gh0strat | 291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef

General

Target

291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe
Size

1.4MB
MD5

438ee0a1cf9b909b068d87e0da2ab62a
SHA1

c35e76a10c27d00b6d502f0e31c89184f32a6126
SHA256

291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef
SHA512

580d8a3f019cff7a953ee4bd2d20f04f741ff0d0db816186b0d5cbbe8919ccb8979af26a9d85b0adf86d143167ce5b1285b09aeef5ee0ae17f1172fed9e01cae
SSDEEP

24576:AYFbkIsaPiXSVnC7Yp9zkNmZG8RRln9yzg+Qk3XS6Gp:AYREXSVMDi39knS

Score

10^/10

gh0strat persistence rat upx

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259426183.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\\259426183.bat"	look2.exe

Executes dropped EXE 3 IoCs

Processes:

look2.exeHD_291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exesvchcst.exe

pid process

2268 look2.exe
2144 HD_291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe
2524 svchcst.exe

pid	process
2268	look2.exe
2144	HD_291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe
2524	svchcst.exe

Loads dropped DLL 6 IoCs

Processes:

291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exelook2.exesvchost.exesvchcst.exe

pid	process
2724	291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe
2268	look2.exe
1612	svchost.exe
2724	291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe
1612	svchost.exe
2524	svchcst.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\HD_291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe	upx
behavioral1/memory/2144-20-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2144-41-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in System32 directory 4 IoCs

Processes:

svchost.exelook2.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\svchcst.exe	svchost.exe
File created	C:\Windows\SysWOW64\259426183.bat	look2.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	look2.exe
File created	C:\Windows\SysWOW64\svchcst.exe	svchost.exe

Drops file in Program Files directory 1 IoCs

Processes:

291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.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:

291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe

pid process

2724 291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

HD_291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe

pid	process
2144	HD_291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe
2144	HD_291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe
2144	HD_291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

HD_291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe

pid	process
2144	HD_291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe
2144	HD_291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe
2144	HD_291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exeHD_291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe

pid	process
2724	291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe
2724	291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe
2144	HD_291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exesvchost.exe

description	pid	process	target process
PID 2724 wrote to memory of 2268	2724	291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe	look2.exe
PID 2724 wrote to memory of 2268	2724	291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe	look2.exe
PID 2724 wrote to memory of 2268	2724	291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe	look2.exe
PID 2724 wrote to memory of 2268	2724	291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe	look2.exe
PID 2724 wrote to memory of 2144	2724	291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe	HD_291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe
PID 2724 wrote to memory of 2144	2724	291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe	HD_291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe
PID 2724 wrote to memory of 2144	2724	291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe	HD_291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe
PID 2724 wrote to memory of 2144	2724	291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe	HD_291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe
PID 1612 wrote to memory of 2524	1612	svchost.exe	svchcst.exe
PID 1612 wrote to memory of 2524	1612	svchost.exe	svchcst.exe
PID 1612 wrote to memory of 2524	1612	svchost.exe	svchcst.exe
PID 1612 wrote to memory of 2524	1612	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe
"C:\Users\Admin\AppData\Local\Temp\291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2724

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:2268

C:\Users\Admin\AppData\Local\Temp\HD_291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe
C:\Users\Admin\AppData\Local\Temp\HD_291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe
2⤵
- Executes dropped EXE
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:2144

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:2000

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:1612

C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\259426183.bat",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2524

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

C:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
1.4MB

MD5
4f162f304e22766c7c47df4f0e7ed638

SHA1
c7ee8b1b74cef79c4bb4f6da6182e65b9da0872b

SHA256
bd81fd38a4e02504189b350320e9acc31d2b6052e2101fc3a4e61faa4de40539

SHA512
544d483fad707dd7aee6563cd4f32dbc006f3b467e6357d4cd758f34af5ed380c964ad99e51d5d17820be02f77db257f0a02823a23805625680c481d555fb687

Download Submit
\Users\Admin\AppData\Local\Temp\HD_291dea7c3a57aaa2cc3581aa2b1a3756b9819625388c0ab4ee6cec0a170049ef.exe

Filesize
47KB

MD5
5d8f6da09e602eb5e6b18a7ca07c2fc9

SHA1
6cb1a2d016f1c167a20db0ca78d6992c58f20355

SHA256
701aa320bebdebf9ea2814ca7c06605b55e0846ed6679b0bd3fa9990d0a4d7b0

SHA512
59bcf7b7e56c1839438cf6d540db5058e9f9653bfed6733fadf9fb3690dc4fde8bfedeece972d8a1c5dd20fa699fe31ad85d7e442fe19150098412ae686f99fe

Download Submit
\Users\Admin\AppData\Local\Temp\look2.exe

Filesize
337KB

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
\Windows\SysWOW64\259426183.bat

Filesize
51KB

MD5
869a3cb7afc5e1bef18ed0b01a587cd9

SHA1
0e95a9c0dbff43ee70457f31cf422a595714ba42

SHA256
76caf6285c0d33b36637291934e3d85c3e7dc84e127a5d39b012828bd71007a9

SHA512
97f67e18434cf6478638bfb0752c6d6f3e96dfe2c8bbbc10f6f87909de0ae5ab927aa20e78349b9bb514452685a38a9ac1a56468c28bd6137bec080f34eee7a3

Download Submit
\Windows\SysWOW64\svchcst.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2144-20-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2144-41-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2724-16-0x0000000000720000-0x000000000074E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads