Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
29-02-2024 10:15
Behavioral task
behavioral1
Sample
ae44481e40a79ab9e42345967853a91f.xlsb
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
ae44481e40a79ab9e42345967853a91f.xlsb
Resource
win10v2004-20240226-en
General
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Target
ae44481e40a79ab9e42345967853a91f.xlsb
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Size
371KB
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MD5
ae44481e40a79ab9e42345967853a91f
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SHA1
75ba1eae505a453424464f8483d40b4f4935f61c
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SHA256
7c3736d3a14fe8777d1fee62ddfdd65ace4b726c4bd0f93e885d6d8b623f1110
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SHA512
ce5a14b8ecfcf35556720964f32e876dc51bed99886a8538396b2410b217d89951b3c2369320988a2953c0b137b21aeb658c9c4ae502793f4b71ffa2c26e971b
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SSDEEP
6144:oF6nB9I6fidRM2LohOGYw6CC5jTT453mjEIbWiGVAKSLFN+YInSCRvuPsxNP:06nB9TfUzL2OGY/TTy2jEIJc6FNu3uPq
Malware Config
Signatures
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Process spawned unexpected child process 2 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
wmic.exemshta.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4468 2692 wmic.exe EXCEL.EXE Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4028 4724 mshta.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 2692 EXCEL.EXE -
Suspicious use of AdjustPrivilegeToken 42 IoCs
Processes:
wmic.exedescription pid process Token: SeIncreaseQuotaPrivilege 4468 wmic.exe Token: SeSecurityPrivilege 4468 wmic.exe Token: SeTakeOwnershipPrivilege 4468 wmic.exe Token: SeLoadDriverPrivilege 4468 wmic.exe Token: SeSystemProfilePrivilege 4468 wmic.exe Token: SeSystemtimePrivilege 4468 wmic.exe Token: SeProfSingleProcessPrivilege 4468 wmic.exe Token: SeIncBasePriorityPrivilege 4468 wmic.exe Token: SeCreatePagefilePrivilege 4468 wmic.exe Token: SeBackupPrivilege 4468 wmic.exe Token: SeRestorePrivilege 4468 wmic.exe Token: SeShutdownPrivilege 4468 wmic.exe Token: SeDebugPrivilege 4468 wmic.exe Token: SeSystemEnvironmentPrivilege 4468 wmic.exe Token: SeRemoteShutdownPrivilege 4468 wmic.exe Token: SeUndockPrivilege 4468 wmic.exe Token: SeManageVolumePrivilege 4468 wmic.exe Token: 33 4468 wmic.exe Token: 34 4468 wmic.exe Token: 35 4468 wmic.exe Token: 36 4468 wmic.exe Token: SeIncreaseQuotaPrivilege 4468 wmic.exe Token: SeSecurityPrivilege 4468 wmic.exe Token: SeTakeOwnershipPrivilege 4468 wmic.exe Token: SeLoadDriverPrivilege 4468 wmic.exe Token: SeSystemProfilePrivilege 4468 wmic.exe Token: SeSystemtimePrivilege 4468 wmic.exe Token: SeProfSingleProcessPrivilege 4468 wmic.exe Token: SeIncBasePriorityPrivilege 4468 wmic.exe Token: SeCreatePagefilePrivilege 4468 wmic.exe Token: SeBackupPrivilege 4468 wmic.exe Token: SeRestorePrivilege 4468 wmic.exe Token: SeShutdownPrivilege 4468 wmic.exe Token: SeDebugPrivilege 4468 wmic.exe Token: SeSystemEnvironmentPrivilege 4468 wmic.exe Token: SeRemoteShutdownPrivilege 4468 wmic.exe Token: SeUndockPrivilege 4468 wmic.exe Token: SeManageVolumePrivilege 4468 wmic.exe Token: 33 4468 wmic.exe Token: 34 4468 wmic.exe Token: 35 4468 wmic.exe Token: 36 4468 wmic.exe -
Suspicious use of SetWindowsHookEx 14 IoCs
Processes:
EXCEL.EXEpid process 2692 EXCEL.EXE 2692 EXCEL.EXE 2692 EXCEL.EXE 2692 EXCEL.EXE 2692 EXCEL.EXE 2692 EXCEL.EXE 2692 EXCEL.EXE 2692 EXCEL.EXE 2692 EXCEL.EXE 2692 EXCEL.EXE 2692 EXCEL.EXE 2692 EXCEL.EXE 2692 EXCEL.EXE 2692 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 2692 wrote to memory of 4468 2692 EXCEL.EXE wmic.exe PID 2692 wrote to memory of 4468 2692 EXCEL.EXE wmic.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\ae44481e40a79ab9e42345967853a91f.xlsb"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2692 -
C:\Windows\System32\Wbem\wmic.exewmic process call create 'mshta C:\ProgramData\EYUPuGD.sct'2⤵
- Process spawned unexpected child process
- Suspicious use of AdjustPrivilegeToken
PID:4468
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C:\Windows\system32\mshta.exemshta C:\ProgramData\EYUPuGD.sct1⤵
- Process spawned unexpected child process
PID:4028
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
14KB
MD55378dec3c38dcba8471e5a4ecc07ff81
SHA1faa36a49f3f65c58c6e4fedaf888595e23eaee1b
SHA256b8b05a2393c287be823eb6f407a2c03ac0f7c20cab2abf646f2b935b124d05c8
SHA5126de349ba9da58fb7d8ba7bdb19682f45f704b253407319c353f94a64c3b8fec8f61cb23fb4d0ea2ce44a4ba128e6356be7a86b012616d7aeee1e5bcbe8e3c241