Analysis
-
max time kernel
3s -
max time network
6s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
23/08/2024, 00:21
Static task
static1
Behavioral task
behavioral1
Sample
b9a403bbb31937ca0d6d017ea011c4a6_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
b9a403bbb31937ca0d6d017ea011c4a6_JaffaCakes118.exe
Resource
win10v2004-20240802-en
Errors
General
-
Target
b9a403bbb31937ca0d6d017ea011c4a6_JaffaCakes118.exe
-
Size
100KB
-
MD5
b9a403bbb31937ca0d6d017ea011c4a6
-
SHA1
0fc9a365aabcde096c606125b443340577811b2d
-
SHA256
5e96e8c393330c34ff58325b87ff9ba1dd88ba1bd7f602dd568a275e5badab0c
-
SHA512
dd70d80523bd8fb6c3beaa287a9a12ea65215514135e199aaf1afa9f11449c4488f6cc7615b4b5060b3cd075f5034e2a43c932d6c921b8f698aea6ec973a0639
-
SSDEEP
3072:ebN6Jj37gutX3n93X32LPpY/5yA4ykTsRgo7kY:eba8gX3n93X3sPa/5LP8FY
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\duovjcf.dll b9a403bbb31937ca0d6d017ea011c4a6_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 b9a403bbb31937ca0d6d017ea011c4a6_JaffaCakes118.exe -
Modifies data under HKEY_USERS 15 IoCs
description ioc Process 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\ColorizationColorBalance = "89" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent 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\ColorizationAfterglowBalance = "10" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" 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\AccentColor = "4292311040" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM 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\EnableWindowColorization = "66" 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 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 4476 b9a403bbb31937ca0d6d017ea011c4a6_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 428 LogonUI.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\b9a403bbb31937ca0d6d017ea011c4a6_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b9a403bbb31937ca0d6d017ea011c4a6_JaffaCakes118.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4476
-
C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa396d055 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:428