gh0strat | 995f969c044f5bac399831ca0527c7b24f07309402eda1fdef368b6f61ce65dc

Analysis

max time kernel
149s
max time network
156s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
28/05/2026, 00:23

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General

Target
995f969c044f5bac399831ca0527c7b24f07309402eda1fdef368b6f61ce65dc.dll
Size 1.5MB
Sample260528-apxn5ad16w
SHA256 995f969c044f5bac399831ca0527c7b24f07309402eda1fdef368b6f61ce65dc
MD5 4b96daea6a909c347ae18cc00f67d334
SHA1 45f324048cbfb08058c878d65d38e40c06290b46
SHA512 452e8b115a87695b27e485045a34c8304e63dc6b65ea96bddba2dd9119334d6b056951fb5f39697063533d69a73edc0498be5698b2a7d6c8379fca9977bb889f
SSDEEP 24576:7MfywgIt/65Fu99573/aiVIOYrFzpCM5hyv3m8AMtRyce0LCOK0B:l49rJ
TLSH
T1BB755C83F2B64CE3CBD40034EC6AD2767B34791D93FB86737240DAD6B5A6690792035A
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/1148-0-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral2/memory/1148-0-0x0000000010000000-0x00000000101B6000-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/1148-0-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3348	1148	WerFault.exe	80

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 3052 wrote to memory of 1148	3052	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\995f969c044f5bac399831ca0527c7b24f07309402eda1fdef368b6f61ce65dc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\995f969c044f5bac399831ca0527c7b24f07309402eda1fdef368b6f61ce65dc.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1148
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1148 -s 412
    3⤵
    - Program crash
    PID:3348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1148 -ip 1148
1⤵
PID:3140

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

Replay Monitor

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Downloads

memory/1148-0-0x0000000010000000-0x00000000101B6000-memory.dmp

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