Analysis
-
max time kernel
117s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
25/07/2024, 18:30
Static task
static1
Behavioral task
behavioral1
Sample
70becffdf2b12b7ec3d53c0fcca1630e_JaffaCakes118.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
70becffdf2b12b7ec3d53c0fcca1630e_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
-
Target
70becffdf2b12b7ec3d53c0fcca1630e_JaffaCakes118.exe
-
Size
36KB
-
MD5
70becffdf2b12b7ec3d53c0fcca1630e
-
SHA1
53500e57ac7861db5b568eab373a1ed70eeeaf87
-
SHA256
963a84dcdddcdd37455c9eb1c1bf28a19543af6b06e5ad38cc01fdf95112a82b
-
SHA512
4397b77ff68a94e05a64d96125992d08f9a508e65801e924794f3d531cb929e072e6742e6df3349e0de62d274ee5de5cb0a510a4687c3af50ada1d0888eaa2e4
-
SSDEEP
768:57M53+uR7IalxCNYX5LDLexCGGUewvApVBukfIGt96pxHc:57a3TuamNY9DLGFYXBF96pS
Malware Config
Signatures
-
Adds policy Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run 70becffdf2b12b7ec3d53c0fcca1630e_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\system = "C:\\Windows\\csrss.exe" 70becffdf2b12b7ec3d53c0fcca1630e_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 1728 csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\csrss.exe 70becffdf2b12b7ec3d53c0fcca1630e_JaffaCakes118.exe File opened for modification C:\Windows\41646D696BFD4706_ie-hook.txt csrss.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 70becffdf2b12b7ec3d53c0fcca1630e_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1040 70becffdf2b12b7ec3d53c0fcca1630e_JaffaCakes118.exe Token: SeDebugPrivilege 1728 csrss.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1040 wrote to memory of 1728 1040 70becffdf2b12b7ec3d53c0fcca1630e_JaffaCakes118.exe 30 PID 1040 wrote to memory of 1728 1040 70becffdf2b12b7ec3d53c0fcca1630e_JaffaCakes118.exe 30 PID 1040 wrote to memory of 1728 1040 70becffdf2b12b7ec3d53c0fcca1630e_JaffaCakes118.exe 30 PID 1040 wrote to memory of 1728 1040 70becffdf2b12b7ec3d53c0fcca1630e_JaffaCakes118.exe 30
Processes
-
C:\Users\Admin\AppData\Local\Temp\70becffdf2b12b7ec3d53c0fcca1630e_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\70becffdf2b12b7ec3d53c0fcca1630e_JaffaCakes118.exe"1⤵
- Adds policy Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1040 -
C:\Windows\csrss.exe"C:\Windows\csrss.exe"2⤵
- Executes dropped EXE
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1728
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
36KB
MD570becffdf2b12b7ec3d53c0fcca1630e
SHA153500e57ac7861db5b568eab373a1ed70eeeaf87
SHA256963a84dcdddcdd37455c9eb1c1bf28a19543af6b06e5ad38cc01fdf95112a82b
SHA5124397b77ff68a94e05a64d96125992d08f9a508e65801e924794f3d531cb929e072e6742e6df3349e0de62d274ee5de5cb0a510a4687c3af50ada1d0888eaa2e4