gh0strat | 4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2

General

Target

4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe
Size

4.3MB
MD5

adce9c40eca494717f1b12c6f86c7faa
SHA1

f2979779fa3f49bfb3c9f6521951b2fe96640178
SHA256

4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2
SHA512

8d6f8a3a6906da0de4e469867baf78cddfa2240c13e02fdfd989c30620ce656e142c8a0f78526393a3dbf1d6fb653f441b20183906e5d33c3abca2785cfc2343
SSDEEP

98304:C2SVMD8znlEeVaoYveHz0fCF2rkV8csteB+:S9nlEka2Hz0fCF2r08hteB+

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259396652.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\\259396652.bat"	look2.exe

Executes dropped EXE 3 IoCs

Processes:

look2.exeHD_4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exesvchcst.exe

pid process

2396 look2.exe
2964 HD_4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe
2904 svchcst.exe

pid	process
2396	look2.exe
2964	HD_4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe
2904	svchcst.exe

Loads dropped DLL 6 IoCs

Processes:

4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exelook2.exesvchost.exesvchcst.exe

pid	process
856	4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe
2396	look2.exe
2748	svchost.exe
856	4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe
2748	svchost.exe
2904	svchcst.exe

Drops file in System32 directory 4 IoCs

Processes:

look2.exesvchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\259396652.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

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

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe

pid process

856 4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

HD_4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe

description pid process

Token: SeDebugPrivilege 2964 HD_4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

HD_4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe

pid process

2964 HD_4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe

description	pid	process
Token: SeDebugPrivilege	2964	HD_4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe

pid	process
2964	HD_4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe

pid	process
856	4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe
856	4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exesvchost.exe

description	pid	process	target process
PID 856 wrote to memory of 2396	856	4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe	look2.exe
PID 856 wrote to memory of 2396	856	4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe	look2.exe
PID 856 wrote to memory of 2396	856	4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe	look2.exe
PID 856 wrote to memory of 2396	856	4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe	look2.exe
PID 856 wrote to memory of 2964	856	4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe	HD_4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe
PID 856 wrote to memory of 2964	856	4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe	HD_4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe
PID 856 wrote to memory of 2964	856	4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe	HD_4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe
PID 856 wrote to memory of 2964	856	4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe	HD_4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe
PID 2748 wrote to memory of 2904	2748	svchost.exe	svchcst.exe
PID 2748 wrote to memory of 2904	2748	svchost.exe	svchcst.exe
PID 2748 wrote to memory of 2904	2748	svchost.exe	svchcst.exe
PID 2748 wrote to memory of 2904	2748	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe
"C:\Users\Admin\AppData\Local\Temp\4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:856

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:2396

C:\Users\Admin\AppData\Local\Temp\HD_4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe
C:\Users\Admin\AppData\Local\Temp\HD_4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2964

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:2112

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:2748

C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\259396652.bat",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2904

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

\Users\Admin\AppData\Local\Temp\HD_4c19688930fc9f8e3cb42cdbdf12ea0750e8362ef37f2a26711039f68e6dacf2.exe
Filesize
3.1MB

MD5
61e712d8ad30d9c503c58b7396d4d698

SHA1
6b05586a96d3ea43fe9774173e3fb05498ceb182

SHA256
49c87749a6bdfd4005653e9754e97f80d8c4e30c642543a6e5d1a18805c558f9

SHA512
0d638ec5af12f70b81e90c94cd2f577991cf805a082393f93ac5e91ce05e88fbd21333d39dba3c76cc4be7bd8726b51f40e757ecc13a440738c3d31f2915cb15

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

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
\Windows\SysWOW64\259396652.bat
Filesize
51KB

MD5
df7e586fad3bbffb52f95c259ec402eb

SHA1
0cd7c80885bce005ca11d80d6230667c4c351745

SHA256
78228ba833c7a7aef804a14063e9fb84a230ea5bda5e602f13f62ee504328250

SHA512
627c2b9614be02776484c2285d92ff81f7b72430ef44011015530cb6bf42d1fbb968f3c5d3c50243c8d6ad3d3bef2b47097dc0e9f06240df86647ada53da346a

Download Submit
\Windows\SysWOW64\svchcst.exe
Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2964-19-0x0000000000D20000-0x0000000001032000-memory.dmp

Filesize
3.1MB

Download
memory/2964-20-0x000000001BD00000-0x000000001BFBE000-memory.dmp

Filesize
2.7MB

Download
memory/2964-25-0x0000000000660000-0x000000000066A000-memory.dmp

Filesize
40KB

Download
memory/2964-24-0x0000000000660000-0x000000000066A000-memory.dmp

Filesize
40KB

Download
memory/2964-28-0x000000001B040000-0x000000001B0E8000-memory.dmp

Filesize
672KB

Download
memory/2964-42-0x0000000000660000-0x000000000066A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads