gh0strat | 8dbffef4fd45f4b4a275520a207dc4ec6a8cfc97e4a4ab998340ad9333a133c7

General

Target

8dbffef4fd45f4b4a275520a207dc4ec6a8cfc97e4a4ab998340ad9333a133c7.exe
Size

1.2MB
MD5

b3b3547b912cdb3a1b08409090748090
SHA1

3336a4da1c806d77964aa8e772c47758c9cf14ac
SHA256

8dbffef4fd45f4b4a275520a207dc4ec6a8cfc97e4a4ab998340ad9333a133c7
SHA512

34d2c440c71bba09b906193533b366950da3f3a173042a3c033b75c44fef86ecbffc93934490147cece7284730fddb227add47d2a657d8587ff4ee7e195fc880
SSDEEP

24576:9YFbkIsaPiXSVnC7Yp9zkNmZG8RRlnsyzeo2:9YREXSVMDi3Wv

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259398337.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\\259398337.bat"	look2.exe

Executes dropped EXE 2 IoCs

Processes:

look2.exesvchcst.exe

pid process

2400 look2.exe
2708 svchcst.exe
Loads dropped DLL 5 IoCs

Processes:

8dbffef4fd45f4b4a275520a207dc4ec6a8cfc97e4a4ab998340ad9333a133c7.exelook2.exesvchost.exesvchcst.exe

pid process

1992 8dbffef4fd45f4b4a275520a207dc4ec6a8cfc97e4a4ab998340ad9333a133c7.exe
2400 look2.exe
2160 svchost.exe
2160 svchost.exe
2708 svchcst.exe

pid	process
2400	look2.exe
2708	svchcst.exe

Drops file in System32 directory 4 IoCs

Processes:

look2.exesvchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\259398337.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:

8dbffef4fd45f4b4a275520a207dc4ec6a8cfc97e4a4ab998340ad9333a133c7.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	8dbffef4fd45f4b4a275520a207dc4ec6a8cfc97e4a4ab998340ad9333a133c7.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:

8dbffef4fd45f4b4a275520a207dc4ec6a8cfc97e4a4ab998340ad9333a133c7.exe

pid	process
1992	8dbffef4fd45f4b4a275520a207dc4ec6a8cfc97e4a4ab998340ad9333a133c7.exe
1992	8dbffef4fd45f4b4a275520a207dc4ec6a8cfc97e4a4ab998340ad9333a133c7.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

8dbffef4fd45f4b4a275520a207dc4ec6a8cfc97e4a4ab998340ad9333a133c7.exesvchost.exe

description	pid	process	target process
PID 1992 wrote to memory of 2400	1992	8dbffef4fd45f4b4a275520a207dc4ec6a8cfc97e4a4ab998340ad9333a133c7.exe	look2.exe
PID 1992 wrote to memory of 2400	1992	8dbffef4fd45f4b4a275520a207dc4ec6a8cfc97e4a4ab998340ad9333a133c7.exe	look2.exe
PID 1992 wrote to memory of 2400	1992	8dbffef4fd45f4b4a275520a207dc4ec6a8cfc97e4a4ab998340ad9333a133c7.exe	look2.exe
PID 1992 wrote to memory of 2400	1992	8dbffef4fd45f4b4a275520a207dc4ec6a8cfc97e4a4ab998340ad9333a133c7.exe	look2.exe
PID 2160 wrote to memory of 2708	2160	svchost.exe	svchcst.exe
PID 2160 wrote to memory of 2708	2160	svchost.exe	svchcst.exe
PID 2160 wrote to memory of 2708	2160	svchost.exe	svchcst.exe
PID 2160 wrote to memory of 2708	2160	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\8dbffef4fd45f4b4a275520a207dc4ec6a8cfc97e4a4ab998340ad9333a133c7.exe
"C:\Users\Admin\AppData\Local\Temp\8dbffef4fd45f4b4a275520a207dc4ec6a8cfc97e4a4ab998340ad9333a133c7.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1992

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:2400

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:1960

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:2160

C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\259398337.bat",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2708

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
1.2MB

MD5
b3b3547b912cdb3a1b08409090748090

SHA1
3336a4da1c806d77964aa8e772c47758c9cf14ac

SHA256
8dbffef4fd45f4b4a275520a207dc4ec6a8cfc97e4a4ab998340ad9333a133c7

SHA512
34d2c440c71bba09b906193533b366950da3f3a173042a3c033b75c44fef86ecbffc93934490147cece7284730fddb227add47d2a657d8587ff4ee7e195fc880

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

Filesize
337KB

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
\Windows\SysWOW64\259398337.bat

Filesize
51KB

MD5
e104fffafb416aae72f3d16b1e1d7e55

SHA1
1abbe8ceb6a0d24549279235091bd830d82d28c3

SHA256
07f15a51cb3f7496cb1899d25ef7c26e24af515069c1ccf6af137e7539f3b661

SHA512
db16ff1963a7a7c47d728421def536629e58a5b0d57c55612b4be22c7aa9509f0ddfceb7416a903f8c734e7d99d0d740277794c9b128e50bb9bb8d7fc362719a

Download Submit
\Windows\SysWOW64\svchcst.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads