Analysis
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max time kernel
47s -
max time network
36s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
05-09-2024 21:21
Behavioral task
behavioral1
Sample
5abd4c8e29cf663d47ea598b05dc59a58ab509c5672115f114d4e08a93b5bcc5.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
5abd4c8e29cf663d47ea598b05dc59a58ab509c5672115f114d4e08a93b5bcc5.xls
Resource
win10v2004-20240802-en
General
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Target
5abd4c8e29cf663d47ea598b05dc59a58ab509c5672115f114d4e08a93b5bcc5.xls
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Size
60KB
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MD5
3cf94b03f03c3edbcf58afe131e9b69d
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SHA1
40d42485af4f88716bfbb20f16d3799a8fcf3ab1
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SHA256
5abd4c8e29cf663d47ea598b05dc59a58ab509c5672115f114d4e08a93b5bcc5
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SHA512
74bbac1db644dc782de8c0bcd71f0c3be9401c31dbb1dc6bcaca1959ffded6ed2990ddf18d58a9b945cce28b3a90b1de5f45dcfe701dde981ef37dcca17be68e
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SSDEEP
1536:MpKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgPDOJiA6Cv/UGLI36yOAwaJ:UKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg5
Malware Config
Extracted
http://wordpress.agrupem.com/wp-admin/c7WVBumf5iYALK/
http://andecam.com.ar/flyer-julio-2017-clientes/1heVrMvqUIgje/
http://deadcode200.c1.biz/js/BZjzK85jtrVUyl6cvbj/
http://hello-front.thlab.ru/favicon/fssoZs4b/
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 4428 2876 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2496 2876 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3560 2876 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4844 2876 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 2876 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 2876 EXCEL.EXE 2876 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 2876 EXCEL.EXE 2876 EXCEL.EXE 2876 EXCEL.EXE 2876 EXCEL.EXE 2876 EXCEL.EXE 2876 EXCEL.EXE 2876 EXCEL.EXE 2876 EXCEL.EXE 2876 EXCEL.EXE 2876 EXCEL.EXE 2876 EXCEL.EXE 2876 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 2876 wrote to memory of 4428 2876 EXCEL.EXE regsvr32.exe PID 2876 wrote to memory of 4428 2876 EXCEL.EXE regsvr32.exe PID 2876 wrote to memory of 2496 2876 EXCEL.EXE regsvr32.exe PID 2876 wrote to memory of 2496 2876 EXCEL.EXE regsvr32.exe PID 2876 wrote to memory of 3560 2876 EXCEL.EXE regsvr32.exe PID 2876 wrote to memory of 3560 2876 EXCEL.EXE regsvr32.exe PID 2876 wrote to memory of 4844 2876 EXCEL.EXE regsvr32.exe PID 2876 wrote to memory of 4844 2876 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\5abd4c8e29cf663d47ea598b05dc59a58ab509c5672115f114d4e08a93b5bcc5.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
PID:2876 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\hhwe1.ocx2⤵
- Process spawned unexpected child process
PID:4428 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\hhwe2.ocx2⤵
- Process spawned unexpected child process
PID:2496 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\hhwe3.ocx2⤵
- Process spawned unexpected child process
PID:3560 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\hhwe4.ocx2⤵
- Process spawned unexpected child process
PID:4844
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize1KB
MD5332057d00bc7f75f96af38d7345e15be
SHA18eb082de0251213ecb8c042315590b4c20bca2bb
SHA256ceaca88ed45c73e95784edbcf79e631ee866e56513d84dbbf6b24f798553b59a
SHA512b8949f22c7d4d00a96f0fc23316bc41da07fc83c10a5e0059e9690726037270e75df440adb684b4584221eb0cd8a466eff4c6c87f1249179ec4a37caff1b6a1a