Analysis
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max time kernel
117s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
11-11-2024 18:01
Behavioral task
behavioral1
Sample
9dc1aab677f374576c4ba1af99a0b475d021ba985e13dbf90953504e697c1dee.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
9dc1aab677f374576c4ba1af99a0b475d021ba985e13dbf90953504e697c1dee.xls
Resource
win10v2004-20241007-en
General
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Target
9dc1aab677f374576c4ba1af99a0b475d021ba985e13dbf90953504e697c1dee.xls
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Size
70KB
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MD5
127af7776c32be1dc79e21a5bedd8416
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SHA1
53cfbbdab3a33711725f93dc222c44a30dc6ab85
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SHA256
9dc1aab677f374576c4ba1af99a0b475d021ba985e13dbf90953504e697c1dee
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SHA512
e9ae140d8b120545336a14ebfaa09811bb1e9b64acab9d3f906cfd7ec4481142190fb7e6bda502c4bd801fe1680ba21bfd736863ebbffd213428d29dda38dba2
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SSDEEP
1536:OhKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+4+hDcnTLiQrRTZws8E1:uKpb8rGYrMPe3q7Q0XV5xtezE8vG8UMf
Malware Config
Extracted
https://natayakim.com/_hlam/Ob78p6SxMNonofG/
http://weplug.com/dom/LfdeV8H4Zy1yLFRV/
http://martinmichalek.com/_sub/G1QKwEYPbt/
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 (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 2756 1016 regsvr32.exe 27 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 3064 1016 regsvr32.exe 27 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 2148 1016 regsvr32.exe 27 -
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.
description 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
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1016 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1016 EXCEL.EXE 1016 EXCEL.EXE 1016 EXCEL.EXE -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 1016 wrote to memory of 2756 1016 EXCEL.EXE 29 PID 1016 wrote to memory of 2756 1016 EXCEL.EXE 29 PID 1016 wrote to memory of 2756 1016 EXCEL.EXE 29 PID 1016 wrote to memory of 2756 1016 EXCEL.EXE 29 PID 1016 wrote to memory of 2756 1016 EXCEL.EXE 29 PID 1016 wrote to memory of 2756 1016 EXCEL.EXE 29 PID 1016 wrote to memory of 2756 1016 EXCEL.EXE 29 PID 1016 wrote to memory of 3064 1016 EXCEL.EXE 30 PID 1016 wrote to memory of 3064 1016 EXCEL.EXE 30 PID 1016 wrote to memory of 3064 1016 EXCEL.EXE 30 PID 1016 wrote to memory of 3064 1016 EXCEL.EXE 30 PID 1016 wrote to memory of 3064 1016 EXCEL.EXE 30 PID 1016 wrote to memory of 3064 1016 EXCEL.EXE 30 PID 1016 wrote to memory of 3064 1016 EXCEL.EXE 30 PID 1016 wrote to memory of 2148 1016 EXCEL.EXE 31 PID 1016 wrote to memory of 2148 1016 EXCEL.EXE 31 PID 1016 wrote to memory of 2148 1016 EXCEL.EXE 31 PID 1016 wrote to memory of 2148 1016 EXCEL.EXE 31 PID 1016 wrote to memory of 2148 1016 EXCEL.EXE 31 PID 1016 wrote to memory of 2148 1016 EXCEL.EXE 31 PID 1016 wrote to memory of 2148 1016 EXCEL.EXE 31
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\9dc1aab677f374576c4ba1af99a0b475d021ba985e13dbf90953504e697c1dee.xls1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1016 -
C:\Windows\SysWOW64\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\cusoa1.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:2756
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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:3064
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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:2148
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