gh0strat | fd10336a8e81c55ec1b0159a1501241ef9bc641bd431a68d4c1196cbf3ea596e

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
16-11-2023 04:52

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General

Target

fd10336a8e81c55ec1b0159a1501241ef9bc641bd431a68d4c1196cbf3ea596e.exe
Size

1.3MB
MD5

eebe38d572545e99fed7630a029288f9
SHA1

f5c699de436abaeb7afd47f320bc8f037163ec77
SHA256

fd10336a8e81c55ec1b0159a1501241ef9bc641bd431a68d4c1196cbf3ea596e
SHA512

e09a62bb591ff66bea14c292efb02d7710d18cd595f4bceda7c4dea232d3facda91c862caaa562d87905c8efea16614f93b4147c5782b33181f8b026ae89dc1b
SSDEEP

24576:9YFbkIsaPiXSVnC7Yp9zkNmZG8RRlnPyzwOe+atyw:9YREXSVMDi3XR+qd

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 4 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012106-6.dat	family_gh0strat
behavioral1/files/0x0008000000012106-11.dat	family_gh0strat
behavioral1/files/0x0008000000012106-9.dat	family_gh0strat
behavioral1/files/0x0008000000012106-24.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\\259419553.bat"	look2.exe

Executes dropped EXE 2 IoCs

pid	Process
2856	look2.exe
2592	svchcst.exe

Loads dropped DLL 5 IoCs

pid	Process
2472	fd10336a8e81c55ec1b0159a1501241ef9bc641bd431a68d4c1196cbf3ea596e.exe
2856	look2.exe
2712	svchost.exe
2712	svchost.exe
2592	svchcst.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259419553.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

pid	Process
2472	fd10336a8e81c55ec1b0159a1501241ef9bc641bd431a68d4c1196cbf3ea596e.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2472	fd10336a8e81c55ec1b0159a1501241ef9bc641bd431a68d4c1196cbf3ea596e.exe
2472	fd10336a8e81c55ec1b0159a1501241ef9bc641bd431a68d4c1196cbf3ea596e.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2472 wrote to memory of 2856	2472	fd10336a8e81c55ec1b0159a1501241ef9bc641bd431a68d4c1196cbf3ea596e.exe	28
PID 2472 wrote to memory of 2856	2472	fd10336a8e81c55ec1b0159a1501241ef9bc641bd431a68d4c1196cbf3ea596e.exe	28
PID 2472 wrote to memory of 2856	2472	fd10336a8e81c55ec1b0159a1501241ef9bc641bd431a68d4c1196cbf3ea596e.exe	28
PID 2472 wrote to memory of 2856	2472	fd10336a8e81c55ec1b0159a1501241ef9bc641bd431a68d4c1196cbf3ea596e.exe	28
PID 2712 wrote to memory of 2592	2712	svchost.exe	32
PID 2712 wrote to memory of 2592	2712	svchost.exe	32
PID 2712 wrote to memory of 2592	2712	svchost.exe	32
PID 2712 wrote to memory of 2592	2712	svchost.exe	32

C:\Users\Admin\AppData\Local\Temp\fd10336a8e81c55ec1b0159a1501241ef9bc641bd431a68d4c1196cbf3ea596e.exe
"C:\Users\Admin\AppData\Local\Temp\fd10336a8e81c55ec1b0159a1501241ef9bc641bd431a68d4c1196cbf3ea596e.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2472
- 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:2856

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:3056

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:2712
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\259419553.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2592

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

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Downloads

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\259419553.bat

Filesize
51KB

MD5
b95ddbf4106aea727c0ffac3c1215a6a

SHA1
4b68e58e4021e84d801c119cdcb8ae3e9f3ae9b0

SHA256
d3a493abfa0f817eeb923e8a7f437815a699a69db664feafb4a6afac6ad75359

SHA512
e62bff58ce1a6db498ecee266f06ea53a230e21a8b8efdf2864261b87c9457fd8b2ab2218356b0842bf98fc22a4609229e4d61df1e8417bf0441c18ca0076d9d

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

Filesize
337KB

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
\Windows\SysWOW64\259419553.bat

Filesize
51KB

MD5
b95ddbf4106aea727c0ffac3c1215a6a

SHA1
4b68e58e4021e84d801c119cdcb8ae3e9f3ae9b0

SHA256
d3a493abfa0f817eeb923e8a7f437815a699a69db664feafb4a6afac6ad75359

SHA512
e62bff58ce1a6db498ecee266f06ea53a230e21a8b8efdf2864261b87c9457fd8b2ab2218356b0842bf98fc22a4609229e4d61df1e8417bf0441c18ca0076d9d

Download Submit
\Windows\SysWOW64\259419553.bat

Filesize
51KB

MD5
b95ddbf4106aea727c0ffac3c1215a6a

SHA1
4b68e58e4021e84d801c119cdcb8ae3e9f3ae9b0

SHA256
d3a493abfa0f817eeb923e8a7f437815a699a69db664feafb4a6afac6ad75359

SHA512
e62bff58ce1a6db498ecee266f06ea53a230e21a8b8efdf2864261b87c9457fd8b2ab2218356b0842bf98fc22a4609229e4d61df1e8417bf0441c18ca0076d9d

Download Submit
\Windows\SysWOW64\259419553.bat

Filesize
51KB

MD5
b95ddbf4106aea727c0ffac3c1215a6a

SHA1
4b68e58e4021e84d801c119cdcb8ae3e9f3ae9b0

SHA256
d3a493abfa0f817eeb923e8a7f437815a699a69db664feafb4a6afac6ad75359

SHA512
e62bff58ce1a6db498ecee266f06ea53a230e21a8b8efdf2864261b87c9457fd8b2ab2218356b0842bf98fc22a4609229e4d61df1e8417bf0441c18ca0076d9d

Download Submit
\Windows\SysWOW64\svchcst.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit