Analysis
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max time kernel
133s -
max time network
137s -
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 21:41
Behavioral task
behavioral1
Sample
0e336a8f8d10c641e6e6306c919add139f09fb2444aac602a251d8379525a389.xlsm
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
0e336a8f8d10c641e6e6306c919add139f09fb2444aac602a251d8379525a389.xlsm
Resource
win10v2004-20241007-en
General
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Target
0e336a8f8d10c641e6e6306c919add139f09fb2444aac602a251d8379525a389.xlsm
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Size
73KB
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MD5
67e1f72d903db3066e37211a509894c0
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SHA1
3028263f72e8110afad5c29389946e5d10f5654e
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SHA256
0e336a8f8d10c641e6e6306c919add139f09fb2444aac602a251d8379525a389
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SHA512
b982d326bcb282c4100721a92c585408a6d7a6258985767478fab1d50435497fa7d179820ed6ca5f44a528e347706a0537d990a52d30c1acebfa714c798301b4
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SSDEEP
1536:aLgT1WiXSto0NSVUINwtzLT7OMuuAe0yOcfpXZGsMlV6BD:d1WiCtzSmICpH7OZuvZGsM0
Malware Config
Extracted
https://www.ankeoman.com/undercons_files/l88ETG/
http://atbiotique.com/images/Luf2JK8NAHSkvg3H83g/
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 348 3636 regsvr32.exe 83 -
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 3636 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3636 EXCEL.EXE 3636 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3636 EXCEL.EXE 3636 EXCEL.EXE 3636 EXCEL.EXE 3636 EXCEL.EXE 3636 EXCEL.EXE 3636 EXCEL.EXE 3636 EXCEL.EXE 3636 EXCEL.EXE 3636 EXCEL.EXE 3636 EXCEL.EXE 3636 EXCEL.EXE 3636 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3636 wrote to memory of 348 3636 EXCEL.EXE 88 PID 3636 wrote to memory of 348 3636 EXCEL.EXE 88 PID 3636 wrote to memory of 348 3636 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\0e336a8f8d10c641e6e6306c919add139f09fb2444aac602a251d8379525a389.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:3636 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\ujg.dll2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:348
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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
Filesize3KB
MD5fa8d3022d105d68510557c15302c3d5c
SHA12b4f2774bc6b31d70171c66ad0ced87d4211c5e1
SHA25622a76dabf8e74ab1fc195926c8194302d26147bd9025ec943433b7c3f62b4daa
SHA5129dcb6cd6f58a179ce351835b5a8db8c984442e4c24021f03dbf4e7380d8decc367cdc0f882d4e870e9e71deab6f5354886741b6e2ce58b64b09264d5fb07d76b
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Filesize
6KB
MD5c16ce81d99df3f8fcc14dee6884354cf
SHA17cbafe67db47973d52415430fcf7da87c0a6e9bf
SHA25646edae29f49b47f8cd66b3ac609ad698a9a832c83710d2c536d0e63efe292770
SHA512d8a7be3fff25e30f2c7362980b8018fdbaf87995918988a5ececd34fb2cd07580ce6c3318d8ac339483888796b721e2948b3937b712d11143221d76cd8cf6fc1