Analysis
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max time kernel
133s -
max time network
144s -
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, 10:06
Behavioral task
behavioral1
Sample
9e7eaf569c8f3dbe07baae8cb1e136e70adf653f70c4dd07f21de95be8ec33bc.xls
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
9e7eaf569c8f3dbe07baae8cb1e136e70adf653f70c4dd07f21de95be8ec33bc.xls
Resource
win10v2004-20241007-en
General
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Target
9e7eaf569c8f3dbe07baae8cb1e136e70adf653f70c4dd07f21de95be8ec33bc.xls
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Size
91KB
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MD5
d405a8cacb7f8fd3f84b710ce2c786ec
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SHA1
87bbae07712e78232843875fab976e8dfa2c3e57
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SHA256
9e7eaf569c8f3dbe07baae8cb1e136e70adf653f70c4dd07f21de95be8ec33bc
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SHA512
8d1b33f7d2f291a96623579f76fa9f21086338bdb48e9a02146192e03cbadc2683943a46626b315373e683edf2729f7109a2293f2536bd685985c1168420fa83
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SSDEEP
1536:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgEbCXuZH4gb4CEn9J4Z8EM:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgV
Malware Config
Extracted
http://www.muyehuayi.com/cmp/8asA99KPsyA/v6lUsWbLen/
http://concivilpa.com.py/wp-admin/i3CQu9dzDrMW/
https://wijsneusmedia.nl/cgi-bin/kFB/
http://www.angloextrema.com.br/assets/oEt1yYckHKlnNIq/
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 1312 2304 regsvr32.exe 84 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3288 2304 regsvr32.exe 84 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 376 2304 regsvr32.exe 84 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2412 2304 regsvr32.exe 84 -
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 2304 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2304 EXCEL.EXE 2304 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 2304 EXCEL.EXE 2304 EXCEL.EXE 2304 EXCEL.EXE 2304 EXCEL.EXE 2304 EXCEL.EXE 2304 EXCEL.EXE 2304 EXCEL.EXE 2304 EXCEL.EXE 2304 EXCEL.EXE 2304 EXCEL.EXE 2304 EXCEL.EXE 2304 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2304 wrote to memory of 1312 2304 EXCEL.EXE 86 PID 2304 wrote to memory of 1312 2304 EXCEL.EXE 86 PID 2304 wrote to memory of 3288 2304 EXCEL.EXE 88 PID 2304 wrote to memory of 3288 2304 EXCEL.EXE 88 PID 2304 wrote to memory of 376 2304 EXCEL.EXE 90 PID 2304 wrote to memory of 376 2304 EXCEL.EXE 90 PID 2304 wrote to memory of 2412 2304 EXCEL.EXE 93 PID 2304 wrote to memory of 2412 2304 EXCEL.EXE 93
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\9e7eaf569c8f3dbe07baae8cb1e136e70adf653f70c4dd07f21de95be8ec33bc.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:2304 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx2⤵
- Process spawned unexpected child process
PID:1312
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx2⤵
- Process spawned unexpected child process
PID:3288
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx2⤵
- Process spawned unexpected child process
PID:376
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx2⤵
- Process spawned unexpected child process
PID:2412
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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
MD572a58fecb4e3255220e3b1aa6832513d
SHA14fe8854ccdc2264a3ea3e09d16a9db71006b4d11
SHA2567f4b0928833ee75d0717233db6af490127fec0b037e956214ce70bb3d72ea344
SHA5123bbc44dad8ac6d4be4ae65481d5293f1f2c3bf83dd472d3b01c6f6a5a711648a43c7af14228584486e7fe80c38f1e3c9427fd7529c261a869ab89a7f6d33e891