gh0strat | a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450

Analysis

max time kernel
151s
max time network
42s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
05-12-2022 21:12

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General

Target

a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450.exe
Size

790KB
MD5

938f5ee5e3777f00da37c7469b97a9e7
SHA1

1cb9c94fd022a32ccfb5ae57b78f6d26ec6db754
SHA256

a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450
SHA512

ecdcdcd1606c64e45ab5501b5c17741343beae6d239bdb08761e3a8950edd3dfd59b955e3d7be7295c309796a6eaf6d54ed5c0bd91cce7511eebc4bb0d2163cd
SSDEEP

12288:iM5jZKbBL3aKHx5r+TuxX+fWbwFBfdGmZv:iM5j8Z3aKHx5r+TuxX+IwffFZv

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000014b75-56.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
1984	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	a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "c:\\Windows\\notepab.exe"	a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File opened for modification	\??\c:\Windows\svchest001465662051.exe	a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450.exe
File created	\??\c:\Windows\notepab.exe	a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450.exe
File created	\??\c:\Windows\BJ.exe	a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450.exe
File opened for modification	\??\c:\Windows\BJ.exe	a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450.exe
File created	\??\c:\Windows\svchest001465662051.exe	a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 784 wrote to memory of 1984	784	a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450.exe	26
PID 784 wrote to memory of 1984	784	a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450.exe	26
PID 784 wrote to memory of 1984	784	a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450.exe	26
PID 784 wrote to memory of 1984	784	a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450.exe	26

C:\Users\Admin\AppData\Local\Temp\a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450.exe
"C:\Users\Admin\AppData\Local\Temp\a15ee6f25dee4059a845c4310e61c34d2ac0722d1ed7a2653be92d9d0beb9450.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:784
- \??\c:\Windows\svchest001465662051.exe
  c:\Windows\svchest001465662051.exe
  2⤵
  - Executes dropped EXE
  PID:1984

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

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Downloads

C:\Windows\svchest001465662051.exe

Filesize
790KB

MD5
27b52640bb86d3856855757c5535e570

SHA1
89ce3b947a3a5f197c0844587a1f17bc2e98a6c4

SHA256
e46e02ffe8c584700380a55a158713103db7085c3c51d911e93f3ce66689dbdc

SHA512
4278199bcf5a93b4652ee5ef8c9edfdedf8c07bbf76e55633f9d85dd18dcd2047051b0e06eb7ed34bf2e884e999cf9095f54054905bf32a3710bca5ff7f55499

Download Submit
memory/784-54-0x0000000075FC1000-0x0000000075FC3000-memory.dmp

Filesize
8KB

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