gh0strat | 65ec22e078ef51658755d0b9c3a2c4a7501e1ce4c3797b1d99c91b0c58c30128

Analysis

max time kernel
148s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
09/01/2024, 18:21

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General

Target

ef330f7ff396977b4804a1e4df4403b7.exe
Size

536KB
MD5

ef330f7ff396977b4804a1e4df4403b7
SHA1

2fe326731fa25457e18b014550c566ef3ff8aef7
SHA256

65ec22e078ef51658755d0b9c3a2c4a7501e1ce4c3797b1d99c91b0c58c30128
SHA512

6635423d17e4d6f94083c871c5237e8bb50e148922bae2c4544110544e137245221ed1037d7b5f91f6f68c1d291f71ec812e6be11b7d2ba33cf007f723675498
SSDEEP

12288:q08PKZVQQxfnr+TK7r79/J0NWNf37JcAayM5ahHj0K:t8AVQQxfnr+TK7r79/J0ofrJEyM5ahDR

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/files/0x00080000000122c9-7.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
2480	(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\\ef330f7ff396977b4804a1e4df4403b7.exe"	ef330f7ff396977b4804a1e4df4403b7.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	\??\c:\Windows\(null)0.exe	ef330f7ff396977b4804a1e4df4403b7.exe
File opened for modification	\??\c:\Windows\BJ.exe	ef330f7ff396977b4804a1e4df4403b7.exe
File created	\??\c:\Windows\BJ.exe	ef330f7ff396977b4804a1e4df4403b7.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 2480	2368	ef330f7ff396977b4804a1e4df4403b7.exe	17
PID 2368 wrote to memory of 2480	2368	ef330f7ff396977b4804a1e4df4403b7.exe	17
PID 2368 wrote to memory of 2480	2368	ef330f7ff396977b4804a1e4df4403b7.exe	17
PID 2368 wrote to memory of 2480	2368	ef330f7ff396977b4804a1e4df4403b7.exe	17

C:\Users\Admin\AppData\Local\Temp\ef330f7ff396977b4804a1e4df4403b7.exe
"C:\Users\Admin\AppData\Local\Temp\ef330f7ff396977b4804a1e4df4403b7.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2368
- \??\c:\Windows\(null)0.exe
  c:\Windows\(null)0.exe
  2⤵
  - Executes dropped EXE
  PID:2480

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

Windows 7 deprecation

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads