Analysis
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max time kernel
144s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
28-08-2024 02:13
Static task
static1
Behavioral task
behavioral1
Sample
bbfa2653ffb918121ecb6457991267689d3802e2afcbba498f0e3ef0e6740a96.xls
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
bbfa2653ffb918121ecb6457991267689d3802e2afcbba498f0e3ef0e6740a96.xls
Resource
win10v2004-20240802-en
General
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Target
bbfa2653ffb918121ecb6457991267689d3802e2afcbba498f0e3ef0e6740a96.xls
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Size
547KB
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MD5
560b9bdb75835822ed9f84d46521fd38
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SHA1
e68f1783002016aabecfd74ef333b90be19262ac
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SHA256
bbfa2653ffb918121ecb6457991267689d3802e2afcbba498f0e3ef0e6740a96
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SHA512
55f533cc57c8379de0c5227ccef9e237ad512844dfde30d112b6b86932f9024cae30de0dcd57a12abf8819174e6319ccc2fb4493df773360021e3afd9c49dd83
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SSDEEP
12288:WI1GWVjZScJbyWKEVuqg2/6VnDIh7xOP1fJYWe/egIY4Fg3lh:WCrjZsWKElYnvtfw/ed
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 4892 1732 mshta.exe 86 -
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\~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
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 1732 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1732 EXCEL.EXE 1732 EXCEL.EXE 1732 EXCEL.EXE 1732 EXCEL.EXE 1732 EXCEL.EXE 1732 EXCEL.EXE 1732 EXCEL.EXE 1732 EXCEL.EXE 1732 EXCEL.EXE 1732 EXCEL.EXE 1732 EXCEL.EXE 1732 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1732 wrote to memory of 4892 1732 EXCEL.EXE 94 PID 1732 wrote to memory of 4892 1732 EXCEL.EXE 94 -
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\bbfa2653ffb918121ecb6457991267689d3802e2afcbba498f0e3ef0e6740a96.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1732 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:4892
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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
MD565b52fd156dae30059c7ff57fa292c8e
SHA1c6253f1693a8bf51e318591560ef18fdff57d635
SHA2561150ade8210f225e04ce5a38685a25d05c21944e3793ffd6207940beebbb0006
SHA512182a9cf0b31cb7471a158109b0e0e619b6ee3401dc9ab43d4e25d8d562be6501dce313426dbb19e085819f9cca4d2a613bdf8a94d59a702a5ce5586d33d39f68