gh0strat | 43ba1ca256951b07136f61c080529ebef8b32202af905db29eea97266ee667b5

General

Target

43ba1ca256951b07136f61c080529ebef8b32202af905db29eea97266ee667b5.exe
Size

1.6MB
MD5

5b7378b2d7067b19d0b81c1a46f92462
SHA1

38045ff70d5cf3f718f09f5af17294995f17b4f5
SHA256

43ba1ca256951b07136f61c080529ebef8b32202af905db29eea97266ee667b5
SHA512

54c706af377ad61468551650cf9e5f3f75510844e10625c5a89ad853b1a60ce513cbbff4d25d1c0a1fd6e73df5cdd3eefbfc95288153f61f41bcf5d25c274a17
SSDEEP

24576:EYFbkIsaPiXSVnC7Yp9zkNmZG8RRlnMyzy+SD:EYREXSVMDi37I

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/files/0x00350000000144e9-6.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\\259395061.bat"	look2.exe

Executes dropped EXE 2 IoCs

pid	Process
2088	look2.exe
3052	svchcst.exe

Loads dropped DLL 5 IoCs

pid	Process
3068	43ba1ca256951b07136f61c080529ebef8b32202af905db29eea97266ee667b5.exe
2088	look2.exe
2500	svchost.exe
2500	svchost.exe
3052	svchcst.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259395061.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	43ba1ca256951b07136f61c080529ebef8b32202af905db29eea97266ee667b5.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
3068	43ba1ca256951b07136f61c080529ebef8b32202af905db29eea97266ee667b5.exe
3068	43ba1ca256951b07136f61c080529ebef8b32202af905db29eea97266ee667b5.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 2088	3068	43ba1ca256951b07136f61c080529ebef8b32202af905db29eea97266ee667b5.exe	28
PID 3068 wrote to memory of 2088	3068	43ba1ca256951b07136f61c080529ebef8b32202af905db29eea97266ee667b5.exe	28
PID 3068 wrote to memory of 2088	3068	43ba1ca256951b07136f61c080529ebef8b32202af905db29eea97266ee667b5.exe	28
PID 3068 wrote to memory of 2088	3068	43ba1ca256951b07136f61c080529ebef8b32202af905db29eea97266ee667b5.exe	28
PID 2500 wrote to memory of 3052	2500	svchost.exe	31
PID 2500 wrote to memory of 3052	2500	svchost.exe	31
PID 2500 wrote to memory of 3052	2500	svchost.exe	31
PID 2500 wrote to memory of 3052	2500	svchost.exe	31

C:\Users\Admin\AppData\Local\Temp\43ba1ca256951b07136f61c080529ebef8b32202af905db29eea97266ee667b5.exe
"C:\Users\Admin\AppData\Local\Temp\43ba1ca256951b07136f61c080529ebef8b32202af905db29eea97266ee667b5.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3068
- 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:2088

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:2592

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:2500
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\259395061.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:3052

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
5b7378b2d7067b19d0b81c1a46f92462

SHA1
38045ff70d5cf3f718f09f5af17294995f17b4f5

SHA256
43ba1ca256951b07136f61c080529ebef8b32202af905db29eea97266ee667b5

SHA512
54c706af377ad61468551650cf9e5f3f75510844e10625c5a89ad853b1a60ce513cbbff4d25d1c0a1fd6e73df5cdd3eefbfc95288153f61f41bcf5d25c274a17

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

Filesize
337KB

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
\Windows\SysWOW64\259395061.bat

Filesize
51KB

MD5
af5759007e2a8ae88d845107b50b4122

SHA1
1fc6738f72c2111cca4a86a8b8cf34c9a82adc79

SHA256
5178f2f10020e274d5614c2d0d53aa50d8ceecd6c8c247afad4f9947a00121a4

SHA512
c611a656ae1d3b2487c6301b9ae08df99e6655e380b2906c91787aa107461620475b51ec0e8e19c9873c052616fa08f799bddae07c06616fd09db4b5d0342304

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