gh0strat | 677c95630c76b429d08d79c829891451753ef61e0bf6f3b991c85c91b6a8c265

Analysis

max time kernel
152s
max time network
137s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 09:03

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General

Target

13ac75cc8a0b19b0aaeb77ed62e3fcba.exe
Size

506KB
MD5

13ac75cc8a0b19b0aaeb77ed62e3fcba
SHA1

497231f6d1fbd3f9a2550ba94e1798368c5a3c24
SHA256

677c95630c76b429d08d79c829891451753ef61e0bf6f3b991c85c91b6a8c265
SHA512

51d0d4184c8444eae920f63b2f9b4207a3ee071e1cc4b56f69a6d33c91ea3484a195a70b91f5704bf9f94c5c65c3bbc912c0ba7ac69478261a8ccbf0c4589ea9
SSDEEP

12288:g08PKZVQQxfnr+TK7r79/J0NWNf37JcAayM5ahHj6:b8AVQQxfnr+TK7r79/J0ofrJEyM5ahD6

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012280-4.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
2788	(null)0.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\\13ac75cc8a0b19b0aaeb77ed62e3fcba.exe"	13ac75cc8a0b19b0aaeb77ed62e3fcba.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	13ac75cc8a0b19b0aaeb77ed62e3fcba.exe
File opened for modification	\??\c:\Windows\BJ.exe	13ac75cc8a0b19b0aaeb77ed62e3fcba.exe
File created	\??\c:\Windows\(null)0.exe	13ac75cc8a0b19b0aaeb77ed62e3fcba.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1272 wrote to memory of 2788	1272	13ac75cc8a0b19b0aaeb77ed62e3fcba.exe	28
PID 1272 wrote to memory of 2788	1272	13ac75cc8a0b19b0aaeb77ed62e3fcba.exe	28
PID 1272 wrote to memory of 2788	1272	13ac75cc8a0b19b0aaeb77ed62e3fcba.exe	28
PID 1272 wrote to memory of 2788	1272	13ac75cc8a0b19b0aaeb77ed62e3fcba.exe	28

C:\Users\Admin\AppData\Local\Temp\13ac75cc8a0b19b0aaeb77ed62e3fcba.exe
"C:\Users\Admin\AppData\Local\Temp\13ac75cc8a0b19b0aaeb77ed62e3fcba.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1272
- \??\c:\Windows\(null)0.exe
  c:\Windows\(null)0.exe
  2⤵
  - Executes dropped EXE
  PID:2788

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\(null)0.exe

Filesize
506KB

MD5
13ac75cc8a0b19b0aaeb77ed62e3fcba

SHA1
497231f6d1fbd3f9a2550ba94e1798368c5a3c24

SHA256
677c95630c76b429d08d79c829891451753ef61e0bf6f3b991c85c91b6a8c265

SHA512
51d0d4184c8444eae920f63b2f9b4207a3ee071e1cc4b56f69a6d33c91ea3484a195a70b91f5704bf9f94c5c65c3bbc912c0ba7ac69478261a8ccbf0c4589ea9

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads