gh0strat | 03e2c418cb3172abe01433d974f3204dda1f54377b0c54a30ca96f82c2d6309a

Analysis

max time kernel
12s
max time network
36s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
21-03-2023 14:36

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General

Target

56693b2363024dd47e0f13d4f93ddebc0bbf65b896eb22636641d03aad7bf8af.exe
Size

80KB
MD5

393f2fb9401919be93d8c80478326cfc
SHA1

d2e5c2d5b3fceb69a0a49603ebc6239a003a934a
SHA256

56693b2363024dd47e0f13d4f93ddebc0bbf65b896eb22636641d03aad7bf8af
SHA512

4daf67557badb91007f64f49c7f3b13230234f8f2717fd20e476661dfa2db448f06d57927c8e881efb6afe96823b25784370f926363cefabcc85bf5c57a6483b
SSDEEP

1536:kFz0LnC0atiq+9Cc73McaTBFb0bJ+oa/xrpnHTlyojsjxNe22JjIHMl:kFz90hq+Yc7Hf4oa5r5sojsj+oMl

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4852-135-0x0000000010000000-0x0000000010046000-memory.dmp	family_gh0strat
behavioral2/memory/4852-136-0x0000000010000000-0x0000000010046000-memory.dmp	family_gh0strat
behavioral2/memory/4852-137-0x0000000010000000-0x0000000010046000-memory.dmp	family_gh0strat
behavioral2/memory/4852-139-0x0000000010000000-0x0000000010046000-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:

56693b2363024dd47e0f13d4f93ddebc0bbf65b896eb22636641d03aad7bf8af.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	56693b2363024dd47e0f13d4f93ddebc0bbf65b896eb22636641d03aad7bf8af.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\E420822E = "C:\\Windows\\E420822E\\svchsot.exe"	56693b2363024dd47e0f13d4f93ddebc0bbf65b896eb22636641d03aad7bf8af.exe

Drops file in System32 directory 1 IoCs

Processes:

56693b2363024dd47e0f13d4f93ddebc0bbf65b896eb22636641d03aad7bf8af.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\Default 56693b2363024dd47e0f13d4f93ddebc0bbf65b896eb22636641d03aad7bf8af.exe
Runs net.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Default	56693b2363024dd47e0f13d4f93ddebc0bbf65b896eb22636641d03aad7bf8af.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

56693b2363024dd47e0f13d4f93ddebc0bbf65b896eb22636641d03aad7bf8af.exe

pid	process
4852	56693b2363024dd47e0f13d4f93ddebc0bbf65b896eb22636641d03aad7bf8af.exe
4852	56693b2363024dd47e0f13d4f93ddebc0bbf65b896eb22636641d03aad7bf8af.exe
4852	56693b2363024dd47e0f13d4f93ddebc0bbf65b896eb22636641d03aad7bf8af.exe
4852	56693b2363024dd47e0f13d4f93ddebc0bbf65b896eb22636641d03aad7bf8af.exe
4852	56693b2363024dd47e0f13d4f93ddebc0bbf65b896eb22636641d03aad7bf8af.exe
4852	56693b2363024dd47e0f13d4f93ddebc0bbf65b896eb22636641d03aad7bf8af.exe
4852	56693b2363024dd47e0f13d4f93ddebc0bbf65b896eb22636641d03aad7bf8af.exe
4852	56693b2363024dd47e0f13d4f93ddebc0bbf65b896eb22636641d03aad7bf8af.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

56693b2363024dd47e0f13d4f93ddebc0bbf65b896eb22636641d03aad7bf8af.exe

pid process

4852 56693b2363024dd47e0f13d4f93ddebc0bbf65b896eb22636641d03aad7bf8af.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

56693b2363024dd47e0f13d4f93ddebc0bbf65b896eb22636641d03aad7bf8af.exe

description pid process

Token: SeDebugPrivilege 4852 56693b2363024dd47e0f13d4f93ddebc0bbf65b896eb22636641d03aad7bf8af.exe

description	pid	process
Token: SeDebugPrivilege	4852	56693b2363024dd47e0f13d4f93ddebc0bbf65b896eb22636641d03aad7bf8af.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

56693b2363024dd47e0f13d4f93ddebc0bbf65b896eb22636641d03aad7bf8af.exenet.exe

description	pid	process	target process
PID 4852 wrote to memory of 684	4852	56693b2363024dd47e0f13d4f93ddebc0bbf65b896eb22636641d03aad7bf8af.exe	net.exe
PID 4852 wrote to memory of 684	4852	56693b2363024dd47e0f13d4f93ddebc0bbf65b896eb22636641d03aad7bf8af.exe	net.exe
PID 4852 wrote to memory of 684	4852	56693b2363024dd47e0f13d4f93ddebc0bbf65b896eb22636641d03aad7bf8af.exe	net.exe
PID 684 wrote to memory of 3276	684	net.exe	net1.exe
PID 684 wrote to memory of 3276	684	net.exe	net1.exe
PID 684 wrote to memory of 3276	684	net.exe	net1.exe

C:\Users\Admin\AppData\Local\Temp\56693b2363024dd47e0f13d4f93ddebc0bbf65b896eb22636641d03aad7bf8af.exe
"C:\Users\Admin\AppData\Local\Temp\56693b2363024dd47e0f13d4f93ddebc0bbf65b896eb22636641d03aad7bf8af.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4852

C:\Windows\SysWOW64\net.exe
net start "Task Scheduler"
2⤵
- Suspicious use of WriteProcessMemory
PID:684

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 start "Task Scheduler"
3⤵
PID:3276

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/4852-133-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/4852-135-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/4852-136-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/4852-137-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/4852-139-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download