Analysis
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max time kernel
149s -
max time network
123s -
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 19:20
Behavioral task
behavioral1
Sample
PaymentStatus.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
PaymentStatus.xls
Resource
win10v2004-20240802-en
General
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Target
PaymentStatus.xls
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Size
216KB
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MD5
2486374800299563ab8934122234242a
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SHA1
47bfe94aa96ef43231890f04ccd286b0888e10c8
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SHA256
ef2ce641a4e9f270eea626e8e4800b0b97b4a436c40e7af30aeb6f02566b809c
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SHA512
74e52e1e1317908447340cbba32949321ed435f17a524224af80236ecdf67187c83908cca514e82a49b9abe9495125ba741e01ed8f30663124c13fce339c63e5
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SSDEEP
6144:bKpb8rGYrMPe3q7Q0XV5xtuEsi8/dgAyY+TAQXTHGUMEyP5p6f5jQmK:GbGUMVWlbK
Malware Config
Extracted
https://audioselec.com/about/dDw5ggtyMojggTqhc/
https://geringer-muehle.de/wp-admin/G/
http://intolove.co.uk/wp-admin/FbGhiWtrEzrQ/
http://isc.net.ua/themes/3rU/
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 2396 5104 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2644 5104 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1180 5104 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 5040 5104 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 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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 5104 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 5104 EXCEL.EXE 5104 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 14 IoCs
Processes:
EXCEL.EXEpid process 5104 EXCEL.EXE 5104 EXCEL.EXE 5104 EXCEL.EXE 5104 EXCEL.EXE 5104 EXCEL.EXE 5104 EXCEL.EXE 5104 EXCEL.EXE 5104 EXCEL.EXE 5104 EXCEL.EXE 5104 EXCEL.EXE 5104 EXCEL.EXE 5104 EXCEL.EXE 5104 EXCEL.EXE 5104 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 5104 wrote to memory of 2396 5104 EXCEL.EXE regsvr32.exe PID 5104 wrote to memory of 2396 5104 EXCEL.EXE regsvr32.exe PID 5104 wrote to memory of 2644 5104 EXCEL.EXE regsvr32.exe PID 5104 wrote to memory of 2644 5104 EXCEL.EXE regsvr32.exe PID 5104 wrote to memory of 1180 5104 EXCEL.EXE regsvr32.exe PID 5104 wrote to memory of 1180 5104 EXCEL.EXE regsvr32.exe PID 5104 wrote to memory of 5040 5104 EXCEL.EXE regsvr32.exe PID 5104 wrote to memory of 5040 5104 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\PaymentStatus.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:5104 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe ..\oxnv1.ooccxx2⤵
- Process spawned unexpected child process
PID:2396 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe ..\oxnv2.ooccxx2⤵
- Process spawned unexpected child process
PID:2644 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe ..\oxnv3.ooccxx2⤵
- Process spawned unexpected child process
PID:1180 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe ..\oxnv4.ooccxx2⤵
- Process spawned unexpected child process
PID:5040
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize1KB
MD5fbd924abc84bb73d91f2c1bb0956cb7b
SHA127a404b6f7a9055dcf7d6254bea47a1290f5a235
SHA256ffac6529906c335c0ec8f79efd6b2289c59e089447c77e462f9f507f6136eaec
SHA51218c35f34088a2349803c6b177becc24de8f532fcbd8f91944a79f7824004322ea461ecb179845770100b963fe91147c32a386f5c7aca684c8b4992dc9aa8ef5c