gh0strat | 55f93dedc7b3a4a1182a3aeed1e2429a38c46d331b56f6279996dd231c667c9e

Analysis

max time kernel
151s
max time network
152s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
04/09/2023, 02:38

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

55f93dedc7b3a4a1182a3aeed1e2429a38c46d331b56f6279996dd231c667c9e.exe
Size

5.3MB
MD5

d3fb607250b6c8f540517ae373f8a717
SHA1

7e516178ea05f60cc1e5705f0626151e0a1082f4
SHA256

55f93dedc7b3a4a1182a3aeed1e2429a38c46d331b56f6279996dd231c667c9e
SHA512

4b58d4b788592598b81c3f6ceb2798b140c4b62b4ea4911018180a67fee354eb26078107d5f6a53dc98e841ba6f0ed2de228af6c43b911d3b1b4005267e27477
SSDEEP

49152:2RFXSVjKi3qQ+XMje9uBYasjK+Ub9bXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5W9:2jSVjK8qQ3SUs++c9bXsPN5kiQaZ56

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 4 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001225e-6.dat	family_gh0strat
behavioral1/files/0x000a00000001225e-11.dat	family_gh0strat
behavioral1/files/0x000a00000001225e-9.dat	family_gh0strat
behavioral1/files/0x000a00000001225e-36.dat	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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\svchcst\Parameters\ServiceDll = "C:\\Windows\\system32\\259433593.bat"	look2.exe

Executes dropped EXE 3 IoCs

pid	Process
1712	look2.exe
604	HD_55f93dedc7b3a4a1182a3aeed1e2429a38c46d331b56f6279996dd231c667c9e.exe
2784	svchcst.exe

Loads dropped DLL 6 IoCs

pid	Process
740	55f93dedc7b3a4a1182a3aeed1e2429a38c46d331b56f6279996dd231c667c9e.exe
1712	look2.exe
1696	svchost.exe
740	55f93dedc7b3a4a1182a3aeed1e2429a38c46d331b56f6279996dd231c667c9e.exe
1696	svchost.exe
2784	svchcst.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\svchcst.exe	svchost.exe
File created	C:\Windows\SysWOW64\259433593.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

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	55f93dedc7b3a4a1182a3aeed1e2429a38c46d331b56f6279996dd231c667c9e.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

pid	Process
740	55f93dedc7b3a4a1182a3aeed1e2429a38c46d331b56f6279996dd231c667c9e.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
740	55f93dedc7b3a4a1182a3aeed1e2429a38c46d331b56f6279996dd231c667c9e.exe
740	55f93dedc7b3a4a1182a3aeed1e2429a38c46d331b56f6279996dd231c667c9e.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 740 wrote to memory of 1712	740	55f93dedc7b3a4a1182a3aeed1e2429a38c46d331b56f6279996dd231c667c9e.exe	28
PID 740 wrote to memory of 1712	740	55f93dedc7b3a4a1182a3aeed1e2429a38c46d331b56f6279996dd231c667c9e.exe	28
PID 740 wrote to memory of 1712	740	55f93dedc7b3a4a1182a3aeed1e2429a38c46d331b56f6279996dd231c667c9e.exe	28
PID 740 wrote to memory of 1712	740	55f93dedc7b3a4a1182a3aeed1e2429a38c46d331b56f6279996dd231c667c9e.exe	28
PID 740 wrote to memory of 604	740	55f93dedc7b3a4a1182a3aeed1e2429a38c46d331b56f6279996dd231c667c9e.exe	31
PID 740 wrote to memory of 604	740	55f93dedc7b3a4a1182a3aeed1e2429a38c46d331b56f6279996dd231c667c9e.exe	31
PID 740 wrote to memory of 604	740	55f93dedc7b3a4a1182a3aeed1e2429a38c46d331b56f6279996dd231c667c9e.exe	31
PID 740 wrote to memory of 604	740	55f93dedc7b3a4a1182a3aeed1e2429a38c46d331b56f6279996dd231c667c9e.exe	31
PID 1696 wrote to memory of 2784	1696	svchost.exe	32
PID 1696 wrote to memory of 2784	1696	svchost.exe	32
PID 1696 wrote to memory of 2784	1696	svchost.exe	32
PID 1696 wrote to memory of 2784	1696	svchost.exe	32

