gh0strat | 5bfb34d8140f17cc8738b72f2d7c6679e4c373431a48c35b958d40da8689a5e1

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25-01-2024 16:00

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General

Target

74eb136b0b32c45c7bcd7f1d150bdc47.exe
Size

822KB
MD5

74eb136b0b32c45c7bcd7f1d150bdc47
SHA1

9e512498aed66cbd7453f45b112ba9bfa4edb5e9
SHA256

5bfb34d8140f17cc8738b72f2d7c6679e4c373431a48c35b958d40da8689a5e1
SHA512

24e22d65073b2d4969f3e5f19eee576755f478dfc3d9c84491d8271785309cc0c9bbec38e09a58170d2272c5c11ef618dd7e26547842c3bf7a516e5399e4f332
SSDEEP

12288:iM5jZKbBL3aKHx5r+TuxX+fWbwFBfdGmZg:iM5j8Z3aKHx5r+TuxX+IwffFZg

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
C:\Windows\svchest001465662051.exe	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

Processes:

svchest001465662051.exe

pid process

2004 svchest001465662051.exe

pid	process
2004	svchest001465662051.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

74eb136b0b32c45c7bcd7f1d150bdc47.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "c:\\Windows\\notepab.exe"	74eb136b0b32c45c7bcd7f1d150bdc47.exe

Drops file in Windows directory 5 IoCs

Processes:

74eb136b0b32c45c7bcd7f1d150bdc47.exe

description	ioc	process
File created	\??\c:\Windows\notepab.exe	74eb136b0b32c45c7bcd7f1d150bdc47.exe
File opened for modification	\??\c:\Windows\BJ.exe	74eb136b0b32c45c7bcd7f1d150bdc47.exe
File created	\??\c:\Windows\BJ.exe	74eb136b0b32c45c7bcd7f1d150bdc47.exe
File created	\??\c:\Windows\svchest001465662051.exe	74eb136b0b32c45c7bcd7f1d150bdc47.exe
File opened for modification	\??\c:\Windows\svchest001465662051.exe	74eb136b0b32c45c7bcd7f1d150bdc47.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

74eb136b0b32c45c7bcd7f1d150bdc47.exe

description	pid	process	target process
PID 1720 wrote to memory of 2004	1720	74eb136b0b32c45c7bcd7f1d150bdc47.exe	svchest001465662051.exe
PID 1720 wrote to memory of 2004	1720	74eb136b0b32c45c7bcd7f1d150bdc47.exe	svchest001465662051.exe
PID 1720 wrote to memory of 2004	1720	74eb136b0b32c45c7bcd7f1d150bdc47.exe	svchest001465662051.exe
PID 1720 wrote to memory of 2004	1720	74eb136b0b32c45c7bcd7f1d150bdc47.exe	svchest001465662051.exe

C:\Users\Admin\AppData\Local\Temp\74eb136b0b32c45c7bcd7f1d150bdc47.exe
"C:\Users\Admin\AppData\Local\Temp\74eb136b0b32c45c7bcd7f1d150bdc47.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1720

\??\c:\Windows\svchest001465662051.exe
c:\Windows\svchest001465662051.exe
2⤵
- Executes dropped EXE
PID:2004

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

Replay Monitor

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Downloads

C:\Windows\svchest001465662051.exe
Filesize
822KB

MD5
74eb136b0b32c45c7bcd7f1d150bdc47

SHA1
9e512498aed66cbd7453f45b112ba9bfa4edb5e9

SHA256
5bfb34d8140f17cc8738b72f2d7c6679e4c373431a48c35b958d40da8689a5e1

SHA512
24e22d65073b2d4969f3e5f19eee576755f478dfc3d9c84491d8271785309cc0c9bbec38e09a58170d2272c5c11ef618dd7e26547842c3bf7a516e5399e4f332

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