Analysis
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max time kernel
133s -
max time network
139s -
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, 02:38
Behavioral task
behavioral1
Sample
38146988dfbe9a3bb01e8cfb05a655a78f253e82b669dce4f614d1ee4ddff66e.xlsm
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
38146988dfbe9a3bb01e8cfb05a655a78f253e82b669dce4f614d1ee4ddff66e.xlsm
Resource
win10v2004-20241007-en
General
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Target
38146988dfbe9a3bb01e8cfb05a655a78f253e82b669dce4f614d1ee4ddff66e.xlsm
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Size
46KB
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MD5
1cc77da245baf5f04aab46997376d4a8
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SHA1
e2c11a46f06811a395d64df52259f06f142a1929
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SHA256
38146988dfbe9a3bb01e8cfb05a655a78f253e82b669dce4f614d1ee4ddff66e
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SHA512
a2740795415904be9071b013df3db9aa28b9cbd905dbaf600308368aad17d03c03bd6254bbfcf8c73ba4641d10c44310ca72938f170aa11d432f0bfe397884f8
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SSDEEP
768:cwLvfWDOevZCwrvtrDPzdDTKufT9nz0LTyY1NiMZFYpvrLeci3cr+Uh0VfskoM:1WDzftT5fTR4Lh1NisFYBc3cr+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 1368 3820 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\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3820 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3820 EXCEL.EXE 3820 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3820 EXCEL.EXE 3820 EXCEL.EXE 3820 EXCEL.EXE 3820 EXCEL.EXE 3820 EXCEL.EXE 3820 EXCEL.EXE 3820 EXCEL.EXE 3820 EXCEL.EXE 3820 EXCEL.EXE 3820 EXCEL.EXE 3820 EXCEL.EXE 3820 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3820 wrote to memory of 1368 3820 EXCEL.EXE 85 PID 3820 wrote to memory of 1368 3820 EXCEL.EXE 85 PID 3820 wrote to memory of 1368 3820 EXCEL.EXE 85
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\38146988dfbe9a3bb01e8cfb05a655a78f253e82b669dce4f614d1ee4ddff66e.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:3820 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe /s ..\cre.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:1368
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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
MD5cd5974e2835146e28d70317517f25db0
SHA178793d91c018f192da9b19b849a326fda0b94f50
SHA2568739c9ac3350c882f0e83ca51697d3f9f0267660662c630a76c31ed3e484f620
SHA512f2c72bec10d1853efd402faf565326b0b4b36be47b3fc98b29b9433e052973a376a0cde0d22f56ad4b6b74d13fde0522387f72036fbda3ab084ba54a3a48f51a
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Filesize
1KB
MD5df2f87703fd9e9a7ce0603aa604bd3a1
SHA1705e3ee1119cd48f9d98a53968a376a18b602079
SHA256b41754336a2818c6a8854a09eb9cf5989b0d1dae87aab426a04b47bf02ccd596
SHA512654e1bb9f35ec8f1f78455b8c3a4ea1905f8cee7926d07833f06d92122d9646c8d9068b6f47c5e6734994a791c04fc021d92bcd7ddd01b7bccd3e31b1a922240