gh0strat | 720642a5aac73117abe3552800bc6344a5046730683fa2ef7599a1e4d7f7f19b

General

Target

720642a5aac73117abe3552800bc6344a5046730683fa2ef7599a1e4d7f7f19b.exe
Size

1.4MB
MD5

9cf47adebb159306ef76f296df974717
SHA1

d3b47e54cd4211116e0804c9602bf1dd5bc92f8f
SHA256

720642a5aac73117abe3552800bc6344a5046730683fa2ef7599a1e4d7f7f19b
SHA512

7bc50a7582166d88cd004dd415d2e04a88ab2d826f03b00fef3600e837c37fd8418cc0b3df196d6cc035aabf8d80a71fd2fd7762a6c41f8c9327c517dfa76006
SSDEEP

24576:eYFbkIsaPiXSVnC7Yp9zkNmZG8RRlnfyzdd:eYREXSVMDi3I

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259402128.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

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

look2.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\svchcst\Parameters\ServiceDll = "C:\\Windows\\system32\\259402128.bat"	look2.exe

Executes dropped EXE 2 IoCs

Processes:

look2.exesvchcst.exe

pid process

2000 look2.exe
2740 svchcst.exe
Loads dropped DLL 5 IoCs

Processes:

720642a5aac73117abe3552800bc6344a5046730683fa2ef7599a1e4d7f7f19b.exelook2.exesvchost.exesvchcst.exe

pid process

2208 720642a5aac73117abe3552800bc6344a5046730683fa2ef7599a1e4d7f7f19b.exe
2000 look2.exe
2116 svchost.exe
2116 svchost.exe
2740 svchcst.exe

pid	process
2000	look2.exe
2740	svchcst.exe

Drops file in System32 directory 4 IoCs

Processes:

look2.exesvchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\259402128.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:

720642a5aac73117abe3552800bc6344a5046730683fa2ef7599a1e4d7f7f19b.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	720642a5aac73117abe3552800bc6344a5046730683fa2ef7599a1e4d7f7f19b.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

Processes:

720642a5aac73117abe3552800bc6344a5046730683fa2ef7599a1e4d7f7f19b.exe

pid	process
2208	720642a5aac73117abe3552800bc6344a5046730683fa2ef7599a1e4d7f7f19b.exe
2208	720642a5aac73117abe3552800bc6344a5046730683fa2ef7599a1e4d7f7f19b.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

720642a5aac73117abe3552800bc6344a5046730683fa2ef7599a1e4d7f7f19b.exesvchost.exe

description	pid	process	target process
PID 2208 wrote to memory of 2000	2208	720642a5aac73117abe3552800bc6344a5046730683fa2ef7599a1e4d7f7f19b.exe	look2.exe
PID 2208 wrote to memory of 2000	2208	720642a5aac73117abe3552800bc6344a5046730683fa2ef7599a1e4d7f7f19b.exe	look2.exe
PID 2208 wrote to memory of 2000	2208	720642a5aac73117abe3552800bc6344a5046730683fa2ef7599a1e4d7f7f19b.exe	look2.exe
PID 2208 wrote to memory of 2000	2208	720642a5aac73117abe3552800bc6344a5046730683fa2ef7599a1e4d7f7f19b.exe	look2.exe
PID 2116 wrote to memory of 2740	2116	svchost.exe	svchcst.exe
PID 2116 wrote to memory of 2740	2116	svchost.exe	svchcst.exe
PID 2116 wrote to memory of 2740	2116	svchost.exe	svchcst.exe
PID 2116 wrote to memory of 2740	2116	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\720642a5aac73117abe3552800bc6344a5046730683fa2ef7599a1e4d7f7f19b.exe
"C:\Users\Admin\AppData\Local\Temp\720642a5aac73117abe3552800bc6344a5046730683fa2ef7599a1e4d7f7f19b.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2208

C:\Users\Admin\AppData\Local\Temp\look2.exe
C:\Users\Admin\AppData\Local\Temp\\look2.exe
2⤵
- Sets DLL path for service in the registry
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:2000

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:2648

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:2116

C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\259402128.bat",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1.4MB

MD5
9cf47adebb159306ef76f296df974717

SHA1
d3b47e54cd4211116e0804c9602bf1dd5bc92f8f

SHA256
720642a5aac73117abe3552800bc6344a5046730683fa2ef7599a1e4d7f7f19b

SHA512
7bc50a7582166d88cd004dd415d2e04a88ab2d826f03b00fef3600e837c37fd8418cc0b3df196d6cc035aabf8d80a71fd2fd7762a6c41f8c9327c517dfa76006

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\259402128.bat

Filesize
51KB

MD5
4f9a68b2b7204dd6211f7deed8c44f20

SHA1
21fcbad8ecd8f454a0a0cd6ec7e65dd5af3aaf54

SHA256
99ff3713bc3b32dfa13cc32487c474d3d6d2e83d82655a21bb28e3492970273e

SHA512
b17f079ba8f66ab686f9219ab0c5a58b1f167ff8dc20d915b60249efc7f2ff3d00dc8a60375743d0f027a33e86822a8c5c002956202837826a80b95d98a4a970

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads