gh0strat | 62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040

Analysis

max time kernel
4s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
05-07-2024 05:12

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General

Target

62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.exe
Size

5.0MB
MD5

2c7ae2fe3831034e1fcf3f0264b021c5
SHA1

20195abe76fe5cc247505ed373c4bb98667a6691
SHA256

62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040
SHA512

e04c963761312e9b2cc1ba2f739ec73801660ab996b20a6f31ef4098295dda5d7b9b5709faaac39f02bdfcc63f9ff96799e5afd1750f112204ff62b82c837723
SSDEEP

49152:DYREXSVMKi3hFsDrXjfbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8ITi:M2SVMK8hFsD/fbXsPN5kiQaZ56

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource yara_rule

C:\Windows\SysWOW64\240617265.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\\240617265.bat" look2.exe
Executes dropped EXE 3 IoCs

Processes:

look2.exeHD_62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.exesvchcst.exe

pid process

2776 look2.exe
3896 HD_62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.exe
4148 svchcst.exe
Loads dropped DLL 3 IoCs

Processes:

look2.exesvchost.exesvchcst.exe

pid process

2776 look2.exe
3720 svchost.exe
4148 svchcst.exe

resource	yara_rule
C:\Windows\SysWOW64\240617265.bat	family_gh0strat

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\svchcst\Parameters\ServiceDll = "C:\\Windows\\system32\\240617265.bat"	look2.exe

pid	process
2776	look2.exe
3896	HD_62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.exe
4148	svchcst.exe

pid	process
2776	look2.exe
3720	svchost.exe
4148	svchcst.exe

Drops file in System32 directory 4 IoCs

Processes:

svchost.exelook2.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\svchcst.exe	svchost.exe
File created	C:\Windows\SysWOW64\240617265.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

Processes:

62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.exe

description ioc process

File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe 62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.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:

62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.exe

pid process

2792 62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.exe
2792 62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.exe

pid process

2792 62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.exe
2792 62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.exe

pid	process
2792	62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.exe
2792	62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.exe

pid	process
2792	62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.exe
2792	62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.exesvchost.exe

description	pid	process	target process
PID 2792 wrote to memory of 2776	2792	62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.exe	look2.exe
PID 2792 wrote to memory of 2776	2792	62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.exe	look2.exe
PID 2792 wrote to memory of 2776	2792	62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.exe	look2.exe
PID 2792 wrote to memory of 3896	2792	62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.exe	HD_62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.exe
PID 2792 wrote to memory of 3896	2792	62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.exe	HD_62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.exe
PID 2792 wrote to memory of 3896	2792	62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.exe	HD_62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.exe
PID 3720 wrote to memory of 4148	3720	svchost.exe	svchcst.exe
PID 3720 wrote to memory of 4148	3720	svchost.exe	svchcst.exe
PID 3720 wrote to memory of 4148	3720	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.exe
"C:\Users\Admin\AppData\Local\Temp\62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2792

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:2776

C:\Users\Admin\AppData\Local\Temp\HD_62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.exe
C:\Users\Admin\AppData\Local\Temp\HD_62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.exe
2⤵
- Executes dropped EXE
PID:3896

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:1460

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:3720

C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\240617265.bat",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4148

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_62243caed8d98bffb8549867cf9442a478a539437c18532d8af61b5b9c104040.exe
Filesize
3.1MB

MD5
fb083acd60fe5c3156dc25442be815e3

SHA1
61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

SHA256
f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

SHA512
7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
1.9MB

MD5
fbe2e8bf813bb82db80b332efe1dc17f

SHA1
f771f5d0246a2dccbf4ea6cfd1d77a33bd87ded3

SHA256
2462508146112d31b5f9e34af81cebed4cd95b4186bad4b870aa8a0c8f1061cb

SHA512
a05f9d7f0f8d0626f9c8d1a961f3e9defd46836f9ef22d75d2f921edd5fbabd9021142ee68c6f1c184ea897f896483dbccbc1f2c93c0c32d85363071bbb80f22

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

MD5
fb66e1e31fa1e6dfb21a50ccd11e0409

SHA1
6c45a0a115ec896eb14a531a44809b2a22cf8934

SHA256
5ea8c5455f0ebe884ed98834e78ead8b6c68814bbb1723370299fa44b88c0faa

SHA512
58ee149f70438296a67d5ae5cbd6cb9f5b2510a0381466b8f09eec3835be1ce7cad6903ca8fbc9273105132e85952208e78c59f776416c5449b86cc62111154b

Download Submit
C:\Windows\SysWOW64\240617265.bat
Filesize
51KB

MD5
52a9b6f37732a76103657a97332895e0

SHA1
3aad9dd3a176c9262e2b4eb0d9f3e759efb18f36

SHA256
1dcf8e897ca6a8e92a8378bc0b0c12d4fdcaf37d6cb556f9408cd9628a5fe832

SHA512
4954891e3bd841bb6a17afe1ea5b8fafa627ce8eb805195f3cf092b70e1870c619d0612f3bf5318b1797e00419da9a92ebefd2b00f8c21fa0e6fc4bddff2ffb7

Download Submit
C:\Windows\SysWOW64\svchcst.exe
Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit