Analysis Overview
SHA256
93d89249e93de9de89368ca9802700f7524bb3544d1792846978bfd484787b47
Threat Level: Likely malicious
The file 5e4b8716938c67585fc9ef03ba9d434b_JaffaCakes118 was found to be: Likely malicious.
Malicious Activity Summary
Modifies boot configuration data using bcdedit
Drops file in Drivers directory
Enables test signing to bypass driver trust controls
Executes dropped EXE
Indicator Removal: File Deletion
Drops file in Windows directory
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious behavior: RenamesItself
Modifies data under HKEY_USERS
Suspicious behavior: LoadsDriver
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-19 19:33
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-19 19:33
Reported
2024-10-19 19:33
Platform
win7-20240903-en
Max time kernel
0s
Max time network
12s
Command Line
Signatures
Modifies boot configuration data using bcdedit
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\system32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\system32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\system32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\system32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\system32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\system32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\system32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\system32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\system32\bcdedit.exe | N/A |
Enables test signing to bypass driver trust controls
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\system32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\system32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\system32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\system32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\system32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\system32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\system32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\system32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\system32\bcdedit.exe | N/A |
Indicator Removal: File Deletion
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\5e4b8716938c67585fc9ef03ba9d434b_JaffaCakes118.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\5e4b8716938c67585fc9ef03ba9d434b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5e4b8716938c67585fc9ef03ba9d434b_JaffaCakes118.exe"
C:\Windows\Installer\{F6AD043A-BB11-BB22-BD1F-0D589D267313}\syshost.exe
"C:\Windows\Installer\{F6AD043A-BB11-BB22-BD1F-0D589D267313}\syshost.exe" /service
C:\Windows\system32\bcdedit.exe
bcdedit.exe -set TESTSIGNING ON
C:\Windows\SysWOW64\cmd.exe
cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\ad0d72b2.tmp"
C:\Windows\system32\bcdedit.exe
bcdedit.exe -set TESTSIGNING ON
C:\Windows\system32\bcdedit.exe
bcdedit.exe -set TESTSIGNING ON
C:\Windows\system32\bcdedit.exe
bcdedit.exe -set TESTSIGNING ON
C:\Windows\system32\bcdedit.exe
bcdedit.exe -set TESTSIGNING ON
C:\Windows\system32\bcdedit.exe
bcdedit.exe -set TESTSIGNING ON
C:\Windows\system32\bcdedit.exe
bcdedit.exe -set TESTSIGNING ON
C:\Windows\system32\bcdedit.exe
bcdedit.exe -set TESTSIGNING ON
C:\Windows\system32\bcdedit.exe
bcdedit.exe -set TESTSIGNING ON
C:\Windows\system32\bcdedit.exe
bcdedit.exe -set TESTSIGNING ON
C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
Network
Files
memory/2192-0-0x0000000001FE0000-0x0000000002040000-memory.dmp
memory/2192-3-0x0000000000400000-0x000000000045A000-memory.dmp
memory/2776-5-0x0000000000400000-0x000000000045A000-memory.dmp
memory/2192-9-0x0000000000400000-0x0000000000435000-memory.dmp
memory/2776-10-0x0000000000400000-0x000000000045A000-memory.dmp
memory/2192-8-0x0000000000400000-0x000000000045A000-memory.dmp
memory/2776-7-0x0000000000400000-0x000000000045A000-memory.dmp
C:\Windows\Installer\{F6AD043A-BB11-BB22-BD1F-0D589D267313}\syshost.exe
| MD5 | 5e4b8716938c67585fc9ef03ba9d434b |
| SHA1 | 37a80a589511db39263bd13c11024c25063adb16 |
| SHA256 | 93d89249e93de9de89368ca9802700f7524bb3544d1792846978bfd484787b47 |
| SHA512 | 6b29d922b028e2a4658c5ac75834cd88eef19053083915f88f4c767b76b8664c6c628737e955154e45f1f195db0ec3a74c03915bd4c49f9e83fa9877eafdd54b |
memory/2192-1-0x0000000000400000-0x0000000000435000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-19 19:33
Reported
