gh0strat | f344b2724bb971d9e0e1c578e2973f1d06027f2e1a82565e7dc54a817021b607

Analysis

max time kernel
151s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
01-12-2022 09:45

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General

Target

f344b2724bb971d9e0e1c578e2973f1d06027f2e1a82565e7dc54a817021b607.exe
Size

749KB
MD5

14185c4b292f398cd94929f92aa745f0
SHA1

e3e8bc51d6ebb4a140e7bd2b935f07fe46da924f
SHA256

f344b2724bb971d9e0e1c578e2973f1d06027f2e1a82565e7dc54a817021b607
SHA512

9da92dd1f8c43389eb0685e14e79679e1949f66a82e3949a4e8604e89f76ccd7b8a3ab9af442a1ec11121b9b07d3bcfdbf8d5895f3157ad39d05f83e9a097ce3
SSDEEP

12288:jt0VPFfsKAkrbPlXhHANUTNqjHANUTN6NUTN1e:SFksb1AHe

Score

10^/10

gh0strat persistence rat upx

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral2/memory/2680-132-0x0000000000400000-0x00000000004F1000-memory.dmp	family_gh0strat
behavioral2/memory/2680-133-0x0000000000400000-0x00000000004F1000-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/2680-132-0x0000000000400000-0x00000000004F1000-memory.dmp	upx
behavioral2/memory/2680-133-0x0000000000400000-0x00000000004F1000-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	f344b2724bb971d9e0e1c578e2973f1d06027f2e1a82565e7dc54a817021b607.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f344b2724bb971d9e0e1c578e2973f1d06027f2e1a82565e7dc54a817021b607.exe"	f344b2724bb971d9e0e1c578e2973f1d06027f2e1a82565e7dc54a817021b607.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	f344b2724bb971d9e0e1c578e2973f1d06027f2e1a82565e7dc54a817021b607.exe
File opened for modification	\??\c:\Windows\BJ.exe	f344b2724bb971d9e0e1c578e2973f1d06027f2e1a82565e7dc54a817021b607.exe
File created	\??\c:\Windows\ì4249552.exe	f344b2724bb971d9e0e1c578e2973f1d06027f2e1a82565e7dc54a817021b607.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	f344b2724bb971d9e0e1c578e2973f1d06027f2e1a82565e7dc54a817021b607.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	f344b2724bb971d9e0e1c578e2973f1d06027f2e1a82565e7dc54a817021b607.exe

C:\Users\Admin\AppData\Local\Temp\f344b2724bb971d9e0e1c578e2973f1d06027f2e1a82565e7dc54a817021b607.exe
"C:\Users\Admin\AppData\Local\Temp\f344b2724bb971d9e0e1c578e2973f1d06027f2e1a82565e7dc54a817021b607.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Checks processor information in registry
PID:2680

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2680-132-0x0000000000400000-0x00000000004F1000-memory.dmp

Filesize
964KB

Download
memory/2680-133-0x0000000000400000-0x00000000004F1000-memory.dmp

Filesize
964KB

Download