gh0strat | d889d9893d8262d0c3abcf03dcd578f4d16d3affab5e0246f04ce6e8d086f713

General

Target
d889d9893d8262d0c3abcf03dcd578f4d16d3affab5e0246f04ce6e8d086f713.exe
Size 1.1MB
Sample260508-jzm24sew21
SHA256 d889d9893d8262d0c3abcf03dcd578f4d16d3affab5e0246f04ce6e8d086f713
MD5 2667d8fd45c46f3a742ca83980526d51
SHA1 554e3d2cc192dd3d772fa95bdb7ebe97a6de2db5
SHA512 e61774a62a401d02108de17f96a52cd75fce8083c45fb55f3875e1c40c8a256bf4ea47487da72f5cb244fc4c2fe4a6c8f8905b0852b98f1fc58412e756a63628
SSDEEP 24576:kYFbkIsaPiXSVnC7Yp9zjNmZG8RRl9DyzB:kYREXSVMKi3I
TLSH
T16F35B017BE9284F5C64514308CA66B76D6759F900F12CB87A3E8FE2D7D32241D63B23A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery gh0strat persistence rat

Malware Config

Signatures

Family: 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

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral2/files/0x001b00000002b323-5.dat	family_gh0strat

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\svchcst\Parameters\ServiceDll = "C:\\Windows\\system32\\240663265.bat"	look2.exe

Executes dropped EXE 2 IoCs

pid	Process
1892	look2.exe
704	svchcst.exe

Loads dropped DLL 3 IoCs

pid	Process
1892	look2.exe
3328	svchost.exe
704	svchcst.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240663265.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)\Microsoft\Edge\Application\msedge.exe	d889d9893d8262d0c3abcf03dcd578f4d16d3affab5e0246f04ce6e8d086f713.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d889d9893d8262d0c3abcf03dcd578f4d16d3affab5e0246f04ce6e8d086f713.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	look2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchcst.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1464	d889d9893d8262d0c3abcf03dcd578f4d16d3affab5e0246f04ce6e8d086f713.exe
1464	d889d9893d8262d0c3abcf03dcd578f4d16d3affab5e0246f04ce6e8d086f713.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1464 wrote to memory of 1892	1464	d889d9893d8262d0c3abcf03dcd578f4d16d3affab5e0246f04ce6e8d086f713.exe	80
PID 3328 wrote to memory of 704	3328	svchost.exe	85

C:\Users\Admin\AppData\Local\Temp\d889d9893d8262d0c3abcf03dcd578f4d16d3affab5e0246f04ce6e8d086f713.exe
"C:\Users\Admin\AppData\Local\Temp\d889d9893d8262d0c3abcf03dcd578f4d16d3affab5e0246f04ce6e8d086f713.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1464
- C:\Users\Admin\AppData\Local\Temp\look2.exe
  C:\Users\Admin\AppData\Local\Temp\\look2.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:1892

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:1564

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3328
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\240663265.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:704

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k "svchcst"
1⤵
PID:2468

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

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 1.1MB
SHA256 d889d9893d8262d0c3abcf03dcd578f4d16d3affab5e0246f04ce6e8d086f713
MD5 2667d8fd45c46f3a742ca83980526d51
SHA1 554e3d2cc192dd3d772fa95bdb7ebe97a6de2db5
SHA512 e61774a62a401d02108de17f96a52cd75fce8083c45fb55f3875e1c40c8a256bf4ea47487da72f5cb244fc4c2fe4a6c8f8905b0852b98f1fc58412e756a63628
SSDEEP 24576:kYFbkIsaPiXSVnC7Yp9zjNmZG8RRl9DyzB:kYREXSVMKi3I
TLSH
T16F35B017BE9284F5C64514308CA66B76D6759F900F12CB87A3E8FE2D7D32241D63B23A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

look2.exe

Path C:\Users\Admin\AppData\Local\Temp\look2.exe
Size 337KB
SHA256 5ea8c5455f0ebe884ed98834e78ead8b6c68814bbb1723370299fa44b88c0faa
MD5 fb66e1e31fa1e6dfb21a50ccd11e0409
SHA1 6c45a0a115ec896eb14a531a44809b2a22cf8934
SHA512 58ee149f70438296a67d5ae5cbd6cb9f5b2510a0381466b8f09eec3835be1ce7cad6903ca8fbc9273105132e85952208e78c59f776416c5449b86cc62111154b
SSDEEP 6144:8IXwWcHnNmZEvB7csAPRZyfQjCfA3lMXm4Y+5bFnWBFopJO+:8IXwDNmZEvJcscRZzjCI1O5W
TLSH
T1B674BF137FE4C8B6C59351324EE25F7AA1F6FE902E224A4333956F0CDD32691963A316
MD5 SHA1 SHA512 SSDEEP TLSH

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240663265.bat

Path C:\Windows\SysWOW64\240663265.bat
Size 51KB
SHA256 955c06995cbafe41439b76479dfac65a5d296c39859498c23067004261349bbd
MD5 4a31ef887933d1de4235ac3fe9e0cad9
SHA1 86f8ff7f996ff00955e4b1781769872af193b51b
SHA512 8be91031943e2af6c1ed7937f19e3cf9ff46e483945fd4b1144a5ddab695ed34b06320719b78e23aa2ec6cd9e4edce00231fa33d485c851fa192421beccf7213
SSDEEP 1536:1WmqoiBMNbMWtYNif/n9S91BF3frnoLCJYH5:1dWubF3n9S91BF3fboGJYH5
TLSH
T13F333A02DE8D88F5F145177038AA33B6953ABDE036996A931F53DDA9C87B370F12D242
MD5 SHA1 SHA512 SSDEEP TLSH

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svchcst.exe

Path C:\Windows\SysWOW64\svchcst.exe
Size 40KB
SHA256 8dcaeeebef9b9f3d41d295db145ffb3850f309d089c08125c7fa7034db5fd80e
MD5 22bb5bd901d8b25ac5b41edbb7d5053e
SHA1 8a935dd8d7e104fc553ff7e8b54a404f7b079334
SHA512 cc3fb68fd6791a08e4a7d1a8db8d07cfcc8c9b9dceec10b53f0cb7ee86473303a19be4f23e379f84c59e02d0568e7c066e21cd1300f6032dac4ba52f609f62e7
SSDEEP 768:C67uhQpPPp0nnqFk509FRdVcQX6N58hJYim1jLP3RRe:C67uhQpXp0nnqa5093jKNAmB3RR
TLSH
T10C134C02BE88C071DDA114B41A5DB337939DED604B1586D3593887EBAA2D3E39E343DE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/704-28-0x0000000000D40000-0x0000000000D47000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads