Analysis
- max time kernel
120s - max time network
124s - platform
windows10_x64 - resource
win10-en-20211104 - submitted
06/12/2021, 09:16
Static task
static1
Behavioral task
behavioral1
Sample
best offers_898602769311.xls
Resource
win7-en-20211104
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
best offers_898602769311.xls
Resource
win10-en-20211104
windows10_x64
0 signatures
0 seconds
General
- Target best offers_898602769311.xls
- Size 140KB
- Sample211206-k8ggcsdffm
- SHA256 30c938bcf64e0dae4efde1256a34bdf2b92cd50b8f01e63013cf128fdc9eb4eb
- MD5 20988d1d1e546b5ba58346e6f5aaa002
- SHA1 23173e1237888874c1aa4fa6e1e4798ff2b54b65
- SHA512 85773a75ba1ba1989cfeab2a1a5bb9724c150d7271a13ae264fcbd66c394bc23a0d7139a3895b737a6b7d81fd0a023ce176a9e750a1980728b9c8c763071f819
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Process spawned unexpected child process 2 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4564 3636 wmic.exe 67 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 5056 2796 mshta.exe 75 - Blocklisted process makes network request 1 IoCs
flow pid Process 37 5056 mshta.exe - Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description 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
description 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
pid Process 3636 EXCEL.EXE - Suspicious use of AdjustPrivilegeToken 42 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4564 wmic.exe Token: SeSecurityPrivilege 4564 wmic.exe Token: SeTakeOwnershipPrivilege 4564 wmic.exe Token: SeLoadDriverPrivilege 4564 wmic.exe Token: SeSystemProfilePrivilege 4564 wmic.exe Token: SeSystemtimePrivilege 4564 wmic.exe Token: SeProfSingleProcessPrivilege 4564 wmic.exe Token: SeIncBasePriorityPrivilege 4564 wmic.exe Token: SeCreatePagefilePrivilege 4564 wmic.exe Token: SeBackupPrivilege 4564 wmic.exe Token: SeRestorePrivilege 4564 wmic.exe Token: SeShutdownPrivilege 4564 wmic.exe Token: SeDebugPrivilege 4564 wmic.exe Token: SeSystemEnvironmentPrivilege 4564 wmic.exe Token: SeRemoteShutdownPrivilege 4564 wmic.exe Token: SeUndockPrivilege 4564 wmic.exe Token: SeManageVolumePrivilege 4564 wmic.exe Token: 33 4564 wmic.exe Token: 34 4564 wmic.exe Token: 35 4564 wmic.exe Token: 36 4564 wmic.exe Token: SeIncreaseQuotaPrivilege 4564 wmic.exe Token: SeSecurityPrivilege 4564 wmic.exe Token: SeTakeOwnershipPrivilege 4564 wmic.exe Token: SeLoadDriverPrivilege 4564 wmic.exe Token: SeSystemProfilePrivilege 4564 wmic.exe Token: SeSystemtimePrivilege 4564 wmic.exe Token: SeProfSingleProcessPrivilege 4564 wmic.exe Token: SeIncBasePriorityPrivilege 4564 wmic.exe Token: SeCreatePagefilePrivilege 4564 wmic.exe Token: SeBackupPrivilege 4564 wmic.exe Token: SeRestorePrivilege 4564 wmic.exe Token: SeShutdownPrivilege 4564 wmic.exe Token: SeDebugPrivilege 4564 wmic.exe Token: SeSystemEnvironmentPrivilege 4564 wmic.exe Token: SeRemoteShutdownPrivilege 4564 wmic.exe Token: SeUndockPrivilege 4564 wmic.exe Token: SeManageVolumePrivilege 4564 wmic.exe Token: 33 4564 wmic.exe Token: 34 4564 wmic.exe Token: 35 4564 wmic.exe Token: 36 4564 wmic.exe - Suspicious use of SetWindowsHookEx 16 IoCs
pid Process 3636 EXCEL.EXE 3636 EXCEL.EXE 3636 EXCEL.EXE 3636 EXCEL.EXE 3636 EXCEL.EXE 3636 EXCEL.EXE 3636 EXCEL.EXE 3636 EXCEL.EXE 3636 EXCEL.EXE 3636 EXCEL.EXE 3636 EXCEL.EXE 3636 EXCEL.EXE 3636 EXCEL.EXE 3636 EXCEL.EXE 3636 EXCEL.EXE 3636 EXCEL.EXE - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3636 wrote to memory of 4564 3636 EXCEL.EXE 73 PID 3636 wrote to memory of 4564 3636 EXCEL.EXE 73
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\best offers_898602769311.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3636 -
C:\Windows\System32\Wbem\wmic.exewmic process call create "mshta C:\ProgramData\tCQrIzwxlW.rtf"2⤵
- Process spawned unexpected child process
- Suspicious use of AdjustPrivilegeToken
PID:4564
-
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C:\Windows\system32\mshta.exemshta C:\ProgramData\tCQrIzwxlW.rtf1⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
PID:5056