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Analysis
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max time kernel
353s -
max time network
313s -
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, 10:20
Static task
static1
Behavioral task
behavioral1
Sample
9f2507a35bc333af0c329ffc75dbb63fe4406ecd33058bf761f2b35f3657e113.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
9f2507a35bc333af0c329ffc75dbb63fe4406ecd33058bf761f2b35f3657e113.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
9f2507a35bc333af0c329ffc75dbb63fe4406ecd33058bf761f2b35f3657e113.exe
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Size
200KB
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MD5
41ac0dc2820fd7f7ac9b4abbdd4ae2c6
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SHA1
2686875dcccaa118b566612fd9e581350ddbf5a9
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SHA256
9f2507a35bc333af0c329ffc75dbb63fe4406ecd33058bf761f2b35f3657e113
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SHA512
e678614489f66a1535055e1e71ab2f25857a18407d1f7ad8841852068af98698576e3f2fcb33007b624b5e29c97baf4b75e8227ff315a406900ca990ba1358b9
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SSDEEP
6144:W8u5j7Knvmb7/D26rfo9Am26fBXMZ8R3FXjrCTYTQdq4qJUGQBSpYCbw6I:ju5j7Knvmb7/D26zZ8R3FXjrC8T8q4q+
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-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 9f2507a35bc333af0c329ffc75dbb63fe4406ecd33058bf761f2b35f3657e113.exe Set value (int) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" cuaap.exe -
Executes dropped EXE 1 IoCs
pid Process 4736 cuaap.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-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation 9f2507a35bc333af0c329ffc75dbb63fe4406ecd33058bf761f2b35f3657e113.exe -
Adds Run key to start application 2 TTPs 36 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /R" 9f2507a35bc333af0c329ffc75dbb63fe4406ecd33058bf761f2b35f3657e113.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /U" cuaap.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /E" cuaap.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /b" cuaap.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /F" cuaap.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /r" cuaap.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /A" cuaap.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /w" cuaap.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /p" cuaap.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /N" cuaap.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /d" cuaap.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /L" cuaap.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /z" cuaap.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /x" cuaap.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /O" cuaap.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /u" cuaap.exe Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows\CurrentVersion\Run\ cuaap.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /a" cuaap.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /y" cuaap.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /R" cuaap.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /g" cuaap.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /X" cuaap.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /t" cuaap.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /c" cuaap.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /P" cuaap.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /f" cuaap.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /C" cuaap.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /Q" cuaap.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /j" cuaap.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /V" cuaap.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /I" cuaap.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /H" cuaap.exe Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 9f2507a35bc333af0c329ffc75dbb63fe4406ecd33058bf761f2b35f3657e113.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /Y" cuaap.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /h" cuaap.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuaap = "C:\\Users\\Admin\\cuaap.exe /T" cuaap.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 1264 9f2507a35bc333af0c329ffc75dbb63fe4406ecd33058bf761f2b35f3657e113.exe 1264 9f2507a35bc333af0c329ffc75dbb63fe4406ecd33058bf761f2b35f3657e113.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe 4736 cuaap.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1264 9f2507a35bc333af0c329ffc75dbb63fe4406ecd33058bf761f2b35f3657e113.exe 4736 cuaap.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1264 wrote to memory of 4736 1264 9f2507a35bc333af0c329ffc75dbb63fe4406ecd33058bf761f2b35f3657e113.exe 84 PID 1264 wrote to memory of 4736 1264 9f2507a35bc333af0c329ffc75dbb63fe4406ecd33058bf761f2b35f3657e113.exe 84 PID 1264 wrote to memory of 4736 1264 9f2507a35bc333af0c329ffc75dbb63fe4406ecd33058bf761f2b35f3657e113.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\9f2507a35bc333af0c329ffc75dbb63fe4406ecd33058bf761f2b35f3657e113.exe"C:\Users\Admin\AppData\Local\Temp\9f2507a35bc333af0c329ffc75dbb63fe4406ecd33058bf761f2b35f3657e113.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:1264 -
C:\Users\Admin\cuaap.exe"C:\Users\Admin\cuaap.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:4736
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
200KB
MD52e6a36486cdfc266ec2fe0d976063117
SHA1fb916aac6495b6e18ac065766c6674af53787a53
SHA2560b32c3cbd4632f2ae76f93bbf4ec9db03f0283a42af6fed5d56be7d1c26d49b2
SHA512123d881d9b0ae47ec24cebd9826eb8b2fe51741a51e796f96f16464781b0e4607acb9f66b6128ea8a6f7d3617cee9a656085227df31624b37695a5ecfcf82fb2
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Filesize
200KB
MD52e6a36486cdfc266ec2fe0d976063117
SHA1fb916aac6495b6e18ac065766c6674af53787a53
SHA2560b32c3cbd4632f2ae76f93bbf4ec9db03f0283a42af6fed5d56be7d1c26d49b2
SHA512123d881d9b0ae47ec24cebd9826eb8b2fe51741a51e796f96f16464781b0e4607acb9f66b6128ea8a6f7d3617cee9a656085227df31624b37695a5ecfcf82fb2