gh0strat | a6b4f60f243d338998b61d2ce411460e8f55ba1549823a8db595d3c16e23e724

General

Target

JaffaCakes118_5882be5ac896bc4449218b021b83e4ca.exe
Size

1.4MB
MD5

5882be5ac896bc4449218b021b83e4ca
SHA1

991f9070e81d406da545ab260865f95de5630d55
SHA256

a6b4f60f243d338998b61d2ce411460e8f55ba1549823a8db595d3c16e23e724
SHA512

9e6c5362ac531a0dc1eb8d518c60b47e13b10f204af06e0b2f13eedcfb77a7010c9d7a7819e3b65a592f6a91d09380b180811c7055b1d44f61ab77260aff8783
SSDEEP

24576:nbej8Qxl/rPlFADavc8g/p3MnRK4jys2clU6vV5Dk8FmOZRdcBsBPqf4W+Iosf5:WtxlhF7v1gR8nRNQIJBoOZ/Potq

Score

10^/10

gh0strat defense_evasion discovery persistence rat

Malware Config

Signatures

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/memory/2968-18-0x0000000010000000-0x0000000010090000-memory.dmp	family_gh0strat
behavioral1/memory/2736-30-0x0000000010000000-0x0000000010090000-memory.dmp	family_gh0strat
behavioral1/memory/2736-31-0x0000000010000000-0x0000000010090000-memory.dmp	family_gh0strat
behavioral1/memory/2968-32-0x0000000010000000-0x0000000010090000-memory.dmp	family_gh0strat
behavioral1/memory/2736-35-0x0000000010000000-0x0000000010090000-memory.dmp	family_gh0strat
behavioral1/memory/2736-41-0x0000000010000000-0x0000000010090000-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\2031375\Parameters\ServiceDll = "C:\\Windows\\system32\\2031375.dll"	JaffaCakes118_5882be5ac896bc4449218b021b83e4ca.exe

Loads dropped DLL 5 IoCs

pid	Process
2968	svchost.exe
2736	rundll32.exe
2736	rundll32.exe
2736	rundll32.exe
2736	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 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\2031375.dll	JaffaCakes118_5882be5ac896bc4449218b021b83e4ca.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	\??\c:\windows\IEHost2.txt	svchost.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	JaffaCakes118_5882be5ac896bc4449218b021b83e4ca.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2112	JaffaCakes118_5882be5ac896bc4449218b021b83e4ca.exe
Token: SeDebugPrivilege	2968	svchost.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2772	2112	JaffaCakes118_5882be5ac896bc4449218b021b83e4ca.exe	32
PID 2112 wrote to memory of 2772	2112	JaffaCakes118_5882be5ac896bc4449218b021b83e4ca.exe	32
PID 2112 wrote to memory of 2772	2112	JaffaCakes118_5882be5ac896bc4449218b021b83e4ca.exe	32
PID 2112 wrote to memory of 2772	2112	JaffaCakes118_5882be5ac896bc4449218b021b83e4ca.exe	32
PID 2968 wrote to memory of 2736	2968	svchost.exe	33
PID 2968 wrote to memory of 2736	2968	svchost.exe	33
PID 2968 wrote to memory of 2736	2968	svchost.exe	33
PID 2968 wrote to memory of 2736	2968	svchost.exe	33
PID 2968 wrote to memory of 2736	2968	svchost.exe	33
PID 2968 wrote to memory of 2736	2968	svchost.exe	33
PID 2968 wrote to memory of 2736	2968	svchost.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5882be5ac896bc4449218b021b83e4ca.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5882be5ac896bc4449218b021b83e4ca.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:2112
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\JAFFAC~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2772

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k 2031375
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2968
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe c:\windows\system32\2031375.dll, ServiceMain
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2736

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/2112-0-0x0000000000400000-0x00000000005E0000-memory.dmp

Filesize
1.9MB

Download
memory/2112-1-0x0000000000020000-0x0000000000023000-memory.dmp

Filesize
12KB

Download
memory/2112-2-0x0000000000400000-0x00000000005E0000-memory.dmp

Filesize
1.9MB

Download
memory/2112-5-0x0000000000400000-0x00000000005E0000-memory.dmp

Filesize
1.9MB

Download
memory/2112-4-0x0000000000401000-0x000000000047D000-memory.dmp

Filesize
496KB

Download
memory/2112-11-0x0000000000020000-0x0000000000023000-memory.dmp

Filesize
12KB

Download
memory/2112-10-0x0000000000400000-0x00000000005E0000-memory.dmp

Filesize
1.9MB

Download
memory/2736-27-0x0000000010000000-0x0000000010090000-memory.dmp

Filesize
576KB

Download
memory/2736-28-0x0000000010000000-0x0000000010090000-memory.dmp

Filesize
576KB

Download
memory/2736-41-0x0000000010000000-0x0000000010090000-memory.dmp

Filesize
576KB

Download
memory/2736-35-0x0000000010000000-0x0000000010090000-memory.dmp

Filesize
576KB

Download
memory/2736-31-0x0000000010000000-0x0000000010090000-memory.dmp

Filesize
576KB

Download
memory/2736-30-0x0000000010000000-0x0000000010090000-memory.dmp

Filesize
576KB

Download
memory/2736-26-0x0000000010000000-0x0000000010090000-memory.dmp

Filesize
576KB

Download
memory/2736-25-0x0000000010000000-0x0000000010090000-memory.dmp

Filesize
576KB

Download
memory/2736-24-0x0000000010000000-0x0000000010090000-memory.dmp

Filesize
576KB

Download
memory/2736-23-0x0000000010000000-0x0000000010090000-memory.dmp

Filesize
576KB

Download
memory/2968-14-0x0000000000020000-0x0000000000023000-memory.dmp

Filesize
12KB

Download
memory/2968-13-0x0000000010000000-0x0000000010090000-memory.dmp

Filesize
576KB

Download
memory/2968-18-0x0000000010000000-0x0000000010090000-memory.dmp

Filesize
576KB

Download
memory/2968-32-0x0000000010000000-0x0000000010090000-memory.dmp

Filesize
576KB

Download
memory/2968-33-0x0000000000020000-0x0000000000023000-memory.dmp

Filesize
12KB

Download
memory/2968-34-0x0000000010013000-0x000000001008D000-memory.dmp

Filesize
488KB

Download
memory/2968-17-0x0000000010013000-0x000000001008D000-memory.dmp

Filesize
488KB

Download
memory/2968-15-0x0000000010000000-0x0000000010090000-memory.dmp

Filesize
576KB

Download

Analysis

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