gh0strat | b4160fda2f0edc44fb646db2d609876382afc0fa78b5be047533802f5fcb7535

Analysis

max time kernel
209s
max time network
248s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
29/11/2022, 14:03

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

b4160fda2f0edc44fb646db2d609876382afc0fa78b5be047533802f5fcb7535.exe
Size

167KB
MD5

39e1fe7316885d7b8322f5e5739484aa
SHA1

c7889057dc01d79571d82473db3cb551121893f4
SHA256

b4160fda2f0edc44fb646db2d609876382afc0fa78b5be047533802f5fcb7535
SHA512

02d17d482996b40e54785bb1742cf72e3653db544bef4d390a64e7e40d50cedab3dbdf9737107cf471a1463731e98aea048a0795bdf5b591960049493a1de9b8
SSDEEP

3072:DoUGzRVHgCcnV5j9j0lvil2NnGfNGHqRy1zkeS1FpTa3q5tJH9BY/s9:LGzRxSVtp0l6whGfsKR+zkBpTaa5tJH7

Score

10^/10

gh0strat persistence rat upx

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral2/memory/520-133-0x0000000000400000-0x00000000004F0000-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

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/520-132-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral2/memory/520-133-0x0000000000400000-0x00000000004F0000-memory.dmp	upx

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	b4160fda2f0edc44fb646db2d609876382afc0fa78b5be047533802f5fcb7535.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b4160fda2f0edc44fb646db2d609876382afc0fa78b5be047533802f5fcb7535.exe"	b4160fda2f0edc44fb646db2d609876382afc0fa78b5be047533802f5fcb7535.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	b4160fda2f0edc44fb646db2d609876382afc0fa78b5be047533802f5fcb7535.exe
File opened for modification	\??\c:\Windows\BJ.exe	b4160fda2f0edc44fb646db2d609876382afc0fa78b5be047533802f5fcb7535.exe
File created	\??\c:\Windows\ì4249552.exe	b4160fda2f0edc44fb646db2d609876382afc0fa78b5be047533802f5fcb7535.exe

C:\Users\Admin\AppData\Local\Temp\b4160fda2f0edc44fb646db2d609876382afc0fa78b5be047533802f5fcb7535.exe
"C:\Users\Admin\AppData\Local\Temp\b4160fda2f0edc44fb646db2d609876382afc0fa78b5be047533802f5fcb7535.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
PID:520

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

Loading Replay Monitor...

Downloads

memory/520-132-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/520-133-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download