Analysis
-
max time kernel
3s -
max time network
7s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
06/09/2024, 07:24
Static task
static1
Behavioral task
behavioral1
Sample
cefd7d651a1453ea8070a77482f64e31_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
cefd7d651a1453ea8070a77482f64e31_JaffaCakes118.exe
Resource
win10v2004-20240802-en
Errors
General
-
Target
cefd7d651a1453ea8070a77482f64e31_JaffaCakes118.exe
-
Size
100KB
-
MD5
cefd7d651a1453ea8070a77482f64e31
-
SHA1
c3d044aac4b052a38642cfa93600476e64687161
-
SHA256
39c3532331ab8164d24ed698a9b0eed785def7eff5d724e4c4ff6e8af4992956
-
SHA512
88faa7bcee219914c94fc8ba01b6f9ede329195bda8cdb4696df6a02c032125ed61074aaa45fc0ae9a5e38f488d8c1e968d84abbe00a332be7c4dd0385ddabdb
-
SSDEEP
1536:i8SqRLmjK/qQd60/um3pUs43XlfXtCVFu+Mg0Yl5Lgo4zHYRIA:iMRL9iC/nU13XNP+x0YPLgo47Y
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\gexrdaj.dll cefd7d651a1453ea8070a77482f64e31_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 cefd7d651a1453ea8070a77482f64e31_JaffaCakes118.exe -
Modifies data under HKEY_USERS 15 IoCs
description ioc Process 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 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\StartColorMenu = "4288567808" 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM 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\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\ColorizationGlassAttribute = "1" 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\AccentColorMenu = "4292311040" 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\EnableWindowColorization = "58" LogonUI.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 3560 cefd7d651a1453ea8070a77482f64e31_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 320 LogonUI.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\cefd7d651a1453ea8070a77482f64e31_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\cefd7d651a1453ea8070a77482f64e31_JaffaCakes118.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3560
-
C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa3998855 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:320