gh0strat | b5a96abdce48736f0456c2d7d3b334ee3220536c1358c22317bc431e9dbf6724

Analysis

max time kernel
148s
max time network
115s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
11/07/2026, 00:31

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General

Target
b5a96abdce48736f0456c2d7d3b334ee3220536c1358c22317bc431e9dbf6724.dll
Size 1.5MB
Sample260711-ava3babv71
SHA256 b5a96abdce48736f0456c2d7d3b334ee3220536c1358c22317bc431e9dbf6724
MD5 316f26aa0d7ca02d055ce95fdf98f250
SHA1 cd0e8ec01925d66539bbfaa4870e94b5a3c56806
SHA512 177fc94f04bea8d66061e2cf3383aae959e59d8891632e25f39044fc688e8620c5e85c60380ee914d6b807661a709f282cc4573a952b9acef4e206f6d9bff9fe
SSDEEP 24576:o4rDuOIlp7ePLgRyU7CKiFgS8LPfL0jUkM5FIJRweiMtRMqYCTLCK0Y:F9oXUT
TLSH
T14D755C43E2B28CE7C7D90534DC6AD2767B347A1C93FB86737680D9D7B5622907A2031A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery gh0strat purplefox rat rootkit trojan upx

Malware Config

Signatures

Family: 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
Family: PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox

Detect PurpleFox Rootkit 1 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/6120-0-0x0000000010000000-0x00000000101B7000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral2/memory/6120-0-0x0000000010000000-0x00000000101B7000-memory.dmp	family_gh0strat

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/6120-0-0x0000000010000000-0x00000000101B7000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1548	6120	WerFault.exe	87

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 6120	2160	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b5a96abdce48736f0456c2d7d3b334ee3220536c1358c22317bc431e9dbf6724.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2160
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b5a96abdce48736f0456c2d7d3b334ee3220536c1358c22317bc431e9dbf6724.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:6120
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 6120 -s 460
    3⤵
    - Program crash
    PID:1548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 6120 -ip 6120
1⤵
PID:4700

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/6120-0-0x0000000010000000-0x00000000101B7000-memory.dmp

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