gh0strat | fbcc1ad4ff00419232dc85f007abb0763f82d00b086e9958f2d02dc37b266812

General

Target

fbcc1ad4ff00419232dc85f007abb0763f82d00b086e9958f2d02dc37b266812.exe
Size

1.6MB
MD5

a3cc6da61c8e5895483552461ab78463
SHA1

84b530f2931ee02dfc4891fadb481db49f5b7071
SHA256

fbcc1ad4ff00419232dc85f007abb0763f82d00b086e9958f2d02dc37b266812
SHA512

0fccf6f8795755254474934c69a0406a3add1ec6b6f77c274d53cafc77094662914618c452bc4318d8d6fde448359d248418be664372df11c55671ffc88fbdfc
SSDEEP

24576:gYFbkIsaPiXSVnC7Yp9zjNmZG8RRl9ByzHTqfa14:gYREXSVMKi3Gqf5

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259400022.bat	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

Processes:

look2.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\svchcst\Parameters\ServiceDll = "C:\\Windows\\system32\\259400022.bat"	look2.exe

Executes dropped EXE 2 IoCs

Processes:

look2.exesvchcst.exe

pid process

2220 look2.exe
2792 svchcst.exe
Loads dropped DLL 5 IoCs

Processes:

fbcc1ad4ff00419232dc85f007abb0763f82d00b086e9958f2d02dc37b266812.exelook2.exesvchost.exesvchcst.exe

pid process

2140 fbcc1ad4ff00419232dc85f007abb0763f82d00b086e9958f2d02dc37b266812.exe
2220 look2.exe
2356 svchost.exe
2356 svchost.exe
2792 svchcst.exe

pid	process
2220	look2.exe
2792	svchcst.exe

Drops file in System32 directory 4 IoCs

Processes:

look2.exesvchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\259400022.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

Processes:

fbcc1ad4ff00419232dc85f007abb0763f82d00b086e9958f2d02dc37b266812.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	fbcc1ad4ff00419232dc85f007abb0763f82d00b086e9958f2d02dc37b266812.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

Processes:

fbcc1ad4ff00419232dc85f007abb0763f82d00b086e9958f2d02dc37b266812.exe

pid	process
2140	fbcc1ad4ff00419232dc85f007abb0763f82d00b086e9958f2d02dc37b266812.exe
2140	fbcc1ad4ff00419232dc85f007abb0763f82d00b086e9958f2d02dc37b266812.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

fbcc1ad4ff00419232dc85f007abb0763f82d00b086e9958f2d02dc37b266812.exesvchost.exe

description	pid	process	target process
PID 2140 wrote to memory of 2220	2140	fbcc1ad4ff00419232dc85f007abb0763f82d00b086e9958f2d02dc37b266812.exe	look2.exe
PID 2140 wrote to memory of 2220	2140	fbcc1ad4ff00419232dc85f007abb0763f82d00b086e9958f2d02dc37b266812.exe	look2.exe
PID 2140 wrote to memory of 2220	2140	fbcc1ad4ff00419232dc85f007abb0763f82d00b086e9958f2d02dc37b266812.exe	look2.exe
PID 2140 wrote to memory of 2220	2140	fbcc1ad4ff00419232dc85f007abb0763f82d00b086e9958f2d02dc37b266812.exe	look2.exe
PID 2356 wrote to memory of 2792	2356	svchost.exe	svchcst.exe
PID 2356 wrote to memory of 2792	2356	svchost.exe	svchcst.exe
PID 2356 wrote to memory of 2792	2356	svchost.exe	svchcst.exe
PID 2356 wrote to memory of 2792	2356	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\fbcc1ad4ff00419232dc85f007abb0763f82d00b086e9958f2d02dc37b266812.exe
"C:\Users\Admin\AppData\Local\Temp\fbcc1ad4ff00419232dc85f007abb0763f82d00b086e9958f2d02dc37b266812.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2140

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:2220

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:2392

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:2356

C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\259400022.bat",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2792

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
1.6MB

MD5
a3cc6da61c8e5895483552461ab78463

SHA1
84b530f2931ee02dfc4891fadb481db49f5b7071

SHA256
fbcc1ad4ff00419232dc85f007abb0763f82d00b086e9958f2d02dc37b266812

SHA512
0fccf6f8795755254474934c69a0406a3add1ec6b6f77c274d53cafc77094662914618c452bc4318d8d6fde448359d248418be664372df11c55671ffc88fbdfc

Download Submit
\Users\Admin\AppData\Local\Temp\look2.exe
Filesize
337KB

MD5
fb66e1e31fa1e6dfb21a50ccd11e0409

SHA1
6c45a0a115ec896eb14a531a44809b2a22cf8934

SHA256
5ea8c5455f0ebe884ed98834e78ead8b6c68814bbb1723370299fa44b88c0faa

SHA512
58ee149f70438296a67d5ae5cbd6cb9f5b2510a0381466b8f09eec3835be1ce7cad6903ca8fbc9273105132e85952208e78c59f776416c5449b86cc62111154b

Download Submit
\Windows\SysWOW64\259400022.bat
Filesize
51KB

MD5
8088bb30f5cf76504066ebe07c94d552

SHA1
a2cc2276a9e639366696063bdc9f8f2626eee11d

SHA256
7950ad4946c01e54de393a02279a5c1af48701d94793442e08c020db6a62a31a

SHA512
ca627938f5ef4b298acb2371de7a163c17e16286ebe6a85da97a6b30c812dd658c92029d763570ee48977ddf65df4798c611c40dbccea95854a0ffd10692ccc0

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 Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads