gh0strat | a80f62c8fdb23d2a601f245d43b53dc00291dd8bd53782162694fbabb30ffc79

General

Target
a80f62c8fdb23d2a601f245d43b53dc00291dd8bd53782162694fbabb30ffc79.exe
Size 2.4MB
Sample240526-jpm95ace93
SHA256 a80f62c8fdb23d2a601f245d43b53dc00291dd8bd53782162694fbabb30ffc79
MD5 34734d0f56dc61608590d3ef5d7a8f14
SHA1 58ae2c5deb96e8e5fcb4f5269c7bc571be6b97d5
SHA512 5a2a5abbd048d8da1b8dc49014dd52a2c25fb7024622e0c022e66f24b5264eb60a0aa2ced0f9cf366230934683fbf2274d532e2aea78d8a9799659a3723e5029
SSDEEP 24576:5YFbkIsaPiXSVnC7Yp9zkNmZG8RRlnhyzlvoIuBsRlEOo4p6jXuMhlShXRx27g4j:5YREXSVMDi3aoIuOCo6jXuYHg4j
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral2/files/0x00070000000233c5-5.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\\240602078.bat"	look2.exe

Executes dropped EXE 3 IoCs

pid	Process
4904	look2.exe
876	HD_a80f62c8fdb23d2a601f245d43b53dc00291dd8bd53782162694fbabb30ffc79.exe
3712	svchcst.exe

Loads dropped DLL 3 IoCs

pid	Process
4904	look2.exe
3776	svchost.exe
3712	svchcst.exe

Drops file in System32 directory 4 IoCs

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\240602078.bat	look2.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	a80f62c8fdb23d2a601f245d43b53dc00291dd8bd53782162694fbabb30ffc79.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3924	a80f62c8fdb23d2a601f245d43b53dc00291dd8bd53782162694fbabb30ffc79.exe
3924	a80f62c8fdb23d2a601f245d43b53dc00291dd8bd53782162694fbabb30ffc79.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3924	a80f62c8fdb23d2a601f245d43b53dc00291dd8bd53782162694fbabb30ffc79.exe
3924	a80f62c8fdb23d2a601f245d43b53dc00291dd8bd53782162694fbabb30ffc79.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3924 wrote to memory of 4904	3924	a80f62c8fdb23d2a601f245d43b53dc00291dd8bd53782162694fbabb30ffc79.exe	81
PID 3924 wrote to memory of 4904	3924	a80f62c8fdb23d2a601f245d43b53dc00291dd8bd53782162694fbabb30ffc79.exe	81
PID 3924 wrote to memory of 4904	3924	a80f62c8fdb23d2a601f245d43b53dc00291dd8bd53782162694fbabb30ffc79.exe	81
PID 3776 wrote to memory of 3712	3776	svchost.exe	85
PID 3776 wrote to memory of 3712	3776	svchost.exe	85
PID 3776 wrote to memory of 3712	3776	svchost.exe	85

C:\Users\Admin\AppData\Local\Temp\a80f62c8fdb23d2a601f245d43b53dc00291dd8bd53782162694fbabb30ffc79.exe
"C:\Users\Admin\AppData\Local\Temp\a80f62c8fdb23d2a601f245d43b53dc00291dd8bd53782162694fbabb30ffc79.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3924
- 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:4904
- C:\Users\Admin\AppData\Local\Temp\HD_a80f62c8fdb23d2a601f245d43b53dc00291dd8bd53782162694fbabb30ffc79.exe
  C:\Users\Admin\AppData\Local\Temp\HD_a80f62c8fdb23d2a601f245d43b53dc00291dd8bd53782162694fbabb30ffc79.exe
  2⤵
  - Executes dropped EXE
  PID:876

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:4072

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:3776
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\240602078.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:3712

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

HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 1.2MB
SHA256 f90ae4f272ff66ecad6fc3b368095aa946153c25da7192bc9f7aa9e72dc3232a
MD5 aa045b595e5620a9fce61bf57a898692
SHA1 cb3b9dffaa98bc46181ed66c8e0698e6065c0f0d
SHA512 ad2999c5544f72f7956bf95d439632b2930e4cf5f1ecaec2dde387439afbeef7397ce132c48fdfd10c81356ac20dede10b9a7ee16c6747d01174b370e2e24d05
SSDEEP 24576:5YFbkIsaPiXSVnC7Yp9zkNmZG8RRlnhyzlvn:5YREXSVMDi3an
MD5 SHA1 SHA512 SSDEEP

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HD_a80f62c8fdb23d2a601f245d43b53dc00291dd8bd53782162694fbabb30ffc79.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_a80f62c8fdb23d2a601f245d43b53dc00291dd8bd53782162694fbabb30ffc79.exe
Size 1.2MB
SHA256 8ccf1eea876ee8eec1f62e47c7c04adacfb925ecfbd7ddc67feed1dfa6001637
MD5 4677571cedcd37b420a66c705afbdd45
SHA1 32454dda553fdbf3e0b974e249205f57af3a6bcb
SHA512 cec65a0f0271855c1c789fcef6030ee8a4fa9e8fed93e092b105e002bd911003900dd7dc9228ca5cf3cfa00728c94226fa1b4c90f15289cb4cb61d214b4fd22d
SSDEEP 12288:ZZlsfiW0cMnRrYzHm8lEQkI9tlo4p6jXKTt2lrv3lSbnN2qwgZRME2Bv9ySy4iP2:ZIuBsRlEOo4p6jXuMhlShXRx27g4+vO
MD5 SHA1 SHA512 SSDEEP

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look2.exe

Path C:\Users\Admin\AppData\Local\Temp\look2.exe
Size 337KB
SHA256 86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857
MD5 2f3b6f16e33e28ad75f3fdaef2567807
SHA1 85e907340faf1edfc9210db85a04abd43d21b741
SHA512 db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4
SSDEEP 6144:8IXwWcHnNmZEvB7csAPRZyfQjCfA3lMXm4Y+5bFnWBFopJOU:8IXwDNmZEvJcscRZzjCI1O5W
MD5 SHA1 SHA512 SSDEEP

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240602078.bat

Path C:\Windows\SysWOW64\240602078.bat
Size 51KB
SHA256 75e79724ffed0f3909038d0387a48c2036779be3a680d471dd5a3db487017bc1
MD5 389bccacd8dcbe4230716b9f17bba89e
SHA1 0d0606337b533290e9ba9a01254521e12baa3c93
SHA512 ff56b84b1a5e1eb08e2c20435e6bc50f5efa54ce334d69e19ed61b62a5ee53e80f3d7fcda66426e4ec225a2cef3ddcc86fdee2531c0a80450b486e8e70067f86
SSDEEP 1536:1WmqoiBMNbMWtYNif/n9S91BF3frnoLdJYH5:1dWubF3n9S91BF3fbo5JYH5
MD5 SHA1 SHA512 SSDEEP

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svchcst.exe

Path C:\Windows\SysWOW64\svchcst.exe
Size 60KB
SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
MD5 889b99c52a60dd49227c5e485a016679
SHA1 8fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA512 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
SSDEEP 1536:H9ykYCTdiHQKrFXmw2RQln5IUmDjoX6+:HlMHprF2nRQln5I
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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