gh0strat | 2449bdedf691972e43f4ea34bc6aa905be406196e73c82bf248738acadf4240e

Analysis

max time kernel
91s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2022 04:43

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General

Target

2449bdedf691972e43f4ea34bc6aa905be406196e73c82bf248738acadf4240e.exe
Size

204KB
MD5

9232c3a331afee1078a218943b581c16
SHA1

169c4c5da07f7de97dac52b129bddd5608ff402b
SHA256

2449bdedf691972e43f4ea34bc6aa905be406196e73c82bf248738acadf4240e
SHA512

eafb00d41857bec881fb5d5549e67d0cedf93ba13edae90e29b0f0a165220a7a3e1b292913ae463a632ef254e7249b9db8af6c95e230b98d4678b0d96c4f643c
SSDEEP

3072:/a/aMtDSsNSgg8vflKFBtqTI8x4ycD7iZAJE8tTY3tOc:ia/sN5xvflHJxTk7iZAJE8tTgO

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral2/files/0x0007000000022ddb-132.dat	family_gh0strat
behavioral2/files/0x0007000000022ddb-133.dat	family_gh0strat
behavioral2/files/0x0007000000022ddb-134.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

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\National\Parameters\ServiceDll = "C:\\Program Files (x86)\\%lings%\\StRCF.dll"	2449bdedf691972e43f4ea34bc6aa905be406196e73c82bf248738acadf4240e.exe

Loads dropped DLL 2 IoCs

pid	Process
5064	2449bdedf691972e43f4ea34bc6aa905be406196e73c82bf248738acadf4240e.exe
3080	svchost.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\%lings%\StRCF.dll	2449bdedf691972e43f4ea34bc6aa905be406196e73c82bf248738acadf4240e.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3080	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3080 wrote to memory of 4212	3080	svchost.exe	78
PID 3080 wrote to memory of 4212	3080	svchost.exe	78
PID 3080 wrote to memory of 4212	3080	svchost.exe	78

C:\Users\Admin\AppData\Local\Temp\2449bdedf691972e43f4ea34bc6aa905be406196e73c82bf248738acadf4240e.exe
"C:\Users\Admin\AppData\Local\Temp\2449bdedf691972e43f4ea34bc6aa905be406196e73c82bf248738acadf4240e.exe"
1⤵
- Sets DLL path for service in the registry
- Loads dropped DLL
- Drops file in Program Files directory
PID:5064

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k krnlsrvc
1⤵
PID:3660

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k krnlsrvc
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3080
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe c:\program files (x86)\%lings%\strcf.dll,menfeng
  2⤵
  PID:4212

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\%lings%\StRCF.dll

Filesize
148KB

MD5
3b72fb41c8fd7dcfbe8468e84a61c2a2

SHA1
3abbb79d27c589dca9169fb3659a2b6b7a577f04

SHA256
bab54c264de0e89ef2ff93aedcb7ef0db689494b1c757555c7571a1c5067750d

SHA512
6c918ec7c33a96585ce3405e53e7246fc579444c1c8685213b3b1baf15fdcd6b23203fc74ae8851c5d81033f28398f2a3cc457aee31d927ea0bda2adad33726b

Download Submit
C:\Program Files (x86)\%lings%\StRCF.dll

Filesize
148KB

MD5
3b72fb41c8fd7dcfbe8468e84a61c2a2

SHA1
3abbb79d27c589dca9169fb3659a2b6b7a577f04

SHA256
bab54c264de0e89ef2ff93aedcb7ef0db689494b1c757555c7571a1c5067750d

SHA512
6c918ec7c33a96585ce3405e53e7246fc579444c1c8685213b3b1baf15fdcd6b23203fc74ae8851c5d81033f28398f2a3cc457aee31d927ea0bda2adad33726b

Download Submit
\??\c:\program files (x86)\%lings%\strcf.dll

Filesize
148KB

MD5
3b72fb41c8fd7dcfbe8468e84a61c2a2

SHA1
3abbb79d27c589dca9169fb3659a2b6b7a577f04

SHA256
bab54c264de0e89ef2ff93aedcb7ef0db689494b1c757555c7571a1c5067750d

SHA512
6c918ec7c33a96585ce3405e53e7246fc579444c1c8685213b3b1baf15fdcd6b23203fc74ae8851c5d81033f28398f2a3cc457aee31d927ea0bda2adad33726b

Download Submit
memory/4212-135-0x0000000000000000-mapping.dmp

Download