gh0strat | b2282223cd9dca853771a8a6d16b38fe5674555ae844705748d18e42d123b60a

General

Target

JaffaCakes118_43305d696831d81542841405d6f59b9c.exe
Size

192KB
MD5

43305d696831d81542841405d6f59b9c
SHA1

bb739181f44eb8dcd22bce7ff35758fd0cbdc745
SHA256

b2282223cd9dca853771a8a6d16b38fe5674555ae844705748d18e42d123b60a
SHA512

36ccfdc94b9738bf703a22489a4b9ee8effddd1b0cae088af0d329b19592090f88dd61e855770fe55bf536658de919de5eb8e55e99d5e7daed31d323785116c2
SSDEEP

3072:N5R4Wn5maVTVPA/LJY3MYUbLxETgPsiq38H8wQ4/2udVzBDDPFrBGJtSo:j5maVTVPGLJY3JumTgPsz38ci/2uvzxj

Score

10^/10

gh0strat bootkit discovery persistence rat

Malware Config

Signatures

Gh0st RAT payload 4 IoCs

resource	yara_rule
behavioral2/files/0x000b000000023b80-3.dat	family_gh0strat
behavioral2/memory/1732-5-0x0000000010000000-0x0000000010028000-memory.dmp	family_gh0strat
behavioral2/memory/2184-6-0x0000000000400000-0x0000000000431000-memory.dmp	family_gh0strat
behavioral2/memory/1732-7-0x0000000010000000-0x0000000010028000-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
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:\\PROGRA~2\\hfbea\\hfbea.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
1732	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
1732	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 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\d2f5ca0e.del	JaffaCakes118_43305d696831d81542841405d6f59b9c.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\hfbea\hfbea.dll	JaffaCakes118_43305d696831d81542841405d6f59b9c.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_43305d696831d81542841405d6f59b9c.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 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 34 IoCs

pid	Process
2184	JaffaCakes118_43305d696831d81542841405d6f59b9c.exe
2184	JaffaCakes118_43305d696831d81542841405d6f59b9c.exe
1732	svchost.exe
1732	svchost.exe
1732	svchost.exe
1732	svchost.exe
1732	svchost.exe
1732	svchost.exe
1732	svchost.exe
1732	svchost.exe
1732	svchost.exe
1732	svchost.exe
1732	svchost.exe
1732	svchost.exe
1732	svchost.exe
1732	svchost.exe
1732	svchost.exe
1732	svchost.exe
1732	svchost.exe
1732	svchost.exe
1732	svchost.exe
1732	svchost.exe
1732	svchost.exe
1732	svchost.exe
1732	svchost.exe
1732	svchost.exe
1732	svchost.exe
1732	svchost.exe
1732	svchost.exe
1732	svchost.exe
1732	svchost.exe
1732	svchost.exe
1732	svchost.exe
1732	svchost.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeBackupPrivilege	2184	JaffaCakes118_43305d696831d81542841405d6f59b9c.exe
Token: SeRestorePrivilege	2184	JaffaCakes118_43305d696831d81542841405d6f59b9c.exe
Token: SeBackupPrivilege	1732	svchost.exe
Token: SeSecurityPrivilege	1732	svchost.exe
Token: SeSecurityPrivilege	1732	svchost.exe
Token: SeBackupPrivilege	1732	svchost.exe
Token: SeSecurityPrivilege	1732	svchost.exe
Token: SeBackupPrivilege	1732	svchost.exe
Token: SeSecurityPrivilege	1732	svchost.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43305d696831d81542841405d6f59b9c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43305d696831d81542841405d6f59b9c.exe"
1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2184

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs -s fastuserswitchingcompatibility
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:1732

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

Replay Monitor

Loading Replay Monitor...

Downloads

\??\c:\progra~2\hfbea\hfbea.dll

Filesize
152KB

MD5
5c35de48928bea1aae82802c2839d682

SHA1
05a5a7320c71eaeebf78d77dd2b7e3f6f8010688

SHA256
c5d7be9c2d9d306de09956d3089dc50816b5a9ac3937d1f6123a008c7b07afe9

SHA512
0536a64a21e6a2606425ab8e36b23e93348465a94e2a8b477e3ae27c63ab88e985c7638e3901d2b00b8fb3fb47450d804f7e765f0d054f08547e0ddb0ab47d75

Download Submit
memory/1732-5-0x0000000010000000-0x0000000010028000-memory.dmp

Filesize
160KB

Download
memory/1732-7-0x0000000010000000-0x0000000010028000-memory.dmp

Filesize
160KB

Download
memory/2184-0-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2184-6-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads