Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
27-08-2024 15:12
Static task
static1
Behavioral task
behavioral1
Sample
Inv 30532.xls
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
Inv 30532.xls
Resource
win10v2004-20240802-en
General
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Target
Inv 30532.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 2804 3996 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 3996 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3996 EXCEL.EXE 3996 EXCEL.EXE 3996 EXCEL.EXE 3996 EXCEL.EXE 3996 EXCEL.EXE 3996 EXCEL.EXE 3996 EXCEL.EXE 3996 EXCEL.EXE 3996 EXCEL.EXE 3996 EXCEL.EXE 3996 EXCEL.EXE 3996 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3996 wrote to memory of 2804 3996 EXCEL.EXE 90 PID 3996 wrote to memory of 2804 3996 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\Inv 30532.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3996 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:2804
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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
MD5a8d5880cd7cb813d3705c6efe749afb5
SHA10ea057864dc242bae5a729fa11d331e49b4659fd
SHA2562950a1e767706533fafc7687a00da016fd54f016335b03a1645a7a55e680ee31
SHA512b43954f90a08795dec04778f3363082951538215b4fb91fc775805cd2732508c6e9e64680a1980e96d6cbb45495360bb33af85153b9df3deccf556fefe8a8745