Analysis
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max time kernel
142s -
max time network
138s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
08-11-2020 17:46
Static task
static1
Behavioral task
behavioral1
Sample
9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe
Resource
win7v20201028
General
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Target
9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe
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Size
252KB
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MD5
fef2b1e52220b33ec700d73f59405632
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SHA1
56bde46cd9d9998fdbf5a1c95036d3a84cf46d17
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SHA256
9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415
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SHA512
32f1f8e64d64ea931d06d91c426bc79bc503a5811e6786c923f7e9c290e94203b4924ec09fa7b4ad074936afafcc25394042b258bd4ee9eb5ec13aaa172f6d04
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe" 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe -
Disables RegEdit via registry modification
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Disables Task Manager via registry modification
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Executes dropped EXE 1 IoCs
Processes:
msdcsc.exepid process 2676 msdcsc.exe -
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe upx C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe upx -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Control Panel\International\Geo\Nation 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe -
Deletes itself 1 IoCs
Processes:
notepad.exepid process 3180 notepad.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exemsdcsc.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe" 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe Set value (str) \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe" msdcsc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 1 IoCs
Processes:
9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exemsdcsc.exedescription pid process Token: SeIncreaseQuotaPrivilege 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe Token: SeSecurityPrivilege 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe Token: SeTakeOwnershipPrivilege 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe Token: SeLoadDriverPrivilege 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe Token: SeSystemProfilePrivilege 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe Token: SeSystemtimePrivilege 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe Token: SeProfSingleProcessPrivilege 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe Token: SeIncBasePriorityPrivilege 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe Token: SeCreatePagefilePrivilege 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe Token: SeBackupPrivilege 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe Token: SeRestorePrivilege 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe Token: SeShutdownPrivilege 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe Token: SeDebugPrivilege 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe Token: SeSystemEnvironmentPrivilege 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe Token: SeChangeNotifyPrivilege 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe Token: SeRemoteShutdownPrivilege 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe Token: SeUndockPrivilege 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe Token: SeManageVolumePrivilege 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe Token: SeImpersonatePrivilege 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe Token: SeCreateGlobalPrivilege 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe Token: 33 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe Token: 34 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe Token: 35 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe Token: 36 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe Token: SeIncreaseQuotaPrivilege 2676 msdcsc.exe Token: SeSecurityPrivilege 2676 msdcsc.exe Token: SeTakeOwnershipPrivilege 2676 msdcsc.exe Token: SeLoadDriverPrivilege 2676 msdcsc.exe Token: SeSystemProfilePrivilege 2676 msdcsc.exe Token: SeSystemtimePrivilege 2676 msdcsc.exe Token: SeProfSingleProcessPrivilege 2676 msdcsc.exe Token: SeIncBasePriorityPrivilege 2676 msdcsc.exe Token: SeCreatePagefilePrivilege 2676 msdcsc.exe Token: SeBackupPrivilege 2676 msdcsc.exe Token: SeRestorePrivilege 2676 msdcsc.exe Token: SeShutdownPrivilege 2676 msdcsc.exe Token: SeDebugPrivilege 2676 msdcsc.exe Token: SeSystemEnvironmentPrivilege 2676 msdcsc.exe Token: SeChangeNotifyPrivilege 2676 msdcsc.exe Token: SeRemoteShutdownPrivilege 2676 msdcsc.exe Token: SeUndockPrivilege 2676 msdcsc.exe Token: SeManageVolumePrivilege 2676 msdcsc.exe Token: SeImpersonatePrivilege 2676 msdcsc.exe Token: SeCreateGlobalPrivilege 2676 msdcsc.exe Token: 33 2676 msdcsc.exe Token: 34 2676 msdcsc.exe Token: 35 2676 msdcsc.exe Token: 36 2676 msdcsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
msdcsc.exepid process 2676 msdcsc.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exedescription pid process target process PID 984 wrote to memory of 3180 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe notepad.exe PID 984 wrote to memory of 3180 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe notepad.exe PID 984 wrote to memory of 3180 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe notepad.exe PID 984 wrote to memory of 3180 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe notepad.exe PID 984 wrote to memory of 3180 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe notepad.exe PID 984 wrote to memory of 3180 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe notepad.exe PID 984 wrote to memory of 3180 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe notepad.exe PID 984 wrote to memory of 3180 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe notepad.exe PID 984 wrote to memory of 3180 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe notepad.exe PID 984 wrote to memory of 3180 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe notepad.exe PID 984 wrote to memory of 3180 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe notepad.exe PID 984 wrote to memory of 3180 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe notepad.exe PID 984 wrote to memory of 3180 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe notepad.exe PID 984 wrote to memory of 3180 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe notepad.exe PID 984 wrote to memory of 3180 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe notepad.exe PID 984 wrote to memory of 3180 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe notepad.exe PID 984 wrote to memory of 3180 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe notepad.exe PID 984 wrote to memory of 2676 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe msdcsc.exe PID 984 wrote to memory of 2676 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe msdcsc.exe PID 984 wrote to memory of 2676 984 9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe msdcsc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe"C:\Users\Admin\AppData\Local\Temp\9b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\notepad.exenotepad2⤵
- Deletes itself
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C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe"C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exeMD5
fef2b1e52220b33ec700d73f59405632
SHA156bde46cd9d9998fdbf5a1c95036d3a84cf46d17
SHA2569b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415
SHA51232f1f8e64d64ea931d06d91c426bc79bc503a5811e6786c923f7e9c290e94203b4924ec09fa7b4ad074936afafcc25394042b258bd4ee9eb5ec13aaa172f6d04
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C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exeMD5
fef2b1e52220b33ec700d73f59405632
SHA156bde46cd9d9998fdbf5a1c95036d3a84cf46d17
SHA2569b72e407bfb2cab71a87f023aff2c3692893328852044037333a597f71592415
SHA51232f1f8e64d64ea931d06d91c426bc79bc503a5811e6786c923f7e9c290e94203b4924ec09fa7b4ad074936afafcc25394042b258bd4ee9eb5ec13aaa172f6d04
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memory/2676-3-0x0000000000000000-mapping.dmp
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memory/3180-0-0x0000000000000000-mapping.dmp
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memory/3180-1-0x00000000005F0000-0x00000000005F1000-memory.dmpFilesize
4KB
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memory/3180-2-0x0000000000000000-mapping.dmp