gh0strat | a48c0edb96737e75e8254cc4e09be74d95c6de056cc8968a04d703b7b0324ac8

General

Target

a48c0edb96737e75e8254cc4e09be74d95c6de056cc8968a04d703b7b0324ac8.exe
Size

1.5MB
MD5

a400a4d7221e5816d939c94a8637ade4
SHA1

a9844cf65560c1736d66bfa885b28004b746f833
SHA256

a48c0edb96737e75e8254cc4e09be74d95c6de056cc8968a04d703b7b0324ac8
SHA512

95fbb06396b5c9f7981a64cd24b4ff9cb0542b7376fa0399e709b3572f3e30fcf68694d72c215b48a33f2fdda7f4ddf6e5570c574ae5ef5c9bd6c2cea51a1280
SSDEEP

24576:9YFbkIsaPiXSVnC7Yp9zkNmZG8RRlnQyzHbi:9YREXSVMDi3Li

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259399289.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\\259399289.bat"	look2.exe

Executes dropped EXE 2 IoCs

Processes:

look2.exesvchcst.exe

pid process

2172 look2.exe
2708 svchcst.exe
Loads dropped DLL 5 IoCs

Processes:

a48c0edb96737e75e8254cc4e09be74d95c6de056cc8968a04d703b7b0324ac8.exelook2.exesvchost.exesvchcst.exe

pid process

2220 a48c0edb96737e75e8254cc4e09be74d95c6de056cc8968a04d703b7b0324ac8.exe
2172 look2.exe
820 svchost.exe
820 svchost.exe
2708 svchcst.exe

pid	process
2172	look2.exe
2708	svchcst.exe

Drops file in System32 directory 4 IoCs

Processes:

look2.exesvchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\259399289.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:

a48c0edb96737e75e8254cc4e09be74d95c6de056cc8968a04d703b7b0324ac8.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	a48c0edb96737e75e8254cc4e09be74d95c6de056cc8968a04d703b7b0324ac8.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:

a48c0edb96737e75e8254cc4e09be74d95c6de056cc8968a04d703b7b0324ac8.exe

pid	process
2220	a48c0edb96737e75e8254cc4e09be74d95c6de056cc8968a04d703b7b0324ac8.exe
2220	a48c0edb96737e75e8254cc4e09be74d95c6de056cc8968a04d703b7b0324ac8.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

a48c0edb96737e75e8254cc4e09be74d95c6de056cc8968a04d703b7b0324ac8.exesvchost.exe

description	pid	process	target process
PID 2220 wrote to memory of 2172	2220	a48c0edb96737e75e8254cc4e09be74d95c6de056cc8968a04d703b7b0324ac8.exe	look2.exe
PID 2220 wrote to memory of 2172	2220	a48c0edb96737e75e8254cc4e09be74d95c6de056cc8968a04d703b7b0324ac8.exe	look2.exe
PID 2220 wrote to memory of 2172	2220	a48c0edb96737e75e8254cc4e09be74d95c6de056cc8968a04d703b7b0324ac8.exe	look2.exe
PID 2220 wrote to memory of 2172	2220	a48c0edb96737e75e8254cc4e09be74d95c6de056cc8968a04d703b7b0324ac8.exe	look2.exe
PID 820 wrote to memory of 2708	820	svchost.exe	svchcst.exe
PID 820 wrote to memory of 2708	820	svchost.exe	svchcst.exe
PID 820 wrote to memory of 2708	820	svchost.exe	svchcst.exe
PID 820 wrote to memory of 2708	820	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\a48c0edb96737e75e8254cc4e09be74d95c6de056cc8968a04d703b7b0324ac8.exe
"C:\Users\Admin\AppData\Local\Temp\a48c0edb96737e75e8254cc4e09be74d95c6de056cc8968a04d703b7b0324ac8.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2220

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:2172

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:1800

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:820

C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\259399289.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
1.5MB

MD5
a400a4d7221e5816d939c94a8637ade4

SHA1
a9844cf65560c1736d66bfa885b28004b746f833

SHA256
a48c0edb96737e75e8254cc4e09be74d95c6de056cc8968a04d703b7b0324ac8

SHA512
95fbb06396b5c9f7981a64cd24b4ff9cb0542b7376fa0399e709b3572f3e30fcf68694d72c215b48a33f2fdda7f4ddf6e5570c574ae5ef5c9bd6c2cea51a1280

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

Filesize
337KB

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
\Windows\SysWOW64\259399289.bat

Filesize
51KB

MD5
42ab532620dcb3b371375bb98c5816de

SHA1
4018f14fef5e013e3258a7f369e9920d95326b13

SHA256
851aca1be28e32fb5ce4d090b9400b4b8767b4b7e4c63360123bb0fec1b87041

SHA512
917ccba053e528fff18c2181e8695be1d715298eb88973302c61d35fb537d9266994c5ac22b839bd952ee2392120a0ba68967bb82026aebb6b79283ca3c07221

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