Analysis
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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
21-09-2024 23:16
Static task
static1
Behavioral task
behavioral1
Sample
f0cf03d3a72a79a5fc74e68f3bfa9c9c_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f0cf03d3a72a79a5fc74e68f3bfa9c9c_JaffaCakes118.exe
Resource
win10v2004-20240802-en
Errors
General
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Target
f0cf03d3a72a79a5fc74e68f3bfa9c9c_JaffaCakes118.exe
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Size
100KB
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MD5
f0cf03d3a72a79a5fc74e68f3bfa9c9c
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SHA1
3f92228a7a8609fbda1bbcbfd369372661541a6e
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SHA256
1336151bcc3f2d1c7ae3f782388d5ab5f7a489b989e4c64ef16215638cd3891d
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SHA512
863392c182739d78ea2e2b967d86ca2c5a9b4d9a2f7e01ebcdaf677ae5ce9ede6d9b49aa06d062e056769243688d4812c802109ae88356d53ba03acf22724c00
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SSDEEP
3072:ePB+MnvZUKzk/HOsS6+Piq9B43kykTsRgo7kY:6rnBFzk/HOsSNE78FY
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\caqytfc.dll f0cf03d3a72a79a5fc74e68f3bfa9c9c_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 f0cf03d3a72a79a5fc74e68f3bfa9c9c_JaffaCakes118.exe -
Modifies data under HKEY_USERS 15 IoCs
description ioc Process 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\ColorizationGlassAttribute = "1" 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\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\EnableWindowColorization = "182" 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM 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 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 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 2928 f0cf03d3a72a79a5fc74e68f3bfa9c9c_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3692 LogonUI.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f0cf03d3a72a79a5fc74e68f3bfa9c9c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f0cf03d3a72a79a5fc74e68f3bfa9c9c_JaffaCakes118.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2928
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa3996855 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:3692