gh0strat | 50d1e6f40ec1c0d3b28b4c91a34a5c8c9d4b6166b17c7280b7fa1781675ee0a3

Analysis

max time kernel
149s
max time network
125s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
31/12/2023, 19:42

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General

Target

3ae371fbd25b2c9cac0113225b423518.exe
Size

636KB
MD5

3ae371fbd25b2c9cac0113225b423518
SHA1

5c2c8503f3ab0baf69a68e3d732c31f02dc8f1ab
SHA256

50d1e6f40ec1c0d3b28b4c91a34a5c8c9d4b6166b17c7280b7fa1781675ee0a3
SHA512

836164cfd5c64ecf4a8bbb525961dc71e6b06c74cac2c49f2b016674ce3f48ad6c28c089a122fea0374892e8d153598d0eb8fd4d749817889d7b3d0b8443a799
SSDEEP

12288:m/eC0vZVQQxfnr+TK7r79/JenWAG36ATphjM5Bfc:m/XwVQQxfnr+TK7r79/Je3GqArjM5Bfc

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000144ac-6.dat	family_gh0strat
behavioral1/files/0x000b0000000144ac-4.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

Executes dropped EXE 1 IoCs

pid	Process
1656	svchest000.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "c:\\Windows\\notepab.exe"	3ae371fbd25b2c9cac0113225b423518.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	3ae371fbd25b2c9cac0113225b423518.exe
File opened for modification	\??\c:\Windows\BJ.exe	3ae371fbd25b2c9cac0113225b423518.exe
File created	\??\c:\Windows\svchest000.exe	3ae371fbd25b2c9cac0113225b423518.exe
File opened for modification	\??\c:\Windows\svchest000.exe	3ae371fbd25b2c9cac0113225b423518.exe
File created	\??\c:\Windows\notepab.exe	3ae371fbd25b2c9cac0113225b423518.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 1656	2088	3ae371fbd25b2c9cac0113225b423518.exe	17
PID 2088 wrote to memory of 1656	2088	3ae371fbd25b2c9cac0113225b423518.exe	17
PID 2088 wrote to memory of 1656	2088	3ae371fbd25b2c9cac0113225b423518.exe	17
PID 2088 wrote to memory of 1656	2088	3ae371fbd25b2c9cac0113225b423518.exe	17

C:\Users\Admin\AppData\Local\Temp\3ae371fbd25b2c9cac0113225b423518.exe
"C:\Users\Admin\AppData\Local\Temp\3ae371fbd25b2c9cac0113225b423518.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2088
- \??\c:\Windows\svchest000.exe
  c:\Windows\svchest000.exe
  2⤵
  - Executes dropped EXE
  PID:1656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\svchest000.exe

Filesize
92KB

MD5
257c2eb1237f3c7dfbbf16489b130eed

SHA1
d2b8d6c8f7b72753a3f78ae08e7bc2d0f8ceaa6f

SHA256
39181b4e1fcb0df35ce1218ed05d75053c95cca0b5d230a05836c5c902476e88

SHA512
ff32672334214795cbbc0cd640a62a0a15e4346f5595a7d0792528b7c8aec043f8a67cd0be128f1b61121515f454a596e54a6994f81f27b0ebe6256dc5ab7b26

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads