Analysis
-
max time kernel
122s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
20-11-2024 21:24
Behavioral task
behavioral1
Sample
45aac4eeb99af8df78a39835a6d1845f463c7e7f43118f155f90488955129476.xls
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
45aac4eeb99af8df78a39835a6d1845f463c7e7f43118f155f90488955129476.xls
Resource
win10v2004-20241007-en
General
-
Target
45aac4eeb99af8df78a39835a6d1845f463c7e7f43118f155f90488955129476.xls
-
Size
70KB
-
MD5
77221120c6ff2154c101f25598fdd728
-
SHA1
153e854886d87037cb5971c5dc4821c4cf405daa
-
SHA256
45aac4eeb99af8df78a39835a6d1845f463c7e7f43118f155f90488955129476
-
SHA512
8ea814f497f4d834f51b394e073d752f801b5d942d43a4041875e6a0b762d543ea4a6c1e9eb8f1ac78c0d9c0a1c0ac38e1f77924068ec06754b8f392badeccdc
-
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
-
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 target process Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 2796 2584 regsvr32.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 2332 2584 regsvr32.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 2636 2584 regsvr32.exe EXCEL.EXE -
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:
EXCEL.EXEregsvr32.exeregsvr32.exeregsvr32.exedescription ioc process 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 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 2584 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 2584 EXCEL.EXE 2584 EXCEL.EXE 2584 EXCEL.EXE -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 2584 wrote to memory of 2796 2584 EXCEL.EXE regsvr32.exe PID 2584 wrote to memory of 2796 2584 EXCEL.EXE regsvr32.exe PID 2584 wrote to memory of 2796 2584 EXCEL.EXE regsvr32.exe PID 2584 wrote to memory of 2796 2584 EXCEL.EXE regsvr32.exe PID 2584 wrote to memory of 2796 2584 EXCEL.EXE regsvr32.exe PID 2584 wrote to memory of 2796 2584 EXCEL.EXE regsvr32.exe PID 2584 wrote to memory of 2796 2584 EXCEL.EXE regsvr32.exe PID 2584 wrote to memory of 2332 2584 EXCEL.EXE regsvr32.exe PID 2584 wrote to memory of 2332 2584 EXCEL.EXE regsvr32.exe PID 2584 wrote to memory of 2332 2584 EXCEL.EXE regsvr32.exe PID 2584 wrote to memory of 2332 2584 EXCEL.EXE regsvr32.exe PID 2584 wrote to memory of 2332 2584 EXCEL.EXE regsvr32.exe PID 2584 wrote to memory of 2332 2584 EXCEL.EXE regsvr32.exe PID 2584 wrote to memory of 2332 2584 EXCEL.EXE regsvr32.exe PID 2584 wrote to memory of 2636 2584 EXCEL.EXE regsvr32.exe PID 2584 wrote to memory of 2636 2584 EXCEL.EXE regsvr32.exe PID 2584 wrote to memory of 2636 2584 EXCEL.EXE regsvr32.exe PID 2584 wrote to memory of 2636 2584 EXCEL.EXE regsvr32.exe PID 2584 wrote to memory of 2636 2584 EXCEL.EXE regsvr32.exe PID 2584 wrote to memory of 2636 2584 EXCEL.EXE regsvr32.exe PID 2584 wrote to memory of 2636 2584 EXCEL.EXE regsvr32.exe
Processes
-
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\45aac4eeb99af8df78a39835a6d1845f463c7e7f43118f155f90488955129476.xls1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2584 -
C:\Windows\SysWOW64\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\cusoa1.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:2796
-
-
C:\Windows\SysWOW64\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\cusoa2.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:2332
-
-
C:\Windows\SysWOW64\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\cusoa3.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:2636
-