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Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
11/11/2024, 21:27
Behavioral task
behavioral1
Sample
87ec8b6572dcbffe635e0727af61a071b6f38a52a009f93c5b9b6016c77f1ec2.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
87ec8b6572dcbffe635e0727af61a071b6f38a52a009f93c5b9b6016c77f1ec2.xls
Resource
win10v2004-20241007-en
General
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Target
87ec8b6572dcbffe635e0727af61a071b6f38a52a009f93c5b9b6016c77f1ec2.xls
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Size
142KB
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MD5
50cfa17901314c512629f9cb2373c222
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SHA1
47ce5bb1efe924260f8653baaea8c9d0ad3cccb2
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SHA256
87ec8b6572dcbffe635e0727af61a071b6f38a52a009f93c5b9b6016c77f1ec2
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SHA512
ec383e5176fc8c521b83ff47d7578bb00115f97c1b83c5d272ce4fe0956510b32611191584bf7c93e9e0b339ce7b7ea50db8d3a2e737c25e93faca6c2fe26b4c
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SSDEEP
3072:kfKpbdrHYrMue8q7QPX+5xtekEdi8/dgR/c/mrWmngyYXnMJelsSKThsdskl4WjN:8KpbdrHYrMue8q7QPX+5xtFEdi8/dgRQ
Malware Config
Extracted
https://www.certika-bolivia.com/omeltxveatup/9Gb/
https://www.cfoodsnepal.com/index/rvAYVKkJgVWiCwt0wV/
https://www.cgaei.com/fonts/ABuQi/
https://www.chotdonhang.com/noi-dung/w1hMfkjuwAne4W2epiP/
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 (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 2872 2396 regsvr32.exe 29 -
System Location Discovery: System Language Discovery 1 TTPs 2 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 -
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 2396 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2396 EXCEL.EXE 2396 EXCEL.EXE 2396 EXCEL.EXE -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2396 wrote to memory of 2872 2396 EXCEL.EXE 31 PID 2396 wrote to memory of 2872 2396 EXCEL.EXE 31 PID 2396 wrote to memory of 2872 2396 EXCEL.EXE 31 PID 2396 wrote to memory of 2872 2396 EXCEL.EXE 31 PID 2396 wrote to memory of 2872 2396 EXCEL.EXE 31 PID 2396 wrote to memory of 2872 2396 EXCEL.EXE 31 PID 2396 wrote to memory of 2872 2396 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\87ec8b6572dcbffe635e0727af61a071b6f38a52a009f93c5b9b6016c77f1ec2.xls1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2396 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\lnau.dll2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:2872
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
85KB
MD56fc3ffa704f60b13e573a7500bafa340
SHA159e4f640f6d5182405bba02609f61748c09186c3
SHA25642419aa4985bfebd61be3c227cce2045ee89db918492e16266aac6597cd7bcaa
SHA512fe0d57871cd27272e5e312fffc3fb8377797f19c3472caae2eb9ca91c2b65adbff8b99f1c7c253a37621417e4e43a3e4593c6a3f660d8085f58ac7b935bfe8d8