gh0strat | a660402c3ec33238923e269b42265e0641bfc3c52aeb807161c50365fe9828cb

General

Target

a660402c3ec33238923e269b42265e0641bfc3c52aeb807161c50365fe9828cb.exe
Size

1.1MB
MD5

37d5cd829fae7ba9f45ba8c3ffbb12fc
SHA1

0ea6a97c2a45edf4fcf5e5abe965e354fc85bea7
SHA256

a660402c3ec33238923e269b42265e0641bfc3c52aeb807161c50365fe9828cb
SHA512

5081ea56ffc54c6c9fbe8020d58b8a6170c64fba74eefccdd8cb10a07696ee55de1b5dacd66133d099b1c4a8ee055f2b8fadd0246bb195f34c42035be75ae785
SSDEEP

24576:SYFbkIsaPiXSVnC7Yp9zkNmZG8RRlngyzvE2b9:SYREXSVMDi3TE2b9

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000015cb5-6.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

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\\259397526.bat"	look2.exe

Executes dropped EXE 2 IoCs

pid	Process
1996	look2.exe
2716	svchcst.exe

Loads dropped DLL 5 IoCs

pid	Process
3040	a660402c3ec33238923e269b42265e0641bfc3c52aeb807161c50365fe9828cb.exe
1996	look2.exe
2972	svchost.exe
2972	svchost.exe
2716	svchcst.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259397526.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)\Adobe\Reader 9.0\Reader\AcroRd32.exe	a660402c3ec33238923e269b42265e0641bfc3c52aeb807161c50365fe9828cb.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3040	a660402c3ec33238923e269b42265e0641bfc3c52aeb807161c50365fe9828cb.exe
3040	a660402c3ec33238923e269b42265e0641bfc3c52aeb807161c50365fe9828cb.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 1996	3040	a660402c3ec33238923e269b42265e0641bfc3c52aeb807161c50365fe9828cb.exe	28
PID 3040 wrote to memory of 1996	3040	a660402c3ec33238923e269b42265e0641bfc3c52aeb807161c50365fe9828cb.exe	28
PID 3040 wrote to memory of 1996	3040	a660402c3ec33238923e269b42265e0641bfc3c52aeb807161c50365fe9828cb.exe	28
PID 3040 wrote to memory of 1996	3040	a660402c3ec33238923e269b42265e0641bfc3c52aeb807161c50365fe9828cb.exe	28
PID 2972 wrote to memory of 2716	2972	svchost.exe	31
PID 2972 wrote to memory of 2716	2972	svchost.exe	31
PID 2972 wrote to memory of 2716	2972	svchost.exe	31
PID 2972 wrote to memory of 2716	2972	svchost.exe	31

C:\Users\Admin\AppData\Local\Temp\a660402c3ec33238923e269b42265e0641bfc3c52aeb807161c50365fe9828cb.exe
"C:\Users\Admin\AppData\Local\Temp\a660402c3ec33238923e269b42265e0641bfc3c52aeb807161c50365fe9828cb.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3040
- 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
  PID:1996

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:1680

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\259397526.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2716

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

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
1.1MB

MD5
37d5cd829fae7ba9f45ba8c3ffbb12fc

SHA1
0ea6a97c2a45edf4fcf5e5abe965e354fc85bea7

SHA256
a660402c3ec33238923e269b42265e0641bfc3c52aeb807161c50365fe9828cb

SHA512
5081ea56ffc54c6c9fbe8020d58b8a6170c64fba74eefccdd8cb10a07696ee55de1b5dacd66133d099b1c4a8ee055f2b8fadd0246bb195f34c42035be75ae785

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

Filesize
337KB

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
\Windows\SysWOW64\259397526.bat

Filesize
51KB

MD5
a9de08278fc1b3773158fc272cbb7e1e

SHA1
57031cfb305bce9c892af2653d65041ccd3a3602

SHA256
f8b6fbb6396e478bea2353ee31c45891ab28948734838d945ee7948709b11c0e

SHA512
1421b0bbc81059fe608126df8ab9b58b6c5db80dbad7fc82e2ff81c9eab992e43b8b7953dbbf5b46d1c9fdd5e4a515bf70b55942c0fb230432cdfac489b15cb4

Download Submit
\Windows\SysWOW64\svchcst.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit

Analysis

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