gh0strat | 87535f29b6389c95657d0f94fdfd35a2048618e97c33613dfa089f0c2815a090

General

Target

87535f29b6389c95657d0f94fdfd35a2048618e97c33613dfa089f0c2815a090.exe
Size

1.6MB
MD5

1d1c978ee5efc1d9c90c359ecbfd05fb
SHA1

1ce211fe762ae5cf0b0233058f9cba7e37bf5dfb
SHA256

87535f29b6389c95657d0f94fdfd35a2048618e97c33613dfa089f0c2815a090
SHA512

f514abb37fb846061d814bfa89e09ba7951ddef5bbf880f60ce5b820f6977fe4fdc394583927e1497808ea15bcdfb3c2c4ecc16c00e315028476a59e3e0ed216
SSDEEP

24576:6YFbkIsaPiXSVnC7Yp9zkNmZG8RRlnmyzHLpstyg:6YREXSVMDi3nEyg

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/files/0x00230000000122f8-6.dat	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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\svchcst\Parameters\ServiceDll = "C:\\Windows\\system32\\259423391.bat"	look2.exe

Executes dropped EXE 2 IoCs

pid	Process
1888	look2.exe
2460	svchcst.exe

Loads dropped DLL 5 IoCs

pid	Process
1312	87535f29b6389c95657d0f94fdfd35a2048618e97c33613dfa089f0c2815a090.exe
1888	look2.exe
2828	svchost.exe
2828	svchost.exe
2460	svchcst.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259423391.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

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	87535f29b6389c95657d0f94fdfd35a2048618e97c33613dfa089f0c2815a090.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

pid	Process
1312	87535f29b6389c95657d0f94fdfd35a2048618e97c33613dfa089f0c2815a090.exe
1312	87535f29b6389c95657d0f94fdfd35a2048618e97c33613dfa089f0c2815a090.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1312 wrote to memory of 1888	1312	87535f29b6389c95657d0f94fdfd35a2048618e97c33613dfa089f0c2815a090.exe	28
PID 1312 wrote to memory of 1888	1312	87535f29b6389c95657d0f94fdfd35a2048618e97c33613dfa089f0c2815a090.exe	28
PID 1312 wrote to memory of 1888	1312	87535f29b6389c95657d0f94fdfd35a2048618e97c33613dfa089f0c2815a090.exe	28
PID 1312 wrote to memory of 1888	1312	87535f29b6389c95657d0f94fdfd35a2048618e97c33613dfa089f0c2815a090.exe	28
PID 2828 wrote to memory of 2460	2828	svchost.exe	31
PID 2828 wrote to memory of 2460	2828	svchost.exe	31
PID 2828 wrote to memory of 2460	2828	svchost.exe	31
PID 2828 wrote to memory of 2460	2828	svchost.exe	31

C:\Users\Admin\AppData\Local\Temp\87535f29b6389c95657d0f94fdfd35a2048618e97c33613dfa089f0c2815a090.exe
"C:\Users\Admin\AppData\Local\Temp\87535f29b6389c95657d0f94fdfd35a2048618e97c33613dfa089f0c2815a090.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1312
- 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:1888

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:2252

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:2828
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\259423391.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2460

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
1.6MB

MD5
1d1c978ee5efc1d9c90c359ecbfd05fb

SHA1
1ce211fe762ae5cf0b0233058f9cba7e37bf5dfb

SHA256
87535f29b6389c95657d0f94fdfd35a2048618e97c33613dfa089f0c2815a090

SHA512
f514abb37fb846061d814bfa89e09ba7951ddef5bbf880f60ce5b820f6977fe4fdc394583927e1497808ea15bcdfb3c2c4ecc16c00e315028476a59e3e0ed216

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

Filesize
337KB

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
\Windows\SysWOW64\259423391.bat

Filesize
51KB

MD5
025373a274d0b7436ef64c3135b6c1d3

SHA1
7838684e3227517b61c7877e61571d932817b6e9

SHA256
6745a5f92d90b2b3165c4bad287ed3ed45679bf29e5bfdedf3a0747bd23b102e

SHA512
e8319712194e934a7eaeacbf76fc9ea169e7a3871e9c95e240140bc78956edbcb945b7e3172c1ceb0eb7423c78fdb931df0232512cc0dea676157062e5645738

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