gh0strat | 291d8260378ac894d10b140c053985907b53d0593b2cda19028cc3f0c132f514

General

Target

291d8260378ac894d10b140c053985907b53d0593b2cda19028cc3f0c132f514.exe
Size

1.3MB
MD5

ebea7267d953cf95a2dc1c6b0a57738e
SHA1

6b03b9bf837a7fb61b4164b03c611335db5c56ab
SHA256

291d8260378ac894d10b140c053985907b53d0593b2cda19028cc3f0c132f514
SHA512

335edeff6cc79633382ba83105497ef6a4eba5b5696164bc0703df6546a7e5c1c994262063e0eaf28f909cb4dd7f242b6209862de4e05e6ff82853bb2149d899
SSDEEP

24576:8YFbkIsaPiXSVnC7Yp9zkNmZG8RRlnZyz/Iila8Cy:8YREXSVMDi350aFy

Score

10^/10

gh0strat discovery persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259429803.bat	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

Processes:

look2.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\svchcst\Parameters\ServiceDll = "C:\\Windows\\system32\\259429803.bat"	look2.exe

Executes dropped EXE 2 IoCs

Processes:

look2.exesvchcst.exe

pid process

1948 look2.exe
2852 svchcst.exe
Loads dropped DLL 5 IoCs

Processes:

291d8260378ac894d10b140c053985907b53d0593b2cda19028cc3f0c132f514.exelook2.exesvchost.exesvchcst.exe

pid process

2572 291d8260378ac894d10b140c053985907b53d0593b2cda19028cc3f0c132f514.exe
1948 look2.exe
3044 svchost.exe
3044 svchost.exe
2852 svchcst.exe

pid	process
1948	look2.exe
2852	svchcst.exe

Drops file in System32 directory 4 IoCs

Processes:

look2.exesvchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\259429803.bat	look2.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	look2.exe
File created	C:\Windows\SysWOW64\svchcst.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\svchcst.exe	svchost.exe

Drops file in Program Files directory 1 IoCs

Processes:

291d8260378ac894d10b140c053985907b53d0593b2cda19028cc3f0c132f514.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	291d8260378ac894d10b140c053985907b53d0593b2cda19028cc3f0c132f514.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 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

Processes:

svchost.exesvchcst.exe291d8260378ac894d10b140c053985907b53d0593b2cda19028cc3f0c132f514.exelook2.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchcst.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	291d8260378ac894d10b140c053985907b53d0593b2cda19028cc3f0c132f514.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	look2.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

291d8260378ac894d10b140c053985907b53d0593b2cda19028cc3f0c132f514.exe

pid	process
2572	291d8260378ac894d10b140c053985907b53d0593b2cda19028cc3f0c132f514.exe
2572	291d8260378ac894d10b140c053985907b53d0593b2cda19028cc3f0c132f514.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

291d8260378ac894d10b140c053985907b53d0593b2cda19028cc3f0c132f514.exesvchost.exe

description	pid	process	target process
PID 2572 wrote to memory of 1948	2572	291d8260378ac894d10b140c053985907b53d0593b2cda19028cc3f0c132f514.exe	look2.exe
PID 2572 wrote to memory of 1948	2572	291d8260378ac894d10b140c053985907b53d0593b2cda19028cc3f0c132f514.exe	look2.exe
PID 2572 wrote to memory of 1948	2572	291d8260378ac894d10b140c053985907b53d0593b2cda19028cc3f0c132f514.exe	look2.exe
PID 2572 wrote to memory of 1948	2572	291d8260378ac894d10b140c053985907b53d0593b2cda19028cc3f0c132f514.exe	look2.exe
PID 3044 wrote to memory of 2852	3044	svchost.exe	svchcst.exe
PID 3044 wrote to memory of 2852	3044	svchost.exe	svchcst.exe
PID 3044 wrote to memory of 2852	3044	svchost.exe	svchcst.exe
PID 3044 wrote to memory of 2852	3044	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\291d8260378ac894d10b140c053985907b53d0593b2cda19028cc3f0c132f514.exe
"C:\Users\Admin\AppData\Local\Temp\291d8260378ac894d10b140c053985907b53d0593b2cda19028cc3f0c132f514.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2572
- C:\Users\Admin\AppData\Local\Temp\look2.exe
  C:\Users\Admin\AppData\Local\Temp\\look2.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:1948

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:3032

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\259429803.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2852

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 Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
1.3MB

MD5
ebea7267d953cf95a2dc1c6b0a57738e

SHA1
6b03b9bf837a7fb61b4164b03c611335db5c56ab

SHA256
291d8260378ac894d10b140c053985907b53d0593b2cda19028cc3f0c132f514

SHA512
335edeff6cc79633382ba83105497ef6a4eba5b5696164bc0703df6546a7e5c1c994262063e0eaf28f909cb4dd7f242b6209862de4e05e6ff82853bb2149d899

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

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\Users\Admin\AppData\Local\Temp\look2.exe

Filesize
337KB

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
\Windows\SysWOW64\259429803.bat

Filesize
51KB

MD5
2b1dc18773fdc6aa30280b567c092419

SHA1
8983cd25363c876a5d7219ce3685487583d5a8ce

SHA256
ec2a9170ce5ea5cb8b51c8be4a7989e05366b04bd1d8eb0f8807d7dac182eca8

SHA512
1569c7dbe387d0c34df1a30b7e40385177bf8a2d69a674da06ab46b571e026ee8b0b6b73747dc8f795159e96c1c7080ab85de7be5c977feecbbfa342805439a5

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads