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Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11/11/2024, 21:22
Behavioral task
behavioral1
Sample
cfc2c5f40f2ad3a8addba93382052819f574cfd172d2f38f5e5deeb3e964bdf1.xlsm
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
cfc2c5f40f2ad3a8addba93382052819f574cfd172d2f38f5e5deeb3e964bdf1.xlsm
Resource
win10v2004-20241007-en
General
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Target
cfc2c5f40f2ad3a8addba93382052819f574cfd172d2f38f5e5deeb3e964bdf1.xlsm
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Size
51KB
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MD5
7de5f9c8f9f915dea7234e4d1c166b9e
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SHA1
910128211e23e5eb83778ac3039e88a651ce74c8
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SHA256
cfc2c5f40f2ad3a8addba93382052819f574cfd172d2f38f5e5deeb3e964bdf1
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SHA512
0670df3e2eec8aedd9371ff6accf80ba337cc49b79597f3fe0834bc4ef9d6edc9a097990b6623fc6dd8aaac23dfdb08cbccc8953e3bc573d4df5d17bd5ec3638
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SSDEEP
768:aICkZNRvmHvnQvlSQHAamYDSmPq9A3Bj9DLC+9uSEcmQThnuG3KC0VfVhC:aItBvGvQ8ncDSmSIBlGeuSEcm2h0HVfm
Malware Config
Extracted
http://www.ajaxmatters.com/c7g8t/kYHGlphIEPNOImddm1/
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 868 4568 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 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 4568 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4568 EXCEL.EXE 4568 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4568 EXCEL.EXE 4568 EXCEL.EXE 4568 EXCEL.EXE 4568 EXCEL.EXE 4568 EXCEL.EXE 4568 EXCEL.EXE 4568 EXCEL.EXE 4568 EXCEL.EXE 4568 EXCEL.EXE 4568 EXCEL.EXE 4568 EXCEL.EXE 4568 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4568 wrote to memory of 868 4568 EXCEL.EXE 88 PID 4568 wrote to memory of 868 4568 EXCEL.EXE 88 PID 4568 wrote to memory of 868 4568 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\cfc2c5f40f2ad3a8addba93382052819f574cfd172d2f38f5e5deeb3e964bdf1.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:4568 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\wn.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:868
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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
MD52516a9c034bf2b8bbe7d48e24f63055d
SHA1d44fd4936509bce3507a625db786129c29e36014
SHA2565365cf1491f12e3b58ce357e6ee0d46c60c7d2e58d64ad9286ea3219a9aab64c
SHA51288142f177d1c71b6c1c5c550627b67bb279d6d3f917530247ce9b9bdff32a1bd7840c0dd949a9b17b39da23a65725e84a44ec5a6fb67e30bc9ce5525ac73ee44
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Filesize
23KB
MD54ed8ca5542b641fddd200acebadf4e3c
SHA141fd7fb6cb84805fbc229cbf13620f80a5008003
SHA2563f03ee986c82c3be72da6272448f92d97426f53e07079334edeb502f6386cc33
SHA512866719609b7200cdd4d97b6a83d7fb6424d3900b555e23d2db8744539b1ae204c0da0a5e595c676ee4cad7df3f743aad1e746c750cd30afe3a74d89bf188979a