Analysis
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max time kernel
149s -
max time network
144s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 03:31
Behavioral task
behavioral1
Sample
d0ce7b117e4f8d0aa5f0cdd52418b35ef98dc94db16af26dff262217602f8bfb.xls
Resource
win10-20220414-en
Behavioral task
behavioral2
Sample
d0ce7b117e4f8d0aa5f0cdd52418b35ef98dc94db16af26dff262217602f8bfb.xls
Resource
win10-20220414-en
General
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Target
d0ce7b117e4f8d0aa5f0cdd52418b35ef98dc94db16af26dff262217602f8bfb.xls
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Size
95KB
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MD5
4b39f0fd7075212cb456b2b39ba684cd
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SHA1
06d0e925443dbc6deecb750892132e7d9b569cb4
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SHA256
d0ce7b117e4f8d0aa5f0cdd52418b35ef98dc94db16af26dff262217602f8bfb
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SHA512
0d6352cdfa0d84a767aadf54e74846fa68c74d35e451037a4732f4c124d3935253ef15887eb6c415a802a9c74f0839be42193500e80b33d446d1e0565206a4f5
Malware Config
Extracted
https://edoraseguros.com.br/cgi-bin/jQNq9wlH1GXU/
http://earthmach.co.za/libraries/tWkZh9YrXbTd6IeX/
http://finvest.rs/wp-admin/Hr9nVNTIHgw59S/
http://efverstedt.se/5jjaV/w7fLEHJ20xn0qD/
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.
Processes:
regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4248 2968 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3212 2968 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3564 2968 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3404 2968 regsvr32.exe EXCEL.EXE -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 2968 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 2968 EXCEL.EXE 2968 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 2968 EXCEL.EXE 2968 EXCEL.EXE 2968 EXCEL.EXE 2968 EXCEL.EXE 2968 EXCEL.EXE 2968 EXCEL.EXE 2968 EXCEL.EXE 2968 EXCEL.EXE 2968 EXCEL.EXE 2968 EXCEL.EXE 2968 EXCEL.EXE 2968 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 2968 wrote to memory of 4248 2968 EXCEL.EXE regsvr32.exe PID 2968 wrote to memory of 4248 2968 EXCEL.EXE regsvr32.exe PID 2968 wrote to memory of 3212 2968 EXCEL.EXE regsvr32.exe PID 2968 wrote to memory of 3212 2968 EXCEL.EXE regsvr32.exe PID 2968 wrote to memory of 3564 2968 EXCEL.EXE regsvr32.exe PID 2968 wrote to memory of 3564 2968 EXCEL.EXE regsvr32.exe PID 2968 wrote to memory of 3404 2968 EXCEL.EXE regsvr32.exe PID 2968 wrote to memory of 3404 2968 EXCEL.EXE regsvr32.exe
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\d0ce7b117e4f8d0aa5f0cdd52418b35ef98dc94db16af26dff262217602f8bfb.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci1.ocx2⤵
- Process spawned unexpected child process
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci2.ocx2⤵
- Process spawned unexpected child process
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci3.ocx2⤵
- Process spawned unexpected child process
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci4.ocx2⤵
- Process spawned unexpected child process
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2968-114-0x00007FFECF770000-0x00007FFECF780000-memory.dmpFilesize
64KB
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memory/2968-115-0x00007FFECF770000-0x00007FFECF780000-memory.dmpFilesize
64KB
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memory/2968-116-0x00007FFECF770000-0x00007FFECF780000-memory.dmpFilesize
64KB
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memory/2968-117-0x00007FFECF770000-0x00007FFECF780000-memory.dmpFilesize
64KB
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memory/2968-126-0x00007FFECC0E0000-0x00007FFECC0F0000-memory.dmpFilesize
64KB
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memory/2968-127-0x00007FFECC0E0000-0x00007FFECC0F0000-memory.dmpFilesize
64KB
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memory/3212-267-0x0000000000000000-mapping.dmp
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memory/3404-269-0x0000000000000000-mapping.dmp
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memory/3564-268-0x0000000000000000-mapping.dmp
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memory/4248-266-0x0000000000000000-mapping.dmp