gh0strat | ce5d16b752c67a6656d9a9af830a6cd042467f31681178dfec2df843fd168ff9

General

Target
ce5d16b752c67a6656d9a9af830a6cd042467f31681178dfec2df843fd168ff9.exe
Size 4.5MB
Sample260803-cf2b3azzds
SHA256 ce5d16b752c67a6656d9a9af830a6cd042467f31681178dfec2df843fd168ff9
MD5 bb12a73a7293b18c8736e3ba6b27a5f3
SHA1 4825ac2aed89c4df1c5082346a8dbbcbfc142bc8
SHA512 e509104c569c5f465f348cdc83cea9faf2f4430eca6002b7992ab59c83ffba1b5a4fb5dc554d36e8b80eab5cc4ac04be4ef528c778c8a59a83c9b8a14e732838
SSDEEP 49152:iYREXSVMDi3hbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8ITDnl27PLn:H2SVMD8hbXsPN5kiQaZ56
TLSH
T1EA26C22126D4CFE1D46F1070DC66BAF6912BAE20CF554FCB6E847E1A39305D2AA3161F
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
behavioral1/files/0x0007000000024533-5.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\\240659437.bat"	look2.exe

Executes dropped EXE 3 IoCs

pid	Process
812	look2.exe
64	HD_ce5d16b752c67a6656d9a9af830a6cd042467f31681178dfec2df843fd168ff9.exe
2876	svchcst.exe

Loads dropped DLL 3 IoCs

pid	Process
812	look2.exe
3728	svchost.exe
2876	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\240659437.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	ce5d16b752c67a6656d9a9af830a6cd042467f31681178dfec2df843fd168ff9.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 5 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	ce5d16b752c67a6656d9a9af830a6cd042467f31681178dfec2df843fd168ff9.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	HD_ce5d16b752c67a6656d9a9af830a6cd042467f31681178dfec2df843fd168ff9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchcst.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4692	ce5d16b752c67a6656d9a9af830a6cd042467f31681178dfec2df843fd168ff9.exe
4692	ce5d16b752c67a6656d9a9af830a6cd042467f31681178dfec2df843fd168ff9.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4692	ce5d16b752c67a6656d9a9af830a6cd042467f31681178dfec2df843fd168ff9.exe
4692	ce5d16b752c67a6656d9a9af830a6cd042467f31681178dfec2df843fd168ff9.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4692 wrote to memory of 812	4692	ce5d16b752c67a6656d9a9af830a6cd042467f31681178dfec2df843fd168ff9.exe	86
PID 4692 wrote to memory of 64	4692	ce5d16b752c67a6656d9a9af830a6cd042467f31681178dfec2df843fd168ff9.exe	89
PID 3728 wrote to memory of 2876	3728	svchost.exe	93

C:\Users\Admin\AppData\Local\Temp\ce5d16b752c67a6656d9a9af830a6cd042467f31681178dfec2df843fd168ff9.exe
"C:\Users\Admin\AppData\Local\Temp\ce5d16b752c67a6656d9a9af830a6cd042467f31681178dfec2df843fd168ff9.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4692
- 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:812
- C:\Users\Admin\AppData\Local\Temp\HD_ce5d16b752c67a6656d9a9af830a6cd042467f31681178dfec2df843fd168ff9.exe
  C:\Users\Admin\AppData\Local\Temp\HD_ce5d16b752c67a6656d9a9af830a6cd042467f31681178dfec2df843fd168ff9.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:64

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:2140

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:3728
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\240659437.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2876

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k "svchcst"
1⤵
PID:4384

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 1.4MB
SHA256 9f1f7d449cab37f36a9e6835ef287d916f4f503124ead285a84091bf53587b30
MD5 dec303ea910f900a0311f7971215d535
SHA1 dde905512674398194efd6919d80903dcc80b08c
SHA512 816d8907e504c92288f45f7dec68437cfe4efc513dfe712fc92fe4d973a9ba2eeef19b952d46d35a2529700b539fd5fdda57c6d0221f91eed4be690e0c212152
SSDEEP 24576:iYFbkIsaPiXSVnC7Yp9zkNmZG8RRlnJyzH7O:iYREXSVMDi3X
TLSH
T1DC657C12BA91CFB1C54F1431C8A6A7F59677AF40CE118BC7A3D8FE2D7872181A636127
MD5 SHA1 SHA512 SSDEEP TLSH

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HD_ce5d16b752c67a6656d9a9af830a6cd042467f31681178dfec2df843fd168ff9.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_ce5d16b752c67a6656d9a9af830a6cd042467f31681178dfec2df843fd168ff9.exe
Size 3.1MB
SHA256 f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794
MD5 fb083acd60fe5c3156dc25442be815e3
SHA1 61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8
SHA512 7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6
SSDEEP 49152:0bXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8ITDnl27PLhp:0bXsPN5kiQaZ56
TLSH
T14BE5802126D4CFE1D46F20B0DD66BAF6512BAD24CF564FCB6D803E1A35305D2AA31A1F
MD5 SHA1 SHA512 SSDEEP TLSH

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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
TLSH
T1B474BF137FE4C8B6C59351324EE25F7AA1F6FE902E224A4333956F0CDD32691963A316
MD5 SHA1 SHA512 SSDEEP TLSH

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240659437.bat

Path C:\Windows\SysWOW64\240659437.bat
Size 51KB
SHA256 98e5aa4d03222737e12f4743e2d5bc1d2f5ca1ea1f82fcaec431fe506787bacf
MD5 964df5da715d9bfef126353bd6cc6398
SHA1 a5d895aa53693fc0c7337f4e96a1b34c7cc95395
SHA512 54fd3d881fdfbd4eda9c636f3166be238a8e47464c61900b6e4cbf3c1a557beb82fbf8b16bb5a4d7104970390f750b05d340d33dbdadd16a23167f73f212a1e8
SSDEEP 1536:1WmqoiBMNbMWtYNif/n9S91BF3frnoL1JYH5:1dWubF3n9S91BF3fboxJYH5
TLSH
T181333A02EE8D88F5F145177038AA33B6953ABDE036996A931F53DDA5C87B370F12D242
MD5 SHA1 SHA512 SSDEEP TLSH

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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
TLSH
T127532AC2FA00C171D4A7563019778F1A5766AC13DB728ACB94B0B4A41EB3291AD3E5FF
MD5 SHA1 SHA512 SSDEEP TLSH

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads