim.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 zaoim.exe -
Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\Users\Admin\c\autorun.inf zaoim.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 1072 933f5a2f2d32ee297f684aba2fe82ed00727c84cda16642bdfff0ca1e7ed1221.exe 1072 933f5a2f2d32ee297f684aba2fe82ed00727c84cda16642bdfff0ca1e7ed1221.exe 1072 933f5a2f2d32ee297f684aba2fe82ed00727c84cda16642bdfff0ca1e7ed1221.exe 1072 933f5a2f2d32ee297f684aba2fe82ed00727c84cda16642bdfff0ca1e7ed1221.exe 1072 933f5a2f2d32ee297f684aba2fe82ed00727c84cda16642bdfff0ca1e7ed1221.exe 1072 933f5a2f2d32ee297f684aba2fe82ed00727c84cda16642bdfff0ca1e7ed1221.exe 1072 933f5a2f2d32ee297f684aba2fe82ed00727c84cda16642bdfff0ca1e7ed1221.exe 1072 933f5a2f2d32ee297f684aba2fe82ed00727c84cda16642bdfff0ca1e7ed1221.exe 1072 933f5a2f2d32ee297f684aba2fe82ed00727c84cda16642bdfff0ca1e7ed1221.exe 1072 933f5a2f2d32ee297f684aba2fe82ed00727c84cda16642bdfff0ca1e7ed1221.exe 1072 933f5a2f2d32ee297f684aba2fe82ed00727c84cda16642bdfff0ca1e7ed1221.exe 1072 933f5a2f2d32ee297f684aba2fe82ed00727c84cda16642bdfff0ca1e7ed1221.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe 3824 zaoim.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1072 933f5a2f2d32ee297f684aba2fe82ed00727c84cda16642bdfff0ca1e7ed1221.exe 3824 zaoim.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1072 wrote to memory of 3824 1072 933f5a2f2d32ee297f684aba2fe82ed00727c84cda16642bdfff0ca1e7ed1221.exe 85 PID 1072 wrote to memory of 3824 1072 933f5a2f2d32ee297f684aba2fe82ed00727c84cda16642bdfff0ca1e7ed1221.exe 85 PID 1072 wrote to memory of 3824 1072 933f5a2f2d32ee297f684aba2fe82ed00727c84cda16642bdfff0ca1e7ed1221.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\933f5a2f2d32ee297f684aba2fe82ed00727c84cda16642bdfff0ca1e7ed1221.exe"C:\Users\Admin\AppData\Local\Temp\933f5a2f2d32ee297f684aba2fe82ed00727c84cda16642bdfff0ca1e7ed1221.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1072 -
C:\Users\Admin\zaoim.exe"C:\Users\Admin\zaoim.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3824
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
234KB
MD56ed58f353c2b820a48a3d096e0a59c20
SHA1bd5ee569f23887f7a8f9e98d35c6433a83898911
SHA256933f5a2f2d32ee297f684aba2fe82ed00727c84cda16642bdfff0ca1e7ed1221
SHA5120d6caa7dc495f2c4d9b7f10ac54319ca8306eeae65515665f7d8f02bce52ef43c540ba0beaa5cbbba7a35c5f33807c5fa1f7006d86db80f509c600394f98f589
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Filesize
234KB
MD56ed58f353c2b820a48a3d096e0a59c20
SHA1bd5ee569f23887f7a8f9e98d35c6433a83898911
SHA256933f5a2f2d32ee297f684aba2fe82ed00727c84cda16642bdfff0ca1e7ed1221
SHA5120d6caa7dc495f2c4d9b7f10ac54319ca8306eeae65515665f7d8f02bce52ef43c540ba0beaa5cbbba7a35c5f33807c5fa1f7006d86db80f509c600394f98f589