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Analysis
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max time kernel
149s -
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
11/11/2024, 21:31
Behavioral task
behavioral1
Sample
bee5502603f18b8e8179b08206af263a34b49c178822532e79c0eddc3a0d3eca.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
bee5502603f18b8e8179b08206af263a34b49c178822532e79c0eddc3a0d3eca.xls
Resource
win10v2004-20241007-en
General
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Target
bee5502603f18b8e8179b08206af263a34b49c178822532e79c0eddc3a0d3eca.xls
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Size
70KB
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MD5
8bc7fa7f53fcfe0cc37d9f1bbc88e005
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SHA1
a78ac4df6ba43ba9bf0ed43c7f0127cca368c339
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SHA256
bee5502603f18b8e8179b08206af263a34b49c178822532e79c0eddc3a0d3eca
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SHA512
f90f72579450499ca1b9f266be60eea65b3077046f78560e642f87ec4337c09d03f7ea62828fda3d899cef84305e23063d29067fc97e38bff41c525a787112ed
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SSDEEP
1536:OhKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+/+hDcnTLiQrRTZws8E7K:uKpb8rGYrMPe3q7Q0XV5xtezE8vG8UMF
Malware Config
Extracted
https://prprofile.com/wp-admin/CIqrvgYsvBiBlIM/
https://retardantedefuegoperu.com/slider/rFhAa78/
http://survei.absensi.net/cc-content/YCcjkOA3ijYNu46Y/
Signatures
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Process spawned unexpected child process 3 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 2788 336 regsvr32.exe 82 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2816 336 regsvr32.exe 82 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4684 336 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 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 336 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 336 EXCEL.EXE 336 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 336 EXCEL.EXE 336 EXCEL.EXE 336 EXCEL.EXE 336 EXCEL.EXE 336 EXCEL.EXE 336 EXCEL.EXE 336 EXCEL.EXE 336 EXCEL.EXE 336 EXCEL.EXE 336 EXCEL.EXE 336 EXCEL.EXE 336 EXCEL.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 336 wrote to memory of 2788 336 EXCEL.EXE 88 PID 336 wrote to memory of 2788 336 EXCEL.EXE 88 PID 336 wrote to memory of 2816 336 EXCEL.EXE 89 PID 336 wrote to memory of 2816 336 EXCEL.EXE 89 PID 336 wrote to memory of 4684 336 EXCEL.EXE 90 PID 336 wrote to memory of 4684 336 EXCEL.EXE 90
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\bee5502603f18b8e8179b08206af263a34b49c178822532e79c0eddc3a0d3eca.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:336 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\cusoa1.ocx2⤵
- Process spawned unexpected child process
PID:2788
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\cusoa2.ocx2⤵
- Process spawned unexpected child process
PID:2816
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\cusoa3.ocx2⤵
- Process spawned unexpected child process
PID:4684
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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
Filesize2KB
MD59719f81dabca2952eb2528f25a217233
SHA1558f3bdf57d273d0347077cecdb69a9f5bf6ac35
SHA256944d3601f34242e952722d12781b1f2e7e51d539f4933b0245872f9bd50db4fb
SHA51205a18698b867233d1a83a9c25df74f06d5ccb464d45b7f6a14da087fa375f54a8bcf9928c976a8f62b282c7e91caca127fc2e3afbea60dea9e43fea144a8f69d