gh0strat | ea22fe5a4ec49f5aed41a19ae933bb7c17cb3af088cf50778fe99944b3b3f584

General

Target

ea22fe5a4ec49f5aed41a19ae933bb7c17cb3af088cf50778fe99944b3b3f584.exe
Size

1.3MB
MD5

c6993035b912e575ff3f153811864d29
SHA1

d0b053bb76839b94c89eef96d5bef7f2f4949e62
SHA256

ea22fe5a4ec49f5aed41a19ae933bb7c17cb3af088cf50778fe99944b3b3f584
SHA512

2e3c2fd4d6228a33633913c2f528e5f9e58f32c3d6a2ae0cc490e6bf95603139e1493deb57233552c381ca276ff9bfd8bf13ad8ed595b2c07a6973c405d98008
SSDEEP

24576:TYFbkIsaPiXSVnC7Yp9zkNmZG8RRlndyzqDS6FT5yC/:TYREXSVMDi3FFT5yC/

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259396216.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\\259396216.bat"	look2.exe

Executes dropped EXE 2 IoCs

Processes:

look2.exesvchcst.exe

pid process

2668 look2.exe
2740 svchcst.exe
Loads dropped DLL 5 IoCs

Processes:

ea22fe5a4ec49f5aed41a19ae933bb7c17cb3af088cf50778fe99944b3b3f584.exelook2.exesvchost.exesvchcst.exe

pid process

2084 ea22fe5a4ec49f5aed41a19ae933bb7c17cb3af088cf50778fe99944b3b3f584.exe
2668 look2.exe
2240 svchost.exe
2240 svchost.exe
2740 svchcst.exe

pid	process
2668	look2.exe
2740	svchcst.exe

Drops file in System32 directory 4 IoCs

Processes:

look2.exesvchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\259396216.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:

ea22fe5a4ec49f5aed41a19ae933bb7c17cb3af088cf50778fe99944b3b3f584.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	ea22fe5a4ec49f5aed41a19ae933bb7c17cb3af088cf50778fe99944b3b3f584.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:

ea22fe5a4ec49f5aed41a19ae933bb7c17cb3af088cf50778fe99944b3b3f584.exe

pid	process
2084	ea22fe5a4ec49f5aed41a19ae933bb7c17cb3af088cf50778fe99944b3b3f584.exe
2084	ea22fe5a4ec49f5aed41a19ae933bb7c17cb3af088cf50778fe99944b3b3f584.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

ea22fe5a4ec49f5aed41a19ae933bb7c17cb3af088cf50778fe99944b3b3f584.exesvchost.exe

description	pid	process	target process
PID 2084 wrote to memory of 2668	2084	ea22fe5a4ec49f5aed41a19ae933bb7c17cb3af088cf50778fe99944b3b3f584.exe	look2.exe
PID 2084 wrote to memory of 2668	2084	ea22fe5a4ec49f5aed41a19ae933bb7c17cb3af088cf50778fe99944b3b3f584.exe	look2.exe
PID 2084 wrote to memory of 2668	2084	ea22fe5a4ec49f5aed41a19ae933bb7c17cb3af088cf50778fe99944b3b3f584.exe	look2.exe
PID 2084 wrote to memory of 2668	2084	ea22fe5a4ec49f5aed41a19ae933bb7c17cb3af088cf50778fe99944b3b3f584.exe	look2.exe
PID 2240 wrote to memory of 2740	2240	svchost.exe	svchcst.exe
PID 2240 wrote to memory of 2740	2240	svchost.exe	svchcst.exe
PID 2240 wrote to memory of 2740	2240	svchost.exe	svchcst.exe
PID 2240 wrote to memory of 2740	2240	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\ea22fe5a4ec49f5aed41a19ae933bb7c17cb3af088cf50778fe99944b3b3f584.exe
"C:\Users\Admin\AppData\Local\Temp\ea22fe5a4ec49f5aed41a19ae933bb7c17cb3af088cf50778fe99944b3b3f584.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2084

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:2668

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:2344

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:2240

C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\259396216.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
1.3MB

MD5
c6993035b912e575ff3f153811864d29

SHA1
d0b053bb76839b94c89eef96d5bef7f2f4949e62

SHA256
ea22fe5a4ec49f5aed41a19ae933bb7c17cb3af088cf50778fe99944b3b3f584

SHA512
2e3c2fd4d6228a33633913c2f528e5f9e58f32c3d6a2ae0cc490e6bf95603139e1493deb57233552c381ca276ff9bfd8bf13ad8ed595b2c07a6973c405d98008

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

Filesize
337KB

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
\Windows\SysWOW64\259396216.bat

Filesize
51KB

MD5
47820b655ca201123d47fd059d04be34

SHA1
e6b7e5f46d81bede7840a8347ddd2f16bcd15191

SHA256
8fb4449549fa20edba3ec81b62a172c764b6695285fa3ad22a7bb3a8f2114345

SHA512
17d9f5285103cecc2a7a06667b54ba4b3dafd60089dc2a736985623d02f500267cee85b1caf41ce2f5b65285cb3818ff66696c83de448ba9d870036a821f5d36

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