Analysis
-
max time kernel
137s -
max time network
137s -
platform
windows10_x64 -
resource
win10v200430 -
submitted
15/07/2020, 16:08
Static task
static1
Behavioral task
behavioral1
Sample
fea072ba3f7917af9c87c1a68ea7ee4c0ca39d6df8c5c71843771d198c045e50.xls
Resource
win7
Behavioral task
behavioral2
Sample
fea072ba3f7917af9c87c1a68ea7ee4c0ca39d6df8c5c71843771d198c045e50.xls
Resource
win10v200430
General
-
Target
fea072ba3f7917af9c87c1a68ea7ee4c0ca39d6df8c5c71843771d198c045e50.xls
-
Size
367KB
-
MD5
56a0b81c19d2d17c042e2b2c22744633
-
SHA1
cfb744ac8fdb24cf317d2e33802e878feddfd3e7
-
SHA256
fea072ba3f7917af9c87c1a68ea7ee4c0ca39d6df8c5c71843771d198c045e50
-
SHA512
9d195463a70cac76cdf30d667e1a891ede0a9f25edc1466f3ed955fdd85f65be283eb0d9dfbb872c9d37f00397c9e04ccb1843c478fd56fb09a29525ed37df0f
Malware Config
Signatures
-
Enumerates system info in registry 2 TTPs 3 IoCs
description 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 -
Enumerates connected drives 3 TTPs
-
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1492 EXCEL.EXE 1492 EXCEL.EXE 1492 EXCEL.EXE 1492 EXCEL.EXE 1492 EXCEL.EXE 1492 EXCEL.EXE 1492 EXCEL.EXE 1492 EXCEL.EXE 1492 EXCEL.EXE 1492 EXCEL.EXE 1492 EXCEL.EXE 1492 EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1492 EXCEL.EXE -
Process spawned unexpected child process 1 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 3436 1492 rundll32.exe 67 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1492 wrote to memory of 3436 1492 EXCEL.EXE 74 PID 1492 wrote to memory of 3436 1492 EXCEL.EXE 74 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description 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
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\fea072ba3f7917af9c87c1a68ea7ee4c0ca39d6df8c5c71843771d198c045e50.xls"1⤵
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of WriteProcessMemory
- Checks processor information in registry
PID:1492 -
C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\cLKxjLh\tIpHswX\ONCWNER.dll,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:3436
-