Analysis
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max time kernel
133s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19/11/2024, 11:20
Behavioral task
behavioral1
Sample
8fc638fb4ed752cddfef675fe0bfe4d4f8cab13d3c78ef905f4cea1beb49c8e1.xlsm
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
8fc638fb4ed752cddfef675fe0bfe4d4f8cab13d3c78ef905f4cea1beb49c8e1.xlsm
Resource
win10v2004-20241007-en
General
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Target
8fc638fb4ed752cddfef675fe0bfe4d4f8cab13d3c78ef905f4cea1beb49c8e1.xlsm
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Size
46KB
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MD5
ba0a7ea3d915f993337be075371e4cb5
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SHA1
0729ded134149a402fa558ced8579f866d461623
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SHA256
8fc638fb4ed752cddfef675fe0bfe4d4f8cab13d3c78ef905f4cea1beb49c8e1
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SHA512
cabc32d261ffb5769fc3eca73a076ee0bfdba8da509cd99ca60f287f8ba5662c1ff5a248d2dc57478e7a13dd5fe994f948e741c45ebd292d2199922178489b91
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SSDEEP
768:rf4oTBvDOevZCwrvtjizdDTKufT9nz0LTyY1NiMZFYpvrLeci3cr+Uh0VU2Vy0:D4olvDetT5fTR4Lh1NisFYBc3cr+UqV3
Malware Config
Extracted
https://patriciamirapsicologa.com/wp-includes/UfQQtX1LEVwNJPCx/
https://gavalisamajsevasangh.com/abcd-trey/q4hH2T12X/
https://yatrataxi.com/folwu/LC5yH9Ai0l/
https://thelastpeopleonearth-dayz.com/wp-content/V2mmGey/
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 5108 3832 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 3832 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3832 EXCEL.EXE 3832 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3832 EXCEL.EXE 3832 EXCEL.EXE 3832 EXCEL.EXE 3832 EXCEL.EXE 3832 EXCEL.EXE 3832 EXCEL.EXE 3832 EXCEL.EXE 3832 EXCEL.EXE 3832 EXCEL.EXE 3832 EXCEL.EXE 3832 EXCEL.EXE 3832 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3832 wrote to memory of 5108 3832 EXCEL.EXE 97 PID 3832 wrote to memory of 5108 3832 EXCEL.EXE 97 PID 3832 wrote to memory of 5108 3832 EXCEL.EXE 97
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\8fc638fb4ed752cddfef675fe0bfe4d4f8cab13d3c78ef905f4cea1beb49c8e1.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:3832 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe /s ..\enu.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:5108
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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
MD5d0b35300e81378f2cbae9e4621a8386a
SHA18704504423356eeb91c4dd7552027e11c43d72cc
SHA25629ecb32e1a5fecd6b0dd8e06b7caae3cb349ae9a3471df09746d43cd0dc4de5b
SHA5125fadb319c42757d2257bcb83e269f410d694e2e45c36cbe8618149f605a87dd71d3c340023097139a6a02012d4f16efb95c78a02fa4a0226e65b5f5308daaa63
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Filesize
169KB
MD50d4da0e74d90052690c8f15badf26575
SHA166340bdaf3c0b58696f0257ad7a6e2586b1b5de5
SHA2562ea5f80d153495057d614df2dd8acae7eb1565d6ae59a48e44ca4d96331a9451
SHA5121690369827e9135d32ddf7f032d1005fec9f8d3e754ed0561f77900c1b46d6e43b779bacff3084eb4d6693a20c1279d5dc8017805eea0a3fed768934dde1781e