Analysis
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max time kernel
142s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21-11-2024 00:04
Behavioral task
behavioral1
Sample
48b206fa3001ff4f06394a3ec2c366a9859f5722461511418dbc5585c86bf407.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
48b206fa3001ff4f06394a3ec2c366a9859f5722461511418dbc5585c86bf407.xls
Resource
win10v2004-20241007-en
General
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Target
48b206fa3001ff4f06394a3ec2c366a9859f5722461511418dbc5585c86bf407.xls
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Size
60KB
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MD5
d7636a31f21b3c86bcac82757a3fe351
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SHA1
3f8fb437e613fb7de41fa4ada398793e66bf6787
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SHA256
48b206fa3001ff4f06394a3ec2c366a9859f5722461511418dbc5585c86bf407
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SHA512
206a1e30eef32d43896260460a93a76a6c8570e1b5534bdb20814bac3553c1546b9b2038e5d83159b04c65f787cecf3cb15a00fc3b819b8a15668cba6abe2530
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SSDEEP
1536:NpKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgUDOJiA6Cv/UGLI36yOAR5N:rKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgQ
Malware Config
Extracted
http://www.valyval.com/pun/VAYL/
http://cabans.com/CeudWYRQEzZgrHPcI/
http://calzadoyuyin.com/cgj-bin/jZPff/
http://cagranus.com/slide/mcqAFuMhaekn/
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 (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 2748 1972 regsvr32.exe 29 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 2880 1972 regsvr32.exe 29 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 2860 1972 regsvr32.exe 29 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 2616 1972 regsvr32.exe 29 -
System Location Discovery: System Language Discovery 1 TTPs 5 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 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 EXCEL.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 1972 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1972 EXCEL.EXE 1972 EXCEL.EXE 1972 EXCEL.EXE -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 1972 wrote to memory of 2748 1972 EXCEL.EXE 31 PID 1972 wrote to memory of 2748 1972 EXCEL.EXE 31 PID 1972 wrote to memory of 2748 1972 EXCEL.EXE 31 PID 1972 wrote to memory of 2748 1972 EXCEL.EXE 31 PID 1972 wrote to memory of 2748 1972 EXCEL.EXE 31 PID 1972 wrote to memory of 2748 1972 EXCEL.EXE 31 PID 1972 wrote to memory of 2748 1972 EXCEL.EXE 31 PID 1972 wrote to memory of 2880 1972 EXCEL.EXE 33 PID 1972 wrote to memory of 2880 1972 EXCEL.EXE 33 PID 1972 wrote to memory of 2880 1972 EXCEL.EXE 33 PID 1972 wrote to memory of 2880 1972 EXCEL.EXE 33 PID 1972 wrote to memory of 2880 1972 EXCEL.EXE 33 PID 1972 wrote to memory of 2880 1972 EXCEL.EXE 33 PID 1972 wrote to memory of 2880 1972 EXCEL.EXE 33 PID 1972 wrote to memory of 2860 1972 EXCEL.EXE 34 PID 1972 wrote to memory of 2860 1972 EXCEL.EXE 34 PID 1972 wrote to memory of 2860 1972 EXCEL.EXE 34 PID 1972 wrote to memory of 2860 1972 EXCEL.EXE 34 PID 1972 wrote to memory of 2860 1972 EXCEL.EXE 34 PID 1972 wrote to memory of 2860 1972 EXCEL.EXE 34 PID 1972 wrote to memory of 2860 1972 EXCEL.EXE 34 PID 1972 wrote to memory of 2616 1972 EXCEL.EXE 35 PID 1972 wrote to memory of 2616 1972 EXCEL.EXE 35 PID 1972 wrote to memory of 2616 1972 EXCEL.EXE 35 PID 1972 wrote to memory of 2616 1972 EXCEL.EXE 35 PID 1972 wrote to memory of 2616 1972 EXCEL.EXE 35 PID 1972 wrote to memory of 2616 1972 EXCEL.EXE 35 PID 1972 wrote to memory of 2616 1972 EXCEL.EXE 35
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\48b206fa3001ff4f06394a3ec2c366a9859f5722461511418dbc5585c86bf407.xls1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1972 -
C:\Windows\SysWOW64\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\xgev1.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:2748
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C:\Windows\SysWOW64\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\xgev2.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:2880
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C:\Windows\SysWOW64\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\xgev3.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:2860
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C:\Windows\SysWOW64\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\xgev4.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:2616
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
81KB
MD51b8d701688f19caaf69054b9cad3a582
SHA1a023b42c27c47dcdbc645902b66395cf6d72bafd
SHA25683b570b39a315983aff8b3bd595ccf51073adfd6aabe8f5aa95be01206ccff7f
SHA51292f32d1d70456164bfc9e402540d658bf5d8c367e4175d9928445598f85f558fb708839112d60bc3a20a196adf48ae17cc9e6b6b92d20bad124c5fce63e304dc