gh0strat | 38f3e8f3eaa146b7d24fc35b01a8b711cec828205879cf5baad4fd548bde0a73

General

Target

JaffaCakes118_389def358262aee04d1a7fc5cbe1572f.exe
Size

58KB
MD5

389def358262aee04d1a7fc5cbe1572f
SHA1

001435cc319e22d60c457f896461012dea714491
SHA256

38f3e8f3eaa146b7d24fc35b01a8b711cec828205879cf5baad4fd548bde0a73
SHA512

2887f7cc0eb0da2dcd0513a918bab27e3267d376f956282ff9aff8d1277202865296af630fe9cc376b3df2ac8323510c2411897752f1be931444533e020dbd69
SSDEEP

1536:N7yxiWeexIhxb+g86PKwQJvIzp9fuPfXdCeC:NyxiWeeehp+NwQBIttuHsH

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 5 IoCs

resource	yara_rule
behavioral1/files/0x00080000000120ff-2.dat	family_gh0strat
behavioral1/memory/2080-9-0x0000000010000000-0x000000001001F000-memory.dmp	family_gh0strat
behavioral1/memory/348-10-0x0000000010000000-0x000000001001F000-memory.dmp	family_gh0strat
behavioral1/memory/348-11-0x0000000000400000-0x0000000000434000-memory.dmp	family_gh0strat
behavioral1/memory/1804-12-0x0000000010000000-0x000000001001F000-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\36OService\Parameters\ServiceDll = "C:\\Windows\\system32\\36OService.dll"	rundll32.exe

Deletes itself 1 IoCs

pid	Process
1252	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
348	JaffaCakes118_389def358262aee04d1a7fc5cbe1572f.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\36OService.ini	JaffaCakes118_389def358262aee04d1a7fc5cbe1572f.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_389def358262aee04d1a7fc5cbe1572f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	348	JaffaCakes118_389def358262aee04d1a7fc5cbe1572f.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 348 wrote to memory of 2080	348	JaffaCakes118_389def358262aee04d1a7fc5cbe1572f.exe	30
PID 348 wrote to memory of 2080	348	JaffaCakes118_389def358262aee04d1a7fc5cbe1572f.exe	30
PID 348 wrote to memory of 2080	348	JaffaCakes118_389def358262aee04d1a7fc5cbe1572f.exe	30
PID 348 wrote to memory of 2080	348	JaffaCakes118_389def358262aee04d1a7fc5cbe1572f.exe	30
PID 348 wrote to memory of 2080	348	JaffaCakes118_389def358262aee04d1a7fc5cbe1572f.exe	30
PID 348 wrote to memory of 2080	348	JaffaCakes118_389def358262aee04d1a7fc5cbe1572f.exe	30
PID 348 wrote to memory of 2080	348	JaffaCakes118_389def358262aee04d1a7fc5cbe1572f.exe	30
PID 348 wrote to memory of 1252	348	JaffaCakes118_389def358262aee04d1a7fc5cbe1572f.exe	32
PID 348 wrote to memory of 1252	348	JaffaCakes118_389def358262aee04d1a7fc5cbe1572f.exe	32
PID 348 wrote to memory of 1252	348	JaffaCakes118_389def358262aee04d1a7fc5cbe1572f.exe	32
PID 348 wrote to memory of 1252	348	JaffaCakes118_389def358262aee04d1a7fc5cbe1572f.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_389def358262aee04d1a7fc5cbe1572f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_389def358262aee04d1a7fc5cbe1572f.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:348
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Windows\system32\36OService.dll setup
  2⤵
  - Server Software Component: Terminal Services DLL
  - System Location Discovery: System Language Discovery
  PID:2080
- 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:1252

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- System Location Discovery: System Language Discovery
PID:1804

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

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Downloads

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

Filesize
120KB

MD5
c6919874d1839684c87d98438f9f4ed5

SHA1
34cce91d12ecf5cdd7dd409dcf11ae9ad85f7563

SHA256
e2c5bcb514cb6baecc716890af6e731c9a094964bb3aa6b5d643297c6e27b31d

SHA512
344d8bba0cabc612f61e264bf4490c1a39d2d299947e64cd55beda117187750c3833f1d994d8c3dbcdd8e217eec5aebad4e07f5b4e020e438df74e926030ec75

Download Submit
memory/348-0-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/348-4-0x0000000000270000-0x0000000000272000-memory.dmp

Filesize
8KB

Download
memory/348-10-0x0000000010000000-0x000000001001F000-memory.dmp

Filesize
124KB

Download
memory/348-11-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1804-12-0x0000000010000000-0x000000001001F000-memory.dmp

Filesize
124KB

Download
memory/2080-9-0x0000000010000000-0x000000001001F000-memory.dmp

Filesize
124KB

Download

Analysis

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