Analysis
-
max time kernel
138s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2022 13:06
Behavioral task
behavioral1
Sample
f6297c8027a1248e39016b157107ad32ef599831a95058ca9441ba28833c495b.xls
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
f6297c8027a1248e39016b157107ad32ef599831a95058ca9441ba28833c495b.xls
Resource
win10v2004-20220812-en
General
-
Target
f6297c8027a1248e39016b157107ad32ef599831a95058ca9441ba28833c495b.xls
-
Size
89KB
-
MD5
1fb93e8b0fb510e1ca5cc4957df7f85a
-
SHA1
fa266a03f00b540fa236b21120408e70c6d8dc37
-
SHA256
f6297c8027a1248e39016b157107ad32ef599831a95058ca9441ba28833c495b
-
SHA512
7d150ff6318353cba3382879e06c3caa406770af21e5e4f06f567ee3a14dcf2d2e654ea8d3bd6edc4b56999a291907ac05420cda15642f4f5b33804124b60cf0
-
SSDEEP
1536:9gggM4IY73+WVbrzQ7IyBTCkbA23QM88hOX13WP2Go:LlWVbrzQ7IBkZZj4X13iTo
Malware Config
Signatures
-
Process spawned unexpected child process 3 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
cmd.execmd.execmd.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1768 1560 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4772 1560 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2104 1560 cmd.exe EXCEL.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 1560 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 14 IoCs
Processes:
EXCEL.EXEpid process 1560 EXCEL.EXE 1560 EXCEL.EXE 1560 EXCEL.EXE 1560 EXCEL.EXE 1560 EXCEL.EXE 1560 EXCEL.EXE 1560 EXCEL.EXE 1560 EXCEL.EXE 1560 EXCEL.EXE 1560 EXCEL.EXE 1560 EXCEL.EXE 1560 EXCEL.EXE 1560 EXCEL.EXE 1560 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEcmd.exedescription pid process target process PID 1560 wrote to memory of 1768 1560 EXCEL.EXE cmd.exe PID 1560 wrote to memory of 1768 1560 EXCEL.EXE cmd.exe PID 1560 wrote to memory of 4772 1560 EXCEL.EXE cmd.exe PID 1560 wrote to memory of 4772 1560 EXCEL.EXE cmd.exe PID 1560 wrote to memory of 2104 1560 EXCEL.EXE cmd.exe PID 1560 wrote to memory of 2104 1560 EXCEL.EXE cmd.exe PID 1768 wrote to memory of 2316 1768 cmd.exe attrib.exe PID 1768 wrote to memory of 2316 1768 cmd.exe attrib.exe -
Views/modifies file attributes 1 TTPs 1 IoCs
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\f6297c8027a1248e39016b157107ad32ef599831a95058ca9441ba28833c495b.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.exeC:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\attrib.exeattrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"3⤵
- Views/modifies file attributes
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"2⤵
- Process spawned unexpected child process
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"2⤵
- Process spawned unexpected child process
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/1560-138-0x00007FFEB5DC0000-0x00007FFEB5DD0000-memory.dmpFilesize
64KB
-
memory/1560-146-0x00007FFEB8610000-0x00007FFEB8620000-memory.dmpFilesize
64KB
-
memory/1560-134-0x00007FFEB8610000-0x00007FFEB8620000-memory.dmpFilesize
64KB
-
memory/1560-136-0x00007FFEB8610000-0x00007FFEB8620000-memory.dmpFilesize
64KB
-
memory/1560-135-0x00007FFEB8610000-0x00007FFEB8620000-memory.dmpFilesize
64KB
-
memory/1560-137-0x00007FFEB5DC0000-0x00007FFEB5DD0000-memory.dmpFilesize
64KB
-
memory/1560-133-0x00007FFEB8610000-0x00007FFEB8620000-memory.dmpFilesize
64KB
-
memory/1560-147-0x00007FFEB8610000-0x00007FFEB8620000-memory.dmpFilesize
64KB
-
memory/1560-132-0x00007FFEB8610000-0x00007FFEB8620000-memory.dmpFilesize
64KB
-
memory/1560-144-0x00007FFEB8610000-0x00007FFEB8620000-memory.dmpFilesize
64KB
-
memory/1560-145-0x00007FFEB8610000-0x00007FFEB8620000-memory.dmpFilesize
64KB
-
memory/1768-139-0x0000000000000000-mapping.dmp
-
memory/2104-141-0x0000000000000000-mapping.dmp
-
memory/2316-142-0x0000000000000000-mapping.dmp
-
memory/4772-140-0x0000000000000000-mapping.dmp