gh0strat | e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24

Analysis

max time kernel
142s
max time network
148s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
05-07-2024 05:18

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General

Target

e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe
Size

2.2MB
MD5

2dc529598a1d63b9e9fcddcc8ac97d40
SHA1

d98e136143b71aa0debefadc051dcfd3c7388b2b
SHA256

e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24
SHA512

a3f23d6274f5101d11851c0b88770c3dd73c8b6bb95bb1d0ed202d74d41fa79844a843d403c3f7ff9adb73cd38fc791664cfa4fdeac2e7a83afd58cafc4af9f7
SSDEEP

24576:qYFbkIsaPiXSVnC7Yp9zkNmZG8RRln/yzKYOiU/DQM+QgJR3dLVg0WWQIpyallRk:qYREXSVMDi3U2+BdLzfIak

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource yara_rule

\Windows\SysWOW64\259400131.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
Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
persistence

Terminal Services DLL
T1505.005

Processes:

look2.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\svchcst\Parameters\ServiceDll = "C:\\Windows\\system32\\259400131.bat" look2.exe
Executes dropped EXE 3 IoCs

Processes:

look2.exeHD_e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exesvchcst.exe

pid process

2792 look2.exe
3048 HD_e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe
2644 svchcst.exe

resource	yara_rule
\Windows\SysWOW64\259400131.bat	family_gh0strat

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\svchcst\Parameters\ServiceDll = "C:\\Windows\\system32\\259400131.bat"	look2.exe

pid	process
2792	look2.exe
3048	HD_e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe
2644	svchcst.exe

Loads dropped DLL 7 IoCs

Processes:

e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exelook2.exesvchost.exesvchcst.exe

pid	process
836	e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe
2792	look2.exe
2360	svchost.exe
836	e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe
836	e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe
2360	svchost.exe
2644	svchcst.exe

Drops file in System32 directory 4 IoCs

Processes:

look2.exesvchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\259400131.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:

e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe

description ioc process

File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exeHD_e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe

pid process

836 e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe
3048 HD_e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exeHD_e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe

pid	process
836	e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe
836	e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe
3048	HD_e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe
3048	HD_e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exesvchost.exe

description	pid	process	target process
PID 836 wrote to memory of 2792	836	e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe	look2.exe
PID 836 wrote to memory of 2792	836	e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe	look2.exe
PID 836 wrote to memory of 2792	836	e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe	look2.exe
PID 836 wrote to memory of 2792	836	e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe	look2.exe
PID 836 wrote to memory of 3048	836	e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe	HD_e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe
PID 836 wrote to memory of 3048	836	e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe	HD_e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe
PID 836 wrote to memory of 3048	836	e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe	HD_e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe
PID 836 wrote to memory of 3048	836	e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe	HD_e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe
PID 2360 wrote to memory of 2644	2360	svchost.exe	svchcst.exe
PID 2360 wrote to memory of 2644	2360	svchost.exe	svchcst.exe
PID 2360 wrote to memory of 2644	2360	svchost.exe	svchcst.exe
PID 2360 wrote to memory of 2644	2360	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe
"C:\Users\Admin\AppData\Local\Temp\e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:836

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
PID:2792

C:\Users\Admin\AppData\Local\Temp\HD_e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe
C:\Users\Admin\AppData\Local\Temp\HD_e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3048

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:2132

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:2360

C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\259400131.bat",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2644

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
1.2MB

MD5
fe3a23cfb6093b43037c9450630613c6

SHA1
a4a4cf2b644eb62012516f5438ad34b1df894b59

SHA256
43d4646dc7d4437f8fd081e548da6dd9cd2a774c172ac95194ebe9023c5c2107

SHA512
c056cae2bb3bcc64d66a2eabd07287ecc068f84e680aeaff60121a314589ed37ea744d055e2ff0bbbb5c701af273a002bcda4a87dc105c2af6897e96e496679e

Download Submit
\Users\Admin\AppData\Local\Temp\HD_e0c46aad345b3ea64a4abf455b2d3676eb33fa778ef5d46ddc51de370094ae24.exe
Filesize
1024KB

MD5
a88a90e92c7c90832f3693ac8d810888

SHA1
3f0ebffec36e0930ef4ea9ca97252bbd2a1d7001

SHA256
f4c6ed07eb49044ee7958d22f1aba1ddf53a39dcdf0d3bfeef22a0ec7b591fdf

SHA512
3d1ac92075ce3ad37941f3507ac4f24fe2982f8d9cbebdfef6b7bbf4f2cb68fd1713af1a107a78c9a338579e5620913cb1a095323da90ed15d83c2a72c179970

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

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
\Windows\SysWOW64\259400131.bat
Filesize
51KB

MD5
334535c478c8efa7edb9c268981249ac

SHA1
0d40fed51246dff838fbe3d56cfb58cc6dd7694c

SHA256
db64916ce3606336f7e36ad75e3707c7e1449b7ecb193c2ea5429c7eecf30f6b

SHA512
8be3fecb9bb5acc56579b43a2e20be1f70a7518f24833c2290b5a915ac14561f3b8220ad1796f85038c5c7f689b43be13f5c0b9ae8dcd84bc0027e250276f918

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

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit