Analysis
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max time kernel
146s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
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submitted
26-03-2023 01:47
General
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Target
84298e0b46665ad3825b9344fbda6ac8d75a6e9ccc44eab5b40a70555e4718f4.exe
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Size
86KB
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MD5
ad9e6ee16b3abd3f757c8b5357de6042
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SHA1
f324263dc0b46991bb0ed664577910c4f4de8009
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SHA256
84298e0b46665ad3825b9344fbda6ac8d75a6e9ccc44eab5b40a70555e4718f4
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SHA512
428453f17a3c7829e8d6719fb605439ac26368be25113c179af2fa03e2b064e523eae1043998d54dd5ce07626012c43ffede666dec431013183eef990e0d8235
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SSDEEP
1536:zW27RutYPWEBQlIGOO1g4W6j6hMbv4UFZLrkjj1RZ:5g1g49jcMbvLFxrkjF
Malware Config
Signatures
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BlackNET
BlackNET is an open source remote access tool written in VB.NET.
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Contains code to disable Windows Defender 4 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
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Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 1 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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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 46 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of SetWindowsHookEx 4 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\84298e0b46665ad3825b9344fbda6ac8d75a6e9ccc44eab5b40a70555e4718f4.exe"C:\Users\Admin\AppData\Local\Temp\84298e0b46665ad3825b9344fbda6ac8d75a6e9ccc44eab5b40a70555e4718f4.exe"1⤵
- Modifies Windows Defender Real-time Protection settings
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" Get-MpPreference -verbose2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdate.exe"C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdate.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
86KB
MD5ad9e6ee16b3abd3f757c8b5357de6042
SHA1f324263dc0b46991bb0ed664577910c4f4de8009
SHA25684298e0b46665ad3825b9344fbda6ac8d75a6e9ccc44eab5b40a70555e4718f4
SHA512428453f17a3c7829e8d6719fb605439ac26368be25113c179af2fa03e2b064e523eae1043998d54dd5ce07626012c43ffede666dec431013183eef990e0d8235
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Filesize
86KB
MD5ad9e6ee16b3abd3f757c8b5357de6042
SHA1f324263dc0b46991bb0ed664577910c4f4de8009
SHA25684298e0b46665ad3825b9344fbda6ac8d75a6e9ccc44eab5b40a70555e4718f4
SHA512428453f17a3c7829e8d6719fb605439ac26368be25113c179af2fa03e2b064e523eae1043998d54dd5ce07626012c43ffede666dec431013183eef990e0d8235
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Filesize
86KB
MD5ad9e6ee16b3abd3f757c8b5357de6042
SHA1f324263dc0b46991bb0ed664577910c4f4de8009
SHA25684298e0b46665ad3825b9344fbda6ac8d75a6e9ccc44eab5b40a70555e4718f4
SHA512428453f17a3c7829e8d6719fb605439ac26368be25113c179af2fa03e2b064e523eae1043998d54dd5ce07626012c43ffede666dec431013183eef990e0d8235
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
7.3MB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
-
Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
392KB
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Filesize
64KB
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Filesize
64KB
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Filesize
104KB
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Filesize
64KB
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Filesize
64KB
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Filesize
7.3MB
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Filesize
7.3MB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
304KB
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Filesize
32KB
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Filesize
624KB
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Filesize
4.8MB
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Filesize
664KB
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Filesize
136KB