gh0strat | 42d220738a2c995c943a332250d5bbfb86fd344e34f008102c6e78ac1f101611

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14/01/2024, 09:59

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General

Target

5af18c3873412a70cced47b9456fba9c.exe
Size

890KB
MD5

5af18c3873412a70cced47b9456fba9c
SHA1

0854ae1d604e80f53bc4830e1bf78c6eed18eb7d
SHA256

42d220738a2c995c943a332250d5bbfb86fd344e34f008102c6e78ac1f101611
SHA512

51a5cc4476085a8c42201e760786457b68853ed62cf3bfc24e9e9001cb91c03ba452e6b75ba3e7d7f9d385c28a66c7bb5db69881e82b1a847e9eb0e2b406b1fd
SSDEEP

24576:mQKQVQQxfnr+TK7r79/JD71PRi4M5KCGsx:gvB

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/2912-0-0x0000000000400000-0x00000000004ED000-memory.dmp	family_gh0strat
behavioral1/files/0x000d000000012716-6.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
860	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:\\Users\\Admin\\AppData\\Local\\Temp\\5af18c3873412a70cced47b9456fba9c.exe"	5af18c3873412a70cced47b9456fba9c.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Windows\BJ.exe	5af18c3873412a70cced47b9456fba9c.exe
File created	\??\c:\Windows\BJ.exe	5af18c3873412a70cced47b9456fba9c.exe
File created	\??\c:\Windows\svchest000.exe	5af18c3873412a70cced47b9456fba9c.exe
File opened for modification	\??\c:\Windows\svchest000.exe	5af18c3873412a70cced47b9456fba9c.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2912 wrote to memory of 860	2912	5af18c3873412a70cced47b9456fba9c.exe	28
PID 2912 wrote to memory of 860	2912	5af18c3873412a70cced47b9456fba9c.exe	28
PID 2912 wrote to memory of 860	2912	5af18c3873412a70cced47b9456fba9c.exe	28
PID 2912 wrote to memory of 860	2912	5af18c3873412a70cced47b9456fba9c.exe	28

C:\Users\Admin\AppData\Local\Temp\5af18c3873412a70cced47b9456fba9c.exe
"C:\Users\Admin\AppData\Local\Temp\5af18c3873412a70cced47b9456fba9c.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2912
- \??\c:\Windows\svchest000.exe
  c:\Windows\svchest000.exe
  2⤵
  - Executes dropped EXE
  PID:860

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
890KB

MD5
5af18c3873412a70cced47b9456fba9c

SHA1
0854ae1d604e80f53bc4830e1bf78c6eed18eb7d

SHA256
42d220738a2c995c943a332250d5bbfb86fd344e34f008102c6e78ac1f101611

SHA512
51a5cc4476085a8c42201e760786457b68853ed62cf3bfc24e9e9001cb91c03ba452e6b75ba3e7d7f9d385c28a66c7bb5db69881e82b1a847e9eb0e2b406b1fd

Download Submit
memory/2912-0-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads