gh0strat | 4dd287979590353dba68af967a633f7313267700256647f827ad5c46ec082e6e

General

Target

4dd287979590353dba68af967a633f7313267700256647f827ad5c46ec082e6e.exe
Size

1.2MB
MD5

92812a779e713b8eb1cfb3a24e073f63
SHA1

ced6477147ed84b3fda7caef451b4270fea2a059
SHA256

4dd287979590353dba68af967a633f7313267700256647f827ad5c46ec082e6e
SHA512

a9fbd24cb6b2ffe5f539fad4ffbb8ef786048099233c195f341790db58dba49a2516f6022cb2f6e63df2f0a8f2772a3b5e61b51425458cf2ebf4dfd4f1040c4c
SSDEEP

24576:tYFbkIsaPiXSVnC7Yp9zkNmZG8RRlnOyzCOt:tYREXSVMDi3YK

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259397557.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\\259397557.bat"	look2.exe

Executes dropped EXE 2 IoCs

Processes:

look2.exesvchcst.exe

pid process

2052 look2.exe
2648 svchcst.exe
Loads dropped DLL 5 IoCs

Processes:

4dd287979590353dba68af967a633f7313267700256647f827ad5c46ec082e6e.exelook2.exesvchost.exesvchcst.exe

pid process

1752 4dd287979590353dba68af967a633f7313267700256647f827ad5c46ec082e6e.exe
2052 look2.exe
3008 svchost.exe
3008 svchost.exe
2648 svchcst.exe

pid	process
2052	look2.exe
2648	svchcst.exe

Drops file in System32 directory 4 IoCs

Processes:

look2.exesvchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\259397557.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:

4dd287979590353dba68af967a633f7313267700256647f827ad5c46ec082e6e.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	4dd287979590353dba68af967a633f7313267700256647f827ad5c46ec082e6e.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:

4dd287979590353dba68af967a633f7313267700256647f827ad5c46ec082e6e.exe

pid	process
1752	4dd287979590353dba68af967a633f7313267700256647f827ad5c46ec082e6e.exe
1752	4dd287979590353dba68af967a633f7313267700256647f827ad5c46ec082e6e.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

4dd287979590353dba68af967a633f7313267700256647f827ad5c46ec082e6e.exesvchost.exe

description	pid	process	target process
PID 1752 wrote to memory of 2052	1752	4dd287979590353dba68af967a633f7313267700256647f827ad5c46ec082e6e.exe	look2.exe
PID 1752 wrote to memory of 2052	1752	4dd287979590353dba68af967a633f7313267700256647f827ad5c46ec082e6e.exe	look2.exe
PID 1752 wrote to memory of 2052	1752	4dd287979590353dba68af967a633f7313267700256647f827ad5c46ec082e6e.exe	look2.exe
PID 1752 wrote to memory of 2052	1752	4dd287979590353dba68af967a633f7313267700256647f827ad5c46ec082e6e.exe	look2.exe
PID 3008 wrote to memory of 2648	3008	svchost.exe	svchcst.exe
PID 3008 wrote to memory of 2648	3008	svchost.exe	svchcst.exe
PID 3008 wrote to memory of 2648	3008	svchost.exe	svchcst.exe
PID 3008 wrote to memory of 2648	3008	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\4dd287979590353dba68af967a633f7313267700256647f827ad5c46ec082e6e.exe
"C:\Users\Admin\AppData\Local\Temp\4dd287979590353dba68af967a633f7313267700256647f827ad5c46ec082e6e.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1752

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:2052

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:3000

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:3008

C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\259397557.bat",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2648

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
1.2MB

MD5
92812a779e713b8eb1cfb3a24e073f63

SHA1
ced6477147ed84b3fda7caef451b4270fea2a059

SHA256
4dd287979590353dba68af967a633f7313267700256647f827ad5c46ec082e6e

SHA512
a9fbd24cb6b2ffe5f539fad4ffbb8ef786048099233c195f341790db58dba49a2516f6022cb2f6e63df2f0a8f2772a3b5e61b51425458cf2ebf4dfd4f1040c4c

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

Filesize
337KB

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
\Windows\SysWOW64\259397557.bat

Filesize
51KB

MD5
9e164ea5451863b508942a7f6c6d3f6d

SHA1
0ed210b200a0219cb72b1d045fc503c3b3405edd

SHA256
9db6765b68a8bf6e6b0038934a33d7f9b600db0b1085f03e09e55f892b35eb99

SHA512
62358f6a7f1dbdd2798337d82c336a5c55827d732e4d50ded52a20656019c7755d3c76b69b2d92b6b456921dfdda9b1a4a0531548c8e7efce129c27a861659e1

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 Enterprise v15

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Downloads