gh0strat | 613cd3ad0f822e5b5c2c5091f91b37ba13d2da5bd98d2e9f11991d394733a025

Analysis

max time kernel
151s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
05/12/2022, 21:12

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General

Target

613cd3ad0f822e5b5c2c5091f91b37ba13d2da5bd98d2e9f11991d394733a025.exe
Size

919KB
MD5

1ce18d93bddd3b07001129742055f73f
SHA1

36113a76b9ed96ce38656a6b2e2142d45ea7147d
SHA256

613cd3ad0f822e5b5c2c5091f91b37ba13d2da5bd98d2e9f11991d394733a025
SHA512

36920b77cf4017d1df2a7aefa7d552dce3bb6204c6979aa5c5a16916321ba1d3bc1dde7d4cbab33231c64fa612d5a47595e84b9922d6caacddc21312980ff3e9
SSDEEP

12288:iM5jZKbBL3aKHx5r+TuxX+fWbwFBfdGmZ1vgSn:iM5j8Z3aKHx5r+TuxX+IwffFZ1vgSn

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral2/files/0x0007000000022ddb-133.dat	family_gh0strat
behavioral2/files/0x0007000000022ddb-134.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
1052	svchest432048043204801465662051.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	613cd3ad0f822e5b5c2c5091f91b37ba13d2da5bd98d2e9f11991d394733a025.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "c:\\Windows\\notepab.exe"	613cd3ad0f822e5b5c2c5091f91b37ba13d2da5bd98d2e9f11991d394733a025.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	613cd3ad0f822e5b5c2c5091f91b37ba13d2da5bd98d2e9f11991d394733a025.exe
File opened for modification	\??\c:\Windows\BJ.exe	613cd3ad0f822e5b5c2c5091f91b37ba13d2da5bd98d2e9f11991d394733a025.exe
File created	\??\c:\Windows\svchest432048043204801465662051.exe	613cd3ad0f822e5b5c2c5091f91b37ba13d2da5bd98d2e9f11991d394733a025.exe
File opened for modification	\??\c:\Windows\svchest432048043204801465662051.exe	613cd3ad0f822e5b5c2c5091f91b37ba13d2da5bd98d2e9f11991d394733a025.exe
File created	\??\c:\Windows\notepab.exe	613cd3ad0f822e5b5c2c5091f91b37ba13d2da5bd98d2e9f11991d394733a025.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5080 wrote to memory of 1052	5080	613cd3ad0f822e5b5c2c5091f91b37ba13d2da5bd98d2e9f11991d394733a025.exe	77
PID 5080 wrote to memory of 1052	5080	613cd3ad0f822e5b5c2c5091f91b37ba13d2da5bd98d2e9f11991d394733a025.exe	77
PID 5080 wrote to memory of 1052	5080	613cd3ad0f822e5b5c2c5091f91b37ba13d2da5bd98d2e9f11991d394733a025.exe	77

C:\Users\Admin\AppData\Local\Temp\613cd3ad0f822e5b5c2c5091f91b37ba13d2da5bd98d2e9f11991d394733a025.exe
"C:\Users\Admin\AppData\Local\Temp\613cd3ad0f822e5b5c2c5091f91b37ba13d2da5bd98d2e9f11991d394733a025.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:5080
- \??\c:\Windows\svchest432048043204801465662051.exe
  c:\Windows\svchest432048043204801465662051.exe
  2⤵
  - Executes dropped EXE
  PID:1052

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\svchest432048043204801465662051.exe

Filesize
919KB

MD5
1ce18d93bddd3b07001129742055f73f

SHA1
36113a76b9ed96ce38656a6b2e2142d45ea7147d

SHA256
613cd3ad0f822e5b5c2c5091f91b37ba13d2da5bd98d2e9f11991d394733a025

SHA512
36920b77cf4017d1df2a7aefa7d552dce3bb6204c6979aa5c5a16916321ba1d3bc1dde7d4cbab33231c64fa612d5a47595e84b9922d6caacddc21312980ff3e9

Download Submit
\??\c:\Windows\svchest432048043204801465662051.exe

Filesize
919KB

MD5
1ce18d93bddd3b07001129742055f73f

SHA1
36113a76b9ed96ce38656a6b2e2142d45ea7147d

SHA256
613cd3ad0f822e5b5c2c5091f91b37ba13d2da5bd98d2e9f11991d394733a025

SHA512
36920b77cf4017d1df2a7aefa7d552dce3bb6204c6979aa5c5a16916321ba1d3bc1dde7d4cbab33231c64fa612d5a47595e84b9922d6caacddc21312980ff3e9

Download Submit