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Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11/11/2024, 21:36
Behavioral task
behavioral1
Sample
b352ff5f3809f1f54cfa88eb8a1ff3bd4db6ae59a323ef8db61a44a29d0508a3.xlsm
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b352ff5f3809f1f54cfa88eb8a1ff3bd4db6ae59a323ef8db61a44a29d0508a3.xlsm
Resource
win10v2004-20241007-en
General
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Target
b352ff5f3809f1f54cfa88eb8a1ff3bd4db6ae59a323ef8db61a44a29d0508a3.xlsm
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Size
48KB
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MD5
74e3985712381d3b72554d8f936e9311
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SHA1
464ecb116a726e607126e3112db6d4dc30e5fa55
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SHA256
b352ff5f3809f1f54cfa88eb8a1ff3bd4db6ae59a323ef8db61a44a29d0508a3
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SHA512
d9aa193dd55ff8112d40c6d5718ffc207437224b4db51f25dbcdc678e4bf8d50784cbdf4942f52390e8960e404578d21083a41341ff1674e5e80a872e3efc200
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SSDEEP
768:k2uCkFF/vxRhR0KDNWBA7rTj+RYV8Q0RuVBR2jPrtysHRX0BAR5:LuTlbMKDNck01u/R2rZyjB+5
Malware Config
Extracted
http://henrysfreshroast.com/OevI7Yy0i6YShxFl/
Signatures
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Process spawned unexpected child process 1 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\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 5088 2356 regsvr32.exe 82 -
System Location Discovery: System Language Discovery 1 TTPs 1 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 regsvr32.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description 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
description 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
pid Process 2356 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2356 EXCEL.EXE 2356 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 2356 EXCEL.EXE 2356 EXCEL.EXE 2356 EXCEL.EXE 2356 EXCEL.EXE 2356 EXCEL.EXE 2356 EXCEL.EXE 2356 EXCEL.EXE 2356 EXCEL.EXE 2356 EXCEL.EXE 2356 EXCEL.EXE 2356 EXCEL.EXE 2356 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2356 wrote to memory of 5088 2356 EXCEL.EXE 94 PID 2356 wrote to memory of 5088 2356 EXCEL.EXE 94 PID 2356 wrote to memory of 5088 2356 EXCEL.EXE 94
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\b352ff5f3809f1f54cfa88eb8a1ff3bd4db6ae59a323ef8db61a44a29d0508a3.xlsm"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:2356 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\si.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:5088
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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
MD5e6d29c25de87db0d426ae59489f7e2c3
SHA161de218090f0d23fe708b55fe45a719d4bcc0c30
SHA256336189e5a58b063f97aa857878a156da031a4d7cb33a0e5c6927c5c1a3c04647
SHA5125f6636dca4363e4f67e7a62c757bf26a28df4e58bfac76379bbe5e39f0a5bbad4df58eaf5534095f579d73bdc25763ed88e8e9dd05c10c707348a7d84af9c28d
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Filesize
59KB
MD52fc1c11a3c2295b3194b1bf83b86982c
SHA18ae7381b0af50a07310f7ffbecfa780f7740305f
SHA2564ac4fc0780ce238c703abf6b7193462805ecaed4e36cdc2b74a89af0e260cd6c
SHA51258d05cc0e6f3e767156e50a4e082d86799463cf2f8f09df4d0c5e213ffed9db5e912d5f911d58454d2211a8c7c5d65216477f7bdcd9156e1f54f4f52919bb0b8