C:\Users\Admin\AppData\Local\Temp\55f93dedc7b3a4a1182a3aeed1e2429a38c46d331b56f6279996dd231c667c9e.exe
"C:\Users\Admin\AppData\Local\Temp\55f93dedc7b3a4a1182a3aeed1e2429a38c46d331b56f6279996dd231c667c9e.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:740
- 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:1712
- C:\Users\Admin\AppData\Local\Temp\HD_55f93dedc7b3a4a1182a3aeed1e2429a38c46d331b56f6279996dd231c667c9e.exe
  C:\Users\Admin\AppData\Local\Temp\HD_55f93dedc7b3a4a1182a3aeed1e2429a38c46d331b56f6279996dd231c667c9e.exe
  2⤵
  - Executes dropped EXE
  PID:604

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:1740

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:1696
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\259433593.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2784

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\HD_55f93dedc7b3a4a1182a3aeed1e2429a38c46d331b56f6279996dd231c667c9e.exe

Filesize
3.1MB

MD5
fb083acd60fe5c3156dc25442be815e3

SHA1
61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

SHA256
f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

SHA512
7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

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

Filesize
2.2MB

MD5
0974f080a1ade1e88ee0cf4d246da520

SHA1
9b5b4f87a4a9dd85e0f7a9495f48d6885a66fc0c

SHA256
7073a132cedb519a3bf7ba5ee43a5fc0e566d25ddc40984c1028a9d9deeaf2e4

SHA512
823baff5190ba5af2ae04ee31aab0f876b54d53a154a225a1d4ef7467a6ee60e2710d66969bfaa25283f46af3c6d99d99b688da9ab2ff4fb8c6abd1d4a44ccc3

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

Filesize
337KB

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
C:\Windows\SysWOW64\svchcst.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
C:\Windows\SysWOW64\svchcst.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\??\c:\windows\SysWOW64\259433593.bat

Filesize
51KB

MD5
84aac3ab3d0850fc832285a5d23b6af2

SHA1
90fd3e7c5e8e2f3b5b53ea25a15a8f71b02a9d2a

SHA256
77d612a8b3edb7bde5b9abfd49963fd7f421d42d50ca005f4b3b2e39aa211189

SHA512
3eb1cbcc7c267676457ad6b2faab59c814fd6fa4083b105442342397ada563a453a230a067999513d7e2c8eb4eebe35fe2a6062bb500fcecaebfb6ad12effa8d

Download Submit
\Users\Admin\AppData\Local\Temp\HD_55f93dedc7b3a4a1182a3aeed1e2429a38c46d331b56f6279996dd231c667c9e.exe

Filesize
3.1MB

MD5
fb083acd60fe5c3156dc25442be815e3

SHA1
61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

SHA256
f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

SHA512
7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

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

Filesize
337KB

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
\Windows\SysWOW64\259433593.bat

Filesize
51KB

MD5
84aac3ab3d0850fc832285a5d23b6af2

SHA1
90fd3e7c5e8e2f3b5b53ea25a15a8f71b02a9d2a

SHA256
77d612a8b3edb7bde5b9abfd49963fd7f421d42d50ca005f4b3b2e39aa211189

SHA512
3eb1cbcc7c267676457ad6b2faab59c814fd6fa4083b105442342397ada563a453a230a067999513d7e2c8eb4eebe35fe2a6062bb500fcecaebfb6ad12effa8d

Download Submit
\Windows\SysWOW64\259433593.bat

Filesize
51KB

MD5
84aac3ab3d0850fc832285a5d23b6af2

SHA1
90fd3e7c5e8e2f3b5b53ea25a15a8f71b02a9d2a

SHA256
77d612a8b3edb7bde5b9abfd49963fd7f421d42d50ca005f4b3b2e39aa211189

SHA512
3eb1cbcc7c267676457ad6b2faab59c814fd6fa4083b105442342397ada563a453a230a067999513d7e2c8eb4eebe35fe2a6062bb500fcecaebfb6ad12effa8d

Download Submit
\Windows\SysWOW64\259433593.bat

Filesize
51KB

MD5
84aac3ab3d0850fc832285a5d23b6af2

SHA1
90fd3e7c5e8e2f3b5b53ea25a15a8f71b02a9d2a

SHA256
77d612a8b3edb7bde5b9abfd49963fd7f421d42d50ca005f4b3b2e39aa211189

SHA512
3eb1cbcc7c267676457ad6b2faab59c814fd6fa4083b105442342397ada563a453a230a067999513d7e2c8eb4eebe35fe2a6062bb500fcecaebfb6ad12effa8d

Download Submit
\Windows\SysWOW64\svchcst.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit