gh0strat | d62c79b5cd02a59cd88dfbf4b2b6a694b53421de75f5ce075b45587731e77da5

General

Target

84a79dffccd7010b0aa1f232621d9963_JaffaCakes118.exe
Size

192KB
MD5

84a79dffccd7010b0aa1f232621d9963
SHA1

8a35e62e044bee0dfc7dcbd5093a2ba5453256cd
SHA256

d62c79b5cd02a59cd88dfbf4b2b6a694b53421de75f5ce075b45587731e77da5
SHA512

ab93555979e36b25e4fd8b2e16f515f0888a77a642d59e02e400af45606b724a9dcc524a4accf3888e0c86c61640bcb0339e56aa2fa759702fbbc1b0b814a3a7
SSDEEP

3072:8JsX8GaVAkWVgWl8wxNOTR7FR+23HoPikE7vQdqt7oLVRW7tdwi:HaViV35xNC3rHo6PvyLVM/w

Score

10^/10

gh0strat bootkit discovery persistence rat

Malware Config

Signatures

Gh0st RAT payload 5 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001202c-5.dat	family_gh0strat
behavioral1/memory/2288-7-0x0000000010000000-0x0000000010028000-memory.dmp	family_gh0strat
behavioral1/memory/1964-8-0x0000000000400000-0x0000000000431000-memory.dmp	family_gh0strat
behavioral1/memory/2288-9-0x0000000010000000-0x0000000010028000-memory.dmp	family_gh0strat
behavioral1/memory/2288-10-0x0000000010000000-0x0000000010028000-memory.dmp	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

Server Software Component: Terminal Services DLL 1 TTPs 2 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\fastuserswitchingcompatibility\Parameters\ServiceDll = "C:\\Windows\\system32\\lodww.dll"	84a79dffccd7010b0aa1f232621d9963_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\fastuserswitchingcompatibility\Parameters\ServiceDll = "C:\\Windows\\system32\\lodww.dll"	svchost.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

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
2288	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
2288	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\d2f5ca0e.del	84a79dffccd7010b0aa1f232621d9963_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\lodww.dll	84a79dffccd7010b0aa1f232621d9963_JaffaCakes118.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	84a79dffccd7010b0aa1f232621d9963_JaffaCakes118.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 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 6 IoCs

description	ioc	Process
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
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

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
1964	84a79dffccd7010b0aa1f232621d9963_JaffaCakes118.exe
2288	svchost.exe
2288	svchost.exe
2288	svchost.exe
2288	svchost.exe
2288	svchost.exe
2288	svchost.exe
2288	svchost.exe
2288	svchost.exe
2288	svchost.exe
2288	svchost.exe
2288	svchost.exe
2288	svchost.exe
2288	svchost.exe
2288	svchost.exe
2288	svchost.exe
2288	svchost.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeBackupPrivilege	2288	svchost.exe
Token: SeSecurityPrivilege	2288	svchost.exe
Token: SeSecurityPrivilege	2288	svchost.exe
Token: SeBackupPrivilege	2288	svchost.exe
Token: SeSecurityPrivilege	2288	svchost.exe
Token: SeBackupPrivilege	2288	svchost.exe
Token: SeSecurityPrivilege	2288	svchost.exe

C:\Users\Admin\AppData\Local\Temp\84a79dffccd7010b0aa1f232621d9963_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\84a79dffccd7010b0aa1f232621d9963_JaffaCakes118.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1964

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- 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:2288

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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\lodww.dll

Filesize
152KB

MD5
cb6e2d7b7a5b15c4d88920cfcc2b7bd5

SHA1
82fe84a17f62dc38dd1c5efb1cc3dfceadb8bd12

SHA256
1858487b1acfec02b862aace3f2123d17b44119ca424a2addf7d54d29ce6b925

SHA512
5c72d7cbcd69c63d0a46d0acd9f59fc2527c9d6e20b9bcc9ee82d688fa47ae5dc2055bd92661a07a299d629444f982be99955ea9a51c2a125144f31e27dba2bf

Download Submit
memory/1964-0-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/1964-1-0x00000000001C0000-0x00000000001F1000-memory.dmp

Filesize
196KB

Download
memory/1964-2-0x00000000001C0000-0x00000000001F1000-memory.dmp

Filesize
196KB

Download
memory/1964-8-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2288-7-0x0000000010000000-0x0000000010028000-memory.dmp

Filesize
160KB

Download
memory/2288-9-0x0000000010000000-0x0000000010028000-memory.dmp

Filesize
160KB

Download
memory/2288-10-0x0000000010000000-0x0000000010028000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads