Analysis
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max time kernel
61s -
max time network
71s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
20-11-2024 21:56
Behavioral task
behavioral1
Sample
3129f2e420e3735280b4afc9596350917cbeab190e120259d837a20041c664d0.xls
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
3129f2e420e3735280b4afc9596350917cbeab190e120259d837a20041c664d0.xls
Resource
win10v2004-20241007-en
General
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Target
3129f2e420e3735280b4afc9596350917cbeab190e120259d837a20041c664d0.xls
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Size
70KB
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MD5
40d27a88b237bae0e851d43d5bb32c76
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SHA1
bbcb96ea3b642de5336efbf8537dc22ded443526
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SHA256
3129f2e420e3735280b4afc9596350917cbeab190e120259d837a20041c664d0
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SHA512
1175fe91c5407a70e188bcff9a22720f7c713885fb76602965d5efdc5033dd8264c577a3568fd36730365eacf97b90e8b75d066056bb316aba3f85568f965076
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SSDEEP
1536:OhKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+e+hDcnTLiQrRTZws8Eg0:uKpb8rGYrMPe3q7Q0XV5xtezE8vG8UMh
Malware Config
Extracted
https://strachanclark.com/images/3gc4qCpSFYbBMDEC/
https://synapse-archive.com/images/bKaMr/
https://sumuvesa.com/wp-includes/rgL/
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.
description pid pid_target Process procid_target Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 2136 3012 regsvr32.exe 28 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 2408 3012 regsvr32.exe 28 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 884 3012 regsvr32.exe 28 -
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.
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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.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 3012 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 3012 EXCEL.EXE 3012 EXCEL.EXE 3012 EXCEL.EXE -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 3012 wrote to memory of 2136 3012 EXCEL.EXE 29 PID 3012 wrote to memory of 2136 3012 EXCEL.EXE 29 PID 3012 wrote to memory of 2136 3012 EXCEL.EXE 29 PID 3012 wrote to memory of 2136 3012 EXCEL.EXE 29 PID 3012 wrote to memory of 2136 3012 EXCEL.EXE 29 PID 3012 wrote to memory of 2136 3012 EXCEL.EXE 29 PID 3012 wrote to memory of 2136 3012 EXCEL.EXE 29 PID 3012 wrote to memory of 2408 3012 EXCEL.EXE 31 PID 3012 wrote to memory of 2408 3012 EXCEL.EXE 31 PID 3012 wrote to memory of 2408 3012 EXCEL.EXE 31 PID 3012 wrote to memory of 2408 3012 EXCEL.EXE 31 PID 3012 wrote to memory of 2408 3012 EXCEL.EXE 31 PID 3012 wrote to memory of 2408 3012 EXCEL.EXE 31 PID 3012 wrote to memory of 2408 3012 EXCEL.EXE 31 PID 3012 wrote to memory of 884 3012 EXCEL.EXE 32 PID 3012 wrote to memory of 884 3012 EXCEL.EXE 32 PID 3012 wrote to memory of 884 3012 EXCEL.EXE 32 PID 3012 wrote to memory of 884 3012 EXCEL.EXE 32 PID 3012 wrote to memory of 884 3012 EXCEL.EXE 32 PID 3012 wrote to memory of 884 3012 EXCEL.EXE 32 PID 3012 wrote to memory of 884 3012 EXCEL.EXE 32
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\3129f2e420e3735280b4afc9596350917cbeab190e120259d837a20041c664d0.xls1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3012 -
C:\Windows\SysWOW64\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\cusoa1.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:2136
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C:\Windows\SysWOW64\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\cusoa2.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:2408
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C:\Windows\SysWOW64\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\cusoa3.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:884
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b