Analysis
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max time kernel
148s -
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 15:51
Behavioral task
behavioral1
Sample
003e2c71473d513ffd9565ec44b0aeec9fd83bbff55184eff51fdc1c4936b41b.xls
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
003e2c71473d513ffd9565ec44b0aeec9fd83bbff55184eff51fdc1c4936b41b.xls
Resource
win10v2004-20241007-en
General
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Target
003e2c71473d513ffd9565ec44b0aeec9fd83bbff55184eff51fdc1c4936b41b.xls
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Size
63KB
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MD5
e9f7fc42700630cbe1c704346df66c90
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SHA1
4a5ff93fcd060c404fe7b52948b41897446c7a2e
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SHA256
003e2c71473d513ffd9565ec44b0aeec9fd83bbff55184eff51fdc1c4936b41b
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SHA512
819663dc6975986e575c27e4fd7c0f53a74f4050e8583e8ab2b01b41889081244159ed04769c83c565cc0e3cf7ca5c77213bd3205261dfb70f76f4daf3e58d60
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SSDEEP
1536:dpKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg9HuS4VcTO9/r7UYdEJe5o1/:bKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgP
Malware Config
Extracted
https://www.careofu.com/PHPExcel/sQ78BedribNJZbGYj/
https://cedeco.es/js/n74fS/
http://balticcontrolbd.com/cgi-bin/Gu0xno0kIssGJF8/
https://fikti.bem.gunadarma.ac.id/SDM/qNeMUe2RvxdvuRlf/
Signatures
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Process spawned unexpected child process 4 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 4564 3224 regsvr32.exe 82 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1860 3224 regsvr32.exe 82 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2044 3224 regsvr32.exe 82 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3960 3224 regsvr32.exe 82 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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 3224 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3224 EXCEL.EXE 3224 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3224 EXCEL.EXE 3224 EXCEL.EXE 3224 EXCEL.EXE 3224 EXCEL.EXE 3224 EXCEL.EXE 3224 EXCEL.EXE 3224 EXCEL.EXE 3224 EXCEL.EXE 3224 EXCEL.EXE 3224 EXCEL.EXE 3224 EXCEL.EXE 3224 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3224 wrote to memory of 4564 3224 EXCEL.EXE 87 PID 3224 wrote to memory of 4564 3224 EXCEL.EXE 87 PID 3224 wrote to memory of 1860 3224 EXCEL.EXE 94 PID 3224 wrote to memory of 1860 3224 EXCEL.EXE 94 PID 3224 wrote to memory of 2044 3224 EXCEL.EXE 95 PID 3224 wrote to memory of 2044 3224 EXCEL.EXE 95 PID 3224 wrote to memory of 3960 3224 EXCEL.EXE 98 PID 3224 wrote to memory of 3960 3224 EXCEL.EXE 98
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\003e2c71473d513ffd9565ec44b0aeec9fd83bbff55184eff51fdc1c4936b41b.xls"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:3224 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\hhwe1.ocx2⤵
- Process spawned unexpected child process
PID:4564
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\hhwe2.ocx2⤵
- Process spawned unexpected child process
PID:1860
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\hhwe3.ocx2⤵
- Process spawned unexpected child process
PID:2044
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\hhwe4.ocx2⤵
- Process spawned unexpected child process
PID:3960
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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
MD5c6d0767ff00e6dc3b0aa11b083477c83
SHA15aac097f7d8473ec4be93da28c34c4dca48a1fd8
SHA25687596834422b96aa54f9ebae30b865d4de642fcc9886e5c008bc2ef9e48b5242
SHA51244a5f2c3de15a9f98431e5b12cee16871a521bed359acb995fbb19177e9350e0a626a22e0495873faebdcc13c3cf8866e2bf0ebaaa684bc1f910ce1e99758b63