Analysis
-
max time kernel
2s -
max time network
5s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
16-08-2024 22:46
Static task
static1
Behavioral task
behavioral1
Sample
a03c9ec90eb52357527b0c06954976bc_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
a03c9ec90eb52357527b0c06954976bc_JaffaCakes118.exe
Resource
win10v2004-20240802-en
Errors
General
-
Target
a03c9ec90eb52357527b0c06954976bc_JaffaCakes118.exe
-
Size
92KB
-
MD5
a03c9ec90eb52357527b0c06954976bc
-
SHA1
c5702edd70173175b4d6a8cc4928cc40ea4eccea
-
SHA256
4c5cf5ef8df5a339490c46d3c3a3c33f1c79a9a4f9a0b5b03287c2eb8b66b229
-
SHA512
633301aec8aa1e34ecf1cd209f4a176f8a2659c0d3437fb49b3d5ae2eaa82a76cd67b369bb4f5962042546dca7000b3bd403bbde636000a0d1d9632721e41121
-
SSDEEP
1536:Jo/JuuolTtNAkUc+XWlZSjZHvmkna/0V1x/EXhSNbxnEIoxMWNLzMo:kJuplTt/UvXWlQjZHBg0V1iStxaxxlzv
Malware Config
Signatures
-
Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
-
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\kuixwsi.dll a03c9ec90eb52357527b0c06954976bc_JaffaCakes118.exe -
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 a03c9ec90eb52357527b0c06954976bc_JaffaCakes118.exe -
Modifies data under HKEY_USERS 15 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "126" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent LogonUI.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00 LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" LogonUI.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 2132 a03c9ec90eb52357527b0c06954976bc_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4184 LogonUI.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\a03c9ec90eb52357527b0c06954976bc_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a03c9ec90eb52357527b0c06954976bc_JaffaCakes118.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2132
-
C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa39f0855 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4184