gh0strat | 043180017d171e9967829967767cb46966745a1212e8048ba2acaaceaa0e8d95

General

Target

33ee7ce73daf9d4a9e5cb265b6c5f979_JaffaCakes118.exe
Size

188KB
MD5

33ee7ce73daf9d4a9e5cb265b6c5f979
SHA1

302dae98b294a4e473da22cb231d1f58315c4665
SHA256

043180017d171e9967829967767cb46966745a1212e8048ba2acaaceaa0e8d95
SHA512

710336dd362632d26c6260b0c1d4615da15cc5c7332ba7014ee77aa0e7e3d57d7c1c933b166f0f38a478cfd0f36ba2639afaf8600956d8061524caeb13cde80b
SSDEEP

3072:8yiX4+MacYJm96mQ6ZcPgAwAnEXrzMV0QVJwMY851vN/j8mEV3g9rS3jT4:9+Mac/967PgAP9zVJqOV/j/9rwT

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0007000000012118-4.dat	family_gh0strat
behavioral1/memory/2020-6-0x0000000010000000-0x0000000010028000-memory.dmp	family_gh0strat
behavioral1/memory/3024-7-0x0000000000400000-0x0000000000430000-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\\tchqv.map"	33ee7ce73daf9d4a9e5cb265b6c5f979_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\fastuserswitchingcompatibility\Parameters\ServiceDll = "C:\\Windows\\system32\\tchqv.map"	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
2020	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
2020	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	33ee7ce73daf9d4a9e5cb265b6c5f979_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\tchqv.map	33ee7ce73daf9d4a9e5cb265b6c5f979_JaffaCakes118.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\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 17 IoCs

pid	Process
3024	33ee7ce73daf9d4a9e5cb265b6c5f979_JaffaCakes118.exe
2020	svchost.exe
2020	svchost.exe
2020	svchost.exe
2020	svchost.exe
2020	svchost.exe
2020	svchost.exe
2020	svchost.exe
2020	svchost.exe
2020	svchost.exe
2020	svchost.exe
2020	svchost.exe
2020	svchost.exe
2020	svchost.exe
2020	svchost.exe
2020	svchost.exe
2020	svchost.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeBackupPrivilege	2020	svchost.exe
Token: SeSecurityPrivilege	2020	svchost.exe
Token: SeSecurityPrivilege	2020	svchost.exe
Token: SeBackupPrivilege	2020	svchost.exe
Token: SeSecurityPrivilege	2020	svchost.exe
Token: SeBackupPrivilege	2020	svchost.exe
Token: SeSecurityPrivilege	2020	svchost.exe

C:\Users\Admin\AppData\Local\Temp\33ee7ce73daf9d4a9e5cb265b6c5f979_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\33ee7ce73daf9d4a9e5cb265b6c5f979_JaffaCakes118.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:3024

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)
- Checks processor information in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2020

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\??\c:\windows\SysWOW64\tchqv.map

Filesize
152KB

MD5
3d3cbfb48f585434c3d20671e0affec1

SHA1
fcb6b140fb812586c758dbbcb6a99dfeb40ffed6

SHA256
27e424a6332afa31931ce2804d970a6f4fd830c0a38462b2ae8904146f5251ff

SHA512
4987b40b3325df13c66db764d4181bc9fd058519266db03fc77b0404b940847c9de4eeba1907ae48dd664267a309d3dc13100dbe297f462c8c030f956d55c44e

Download Submit
memory/2020-6-0x0000000010000000-0x0000000010028000-memory.dmp

Filesize
160KB

Download
memory/3024-0-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3024-1-0x00000000003B0000-0x00000000003E0000-memory.dmp

Filesize
192KB

Download
memory/3024-7-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads