gh0strat | b1912fe759ce5a90de1e18e62b39e416ed4fde549ae0b10bee4173f4bbb09c36

General

Target

fc9b0b8b711e44ce0d4f91b0cedb1c76_JaffaCakes118.exe
Size

68KB
MD5

fc9b0b8b711e44ce0d4f91b0cedb1c76
SHA1

7efc7fec7c6f04dd6cf00344f7d0781aa6858536
SHA256

b1912fe759ce5a90de1e18e62b39e416ed4fde549ae0b10bee4173f4bbb09c36
SHA512

1e0c4dc4cc865eccb20d1a92922fed7f923fe6225a21553f5a25f7a836db755b48285baad0d4da17a7a689790930ead38a491871c55fa21c6e4e497ea875c774
SSDEEP

1536:Jn/hoh1mHzLJksPEOajozLElnqiO2d7/Zu:Jn/swTLJkQ7zAV3d7/k

Score

10^/10

gh0strat discovery persistence rat

Malware Config

Extracted

Family

gh0strat

C2

chende8.f3322.org

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral2/files/0x00090000000233f6-1.dat	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 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SRDSL\Parameters\ServiceDll = "C:\\Program Files (x86)\\Google\\240622593.dll"	fc9b0b8b711e44ce0d4f91b0cedb1c76_JaffaCakes118.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	fc9b0b8b711e44ce0d4f91b0cedb1c76_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1940	SRDSL.exe

Loads dropped DLL 3 IoCs

pid	Process
4700	fc9b0b8b711e44ce0d4f91b0cedb1c76_JaffaCakes118.exe
1448	svchost.exe
1940	SRDSL.exe

Creates a Windows Service
persistence

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\SRDSL.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\SRDSL.exe	svchost.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Google\240622593.dll	fc9b0b8b711e44ce0d4f91b0cedb1c76_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SRDSL.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fc9b0b8b711e44ce0d4f91b0cedb1c76_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2712	cmd.exe
3456	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3456	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4700	fc9b0b8b711e44ce0d4f91b0cedb1c76_JaffaCakes118.exe
4700	fc9b0b8b711e44ce0d4f91b0cedb1c76_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4700	fc9b0b8b711e44ce0d4f91b0cedb1c76_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4700	fc9b0b8b711e44ce0d4f91b0cedb1c76_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4700 wrote to memory of 2712	4700	fc9b0b8b711e44ce0d4f91b0cedb1c76_JaffaCakes118.exe	84
PID 4700 wrote to memory of 2712	4700	fc9b0b8b711e44ce0d4f91b0cedb1c76_JaffaCakes118.exe	84
PID 4700 wrote to memory of 2712	4700	fc9b0b8b711e44ce0d4f91b0cedb1c76_JaffaCakes118.exe	84
PID 2712 wrote to memory of 3456	2712	cmd.exe	86
PID 2712 wrote to memory of 3456	2712	cmd.exe	86
PID 2712 wrote to memory of 3456	2712	cmd.exe	86
PID 1448 wrote to memory of 1940	1448	svchost.exe	87
PID 1448 wrote to memory of 1940	1448	svchost.exe	87
PID 1448 wrote to memory of 1940	1448	svchost.exe	87

C:\Users\Admin\AppData\Local\Temp\fc9b0b8b711e44ce0d4f91b0cedb1c76_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fc9b0b8b711e44ce0d4f91b0cedb1c76_JaffaCakes118.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Checks computer location settings
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4700
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 1 && del /f/q "C:\Users\Admin\AppData\Local\Temp\fc9b0b8b711e44ce0d4f91b0cedb1c76_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:3456

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "SRDSL"
1⤵
PID:4192

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "SRDSL"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1448
- C:\Windows\SysWOW64\SRDSL.exe
  C:\Windows\system32\SRDSL.exe "c:\program files (x86)\google\240622593.dll",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1940

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

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Google\240622593.dll

Filesize
37KB

MD5
c506bbb3f9b4a0efbb4164941f21dd41

SHA1
beff44f3c83721c6360f9277c5faa9a39e5f0f95

SHA256
3c912cf79a0ba3df7dadb7fe4a415c80d875ef19881f569dd61b3ce390f8d0bc

SHA512
9394a9311d067cde2409de9bd364256a72100ee327f6902f0a2ee70f26f4e71625866f0c7699708e92199bc680e45f17be2d2867ddfebf925aca1b77baa2eff8

Download Submit
C:\Windows\SysWOW64\SRDSL.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit

Analysis

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