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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
11/11/2024, 21:43
Behavioral task
behavioral1
Sample
a87f232e899ee4982c0df8a29e1647c7f81d9b31045798464e336be1b00b3941.xls
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
a87f232e899ee4982c0df8a29e1647c7f81d9b31045798464e336be1b00b3941.xls
Resource
win10v2004-20241007-en
General
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Target
a87f232e899ee4982c0df8a29e1647c7f81d9b31045798464e336be1b00b3941.xls
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Size
101KB
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MD5
fd8757ec97dfcbb5ceeb4acaeecbc85d
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SHA1
38ce57b1ebefc1e97fca479bce5054034f05d322
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SHA256
a87f232e899ee4982c0df8a29e1647c7f81d9b31045798464e336be1b00b3941
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SHA512
648c15346fdbdd4174260d651b525475c3cc3b1a360794bc3e432c55270f75a222b303e8482c68ca9a20452a15e0c7224ce4388f8ee2bd47adfbd3261500ec51
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SSDEEP
3072:+Kpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+MbOBzbq0f6RlD9fxW8s8OA:+Kpb8rGYrMPe3q7Q0XV5xtuE8vG8UM+U
Malware Config
Extracted
http://dlfreight.com/wp-includes/zLuZdtVkoriGTaRE/
http://hadramout21.com/jetpack-temp/KjOqTnCwBbVrz8w/
http://groupesther.com/wp-admin/2hhcMwfOG0aRi1t/
http://datainline.com/aspnet_client/56LwAJvy/
http://greycoconut.com/edm/0ywf2bF/
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 3212 3916 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 3916 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3916 EXCEL.EXE 3916 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3916 EXCEL.EXE 3916 EXCEL.EXE 3916 EXCEL.EXE 3916 EXCEL.EXE 3916 EXCEL.EXE 3916 EXCEL.EXE 3916 EXCEL.EXE 3916 EXCEL.EXE 3916 EXCEL.EXE 3916 EXCEL.EXE 3916 EXCEL.EXE 3916 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3916 wrote to memory of 3212 3916 EXCEL.EXE 95 PID 3916 wrote to memory of 3212 3916 EXCEL.EXE 95 PID 3916 wrote to memory of 3212 3916 EXCEL.EXE 95
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\a87f232e899ee4982c0df8a29e1647c7f81d9b31045798464e336be1b00b3941.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:3916 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\txdn.dll2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:3212
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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
MD589e2004d6bbb433f0ea146d1d1e19af8
SHA1f7bb44608e7d47e741dd931df134b493c57edb6c
SHA25680bf93f67bb0e0ce8d82fc3220a3ff3402c59347a7bd20d958ffc5f2e505fac2
SHA512afd4e00ad2b8a0e54199ffe506aecf92caa43c9f900fff93b46b40229be73f6f209b881d4b3b8c5491f2edf413b5637d78a39108d7d9efcefe9bf5e4469f9786
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Filesize
36KB
MD53b79e62476916ff33ddc0668a0898e6d
SHA1fe4f73a8019a0407cec5e2eb0c344adc4ab73bae
SHA256418099d0e61f486fc52144bd0b16c8833b893eb9203163835c59045ca9782b81
SHA5123b42ec3d6c8d68824e43ea8bd0b62c4434fd995f8dc93c3a278e229168b080c5920b226c02236bd98cd7ddadab19536dd05a4e4f35323393ac9ef766b0759bfa