Analysis
- max time kernel
145s - max time network
149s - platform
windows10_x64 - resource
win10v20210408 - submitted
18/06/2021, 10:04
Static task
static1
Behavioral task
behavioral1
Sample
idea-1128721882.xlsm
Resource
win7v20210410
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
idea-1128721882.xlsm
Resource
win10v20210408
0 signatures
0 seconds
General
- Target idea-1128721882.xlsm
- Size 158KB
- Sample210618-6myym5mmxe
- SHA256 97c65fc5e4e6cb68141853ded39ca1e62b374430b80765b7f4a96244b44c58f5
- MD5 4828706cfc63ea3043b05456d2df8029
- SHA1 dafd2836f1c915451a47e7b0b320b8804f1b8990
- SHA512 9ec693c7eef54b56b592ed76ceacf94cd8e7de922f544b018568c12a49bc5e2a2e826a552d64ea8e4c2b46ac46608ae760903a93b6d1b6c0fab9d09d9fbfffd4
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Language
-
xlm4.0
Source
URLs
-
xlm40.dropper
https://astronomia-esp.com/j5KMREjY4/gg.html
-
xlm40.dropper
https://m-morsi.com/fDpJyn0aEyCB/gg.html
Signatures
- Process spawned unexpected child process 2 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 572 640 regsvr32.exe 66 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3324 640 regsvr32.exe 66 - Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description 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
description 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
pid Process 640 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 640 EXCEL.EXE 640 EXCEL.EXE - Suspicious use of SetWindowsHookEx 14 IoCs
pid Process 640 EXCEL.EXE 640 EXCEL.EXE 640 EXCEL.EXE 640 EXCEL.EXE 640 EXCEL.EXE 640 EXCEL.EXE 640 EXCEL.EXE 640 EXCEL.EXE 640 EXCEL.EXE 640 EXCEL.EXE 640 EXCEL.EXE 640 EXCEL.EXE 640 EXCEL.EXE 640 EXCEL.EXE - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 640 wrote to memory of 3988 640 EXCEL.EXE 75 PID 640 wrote to memory of 3988 640 EXCEL.EXE 75 PID 640 wrote to memory of 572 640 EXCEL.EXE 79 PID 640 wrote to memory of 572 640 EXCEL.EXE 79 PID 640 wrote to memory of 3324 640 EXCEL.EXE 80 PID 640 wrote to memory of 3324 640 EXCEL.EXE 80
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\idea-1128721882.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:640 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:3988
-
-
C:\Windows\SYSTEM32\regsvr32.exeregsvr32 ..\cexyz1.dll2⤵
- Process spawned unexpected child process
PID:572
-
-
C:\Windows\SYSTEM32\regsvr32.exeregsvr32 ..\cexyz2.dll2⤵
- Process spawned unexpected child process
PID:3324
-