gh0strat | 5a3cbb5b117a6af5a470f06677af7086fedf25c6b00826b83a7877de251d2fa7

General

Target

JaffaCakes118_49d3e62c23c065e2682c4cc073d6e4ef.exe
Size

126KB
MD5

49d3e62c23c065e2682c4cc073d6e4ef
SHA1

7d54ae1b6fbbeff6e5db1a7bafb72f9b56114b4a
SHA256

5a3cbb5b117a6af5a470f06677af7086fedf25c6b00826b83a7877de251d2fa7
SHA512

7c1741a6fd7407b8385b806185305c8ede4afcdd2eaa11f4381852c1c76e9e8405e2e0a9abba92e89f6f909af51214fb2aeff935f67a265dacf2ed8014ccebc7
SSDEEP

3072:uWjdua1hf1papv4/4ArMVUtqzzDXP9ehTcnmZ:bVD/4ArhAznlOG

Score

10^/10

gh0strat defense_evasion discovery persistence rat

Malware Config

Signatures

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/1916-15-0x0000000010000000-0x0000000010230000-memory.dmp	family_gh0strat
behavioral1/memory/2000-21-0x0000000010000000-0x0000000010230000-memory.dmp	family_gh0strat
behavioral1/memory/2000-23-0x0000000010000000-0x0000000010230000-memory.dmp	family_gh0strat
behavioral1/memory/2000-24-0x0000000010000000-0x0000000010230000-memory.dmp	family_gh0strat
behavioral1/memory/1916-26-0x0000000010000000-0x0000000010230000-memory.dmp	family_gh0strat
behavioral1/memory/2000-27-0x0000000010000000-0x0000000010230000-memory.dmp	family_gh0strat
behavioral1/memory/1916-32-0x0000000010000000-0x0000000010230000-memory.dmp	family_gh0strat
behavioral1/memory/2000-33-0x0000000010000000-0x0000000010230000-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\210107218\Parameters\ServiceDll = "C:\\Windows\\system32\\210107218.dll"	JaffaCakes118_49d3e62c23c065e2682c4cc073d6e4ef.exe

Deletes itself 1 IoCs

pid	Process
2920	cmd.exe

Loads dropped DLL 5 IoCs

pid	Process
1916	svchost.exe
2000	rundll32.exe
2000	rundll32.exe
2000	rundll32.exe
2000	rundll32.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\210107218.dll	JaffaCakes118_49d3e62c23c065e2682c4cc073d6e4ef.exe
File opened for modification	C:\Windows\SysWOW64\210107218.dll	JaffaCakes118_49d3e62c23c065e2682c4cc073d6e4ef.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	JaffaCakes118_49d3e62c23c065e2682c4cc073d6e4ef.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2076	JaffaCakes118_49d3e62c23c065e2682c4cc073d6e4ef.exe
Token: SeDebugPrivilege	1916	svchost.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 2920	2076	JaffaCakes118_49d3e62c23c065e2682c4cc073d6e4ef.exe	31
PID 2076 wrote to memory of 2920	2076	JaffaCakes118_49d3e62c23c065e2682c4cc073d6e4ef.exe	31
PID 2076 wrote to memory of 2920	2076	JaffaCakes118_49d3e62c23c065e2682c4cc073d6e4ef.exe	31
PID 2076 wrote to memory of 2920	2076	JaffaCakes118_49d3e62c23c065e2682c4cc073d6e4ef.exe	31
PID 1916 wrote to memory of 2000	1916	svchost.exe	32
PID 1916 wrote to memory of 2000	1916	svchost.exe	32
PID 1916 wrote to memory of 2000	1916	svchost.exe	32
PID 1916 wrote to memory of 2000	1916	svchost.exe	32
PID 1916 wrote to memory of 2000	1916	svchost.exe	32
PID 1916 wrote to memory of 2000	1916	svchost.exe	32
PID 1916 wrote to memory of 2000	1916	svchost.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_49d3e62c23c065e2682c4cc073d6e4ef.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_49d3e62c23c065e2682c4cc073d6e4ef.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2076
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\JAFFAC~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2920

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k 210107218
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe c:\windows\system32\210107218.dll, ServiceMain
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2000

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

Indicator Removal

1

T1070

File Deletion

1

T1070.004

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1916-13-0x0000000010000000-0x0000000010230000-memory.dmp

Filesize
2.2MB

Download
memory/1916-32-0x0000000010000000-0x0000000010230000-memory.dmp

Filesize
2.2MB

Download
memory/1916-26-0x0000000010000000-0x0000000010230000-memory.dmp

Filesize
2.2MB

Download
memory/1916-15-0x0000000010000000-0x0000000010230000-memory.dmp

Filesize
2.2MB

Download
memory/1916-14-0x0000000000020000-0x0000000000023000-memory.dmp

Filesize
12KB

Download
memory/2000-25-0x000000001022E000-0x000000001022F000-memory.dmp

Filesize
4KB

Download
memory/2000-21-0x0000000010000000-0x0000000010230000-memory.dmp

Filesize
2.2MB

Download
memory/2000-23-0x0000000010000000-0x0000000010230000-memory.dmp

Filesize
2.2MB

Download
memory/2000-24-0x0000000010000000-0x0000000010230000-memory.dmp

Filesize
2.2MB

Download
memory/2000-27-0x0000000010000000-0x0000000010230000-memory.dmp

Filesize
2.2MB

Download
memory/2000-33-0x0000000010000000-0x0000000010230000-memory.dmp

Filesize
2.2MB

Download
memory/2076-10-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/2076-11-0x0000000000401000-0x000000000041D000-memory.dmp

Filesize
112KB

Download
memory/2076-0-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/2076-2-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/2076-3-0x0000000000401000-0x000000000041D000-memory.dmp

Filesize
112KB

Download
memory/2076-4-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/2076-5-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download

Analysis

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