Analysis
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max time kernel
121s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
20-11-2024 18:40
Behavioral task
behavioral1
Sample
c1267528f4b81191aaf05b334bacf697c9ec41f5e2892f2202d0c3501e4f151d.xls
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
c1267528f4b81191aaf05b334bacf697c9ec41f5e2892f2202d0c3501e4f151d.xls
Resource
win10v2004-20241007-en
General
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Target
c1267528f4b81191aaf05b334bacf697c9ec41f5e2892f2202d0c3501e4f151d.xls
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Size
70KB
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MD5
287f3debd0c4fe8a48b2396da2e20b3a
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SHA1
db209563a5fd9975efeac926d04f38534512e8cd
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SHA256
c1267528f4b81191aaf05b334bacf697c9ec41f5e2892f2202d0c3501e4f151d
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SHA512
721cffc8a4d1e2043281d7ec32cb6969b448cd2f5cd809f099b59231fbff75267b0c2332b2c98092d2c7751fb94e302dc0e5c3b1a8552044142b598e6e07c4ec
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SSDEEP
1536:OhKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+/+hDcnTLiQrRTZws8EbK:uKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM1
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.
Processes:
regsvr32.exeregsvr32.exeregsvr32.exedescription pid pid_target Process procid_target Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 2220 1776 regsvr32.exe 29 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 2716 1776 regsvr32.exe 29 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 2724 1776 regsvr32.exe 29 -
System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
regsvr32.exeEXCEL.EXEregsvr32.exeregsvr32.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language EXCEL.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe -
Enumerates system info in registry 2 TTPs 1 IoCs
Processes:
EXCEL.EXEdescription ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid Process 1776 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid Process 1776 EXCEL.EXE 1776 EXCEL.EXE 1776 EXCEL.EXE -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
EXCEL.EXEdescription pid Process procid_target PID 1776 wrote to memory of 2220 1776 EXCEL.EXE 31 PID 1776 wrote to memory of 2220 1776 EXCEL.EXE 31 PID 1776 wrote to memory of 2220 1776 EXCEL.EXE 31 PID 1776 wrote to memory of 2220 1776 EXCEL.EXE 31 PID 1776 wrote to memory of 2220 1776 EXCEL.EXE 31 PID 1776 wrote to memory of 2220 1776 EXCEL.EXE 31 PID 1776 wrote to memory of 2220 1776 EXCEL.EXE 31 PID 1776 wrote to memory of 2716 1776 EXCEL.EXE 32 PID 1776 wrote to memory of 2716 1776 EXCEL.EXE 32 PID 1776 wrote to memory of 2716 1776 EXCEL.EXE 32 PID 1776 wrote to memory of 2716 1776 EXCEL.EXE 32 PID 1776 wrote to memory of 2716 1776 EXCEL.EXE 32 PID 1776 wrote to memory of 2716 1776 EXCEL.EXE 32 PID 1776 wrote to memory of 2716 1776 EXCEL.EXE 32 PID 1776 wrote to memory of 2724 1776 EXCEL.EXE 33 PID 1776 wrote to memory of 2724 1776 EXCEL.EXE 33 PID 1776 wrote to memory of 2724 1776 EXCEL.EXE 33 PID 1776 wrote to memory of 2724 1776 EXCEL.EXE 33 PID 1776 wrote to memory of 2724 1776 EXCEL.EXE 33 PID 1776 wrote to memory of 2724 1776 EXCEL.EXE 33 PID 1776 wrote to memory of 2724 1776 EXCEL.EXE 33
Processes
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C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\c1267528f4b81191aaf05b334bacf697c9ec41f5e2892f2202d0c3501e4f151d.xls1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1776 -
C:\Windows\SysWOW64\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\cusoa1.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:2220
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C:\Windows\SysWOW64\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\cusoa2.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:2716
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C:\Windows\SysWOW64\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\cusoa3.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:2724
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