Analysis
- max time kernel
150s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
01/04/2024, 13:38
Behavioral task
behavioral1
Sample
7271ee15b399bac71f6319dcea23421c_JaffaCakes118.xls
Resource
win7-20240221-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
7271ee15b399bac71f6319dcea23421c_JaffaCakes118.xls
Resource
win10v2004-20240226-en
7 signatures
150 seconds
General
- Target 7271ee15b399bac71f6319dcea23421c_JaffaCakes118.xls
- Size 247KB
- Sample240401-qxtv7sfb4y
- SHA256 774c805cc186133b0de250085da60ab848f6c81d414bdbef9479bf31620ef66e
- MD5 7271ee15b399bac71f6319dcea23421c
- SHA1 ecc9308dd9421918c47d07ac6680e91b7783a4cf
- SHA512 d84ba21d3fe23954207fe7fc65738e3a5872ba9a6b946250f0b893bff112b7f48ebec5310569e118524f65ed188eacb5583c69e158eba52f12cbdade90c0c52a
- SSDEEP 6144:5Kpb8rGYrMPe3q7Q0XV5xtuEsi8/dg59jWvcZZdtjq15OD7IvOEPD0lgvS3enw72:U9jFrjmkD7IvLDK3vLvfn1+20
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Language
-
xlm4.0
Source
URLs
-
xlm40.dropper
https://samtnpy.org/bveCGKTX/ghb.html
-
xlm40.dropper
https://massngo.org/dXKvyKV9v8c/ghb.html
-
xlm40.dropper
https://vathiriyar.org/uy0Tk0keJUr/ghb.html
Signatures
- Process spawned unexpected child process 3 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 5016 3048 regsvr32.exe 84 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4144 3048 regsvr32.exe 84 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4928 3048 regsvr32.exe 84 - 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 3048 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3048 EXCEL.EXE 3048 EXCEL.EXE - Suspicious use of SetWindowsHookEx 14 IoCs
pid Process 3048 EXCEL.EXE 3048 EXCEL.EXE 3048 EXCEL.EXE 3048 EXCEL.EXE 3048 EXCEL.EXE 3048 EXCEL.EXE 3048 EXCEL.EXE 3048 EXCEL.EXE 3048 EXCEL.EXE 3048 EXCEL.EXE 3048 EXCEL.EXE 3048 EXCEL.EXE 3048 EXCEL.EXE 3048 EXCEL.EXE - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3048 wrote to memory of 5016 3048 EXCEL.EXE 90 PID 3048 wrote to memory of 5016 3048 EXCEL.EXE 90 PID 3048 wrote to memory of 4144 3048 EXCEL.EXE 91 PID 3048 wrote to memory of 4144 3048 EXCEL.EXE 91 PID 3048 wrote to memory of 4928 3048 EXCEL.EXE 92 PID 3048 wrote to memory of 4928 3048 EXCEL.EXE 92
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\7271ee15b399bac71f6319dcea23421c_JaffaCakes118.xls"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:3048 -
C:\Windows\System32\regsvr32.exe"C:\Windows\System32\regsvr32.exe" C:\Datop\test.test2⤵
- Process spawned unexpected child process
PID:5016
-
-
C:\Windows\System32\regsvr32.exe"C:\Windows\System32\regsvr32.exe" C:\Datop\test1.test2⤵
- Process spawned unexpected child process
PID:4144
-
-
C:\Windows\System32\regsvr32.exe"C:\Windows\System32\regsvr32.exe" C:\Datop\test2.test2⤵
- Process spawned unexpected child process
PID:4928
-