Analysis
-
max time kernel
144s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
21/08/2024, 09:49
Static task
static1
Behavioral task
behavioral1
Sample
1d7c97138b80caa4a9721ce7575926397613df390e74a0642399918575044a72.xls
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
1d7c97138b80caa4a9721ce7575926397613df390e74a0642399918575044a72.xls
Resource
win10v2004-20240802-en
General
-
Target
1d7c97138b80caa4a9721ce7575926397613df390e74a0642399918575044a72.xls
-
Size
166KB
-
MD5
9ff5d2917f2746bbb0d57e8b0e4ed3b3
-
SHA1
27489eb0a1052224bf3424f5c44389f34aa59d27
-
SHA256
1d7c97138b80caa4a9721ce7575926397613df390e74a0642399918575044a72
-
SHA512
183d922c39a61c8f5811afbd1c1a7f7d0b1ed91ecace04ccca761df117a6d19948c64ed2b0580cfb06f7b5a4e50450adde409e1be9c645a454cb0c8ba3d9614e
-
SSDEEP
3072:7rYpmZjeXnNUKOORV+OTCpMC9+Ts/y6gM03cmTwOCW:vY0cnNdkOudKjMXG
Malware Config
Signatures
-
Process spawned unexpected child process 1 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 2196 4380 mshta.exe 83 -
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 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
pid Process 4380 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4380 EXCEL.EXE 4380 EXCEL.EXE 4380 EXCEL.EXE 4380 EXCEL.EXE 4380 EXCEL.EXE 4380 EXCEL.EXE 4380 EXCEL.EXE 4380 EXCEL.EXE 4380 EXCEL.EXE 4380 EXCEL.EXE 4380 EXCEL.EXE 4380 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4380 wrote to memory of 2196 4380 EXCEL.EXE 90 PID 4380 wrote to memory of 2196 4380 EXCEL.EXE 90 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
-
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
-
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
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\1d7c97138b80caa4a9721ce7575926397613df390e74a0642399918575044a72.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4380 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:2196
-