Analysis
-
max time kernel
3s -
max time network
4s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
18/08/2024, 22:44
Static task
static1
Behavioral task
behavioral1
Sample
a8839c323c11d6bb7e135528b4dd535a_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
a8839c323c11d6bb7e135528b4dd535a_JaffaCakes118.exe
Resource
win10v2004-20240802-en
Errors
General
-
Target
a8839c323c11d6bb7e135528b4dd535a_JaffaCakes118.exe
-
Size
104KB
-
MD5
a8839c323c11d6bb7e135528b4dd535a
-
SHA1
781eafd1d021ece72668ccd6ed8f82a5aa204ce5
-
SHA256
5790f7bd69f79d7366fb721c5ccd88fb211bf6700ad841fa247cb24040ad6580
-
SHA512
d28ba746086b2ccf765ba92deecf5bca5612932a6c2d45dfc8b4bd900b5aeb3353e59c269cbbd7c1c5b5c4210bf98b440d3b0340b43909eb6a04fa117b02bf12
-
SSDEEP
3072:ljpY4bqzHGc6OpYDwEQnAMAVlgnf/ebBgyoD0:lu4bUHDRZnZAL+OqG
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\axpxuea.dll a8839c323c11d6bb7e135528b4dd535a_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 a8839c323c11d6bb7e135528b4dd535a_JaffaCakes118.exe -
Modifies data under HKEY_USERS 15 IoCs
description ioc Process 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\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM 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\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\Themes\History 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\ColorizationColorBalance = "89" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" 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 = "233" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent 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\DWM\ColorizationColor = "3288365271" LogonUI.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 3712 a8839c323c11d6bb7e135528b4dd535a_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 816 LogonUI.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\a8839c323c11d6bb7e135528b4dd535a_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a8839c323c11d6bb7e135528b4dd535a_JaffaCakes118.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3712
-
C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa399f055 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:816