gh0strat | 85f885cd31216f52b7da4d0e557d74cb72c862637e722f2fb3a0cfc034657659

Analysis

max time kernel
77s
max time network
84s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
24-11-2022 22:50

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

85f885cd31216f52b7da4d0e557d74cb72c862637e722f2fb3a0cfc034657659.exe
Size

86KB
MD5

61cc92227b37d2ed26bcc250a3744cbd
SHA1

bf0e61b28a5c8c0cfe5fffa911ce7666459ecd61
SHA256

85f885cd31216f52b7da4d0e557d74cb72c862637e722f2fb3a0cfc034657659
SHA512

61fddda621b7686beccefe6c9fcdf620474a31a83b0ecb3dd1f246192bbbd846effdaf43ebae34e9fb079c6769412d1275685fa553e10d76ae75072f4a79b4cc
SSDEEP

1536:yMeiCP363g2x+Drtc4Jmy2WkhDTiXRPXBToPGUdswYTrK+1:0n15PJgNWkhDTiXR5ToPGKYn

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/384-59-0x0000000010000000-0x0000000010046000-memory.dmp	family_gh0strat
behavioral1/memory/384-61-0x0000000010000000-0x0000000010046000-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:

85f885cd31216f52b7da4d0e557d74cb72c862637e722f2fb3a0cfc034657659.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	85f885cd31216f52b7da4d0e557d74cb72c862637e722f2fb3a0cfc034657659.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\BE8F4EBA = "C:\\Windows\\BE8F4EBA\\svchsot.exe"	85f885cd31216f52b7da4d0e557d74cb72c862637e722f2fb3a0cfc034657659.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

85f885cd31216f52b7da4d0e557d74cb72c862637e722f2fb3a0cfc034657659.exe

pid	process
384	85f885cd31216f52b7da4d0e557d74cb72c862637e722f2fb3a0cfc034657659.exe
384	85f885cd31216f52b7da4d0e557d74cb72c862637e722f2fb3a0cfc034657659.exe
384	85f885cd31216f52b7da4d0e557d74cb72c862637e722f2fb3a0cfc034657659.exe
384	85f885cd31216f52b7da4d0e557d74cb72c862637e722f2fb3a0cfc034657659.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

85f885cd31216f52b7da4d0e557d74cb72c862637e722f2fb3a0cfc034657659.exe

pid process

384 85f885cd31216f52b7da4d0e557d74cb72c862637e722f2fb3a0cfc034657659.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

85f885cd31216f52b7da4d0e557d74cb72c862637e722f2fb3a0cfc034657659.exe

description pid process

Token: SeDebugPrivilege 384 85f885cd31216f52b7da4d0e557d74cb72c862637e722f2fb3a0cfc034657659.exe

description	pid	process
Token: SeDebugPrivilege	384	85f885cd31216f52b7da4d0e557d74cb72c862637e722f2fb3a0cfc034657659.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

85f885cd31216f52b7da4d0e557d74cb72c862637e722f2fb3a0cfc034657659.exenet.exe

description	pid	process	target process
PID 384 wrote to memory of 856	384	85f885cd31216f52b7da4d0e557d74cb72c862637e722f2fb3a0cfc034657659.exe	net.exe
PID 384 wrote to memory of 856	384	85f885cd31216f52b7da4d0e557d74cb72c862637e722f2fb3a0cfc034657659.exe	net.exe
PID 384 wrote to memory of 856	384	85f885cd31216f52b7da4d0e557d74cb72c862637e722f2fb3a0cfc034657659.exe	net.exe
PID 384 wrote to memory of 856	384	85f885cd31216f52b7da4d0e557d74cb72c862637e722f2fb3a0cfc034657659.exe	net.exe
PID 856 wrote to memory of 1388	856	net.exe	net1.exe
PID 856 wrote to memory of 1388	856	net.exe	net1.exe
PID 856 wrote to memory of 1388	856	net.exe	net1.exe
PID 856 wrote to memory of 1388	856	net.exe	net1.exe

C:\Users\Admin\AppData\Local\Temp\85f885cd31216f52b7da4d0e557d74cb72c862637e722f2fb3a0cfc034657659.exe
"C:\Users\Admin\AppData\Local\Temp\85f885cd31216f52b7da4d0e557d74cb72c862637e722f2fb3a0cfc034657659.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:384

C:\Windows\SysWOW64\net.exe
net start "Task Scheduler"
2⤵
- Suspicious use of WriteProcessMemory
PID:856

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 start "Task Scheduler"
3⤵
PID:1388

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/384-54-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/384-55-0x0000000074E01000-0x0000000074E03000-memory.dmp

Filesize
8KB

Download
memory/384-56-0x0000000000020000-0x000000000002A000-memory.dmp

Filesize
40KB

Download
memory/384-57-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/384-59-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/384-61-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/384-62-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/384-63-0x0000000000020000-0x000000000002A000-memory.dmp

Filesize
40KB

Download
memory/856-64-0x0000000000000000-mapping.dmp

Download
memory/1388-65-0x0000000000000000-mapping.dmp

Download