Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10_x64 -
resource
win10-20220223-en -
submitted
29-03-2022 21:05
Behavioral task
behavioral1
Sample
62aa0bc0617f8f40908642b1e9b933ef99c9b9a46e7fd061ad689eff28a438fa.xls
Resource
win10-20220223-en
Behavioral task
behavioral2
Sample
62aa0bc0617f8f40908642b1e9b933ef99c9b9a46e7fd061ad689eff28a438fa.xls
Resource
win10-20220223-en
General
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Target
62aa0bc0617f8f40908642b1e9b933ef99c9b9a46e7fd061ad689eff28a438fa.xls
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Size
106KB
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MD5
db64d5b887a8228c75b3b7bdadc0245e
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SHA1
38f8f6163b8620f23e380faed62f8fe39521da13
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SHA256
62aa0bc0617f8f40908642b1e9b933ef99c9b9a46e7fd061ad689eff28a438fa
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SHA512
5ae443ee355b785e19dd5cd8695d9523e02080fdb36b8a465e56a8e667f081fd44a888d579597ea573e4d8dedd747df3d1943e2f150f01e81939bba0ba3117a8
Malware Config
Extracted
http://dougveeder.com/cgi-bin/xJ91ZttGRioQ7IUL/
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 1708 3508 regsvr32.exe 41 -
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 3508 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3508 EXCEL.EXE 3508 EXCEL.EXE 3508 EXCEL.EXE 3508 EXCEL.EXE 3508 EXCEL.EXE 3508 EXCEL.EXE 3508 EXCEL.EXE 3508 EXCEL.EXE 3508 EXCEL.EXE 3508 EXCEL.EXE 3508 EXCEL.EXE 3508 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3508 wrote to memory of 1708 3508 EXCEL.EXE 43 PID 3508 wrote to memory of 1708 3508 EXCEL.EXE 43 PID 3508 wrote to memory of 1708 3508 EXCEL.EXE 43
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\62aa0bc0617f8f40908642b1e9b933ef99c9b9a46e7fd061ad689eff28a438fa.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3508 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\hdrh.dll2⤵
- Process spawned unexpected child process
PID:1708
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
75KB
MD56a107ab34afce193dbab2e31c1fb240f
SHA154611ca004d1d6718042e00dcc7091000ab51c55
SHA25637a7c728562612eb174db2141710f432e4ccf28cb7e7a5fbbfc1723ea8ac7229
SHA51222c305773ea5ed4e0a2ffade2cfa6886c9f0074df753d63f4e55dbead1d26e86744be4f7b8c4839ecc9b201009be5019d7b252241c7971db38efdc9e77cc6161