Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19/11/2024, 11:31
Behavioral task
behavioral1
Sample
a036bbcf7239f98ed0f8cfd35bddf171eff632846a8a9982ce62ae981e6c096b.xlsm
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
a036bbcf7239f98ed0f8cfd35bddf171eff632846a8a9982ce62ae981e6c096b.xlsm
Resource
win10v2004-20241007-en
General
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Target
a036bbcf7239f98ed0f8cfd35bddf171eff632846a8a9982ce62ae981e6c096b.xlsm
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Size
45KB
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MD5
18b27a00df12dc1045ddf2f5134333f5
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SHA1
aee44c59773f814ca4615e4b3a9ef10792615968
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SHA256
a036bbcf7239f98ed0f8cfd35bddf171eff632846a8a9982ce62ae981e6c096b
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SHA512
d8bf1ae6b2abd61b6bc916ae226fb524b11664a9c7a7ddea68aa6fc289bd55268dd4393247276d2f9bf300fd7f3c47ea7be4c8c3c93f118923c7562f9b951aa1
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SSDEEP
768:ABXcCsqi1O3bQkzdDTKufT9nz0LTyY1NiMZFYpvrLeci3cr+U60Us:ABXcC5iybdtT5fTR4Lh1NisFYBc3cr+A
Malware Config
Extracted
http://sorathlions.com/tmp/FlTSgo/
http://www.ajaxmatters.com/c7g8t/vkw42Xr0hItVeGsaO9D/
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 2616 2176 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 2176 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2176 EXCEL.EXE 2176 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 2176 EXCEL.EXE 2176 EXCEL.EXE 2176 EXCEL.EXE 2176 EXCEL.EXE 2176 EXCEL.EXE 2176 EXCEL.EXE 2176 EXCEL.EXE 2176 EXCEL.EXE 2176 EXCEL.EXE 2176 EXCEL.EXE 2176 EXCEL.EXE 2176 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2176 wrote to memory of 2616 2176 EXCEL.EXE 88 PID 2176 wrote to memory of 2616 2176 EXCEL.EXE 88 PID 2176 wrote to memory of 2616 2176 EXCEL.EXE 88
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\a036bbcf7239f98ed0f8cfd35bddf171eff632846a8a9982ce62ae981e6c096b.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:2176 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\xda.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:2616
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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
MD5553488d4455c46e5515dff41c713f0d0
SHA1b3717c91d75be7d0e9269d4d73226afde301ecf0
SHA256f6b51d0a20f2b0ba7047a20a85c52f47a5d7164ae7a476497f7c14f80e2fabb1
SHA512d96360299e7cfdf1272c2cf17ef31c2c6ff8a2531c529ae2cafd2d2fa6e1ea5b98512206df43d684685bee16c709803100969bb8fb815cee9359b0f2e0f081e6
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Filesize
23KB
MD54ed8ca5542b641fddd200acebadf4e3c
SHA141fd7fb6cb84805fbc229cbf13620f80a5008003
SHA2563f03ee986c82c3be72da6272448f92d97426f53e07079334edeb502f6386cc33
SHA512866719609b7200cdd4d97b6a83d7fb6424d3900b555e23d2db8744539b1ae204c0da0a5e595c676ee4cad7df3f743aad1e746c750cd30afe3a74d89bf188979a