gh0strat | 9113a516844c1624b7ca7b9eeb7250df87f15e8eb3ba3f5090beb13065f891e8

Analysis

max time kernel
186s
max time network
63s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
07/11/2022, 11:43

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General

Target

9113a516844c1624b7ca7b9eeb7250df87f15e8eb3ba3f5090beb13065f891e8.exe
Size

329KB
MD5

08bb821a154874310064aa90e07f8041
SHA1

759fc77c002c0a60fe184ce3de2efb3e3ce59333
SHA256

9113a516844c1624b7ca7b9eeb7250df87f15e8eb3ba3f5090beb13065f891e8
SHA512

2d3c88be9ca98b945771169f9ddcebb18f79f5d9475e1439d12f54fdd99d3d21a56ee710fb1cfd223d2ce66a01c8712131af4f0bf4b0c24cbd88fbda7bad7a9d
SSDEEP

3072:R+QGB8zNmVMYSxKeobNKcf09c8wfCL7uQ/IpRoutyVX9iWAo1mEW:R+NB8YutgeoJc9XL5WoSyFLmEW

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/1452-58-0x0000000000400000-0x00000000004F6000-memory.dmp	family_gh0strat
behavioral1/memory/1920-59-0x0000000000400000-0x00000000004F6000-memory.dmp	family_gh0strat
behavioral1/memory/1920-61-0x0000000000400000-0x00000000004F6000-memory.dmp	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
1452	svchest000.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	9113a516844c1624b7ca7b9eeb7250df87f15e8eb3ba3f5090beb13065f891e8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9113a516844c1624b7ca7b9eeb7250df87f15e8eb3ba3f5090beb13065f891e8.exe"	9113a516844c1624b7ca7b9eeb7250df87f15e8eb3ba3f5090beb13065f891e8.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	9113a516844c1624b7ca7b9eeb7250df87f15e8eb3ba3f5090beb13065f891e8.exe
File opened for modification	\??\c:\Windows\BJ.exe	9113a516844c1624b7ca7b9eeb7250df87f15e8eb3ba3f5090beb13065f891e8.exe
File created	\??\c:\Windows\svchest000.exe	9113a516844c1624b7ca7b9eeb7250df87f15e8eb3ba3f5090beb13065f891e8.exe
File opened for modification	\??\c:\Windows\svchest000.exe	9113a516844c1624b7ca7b9eeb7250df87f15e8eb3ba3f5090beb13065f891e8.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1920 wrote to memory of 1452	1920	9113a516844c1624b7ca7b9eeb7250df87f15e8eb3ba3f5090beb13065f891e8.exe	28
PID 1920 wrote to memory of 1452	1920	9113a516844c1624b7ca7b9eeb7250df87f15e8eb3ba3f5090beb13065f891e8.exe	28
PID 1920 wrote to memory of 1452	1920	9113a516844c1624b7ca7b9eeb7250df87f15e8eb3ba3f5090beb13065f891e8.exe	28
PID 1920 wrote to memory of 1452	1920	9113a516844c1624b7ca7b9eeb7250df87f15e8eb3ba3f5090beb13065f891e8.exe	28

C:\Users\Admin\AppData\Local\Temp\9113a516844c1624b7ca7b9eeb7250df87f15e8eb3ba3f5090beb13065f891e8.exe
"C:\Users\Admin\AppData\Local\Temp\9113a516844c1624b7ca7b9eeb7250df87f15e8eb3ba3f5090beb13065f891e8.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1920
- \??\c:\Windows\svchest000.exe
  c:\Windows\svchest000.exe
  2⤵
  - Executes dropped EXE
  PID:1452

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

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\svchest000.exe

Filesize
329KB

MD5
08bb821a154874310064aa90e07f8041

SHA1
759fc77c002c0a60fe184ce3de2efb3e3ce59333

SHA256
9113a516844c1624b7ca7b9eeb7250df87f15e8eb3ba3f5090beb13065f891e8

SHA512
2d3c88be9ca98b945771169f9ddcebb18f79f5d9475e1439d12f54fdd99d3d21a56ee710fb1cfd223d2ce66a01c8712131af4f0bf4b0c24cbd88fbda7bad7a9d

Download Submit
memory/1452-58-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/1920-54-0x0000000076181000-0x0000000076183000-memory.dmp

Filesize
8KB

Download
memory/1920-59-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/1920-60-0x00000000023D0000-0x00000000024C6000-memory.dmp

Filesize
984KB

Download
memory/1920-61-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download