gh0strat | a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820

Analysis

max time kernel
142s
max time network
151s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 04:39

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General

Target

a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe
Size

4.3MB
MD5

0f9baf91bbc3af9d45ee0d5891c030a9
SHA1

bdd3b7d80059fe7b7cfc374f0ea1f0b9a315988c
SHA256

a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820
SHA512

00bd256402e067b79d0a3918a8b39a12ab5fd87bae9a03952bfa815a0563c074d49e8973a24ee89c1daeec76c0a57a792bc27d664d6245a9d33bf517dc8ea527
SSDEEP

98304:92SVMD8unlEm9++v6O7XkvT+WLeLCt1wrteBO:1EnlE++SNXkorteBO

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource yara_rule

\Windows\SysWOW64\259400521.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\\259400521.bat" look2.exe
Executes dropped EXE 3 IoCs

Processes:

look2.exeHD_a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exesvchcst.exe

pid process

1812 look2.exe
2124 HD_a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe
2540 svchcst.exe

resource	yara_rule
\Windows\SysWOW64\259400521.bat	family_gh0strat

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\svchcst\Parameters\ServiceDll = "C:\\Windows\\system32\\259400521.bat"	look2.exe

pid	process
1812	look2.exe
2124	HD_a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe
2540	svchcst.exe

Loads dropped DLL 6 IoCs

Processes:

a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exelook2.exesvchost.exesvchcst.exe

pid	process
2860	a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe
1812	look2.exe
2388	svchost.exe
2860	a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe
2388	svchost.exe
2540	svchcst.exe

Drops file in System32 directory 4 IoCs

Processes:

look2.exesvchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\259400521.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

Processes:

a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe

pid process

2860 a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

HD_a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe

description pid process

Token: SeDebugPrivilege 2124 HD_a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

HD_a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe

pid process

2124 HD_a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe

pid process

2860 a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe
2860 a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe

description	pid	process
Token: SeDebugPrivilege	2124	HD_a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe

pid	process
2124	HD_a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exesvchost.exe

description	pid	process	target process
PID 2860 wrote to memory of 1812	2860	a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe	look2.exe
PID 2860 wrote to memory of 1812	2860	a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe	look2.exe
PID 2860 wrote to memory of 1812	2860	a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe	look2.exe
PID 2860 wrote to memory of 1812	2860	a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe	look2.exe
PID 2860 wrote to memory of 2124	2860	a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe	HD_a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe
PID 2860 wrote to memory of 2124	2860	a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe	HD_a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe
PID 2860 wrote to memory of 2124	2860	a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe	HD_a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe
PID 2860 wrote to memory of 2124	2860	a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe	HD_a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe
PID 2388 wrote to memory of 2540	2388	svchost.exe	svchcst.exe
PID 2388 wrote to memory of 2540	2388	svchost.exe	svchcst.exe
PID 2388 wrote to memory of 2540	2388	svchost.exe	svchcst.exe
PID 2388 wrote to memory of 2540	2388	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe
"C:\Users\Admin\AppData\Local\Temp\a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2860

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:1812

C:\Users\Admin\AppData\Local\Temp\HD_a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe
C:\Users\Admin\AppData\Local\Temp\HD_a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2124

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:1720

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:2388

C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\259400521.bat",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2540

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

\Users\Admin\AppData\Local\Temp\HD_a36de2baaf9355213b83514d52e08725db182a5f0e21baa440aab8f129610820.exe
Filesize
3.1MB

MD5
fb3e65422df6d71e46f0d53c574409c0

SHA1
d094a9a0cdba079f2ea429e87f684e1f36214323

SHA256
62db132960dc97ec92f3cf8a1005dcf1b32229b19ab98aca18210e8df1ca2e25

SHA512
2ccf11c4f0fde19bfc5e38c355efb8389f0699568d90c531fa50c873a889f3ff439ec33c20e05fa7a75c1b7334a6e43574c236cd73549e89a5a466cc1bc42ed3

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

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
\Windows\SysWOW64\259400521.bat
Filesize
51KB

MD5
b58e5d35c10be4f4a89d2c1bd821f872

SHA1
2e8c6658144668e6b33be33ed961e7eff1cf611f

SHA256
355aa59a18286121be018615fb80ebf9c53bd547a94e2aa6519b6b6f11a491df

SHA512
21b0a78b02f04b3311d617c7e914db618459bf6bc3c9811e92007c55c9e0eb2d6e2a6121fbdfb49d9b4f99420eb5c352362566cc3c05bcad981ce16ebe50f345

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

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2124-19-0x0000000000210000-0x0000000000526000-memory.dmp

Filesize
3.1MB

Download
memory/2124-20-0x000000001BA50000-0x000000001BD20000-memory.dmp

Filesize
2.8MB

Download
memory/2124-23-0x0000000000920000-0x000000000092A000-memory.dmp

Filesize
40KB

Download
memory/2124-22-0x0000000000920000-0x000000000092A000-memory.dmp

Filesize
40KB

Download
memory/2124-27-0x000000001CA40000-0x000000001CAE8000-memory.dmp

Filesize
672KB

Download
memory/2124-42-0x0000000000920000-0x000000000092A000-memory.dmp

Filesize
40KB

Download
memory/2124-43-0x0000000000920000-0x000000000092A000-memory.dmp

Filesize
40KB

Download