Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
06-11-2024 08:31
Static task
static1
Behavioral task
behavioral1
Sample
Payment Advice-RefA22D4YdWsbE5.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Payment Advice-RefA22D4YdWsbE5.xls
Resource
win10v2004-20241007-en
General
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Target
Payment Advice-RefA22D4YdWsbE5.xls
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Size
645KB
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MD5
a9a9c2318ac29160ece850c60e6b7aa6
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SHA1
67701eb4f6813927c5262edf55d9943146f521a2
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SHA256
b0cd17647fc69ec21565ca141e88795eaf36084fb4d179198e988ab449d46483
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SHA512
c5db07d40516e468835e827fbf9643a442c4ebbd0c2941c97f4d00010fbe66b032be8a1fcdf568515f727810a7d7f0bf0c2707ac40a20c55616fb72c85166c1c
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SSDEEP
12288:UbWNHd0zBRlrOiVNYNPPg1O+R8G7kN/eTXjWxMyPg+8FlX0iv6p:8sd4rrV6NP41ttkN2TQXbEb
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 1852 3216 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 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
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 3216 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3216 EXCEL.EXE 3216 EXCEL.EXE 3216 EXCEL.EXE 3216 EXCEL.EXE 3216 EXCEL.EXE 3216 EXCEL.EXE 3216 EXCEL.EXE 3216 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3216 wrote to memory of 1852 3216 EXCEL.EXE 90 PID 3216 wrote to memory of 1852 3216 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.
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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\Payment Advice-RefA22D4YdWsbE5.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3216 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:1852
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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
Filesize1KB
MD58595703ad1863598ee478e92d712bcac
SHA1a7c15d5d3d8b825c449f852ee736260113cbbcda
SHA256f4a671f5edcb3506c444d742a1c44b9c4ae8ac37467d6d0b84e87a40bb3f3fd7
SHA51275dfb8c80073976c0d46c311b24f5771d4a19c5f4aada69849c535224bbca52329f8e395c9bb661f9ff42a9434a28a411a691b48349975822569d7b6dcb29040