gh0strat | da57db5c40afed32e69817e0594032f41ace0a6a91841b709380020aa863e0ad

General

Target
da57db5c40afed32e69817e0594032f41ace0a6a91841b709380020aa863e0ad.exe
Size 2.0MB
Sample240529-hbdm4aec73
SHA256 da57db5c40afed32e69817e0594032f41ace0a6a91841b709380020aa863e0ad
MD5 6d078f4a715c56b0237c8eb9c6156873
SHA1 c5ec8acd0d17132ae8ec50e2b51c7e4424c9ba17
SHA512 bd3873ed261d7d4b1be378f2d42cda48b0f8442eb7f0b77ec3817825b6ba25b46e7192cd827800e7aaa408b50d7a03a1223fd6af9d2770bde0714d66f5dd2557
SSDEEP 24576:2YFbkIsaPiXSVnC7Yp9zkNmZG8RRln0yzWTbCyWI8STzQepfIuq4D26edVYnH:2YREXSVMDi3qT+yWIFzauqBrdYH
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral2/files/0x00080000000233fc-11.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\\240602484.bat"	look2.exe

Executes dropped EXE 3 IoCs

pid	Process
2084	look2.exe
4744	HD_da57db5c40afed32e69817e0594032f41ace0a6a91841b709380020aa863e0ad.exe
2808	svchcst.exe

Loads dropped DLL 3 IoCs

pid	Process
2084	look2.exe
3020	svchost.exe
2808	svchcst.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
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\240602484.bat	look2.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	look2.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
2008	da57db5c40afed32e69817e0594032f41ace0a6a91841b709380020aa863e0ad.exe
2008	da57db5c40afed32e69817e0594032f41ace0a6a91841b709380020aa863e0ad.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2008	da57db5c40afed32e69817e0594032f41ace0a6a91841b709380020aa863e0ad.exe
2008	da57db5c40afed32e69817e0594032f41ace0a6a91841b709380020aa863e0ad.exe
4744	HD_da57db5c40afed32e69817e0594032f41ace0a6a91841b709380020aa863e0ad.exe
4744	HD_da57db5c40afed32e69817e0594032f41ace0a6a91841b709380020aa863e0ad.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2008 wrote to memory of 2084	2008	da57db5c40afed32e69817e0594032f41ace0a6a91841b709380020aa863e0ad.exe	83
PID 2008 wrote to memory of 2084	2008	da57db5c40afed32e69817e0594032f41ace0a6a91841b709380020aa863e0ad.exe	83
PID 2008 wrote to memory of 2084	2008	da57db5c40afed32e69817e0594032f41ace0a6a91841b709380020aa863e0ad.exe	83
PID 2008 wrote to memory of 4744	2008	da57db5c40afed32e69817e0594032f41ace0a6a91841b709380020aa863e0ad.exe	86
PID 2008 wrote to memory of 4744	2008	da57db5c40afed32e69817e0594032f41ace0a6a91841b709380020aa863e0ad.exe	86
PID 2008 wrote to memory of 4744	2008	da57db5c40afed32e69817e0594032f41ace0a6a91841b709380020aa863e0ad.exe	86
PID 3020 wrote to memory of 2808	3020	svchost.exe	97
PID 3020 wrote to memory of 2808	3020	svchost.exe	97
PID 3020 wrote to memory of 2808	3020	svchost.exe	97

C:\Users\Admin\AppData\Local\Temp\da57db5c40afed32e69817e0594032f41ace0a6a91841b709380020aa863e0ad.exe
"C:\Users\Admin\AppData\Local\Temp\da57db5c40afed32e69817e0594032f41ace0a6a91841b709380020aa863e0ad.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2008
- 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:2084
- C:\Users\Admin\AppData\Local\Temp\HD_da57db5c40afed32e69817e0594032f41ace0a6a91841b709380020aa863e0ad.exe
  C:\Users\Admin\AppData\Local\Temp\HD_da57db5c40afed32e69817e0594032f41ace0a6a91841b709380020aa863e0ad.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:4744

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:3028

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:3020
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\240602484.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2808

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_da57db5c40afed32e69817e0594032f41ace0a6a91841b709380020aa863e0ad.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_da57db5c40afed32e69817e0594032f41ace0a6a91841b709380020aa863e0ad.exe
Size 872KB
SHA256 787637174a705436843c947e144d737c4ca01a6c536c8fa55937b01378599136
MD5 d2aefe35f764a7222976439c124ab783
SHA1 3c12de6dde51ade0bbd97db0808c3f2a860b2ef8
SHA512 9ea26bb4185aa6a67de7764f7f8b8a152ef1ae7c216fe553aca06d8be818ae631fc7308062a7286cd315a8d17c795e06973b05f98cc60960337a9211097c27b2
SSDEEP 12288:lIjsZSS8yUQ0Vpfd2uq/4QwmatwWpzpZQ6rxRKdVYnH:lI8STzQepfIuq4D26edVYnH
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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240602484.bat

Path C:\Windows\SysWOW64\240602484.bat
Size 51KB
SHA256 66c6aea4cea94c38c9eb97551323f15462281b52b823e170318d89cb75a58a38
MD5 c21e1c39a0aba2d8a9310a2d0d7f82d2
SHA1 fb2f84119059a2945f01aee4b39dff9538d6cb80
SHA512 422754ba713779ba78e1a0a0f21280962d5d1353dfce23b5669cf04f5f655db1be98c66739bdb820b29e820684784f9dbba764a57077eb9d04baa3760a4892d9
SSDEEP 1536:1WmqoiBMNbMWtYNif/n9S91BF3frnoLcJYH5:1dWubF3n9S91BF3fbogJYH5
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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Downloads