gh0strat | 14670d3fcfd36cc87ba01447111e140d8fe30d6ce981682457c9febe56e10683

General

Target

JaffaCakes118_4cc33d62e9f3dc5f6e742e10df5d5bd8.exe
Size

112KB
MD5

4cc33d62e9f3dc5f6e742e10df5d5bd8
SHA1

dfd96293ed116567979f17b83f05dda7dbbc8e35
SHA256

14670d3fcfd36cc87ba01447111e140d8fe30d6ce981682457c9febe56e10683
SHA512

d6a6d0e4b565189db9b03b34c87bf15290dec72b2f9edae20efe1a1638ef1eaaa38121cd2da29f6091d1f43e66552277af268ef63f82104432c3251c7ce61ac1
SSDEEP

3072:117xkgco223QbrJTxNaovxSJ3ovrPWSEjb3iBT1:117qg52BFTroJKrPSjb3iBT1

Score

10^/10

gh0strat discovery persistence rat vmprotect

Malware Config

Signatures

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/memory/1980-1-0x0000000000400000-0x0000000000444000-memory.dmp	family_gh0strat
behavioral1/files/0x000900000001202b-4.dat	family_gh0strat
behavioral1/memory/1948-10-0x0000000010000000-0x0000000010020000-memory.dmp	family_gh0strat
behavioral1/memory/1980-12-0x0000000000400000-0x0000000000444000-memory.dmp	family_gh0strat
behavioral1/memory/1980-11-0x0000000010000000-0x0000000010020000-memory.dmp	family_gh0strat
behavioral1/memory/2536-13-0x0000000010000000-0x0000000010020000-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\dirl\Parameters\ServiceDll = "C:\\Windows\\system32\\dirl.dll"	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
1980	JaffaCakes118_4cc33d62e9f3dc5f6e742e10df5d5bd8.exe

VMProtect packed file 3 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/memory/1980-0-0x0000000000400000-0x0000000000444000-memory.dmp	vmprotect
behavioral1/memory/1980-1-0x0000000000400000-0x0000000000444000-memory.dmp	vmprotect
behavioral1/memory/1980-12-0x0000000000400000-0x0000000000444000-memory.dmp	vmprotect

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\dirl.ini	JaffaCakes118_4cc33d62e9f3dc5f6e742e10df5d5bd8.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4cc33d62e9f3dc5f6e742e10df5d5bd8.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1980 wrote to memory of 1948	1980	JaffaCakes118_4cc33d62e9f3dc5f6e742e10df5d5bd8.exe	30
PID 1980 wrote to memory of 1948	1980	JaffaCakes118_4cc33d62e9f3dc5f6e742e10df5d5bd8.exe	30
PID 1980 wrote to memory of 1948	1980	JaffaCakes118_4cc33d62e9f3dc5f6e742e10df5d5bd8.exe	30
PID 1980 wrote to memory of 1948	1980	JaffaCakes118_4cc33d62e9f3dc5f6e742e10df5d5bd8.exe	30
PID 1980 wrote to memory of 1948	1980	JaffaCakes118_4cc33d62e9f3dc5f6e742e10df5d5bd8.exe	30
PID 1980 wrote to memory of 1948	1980	JaffaCakes118_4cc33d62e9f3dc5f6e742e10df5d5bd8.exe	30
PID 1980 wrote to memory of 1948	1980	JaffaCakes118_4cc33d62e9f3dc5f6e742e10df5d5bd8.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4cc33d62e9f3dc5f6e742e10df5d5bd8.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4cc33d62e9f3dc5f6e742e10df5d5bd8.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1980
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Windows\system32\dirl.dll setup
  2⤵
  - Server Software Component: Terminal Services DLL
  - System Location Discovery: System Language Discovery
  PID:1948

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- System Location Discovery: System Language Discovery
PID:2536

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

\Users\Admin\AppData\Local\Temp\Server.tmp

Filesize
124KB

MD5
e20253ff6ed3fae6235ea2f0eec7bc99

SHA1
17e2612009a7107d29fe89883b79f8ab873a6650

SHA256
b09ea63edaca6b649684eec0f930ca20462f8cbe94a52ba0c5c8f23616f52472

SHA512
6f4fabd62785d9de7452dec7c5395e9fddd5e22aa4ecd8bc6e54106400b09f37d91f9c0c267d19cc2c67d186daf0c515bf6123f18d8544ad67e9ffb54c04e7b3

Download Submit
memory/1948-10-0x0000000010000000-0x0000000010020000-memory.dmp

Filesize
128KB

Download
memory/1980-0-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1980-1-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1980-12-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1980-11-0x0000000010000000-0x0000000010020000-memory.dmp

Filesize
128KB

Download
memory/2536-13-0x0000000010000000-0x0000000010020000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing