Analysis
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max time kernel
130s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
10/03/2025, 13:49
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_5f7c0866651fbe19b04cfc2670c83d1d.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_5f7c0866651fbe19b04cfc2670c83d1d.exe
Resource
win10v2004-20250217-en
General
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Target
JaffaCakes118_5f7c0866651fbe19b04cfc2670c83d1d.exe
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Size
184KB
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MD5
5f7c0866651fbe19b04cfc2670c83d1d
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SHA1
b8f5e39ffbc2fa6eb28a76b15a9f6cfd6b3190dc
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SHA256
d119192879c2a562bee13ae8e8c181b35467d158f05aba046faa59df9b39940c
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SHA512
acf30927f611831e33b50e2fe3c221589b245c19fbeb9b2a4f871a98c14444c1269e59db2b8da0f1528090c4b8e227843909f5f90b864b1b5a91c934d5bf7d15
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SSDEEP
3072:3YIS0M2rZfx0ELb0cqmQvc5JAdOZshlFrIxVudVFa2+MCGn1clvaF2J76:3xM2rH0EvQ6JAdBcVudQM5QaAJ+
Malware Config
Signatures
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Gh0st RAT payload 1 IoCs
resource yara_rule behavioral2/files/0x000c000000023bf6-2.dat family_gh0strat -
Gh0strat family
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Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\fastuserswitchingcompatibility\parameters\servicedll = "C:\\Windows\\system32\\ujwsn.bmp" svchost.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\fastuserswitchingcompatibility\ImagePath = "%SystemRoot%\\System32\\svchost.exe -k netsvcs" svchost.exe -
Deletes itself 1 IoCs
pid Process 2236 svchost.exe -
Loads dropped DLL 1 IoCs
pid Process 2236 svchost.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 svchost.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\ujwsn.bmp JaffaCakes118_5f7c0866651fbe19b04cfc2670c83d1d.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 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 JaffaCakes118_5f7c0866651fbe19b04cfc2670c83d1d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz svchost.exe -
Modifies data under HKEY_USERS 5 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie svchost.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7" svchost.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2236 svchost.exe 2236 svchost.exe 2236 svchost.exe 2236 svchost.exe 2236 svchost.exe 2236 svchost.exe 2236 svchost.exe 2236 svchost.exe -
Suspicious use of AdjustPrivilegeToken 9 IoCs
description pid Process Token: SeBackupPrivilege 1868 JaffaCakes118_5f7c0866651fbe19b04cfc2670c83d1d.exe Token: SeRestorePrivilege 1868 JaffaCakes118_5f7c0866651fbe19b04cfc2670c83d1d.exe Token: SeBackupPrivilege 2236 svchost.exe Token: SeSecurityPrivilege 2236 svchost.exe Token: SeSecurityPrivilege 2236 svchost.exe Token: SeBackupPrivilege 2236 svchost.exe Token: SeSecurityPrivilege 2236 svchost.exe Token: SeBackupPrivilege 2236 svchost.exe Token: SeSecurityPrivilege 2236 svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5f7c0866651fbe19b04cfc2670c83d1d.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5f7c0866651fbe19b04cfc2670c83d1d.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1868
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k netsvcs -s fastuserswitchingcompatibility1⤵
- Server Software Component: Terminal Services DLL
- Sets service image path in registry
- Deletes itself
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2236
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Server Software Component
1Terminal Services DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
152KB
MD5b9ecb31014238038a0765a454f89d4c6
SHA1e368089461ffe6e045bb866e739794d29ef00889
SHA25625d86a0dbbbcd12d1684be8db3d650ddf2bb2346f8c00a39486ca0285577b004
SHA512d24b2afb6b39e7eb0ea10cc1208f1ffe630be1f51d132f978c9cf6a0ab20d014cf06bba3633daa32b38fa68114902a877fb115f609feb7bb7dc9951182dcb503