Analysis
-
max time kernel
101s -
max time network
116s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
01-03-2024 01:59
Behavioral task
behavioral1
Sample
b0098664ec14d1368dcb7a06e9860f4e.xlsb
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b0098664ec14d1368dcb7a06e9860f4e.xlsb
Resource
win10v2004-20240226-en
General
-
Target
b0098664ec14d1368dcb7a06e9860f4e.xlsb
-
Size
113KB
-
MD5
b0098664ec14d1368dcb7a06e9860f4e
-
SHA1
d309fecb07e56d3affa03796e43d4c3b4b09055c
-
SHA256
f4ee286a74576b7ab63eaaf3524bd2c1743cb9ae29a2deebff2ab28ec8ee486d
-
SHA512
60b9907df14718d840fd1df91c5d97414d59998995bf74f1670122fc9b9db4b87430d9a74380b76e3bc54c1becf2b8c6eaefa1161b516cfc1a0e2bb490a0f9e4
-
SSDEEP
3072:oUW8tX8pJePmxD++bWSi63LD6z2qoaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa3E:oitX87ePm1+8K67Moaaaaaaaaaaaaaap
Malware Config
Signatures
-
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 5024 2216 wmic.exe EXCEL.EXE Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 5092 4568 mshta.exe -
Blocklisted process makes network request 2 IoCs
Processes:
mshta.exeflow pid process 23 5092 mshta.exe 25 5092 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\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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 2216 EXCEL.EXE -
Suspicious use of AdjustPrivilegeToken 42 IoCs
Processes:
wmic.exedescription pid process Token: SeIncreaseQuotaPrivilege 5024 wmic.exe Token: SeSecurityPrivilege 5024 wmic.exe Token: SeTakeOwnershipPrivilege 5024 wmic.exe Token: SeLoadDriverPrivilege 5024 wmic.exe Token: SeSystemProfilePrivilege 5024 wmic.exe Token: SeSystemtimePrivilege 5024 wmic.exe Token: SeProfSingleProcessPrivilege 5024 wmic.exe Token: SeIncBasePriorityPrivilege 5024 wmic.exe Token: SeCreatePagefilePrivilege 5024 wmic.exe Token: SeBackupPrivilege 5024 wmic.exe Token: SeRestorePrivilege 5024 wmic.exe Token: SeShutdownPrivilege 5024 wmic.exe Token: SeDebugPrivilege 5024 wmic.exe Token: SeSystemEnvironmentPrivilege 5024 wmic.exe Token: SeRemoteShutdownPrivilege 5024 wmic.exe Token: SeUndockPrivilege 5024 wmic.exe Token: SeManageVolumePrivilege 5024 wmic.exe Token: 33 5024 wmic.exe Token: 34 5024 wmic.exe Token: 35 5024 wmic.exe Token: 36 5024 wmic.exe Token: SeIncreaseQuotaPrivilege 5024 wmic.exe Token: SeSecurityPrivilege 5024 wmic.exe Token: SeTakeOwnershipPrivilege 5024 wmic.exe Token: SeLoadDriverPrivilege 5024 wmic.exe Token: SeSystemProfilePrivilege 5024 wmic.exe Token: SeSystemtimePrivilege 5024 wmic.exe Token: SeProfSingleProcessPrivilege 5024 wmic.exe Token: SeIncBasePriorityPrivilege 5024 wmic.exe Token: SeCreatePagefilePrivilege 5024 wmic.exe Token: SeBackupPrivilege 5024 wmic.exe Token: SeRestorePrivilege 5024 wmic.exe Token: SeShutdownPrivilege 5024 wmic.exe Token: SeDebugPrivilege 5024 wmic.exe Token: SeSystemEnvironmentPrivilege 5024 wmic.exe Token: SeRemoteShutdownPrivilege 5024 wmic.exe Token: SeUndockPrivilege 5024 wmic.exe Token: SeManageVolumePrivilege 5024 wmic.exe Token: 33 5024 wmic.exe Token: 34 5024 wmic.exe Token: 35 5024 wmic.exe Token: 36 5024 wmic.exe -
Suspicious use of SetWindowsHookEx 14 IoCs
Processes:
EXCEL.EXEpid process 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 2216 wrote to memory of 5024 2216 EXCEL.EXE wmic.exe PID 2216 wrote to memory of 5024 2216 EXCEL.EXE wmic.exe
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\b0098664ec14d1368dcb7a06e9860f4e.xlsb"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2216 -
C:\Windows\System32\Wbem\wmic.exewmic process call create 'mshta C:\ProgramData\jKYVUCAlHWPpFt.sct'2⤵
- Process spawned unexpected child process
- Suspicious use of AdjustPrivilegeToken
PID:5024
-
C:\Windows\system32\mshta.exemshta C:\ProgramData\jKYVUCAlHWPpFt.sct1⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
PID:5092
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
15KB
MD50d8024ef55556bc060e9e0005cb3e613
SHA120447da993a6a5a736023d83f596d983f2f59a27
SHA256957c95efa7cd52f508d93fe406a4b01f7882c5f197caa76344622462b47e8b93
SHA5125039aee6d3a4165ed323ec954365a1fa7fa67d21e582010d45e92a77135a523a6fd219cae49307038db0a8ed379f4c66219435d1ec9781b00f160d26cb0986e2