gh0strat | 5b00eb5479f91be20be3549a461c68659d1cc1a5e9863e9a743d56ac67f79e5e

General

Target

5b00eb5479f91be20be3549a461c68659d1cc1a5e9863e9a743d56ac67f79e5e.exe
Size

1.8MB
MD5

18dc71df20ee505b001db16fc1739ab1
SHA1

867113ebdb3a30067e044ac1a0ce304575ba8743
SHA256

5b00eb5479f91be20be3549a461c68659d1cc1a5e9863e9a743d56ac67f79e5e
SHA512

cadab662c376de4eb85e5a4a4ad35154a8b120a3d596500aa002991bae4e5984e51584c1f3740675bf6568447f6c26a9b8737d792b0e1795ea4f89a0929b9497
SSDEEP

24576:kYFbkIsaPiXSVnC7Yp9zkNmZG8RRlnpyzHtWcyOEw:kYREXSVMDi3F+j

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/files/0x0007000000019219-6.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\\259440067.bat"	look2.exe

Executes dropped EXE 2 IoCs

pid	Process
772	look2.exe
2672	svchcst.exe

Loads dropped DLL 5 IoCs

pid	Process
1864	5b00eb5479f91be20be3549a461c68659d1cc1a5e9863e9a743d56ac67f79e5e.exe
772	look2.exe
2076	svchost.exe
2076	svchost.exe
2672	svchcst.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\svchcst.exe	svchost.exe
File created	C:\Windows\SysWOW64\259440067.bat	look2.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	look2.exe
File created	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)\Adobe\Reader 9.0\Reader\AcroRd32.exe	5b00eb5479f91be20be3549a461c68659d1cc1a5e9863e9a743d56ac67f79e5e.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	5b00eb5479f91be20be3549a461c68659d1cc1a5e9863e9a743d56ac67f79e5e.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
1864	5b00eb5479f91be20be3549a461c68659d1cc1a5e9863e9a743d56ac67f79e5e.exe
1864	5b00eb5479f91be20be3549a461c68659d1cc1a5e9863e9a743d56ac67f79e5e.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1864 wrote to memory of 772	1864	5b00eb5479f91be20be3549a461c68659d1cc1a5e9863e9a743d56ac67f79e5e.exe	30
PID 1864 wrote to memory of 772	1864	5b00eb5479f91be20be3549a461c68659d1cc1a5e9863e9a743d56ac67f79e5e.exe	30
PID 1864 wrote to memory of 772	1864	5b00eb5479f91be20be3549a461c68659d1cc1a5e9863e9a743d56ac67f79e5e.exe	30
PID 1864 wrote to memory of 772	1864	5b00eb5479f91be20be3549a461c68659d1cc1a5e9863e9a743d56ac67f79e5e.exe	30
PID 2076 wrote to memory of 2672	2076	svchost.exe	33
PID 2076 wrote to memory of 2672	2076	svchost.exe	33
PID 2076 wrote to memory of 2672	2076	svchost.exe	33
PID 2076 wrote to memory of 2672	2076	svchost.exe	33

C:\Users\Admin\AppData\Local\Temp\5b00eb5479f91be20be3549a461c68659d1cc1a5e9863e9a743d56ac67f79e5e.exe
"C:\Users\Admin\AppData\Local\Temp\5b00eb5479f91be20be3549a461c68659d1cc1a5e9863e9a743d56ac67f79e5e.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:1864
- 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:772

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:2484

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:2076
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\259440067.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2672

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
1.8MB

MD5
18dc71df20ee505b001db16fc1739ab1

SHA1
867113ebdb3a30067e044ac1a0ce304575ba8743

SHA256
5b00eb5479f91be20be3549a461c68659d1cc1a5e9863e9a743d56ac67f79e5e

SHA512
cadab662c376de4eb85e5a4a4ad35154a8b120a3d596500aa002991bae4e5984e51584c1f3740675bf6568447f6c26a9b8737d792b0e1795ea4f89a0929b9497

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

Filesize
337KB

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
\Windows\SysWOW64\259440067.bat

Filesize
51KB

MD5
ce33756b98911971117caeb0b66f097d

SHA1
f27dc0eeea97719a003cd4d226e70e6ba6cb1717

SHA256
f6c983fe6e6b07d6d913a893a5fc4dfdc80fdf19b159d1edc8e62548312bd6ae

SHA512
692a0275eb3114f6e6d06287e23b9093be4ae9dd5508fa8b825fdfdba3b2622998bc8b936365eb672c015b078c2b81d96d56d639ae1d292c55583175932cd209

Download Submit
\Windows\SysWOW64\svchcst.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit

Analysis

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