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Analysis
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max time kernel
144s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
29/08/2024, 10:59
Static task
static1
Behavioral task
behavioral1
Sample
PO-014842-2.xls
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
PO-014842-2.xls
Resource
win10v2004-20240802-en
General
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Target
PO-014842-2.xls
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Size
555KB
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MD5
0eca5068b23513d7d20d9f05b5a33cde
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SHA1
b11da160460403bacb257d4832ca617fcf8c9840
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SHA256
b171b5e7c7abd247edcc25f1c00301e89f1e9715ed6d98f03f4b6a6674c5834b
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SHA512
2b16f2c208573a9361b646e34b6ac627fb3d9b80fb0ff7a09cf3d0e5bfeefb2d09ad482e428a5effe80a3da1267df4c07f08728f589ea6b01324ef6adb102d16
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SSDEEP
12288:++M2PYL9XdP7MqOZzCSbxuKuw+9WompCHYCFxi7Ehh7wYf:+cPYLpdwZdMK3ewCHTqo0Y
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.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4736 1408 mshta.exe 90 -
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 1408 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1408 EXCEL.EXE 1408 EXCEL.EXE 1408 EXCEL.EXE 1408 EXCEL.EXE 1408 EXCEL.EXE 1408 EXCEL.EXE 1408 EXCEL.EXE 1408 EXCEL.EXE 1408 EXCEL.EXE 1408 EXCEL.EXE 1408 EXCEL.EXE 1408 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1408 wrote to memory of 4736 1408 EXCEL.EXE 95 PID 1408 wrote to memory of 4736 1408 EXCEL.EXE 95 -
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.
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Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
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\PO-014842-2.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1408 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:4736
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4336,i,8293235976513689021,7261015831736501466,262144 --variations-seed-version --mojo-platform-channel-handle=3792 /prefetch:81⤵PID:4744
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize2KB
MD55bdcc76a93dd695f2e24fd442134a395
SHA1fcae6e8d16accd2a540699cbd1293dcd8c48ef25
SHA256b8a910938f0920c50c3acca17f99288ae0c95c010e75f42c6d2eb7db82a46033
SHA512b5b2f9e1b0522c410e7ec513531221ec68093b6f1738ffcffb7f2bb1e73a778d4b46249a3f6d530033a369b957a399655278cb75d5333c4247ae3367d797ffa2