gh0strat | df0db4dab70469420141195b5cb2faec0182a32601573c447dc9ec6f0cc9d98f

General

Target

JaffaCakes118_c0e7ae37e6873342d5477074b8c71243.exe
Size

184KB
MD5

c0e7ae37e6873342d5477074b8c71243
SHA1

0f2ade272fa2846a44bb0cafc9837ca3da684f55
SHA256

df0db4dab70469420141195b5cb2faec0182a32601573c447dc9ec6f0cc9d98f
SHA512

9bb08a6059361a1492c43523cdb46e2a3110582424302b552bc79dc5fc555eaba46cb759671928c68c65198a715471c3ec7870534efb48e22c9145fd1bfa9453
SSDEEP

3072:NfJBs6WQx2cAnuvH7PPXH/+llxTU8EYxcEm0XB2Murob+:NJBs6WQUcAnYH7nX0lRU8EvEmcNurob

Score

10^/10

gh0strat bootkit discovery persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012270-2.dat	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat
Gh0strat family
gh0strat

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\fastuserswitchingcompatibility\Parameters\ServiceDll = "C:\\Windows\\system32\\ntfastuserswitchingcompatibility.dll"	JaffaCakes118_c0e7ae37e6873342d5477074b8c71243.exe

Deletes itself 1 IoCs

pid	Process
348	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
348	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.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ntfastuserswitchingcompatibility.dll	JaffaCakes118_c0e7ae37e6873342d5477074b8c71243.exe
File opened for modification	C:\Windows\SysWOW64\d2f5ca0e.del	JaffaCakes118_c0e7ae37e6873342d5477074b8c71243.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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_c0e7ae37e6873342d5477074b8c71243.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.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	svchost.exe

Modifies data under HKEY_USERS 6 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
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum\Version = "7"	svchost.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2520	JaffaCakes118_c0e7ae37e6873342d5477074b8c71243.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeBackupPrivilege	348	svchost.exe
Token: SeSecurityPrivilege	348	svchost.exe
Token: SeSecurityPrivilege	348	svchost.exe
Token: SeBackupPrivilege	348	svchost.exe
Token: SeSecurityPrivilege	348	svchost.exe
Token: SeBackupPrivilege	348	svchost.exe
Token: SeSecurityPrivilege	348	svchost.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c0e7ae37e6873342d5477074b8c71243.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c0e7ae37e6873342d5477074b8c71243.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2520

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- 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 use of AdjustPrivilegeToken
PID:348

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Defense Evasion

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\??\c:\windows\SysWOW64\ntfastuserswitchingcompatibility.dll

Filesize
148KB

MD5
1d73d3e58330178a7f92349ff0d88ede

SHA1
88e34564d921c368d27c74b35b27c49270172311

SHA256
70f55edcff86ce316a38426c3a8f242740539342d9285cd070c13d07b9e56d96

SHA512
6e63789526f1ce2b4c6d2e17c71a7431141176e76666b53cdb1eb9fd050d9e78022b62e2c90d23a0b347e5f3af834d4e1abe92986d21c6c90cd4cb5f6e0eb3c7

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads