gh0strat | 16b41534d5998077df912b572a7c90d3423ab8b67898a74c23fc081771d9dee6

General

Target

16b41534d5998077df912b572a7c90d3423ab8b67898a74c23fc081771d9dee6.exe
Size

1.3MB
MD5

3283361f9f3398961778f3a9df74f51c
SHA1

e57cbd9615c296b8bc1a824011317b3fad7fa6d3
SHA256

16b41534d5998077df912b572a7c90d3423ab8b67898a74c23fc081771d9dee6
SHA512

738b04047e72e3d589e20b1eb65d70140e93810120c88a8a3619b389fd9a8918781cbaa7c78d3cfb9871f8705af6b61f08d75d6945ab099e7f1a566ca7776a19
SSDEEP

24576:4YFbkIsaPiXSVnC7Yp9zkNmZG8RRlnZyzUjcDER:4YREXSVMDi3neER

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259396169.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\\259396169.bat"	look2.exe

Executes dropped EXE 2 IoCs

Processes:

look2.exesvchcst.exe

pid process

3052 look2.exe
2684 svchcst.exe
Loads dropped DLL 5 IoCs

Processes:

16b41534d5998077df912b572a7c90d3423ab8b67898a74c23fc081771d9dee6.exelook2.exesvchost.exesvchcst.exe

pid process

2552 16b41534d5998077df912b572a7c90d3423ab8b67898a74c23fc081771d9dee6.exe
3052 look2.exe
2576 svchost.exe
2576 svchost.exe
2684 svchcst.exe

pid	process
3052	look2.exe
2684	svchcst.exe

Drops file in System32 directory 4 IoCs

Processes:

look2.exesvchost.exe

description	ioc	process
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
File created	C:\Windows\SysWOW64\259396169.bat	look2.exe

Drops file in Program Files directory 1 IoCs

Processes:

16b41534d5998077df912b572a7c90d3423ab8b67898a74c23fc081771d9dee6.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	16b41534d5998077df912b572a7c90d3423ab8b67898a74c23fc081771d9dee6.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:

16b41534d5998077df912b572a7c90d3423ab8b67898a74c23fc081771d9dee6.exe

pid	process
2552	16b41534d5998077df912b572a7c90d3423ab8b67898a74c23fc081771d9dee6.exe
2552	16b41534d5998077df912b572a7c90d3423ab8b67898a74c23fc081771d9dee6.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

16b41534d5998077df912b572a7c90d3423ab8b67898a74c23fc081771d9dee6.exesvchost.exe

description	pid	process	target process
PID 2552 wrote to memory of 3052	2552	16b41534d5998077df912b572a7c90d3423ab8b67898a74c23fc081771d9dee6.exe	look2.exe
PID 2552 wrote to memory of 3052	2552	16b41534d5998077df912b572a7c90d3423ab8b67898a74c23fc081771d9dee6.exe	look2.exe
PID 2552 wrote to memory of 3052	2552	16b41534d5998077df912b572a7c90d3423ab8b67898a74c23fc081771d9dee6.exe	look2.exe
PID 2552 wrote to memory of 3052	2552	16b41534d5998077df912b572a7c90d3423ab8b67898a74c23fc081771d9dee6.exe	look2.exe
PID 2576 wrote to memory of 2684	2576	svchost.exe	svchcst.exe
PID 2576 wrote to memory of 2684	2576	svchost.exe	svchcst.exe
PID 2576 wrote to memory of 2684	2576	svchost.exe	svchcst.exe
PID 2576 wrote to memory of 2684	2576	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\16b41534d5998077df912b572a7c90d3423ab8b67898a74c23fc081771d9dee6.exe
"C:\Users\Admin\AppData\Local\Temp\16b41534d5998077df912b572a7c90d3423ab8b67898a74c23fc081771d9dee6.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2552

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:3052

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:2516

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:2576

C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\259396169.bat",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2684

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
1.3MB

MD5
3283361f9f3398961778f3a9df74f51c

SHA1
e57cbd9615c296b8bc1a824011317b3fad7fa6d3

SHA256
16b41534d5998077df912b572a7c90d3423ab8b67898a74c23fc081771d9dee6

SHA512
738b04047e72e3d589e20b1eb65d70140e93810120c88a8a3619b389fd9a8918781cbaa7c78d3cfb9871f8705af6b61f08d75d6945ab099e7f1a566ca7776a19

Download Submit
\Users\Admin\AppData\Local\Temp\look2.exe
Filesize
337KB

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
\Windows\SysWOW64\259396169.bat
Filesize
51KB

MD5
c4f8b968b0ad90c518124347fcf0245e

SHA1
01232e039f65ee483accb8f220c9a3ddb046ab74

SHA256
09413e2c25cc9ab78825ff2f19a6921dbe177d184a3691a767dfa23386a5c795

SHA512
01340b8a488b219b48f1f77ea54b81dc44b24d3dd256e3f17060764e383b9f54ad05de1bd9965acd7059b80387c82673c959b8b0a8f980012e66255fbc4e0bad

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 Matrix ATT&CK v13

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Downloads