2024-10-19 19:34
Platform
win10v2004-20241007-en
Max time kernel
3s
Max time network
8s
Command Line
Signatures
Modifies boot configuration data using bcdedit
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SYSTEM32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\bcdedit.exe | N/A |
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\system32\drivers\e579d69.sys | C:\Windows\Installer\{35C3F1B4-A880-BB27-ABAC-0D798BB360A7}\syshost.exe | N/A |
Enables test signing to bypass driver trust controls
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SYSTEM32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\bcdedit.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\bcdedit.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Installer\{35C3F1B4-A880-BB27-ABAC-0D798BB360A7}\syshost.exe | N/A |
Indicator Removal: File Deletion
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\Installer\{35C3F1B4-A880-BB27-ABAC-0D798BB360A7}\syshost.exe.tmp | C:\Windows\Installer\{35C3F1B4-A880-BB27-ABAC-0D798BB360A7}\syshost.exe | N/A |
| File created | C:\Windows\Installer\{35C3F1B4-A880-BB27-ABAC-0D798BB360A7}\syshost.exe | C:\Users\Admin\AppData\Local\Temp\5e4b8716938c67585fc9ef03ba9d434b_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\Installer\{35C3F1B4-A880-BB27-ABAC-0D798BB360A7}\syshost.exe | C:\Users\Admin\AppData\Local\Temp\5e4b8716938c67585fc9ef03ba9d434b_JaffaCakes118.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\5e4b8716938c67585fc9ef03ba9d434b_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Installer\{35C3F1B4-A880-BB27-ABAC-0D798BB360A7}\syshost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00 | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" | C:\Windows\system32\LogonUI.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" | C:\Windows\system32\LogonUI.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "194" | C:\Windows\system32\LogonUI.exe | N/A |
Suspicious behavior: LoadsDriver
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5e4b8716938c67585fc9ef03ba9d434b_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Installer\{35C3F1B4-A880-BB27-ABAC-0D798BB360A7}\syshost.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\LogonUI.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\5e4b8716938c67585fc9ef03ba9d434b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5e4b8716938c67585fc9ef03ba9d434b_JaffaCakes118.exe"
C:\Windows\Installer\{35C3F1B4-A880-BB27-ABAC-0D798BB360A7}\syshost.exe
"C:\Windows\Installer\{35C3F1B4-A880-BB27-ABAC-0D798BB360A7}\syshost.exe" /service
C:\Windows\SysWOW64\cmd.exe
cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\688ec761.tmp"
C:\Windows\SYSTEM32\bcdedit.exe
bcdedit.exe -set TESTSIGNING ON
C:\Windows\SYSTEM32\bcdedit.exe
bcdedit.exe -set TESTSIGNING ON
C:\Windows\SYSTEM32\bcdedit.exe
bcdedit.exe -set TESTSIGNING ON
C:\Windows\SYSTEM32\bcdedit.exe
bcdedit.exe -set TESTSIGNING ON
C:\Windows\SYSTEM32\bcdedit.exe
bcdedit.exe -set TESTSIGNING ON
C:\Windows\SYSTEM32\bcdedit.exe
bcdedit.exe -set TESTSIGNING ON
C:\Windows\SYSTEM32\bcdedit.exe
bcdedit.exe -set TESTSIGNING ON
C:\Windows\SYSTEM32\bcdedit.exe
bcdedit.exe -set TESTSIGNING ON
C:\Windows\SYSTEM32\bcdedit.exe
bcdedit.exe -set TESTSIGNING ON
C:\Windows\SYSTEM32\bcdedit.exe
bcdedit.exe -set TESTSIGNING ON
C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa392b055 /state1:0x41c64e6d
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
Files
memory/1376-0-0x0000000002310000-0x0000000002370000-memory.dmp
memory/1376-1-0x0000000000400000-0x0000000000435000-memory.dmp
memory/1376-2-0x0000000000400000-0x000000000045A000-memory.dmp
C:\Windows\Installer\{35C3F1B4-A880-BB27-ABAC-0D798BB360A7}\syshost.exe
| MD5 | 5e4b8716938c67585fc9ef03ba9d434b |
| SHA1 | 37a80a589511db39263bd13c11024c25063adb16 |
| SHA256 | 93d89249e93de9de89368ca9802700f7524bb3544d1792846978bfd484787b47 |
| SHA512 | 6b29d922b028e2a4658c5ac75834cd88eef19053083915f88f4c767b76b8664c6c628737e955154e45f1f195db0ec3a74c03915bd4c49f9e83fa9877eafdd54b |
memory/4788-6-0x0000000000400000-0x000000000045A000-memory.dmp
memory/4788-7-0x0000000000400000-0x000000000045A000-memory.dmp
memory/1376-11-0x0000000000400000-0x0000000000435000-memory.dmp
memory/1376-10-0x0000000000400000-0x000000000045A000-memory.dmp
memory/4788-13-0x0000000000400000-0x000000000045A000-memory.dmp