Analysis
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max time kernel
3s -
max time network
8s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
23/07/2024, 11:48
Static task
static1
Behavioral task
behavioral1
Sample
6778d08e76cc4bde8cdec1f5ff2ffc01_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
6778d08e76cc4bde8cdec1f5ff2ffc01_JaffaCakes118.exe
Resource
win10v2004-20240709-en
Errors
General
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Target
6778d08e76cc4bde8cdec1f5ff2ffc01_JaffaCakes118.exe
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Size
100KB
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MD5
6778d08e76cc4bde8cdec1f5ff2ffc01
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SHA1
f4cf390b7c344f193c1ba75fb6ca1acebdd05822
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SHA256
ffb6d519724154a51989df3820139bed03abb14eeda0be3d35c2d01504b66e14
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SHA512
434364185a5322fa7b44bef45d6af37b6c93be5a8ef945e7602d5b42d54d8b62cd7a85ffeb43f237e925e85528d89c721aee67ddcbf73d94f40f473844c83cc6
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SSDEEP
1536:lOm9sJJL0VSXKvmEsPGVAUH+RbHZRnbUuTHM0mno+cJlId:lO/XAuTY+Rb5quTSnohJlId
Malware Config
Signatures
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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.
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Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\otylkwm.dll 6778d08e76cc4bde8cdec1f5ff2ffc01_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\DWM\ColorizationColor = "3288365271" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" 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\Themes\History\AutoColor = "0" 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\AccentColor = "4292311040" 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\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" 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 (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 = "74" LogonUI.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 3488 6778d08e76cc4bde8cdec1f5ff2ffc01_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 844 LogonUI.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6778d08e76cc4bde8cdec1f5ff2ffc01_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\6778d08e76cc4bde8cdec1f5ff2ffc01_JaffaCakes118.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:3488
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa399f055 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:844