Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21-11-2024 00:44
Behavioral task
behavioral1
Sample
7a7688cd6f7077b47529fd6263bcc395b91b0966492aa71fad97580edfa8f862.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
7a7688cd6f7077b47529fd6263bcc395b91b0966492aa71fad97580edfa8f862.xls
Resource
win10v2004-20241007-en
General
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Target
7a7688cd6f7077b47529fd6263bcc395b91b0966492aa71fad97580edfa8f862.xls
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Size
71KB
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MD5
7d7d21d0c976b9711aa88f72bacc8f13
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SHA1
544b7bd2a8422f013cdd5dd85d679fbf1d4ca486
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SHA256
7a7688cd6f7077b47529fd6263bcc395b91b0966492aa71fad97580edfa8f862
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SHA512
df1c0634912caff5ad17ef2a1ed47a2f6c2a7348887cff482ce089aff883c1f08d7c8b679709243aa33ed36b491faf3844488c1e4d5fde5bb27d534cff5acfe8
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SSDEEP
1536:DhKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+gH+hDcnTLiQrRTZws8EYO:FKpb8rGYrMPe3q7Q0XV5xtezE8vG8UMv
Malware Config
Extracted
https://papillonweb.fr/wp-content/G8z08q0mj/
http://brennanasia.com/images/6IwPBHbnUvfgugV1b/
https://estacioesportivavilanovailageltru.cat/tmp/IgSyqwgJmE/
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.
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 2372 2512 regsvr32.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 2564 2512 regsvr32.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 2784 2512 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:
regsvr32.exeregsvr32.exeregsvr32.exeEXCEL.EXEdescription 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 -
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 2512 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 2512 EXCEL.EXE 2512 EXCEL.EXE 2512 EXCEL.EXE -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 2512 wrote to memory of 2372 2512 EXCEL.EXE regsvr32.exe PID 2512 wrote to memory of 2372 2512 EXCEL.EXE regsvr32.exe PID 2512 wrote to memory of 2372 2512 EXCEL.EXE regsvr32.exe PID 2512 wrote to memory of 2372 2512 EXCEL.EXE regsvr32.exe PID 2512 wrote to memory of 2372 2512 EXCEL.EXE regsvr32.exe PID 2512 wrote to memory of 2372 2512 EXCEL.EXE regsvr32.exe PID 2512 wrote to memory of 2372 2512 EXCEL.EXE regsvr32.exe PID 2512 wrote to memory of 2564 2512 EXCEL.EXE regsvr32.exe PID 2512 wrote to memory of 2564 2512 EXCEL.EXE regsvr32.exe PID 2512 wrote to memory of 2564 2512 EXCEL.EXE regsvr32.exe PID 2512 wrote to memory of 2564 2512 EXCEL.EXE regsvr32.exe PID 2512 wrote to memory of 2564 2512 EXCEL.EXE regsvr32.exe PID 2512 wrote to memory of 2564 2512 EXCEL.EXE regsvr32.exe PID 2512 wrote to memory of 2564 2512 EXCEL.EXE regsvr32.exe PID 2512 wrote to memory of 2784 2512 EXCEL.EXE regsvr32.exe PID 2512 wrote to memory of 2784 2512 EXCEL.EXE regsvr32.exe PID 2512 wrote to memory of 2784 2512 EXCEL.EXE regsvr32.exe PID 2512 wrote to memory of 2784 2512 EXCEL.EXE regsvr32.exe PID 2512 wrote to memory of 2784 2512 EXCEL.EXE regsvr32.exe PID 2512 wrote to memory of 2784 2512 EXCEL.EXE regsvr32.exe PID 2512 wrote to memory of 2784 2512 EXCEL.EXE regsvr32.exe
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\7a7688cd6f7077b47529fd6263bcc395b91b0966492aa71fad97580edfa8f862.xls1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2512 -
C:\Windows\SysWOW64\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\usoiy1.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:2372
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C:\Windows\SysWOW64\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\usoiy2.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:2564
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C:\Windows\SysWOW64\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\usoiy3.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:2784
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
111KB
MD5a32ddff026d0c45aec7bf4c84fb00e6f
SHA1377fa6800165a19b9f2b760ba1b970ab3c09d3ae
SHA25679a01b0fa26cfd15bd528c57d32d2bb6e6a984f2b0f4d95d7b24dfcf1dcb89e9
SHA512de15e922e1bf7c43e73050acaedaa1b9c7978cf3ac29ccd24ce114617a93cd6d6fa035f9226bd32fa2c72892ffb8fdf92665b322e90ffeb82d85f306ee30cf9e
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Filesize
75KB
MD5ffd79b4df56bb1e902578e2588599ae3
SHA13160854d43f2ec7e4e9a16d5a899c13252de72c0
SHA256d3bb6a91a281cb5d3c8080effa3a39a20e994604b7282e0cdc4e8c602ea482df
SHA51216c317a3f84920100ec157e37df569c37358aa97640f7f140e0e8f5508e06f0ca0fe7f7d6ba61dbc60897393e735d2899597f634478ee3ca584e4f0240c6e13b