Analysis
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max time kernel
143s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
25-09-2024 06:26
Static task
static1
Behavioral task
behavioral1
Sample
RFQ-948563836483638563735435376354.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
RFQ-948563836483638563735435376354.xls
Resource
win10v2004-20240802-en
General
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Target
RFQ-948563836483638563735435376354.xls
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Size
706KB
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MD5
4a41468b2a645e97f084f9b3b2d11d5d
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SHA1
2a5548c0b61fc6a3e2f572c580731e02824d966c
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SHA256
5f6994bb56a6b6962eea0bb1c80dbabdb29cddf2ff323551ad7f307a7fbe8936
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SHA512
c6bb1c5be60acf8f0b28a76b7a3814dfd169b7f36501437f9e1c6151a18d4acaca6adaca1c537198c4fec1cbd4e0f1760b2eba840699d0054c20a3ae00931460
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SSDEEP
12288:z+UOAsHFnd7HeT/o8gg8Rsfe8B+j6BeuMOTT3n7j8p3tdrBpG2uCBbuwiLz:zepsAbg8RINMq33EtnpZowiL
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 3216 2216 mshta.exe 81 -
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 2216 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2216 wrote to memory of 3216 2216 EXCEL.EXE 86 PID 2216 wrote to memory of 3216 2216 EXCEL.EXE 86 -
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\RFQ-948563836483638563735435376354.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2216 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:3216
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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
MD5ec1b4edb68eae152c9a7bdcda4004233
SHA1dede3344a70209b957b0cd0f125fba68190bcd6f
SHA256f17340e9278a1d4591bb038973b81d7782c050fa351a40b6e4d51e3507342776
SHA512c002a4cb091f9c717573c4b58ac39be61b82776939943f3d8911a41a4769011e774952e0e38d31c8fed3473c60c04f785abf2a2940c32a814240cf1c15b1583f