gh0strat | 2c012e2501d1b5020c86c6b2cc44eb7ff765da9a16b616b4f41cb2c185fe97c0

Analysis

max time kernel
47s
max time network
68s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 09:47

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General

Target

2c012e2501d1b5020c86c6b2cc44eb7ff765da9a16b616b4f41cb2c185fe97c0.exe
Size

80KB
MD5

717a8e1c9d0debf0fa71d7a98ee5524b
SHA1

5a8523499a61381eed5c898a57b7d483bb5b7476
SHA256

2c012e2501d1b5020c86c6b2cc44eb7ff765da9a16b616b4f41cb2c185fe97c0
SHA512

ee3fe4f9f5b0211a087beb7b537dcc5700aa17f39dbc5a26ee02782ffa09cc9c36f5fc49b2b148189d93c0f92af8e691ec1fdcf5508d6bbd2bcc63594ea6e8b6
SSDEEP

1536:sFz0LnC0atiq+9Cc73McaTBFb0bJ+oa/xrpnHTlyojsjxNe22JjIHM:sFz90hq+Yc7Hf4oa5r5sojsj+oM

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1184-57-0x0000000010000000-0x0000000010046000-memory.dmp	family_gh0strat
behavioral1/memory/1184-61-0x0000000010000000-0x0000000010046000-memory.dmp	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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

2c012e2501d1b5020c86c6b2cc44eb7ff765da9a16b616b4f41cb2c185fe97c0.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	2c012e2501d1b5020c86c6b2cc44eb7ff765da9a16b616b4f41cb2c185fe97c0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\22FD71B1 = "C:\\Windows\\22FD71B1\\svchsot.exe"	2c012e2501d1b5020c86c6b2cc44eb7ff765da9a16b616b4f41cb2c185fe97c0.exe

Drops file in Windows directory 2 IoCs

Processes:

2c012e2501d1b5020c86c6b2cc44eb7ff765da9a16b616b4f41cb2c185fe97c0.exe

description	ioc	process
File created	C:\Windows\22FD71B1\svchsot.exe	2c012e2501d1b5020c86c6b2cc44eb7ff765da9a16b616b4f41cb2c185fe97c0.exe
File opened for modification	C:\Windows\22FD71B1\svchsot.exe	2c012e2501d1b5020c86c6b2cc44eb7ff765da9a16b616b4f41cb2c185fe97c0.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

2c012e2501d1b5020c86c6b2cc44eb7ff765da9a16b616b4f41cb2c185fe97c0.exe

pid	process
1184	2c012e2501d1b5020c86c6b2cc44eb7ff765da9a16b616b4f41cb2c185fe97c0.exe
1184	2c012e2501d1b5020c86c6b2cc44eb7ff765da9a16b616b4f41cb2c185fe97c0.exe
1184	2c012e2501d1b5020c86c6b2cc44eb7ff765da9a16b616b4f41cb2c185fe97c0.exe
1184	2c012e2501d1b5020c86c6b2cc44eb7ff765da9a16b616b4f41cb2c185fe97c0.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

2c012e2501d1b5020c86c6b2cc44eb7ff765da9a16b616b4f41cb2c185fe97c0.exe

description	pid	process
Token: SeDebugPrivilege	1184	2c012e2501d1b5020c86c6b2cc44eb7ff765da9a16b616b4f41cb2c185fe97c0.exe
Token: SeDebugPrivilege	1184	2c012e2501d1b5020c86c6b2cc44eb7ff765da9a16b616b4f41cb2c185fe97c0.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

2c012e2501d1b5020c86c6b2cc44eb7ff765da9a16b616b4f41cb2c185fe97c0.exenet.exe

description	pid	process	target process
PID 1184 wrote to memory of 280	1184	2c012e2501d1b5020c86c6b2cc44eb7ff765da9a16b616b4f41cb2c185fe97c0.exe	net.exe
PID 1184 wrote to memory of 280	1184	2c012e2501d1b5020c86c6b2cc44eb7ff765da9a16b616b4f41cb2c185fe97c0.exe	net.exe
PID 1184 wrote to memory of 280	1184	2c012e2501d1b5020c86c6b2cc44eb7ff765da9a16b616b4f41cb2c185fe97c0.exe	net.exe
PID 1184 wrote to memory of 280	1184	2c012e2501d1b5020c86c6b2cc44eb7ff765da9a16b616b4f41cb2c185fe97c0.exe	net.exe
PID 280 wrote to memory of 764	280	net.exe	net1.exe
PID 280 wrote to memory of 764	280	net.exe	net1.exe
PID 280 wrote to memory of 764	280	net.exe	net1.exe
PID 280 wrote to memory of 764	280	net.exe	net1.exe

C:\Users\Admin\AppData\Local\Temp\2c012e2501d1b5020c86c6b2cc44eb7ff765da9a16b616b4f41cb2c185fe97c0.exe
"C:\Users\Admin\AppData\Local\Temp\2c012e2501d1b5020c86c6b2cc44eb7ff765da9a16b616b4f41cb2c185fe97c0.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1184

C:\Windows\SysWOW64\net.exe
net start "Task Scheduler"
2⤵
- Suspicious use of WriteProcessMemory
PID:280

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 start "Task Scheduler"
3⤵
PID:764

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

memory/280-59-0x0000000000000000-mapping.dmp

Download
memory/764-60-0x0000000000000000-mapping.dmp

Download
memory/1184-54-0x0000000076691000-0x0000000076693000-memory.dmp

Filesize
8KB

Download
memory/1184-55-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/1184-57-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/1184-61-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download