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
20/11/2024, 04:48
Behavioral task
behavioral1
Sample
db7a4dcd91eb9f5d98009150a4004be2ed04420fce790c7c5b9af2efe2a38dbf.xlsm
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
db7a4dcd91eb9f5d98009150a4004be2ed04420fce790c7c5b9af2efe2a38dbf.xlsm
Resource
win10v2004-20241007-en
General
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Target
db7a4dcd91eb9f5d98009150a4004be2ed04420fce790c7c5b9af2efe2a38dbf.xlsm
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Size
46KB
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MD5
e5e0399080a75240ea276059adedbdf3
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SHA1
255af01fa333a994f68ca07e838968104c2a744e
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SHA256
db7a4dcd91eb9f5d98009150a4004be2ed04420fce790c7c5b9af2efe2a38dbf
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SHA512
9650a5fe6b297199b378162b0b373676a1d87ff3df1c72fc045fc620f61818dd606af5dbe72b502886bc971a4a973fca5ec6ecf9886e8f075ab569a507f9d8d4
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SSDEEP
768:AwLvfWDOevZCwrvtrDPzdDTKufT9nz0LTyY1NiMZFYpvrLeci3cr+Uh0VfskoM:xWDzftT5fTR4Lh1NisFYBc3cr+UqVfD9
Malware Config
Extracted
http://congresoapp2021.com/u07di/wkdehSgS/
http://forocavialpa.com/wp-admin/bnFI6WhjZkffrb/
http://s1.techopesolutions.com/semicanal/g7jRfFqphhUQ5oh/
http://tournhatrang.asia/cgi-bin/2gnqrN/
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 540 2300 regsvr32.exe 82 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe -
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2300 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2300 EXCEL.EXE 2300 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 2300 EXCEL.EXE 2300 EXCEL.EXE 2300 EXCEL.EXE 2300 EXCEL.EXE 2300 EXCEL.EXE 2300 EXCEL.EXE 2300 EXCEL.EXE 2300 EXCEL.EXE 2300 EXCEL.EXE 2300 EXCEL.EXE 2300 EXCEL.EXE 2300 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2300 wrote to memory of 540 2300 EXCEL.EXE 86 PID 2300 wrote to memory of 540 2300 EXCEL.EXE 86 PID 2300 wrote to memory of 540 2300 EXCEL.EXE 86
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\db7a4dcd91eb9f5d98009150a4004be2ed04420fce790c7c5b9af2efe2a38dbf.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2300 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe /s ..\cre.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:540
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5880b6ff180456fe0d7e9b9cc8532a52c
SHA159c5e86b4dd1788d0ad1299bc7bdda908bc2c023
SHA2563a02afea339b6bc37fd3ec70a7bfce03a6576b61049c03a5daedbc5f23a47764
SHA5126dfbc2762d0d8e31ee49116fe242d398529b8dee4e22c68a0c27632213f99854cf16361e034adc51d14d0666f078fd41ec856dd22a7dbe5551d2aec8aa4074d9