gh0strat | 613cd3ad0f822e5b5c2c5091f91b37ba13d2da5bd98d2e9f11991d394733a025

Analysis

max time kernel
151s
max time network
49s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
05/12/2022, 21:12 UTC

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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 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012302-56.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
1988	svchest001465662051.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\svchest001465662051.exe	613cd3ad0f822e5b5c2c5091f91b37ba13d2da5bd98d2e9f11991d394733a025.exe
File opened for modification	\??\c:\Windows\svchest001465662051.exe	613cd3ad0f822e5b5c2c5091f91b37ba13d2da5bd98d2e9f11991d394733a025.exe
File created	\??\c:\Windows\notepab.exe	613cd3ad0f822e5b5c2c5091f91b37ba13d2da5bd98d2e9f11991d394733a025.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 1988	2032	613cd3ad0f822e5b5c2c5091f91b37ba13d2da5bd98d2e9f11991d394733a025.exe	28
PID 2032 wrote to memory of 1988	2032	613cd3ad0f822e5b5c2c5091f91b37ba13d2da5bd98d2e9f11991d394733a025.exe	28
PID 2032 wrote to memory of 1988	2032	613cd3ad0f822e5b5c2c5091f91b37ba13d2da5bd98d2e9f11991d394733a025.exe	28
PID 2032 wrote to memory of 1988	2032	613cd3ad0f822e5b5c2c5091f91b37ba13d2da5bd98d2e9f11991d394733a025.exe	28

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:2032
- \??\c:\Windows\svchest001465662051.exe
  c:\Windows\svchest001465662051.exe
  2⤵
  - Executes dropped EXE
  PID:1988

Network

DNS

sfwu.3322.org

613cd3ad0f822e5b5c2c5091f91b37ba13d2da5bd98d2e9f11991d394733a025.exe

Remote address:

8.8.8.8:53

Request

sfwu.3322.org

IN A

Response

sfwu.3322.org

IN A

157.122.62.205

157.122.62.205:7900

sfwu.3322.org

613cd3ad0f822e5b5c2c5091f91b37ba13d2da5bd98d2e9f11991d394733a025.exe

152 B
3

8.8.8.8:53

sfwu.3322.org

dns

613cd3ad0f822e5b5c2c5091f91b37ba13d2da5bd98d2e9f11991d394733a025.exe

59 B
75 B
1
1

DNS Request

sfwu.3322.org

DNS Response

157.122.62.205

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\svchest001465662051.exe

Filesize
919KB

MD5
882b13c3087af86f8686cb7547779c54

SHA1
acb23cc1233ef04d6a7920209f958b2c2ab4bdac

SHA256
e8f2961a7e33ccf09d6697cf050e84486be33343bcb6ed638b331a4717f60ed6

SHA512
96e239dba89cc2bae42bf92d14afc918871a2d3f501e18483ac71d07ea6b5547529fc109c9e01c37110ccdcd4c38ec1e8ecca1906460e61c25c1c37118c4f82b

Download Submit
memory/2032-54-0x00000000767B1000-0x00000000767B3000-memory.dmp

Filesize
8KB

Download