gh0strat | 707b6f576878ac89c98091274fc1162b6b591f5c7561ce77334a5fcffda4f9de

General

Target

707b6f576878ac89c98091274fc1162b6b591f5c7561ce77334a5fcffda4f9de.exe
Size

1.2MB
MD5

0d246c1971c22b83fc01d6335401672d
SHA1

11e8272622708a04f3fb789e6e58900acb7f0ec0
SHA256

707b6f576878ac89c98091274fc1162b6b591f5c7561ce77334a5fcffda4f9de
SHA512

6c6880b9f6ffa9c8ab898e9da827dd6945a000b070a10ec116838dce617813365279d4189df7426fd2b34bb08f2d3daf98a6bdbc2a90020cfa29228d47f6f538
SSDEEP

24576:nYFbkIsaPiXSVnC7Yp9zjNmZG8RRl9xyzS2jsSZ:nYREXSVMKi3MsSZ

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023c87-5.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
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\svchcst\Parameters\ServiceDll = "C:\\Windows\\system32\\240631921.bat"	look2.exe

Executes dropped EXE 2 IoCs

pid	Process
2908	look2.exe
1600	svchcst.exe

Loads dropped DLL 3 IoCs

pid	Process
2908	look2.exe
4140	svchost.exe
1600	svchcst.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240631921.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

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	707b6f576878ac89c98091274fc1162b6b591f5c7561ce77334a5fcffda4f9de.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	707b6f576878ac89c98091274fc1162b6b591f5c7561ce77334a5fcffda4f9de.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	look2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchcst.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3196	707b6f576878ac89c98091274fc1162b6b591f5c7561ce77334a5fcffda4f9de.exe
3196	707b6f576878ac89c98091274fc1162b6b591f5c7561ce77334a5fcffda4f9de.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3196 wrote to memory of 2908	3196	707b6f576878ac89c98091274fc1162b6b591f5c7561ce77334a5fcffda4f9de.exe	83
PID 3196 wrote to memory of 2908	3196	707b6f576878ac89c98091274fc1162b6b591f5c7561ce77334a5fcffda4f9de.exe	83
PID 3196 wrote to memory of 2908	3196	707b6f576878ac89c98091274fc1162b6b591f5c7561ce77334a5fcffda4f9de.exe	83
PID 4140 wrote to memory of 1600	4140	svchost.exe	87
PID 4140 wrote to memory of 1600	4140	svchost.exe	87
PID 4140 wrote to memory of 1600	4140	svchost.exe	87

C:\Users\Admin\AppData\Local\Temp\707b6f576878ac89c98091274fc1162b6b591f5c7561ce77334a5fcffda4f9de.exe
"C:\Users\Admin\AppData\Local\Temp\707b6f576878ac89c98091274fc1162b6b591f5c7561ce77334a5fcffda4f9de.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3196
- 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:2908

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:1556

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:4140
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\240631921.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1600

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

Replay Monitor

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Downloads

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

Filesize
1.2MB

MD5
0d246c1971c22b83fc01d6335401672d

SHA1
11e8272622708a04f3fb789e6e58900acb7f0ec0

SHA256
707b6f576878ac89c98091274fc1162b6b591f5c7561ce77334a5fcffda4f9de

SHA512
6c6880b9f6ffa9c8ab898e9da827dd6945a000b070a10ec116838dce617813365279d4189df7426fd2b34bb08f2d3daf98a6bdbc2a90020cfa29228d47f6f538

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

Filesize
337KB

MD5
fb66e1e31fa1e6dfb21a50ccd11e0409

SHA1
6c45a0a115ec896eb14a531a44809b2a22cf8934

SHA256
5ea8c5455f0ebe884ed98834e78ead8b6c68814bbb1723370299fa44b88c0faa

SHA512
58ee149f70438296a67d5ae5cbd6cb9f5b2510a0381466b8f09eec3835be1ce7cad6903ca8fbc9273105132e85952208e78c59f776416c5449b86cc62111154b

Download Submit
C:\Windows\SysWOW64\240631921.bat

Filesize
51KB

MD5
51b8c2d7780d6d5b619f5f10bfd772ba

SHA1
fd4f5f47399c703534851a7393a04ffb3348ea9a

SHA256
b6db8770a84d2857ba673fca9e0f99e0125fa281e1f6bc05cec3cfabf3d27c1b

SHA512
269c00e6ead268f6369bbbe33ed1493e3499c8c31cff78d901e891f265450c89a441c83d9daea1d36ed45ec8aae9788d89b42c65bc27fa7ce85d06a29de23020

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit

Analysis

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