gh0strat | 79a91f64b84ec213472eaf0b4eb78c05c8200a1959c6e6f962c8c7d1d9553363

Analysis

max time kernel
149s
max time network
153s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
30/05/2026, 22:29

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General

Target
79a91f64b84ec213472eaf0b4eb78c05c8200a1959c6e6f962c8c7d1d9553363.dll
Size 1.5MB
Sample260530-2eg98set4v
SHA256 79a91f64b84ec213472eaf0b4eb78c05c8200a1959c6e6f962c8c7d1d9553363
MD5 a7a6ba4ce942d12ed7bcde7f597e3cea
SHA1 1ea4d21a03d1aae748242a49abb181df08772c7b
SHA512 9a5c9d21d6383a2f216a03efe9646ec4747e00513efc78896eb2a1e00bf0c49d2210446268b9871722d63a92b04929a38b81c2b3fe3ede51e1aa4ff40306ada6
SSDEEP 24576:7MfywgIt/65Fu99573/aiVIOYrFzpCM5hyv3m8AMtRyce0LCOK0B:l49rJ
TLSH
T1A2755C83F2B64CE3CBD40034EC6AD2767B34791D93FB86737240DAD6B5A6690792035A
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/688-0-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral2/memory/688-0-0x0000000010000000-0x00000000101B6000-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/688-0-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4884	688	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 3356 wrote to memory of 688	3356	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\79a91f64b84ec213472eaf0b4eb78c05c8200a1959c6e6f962c8c7d1d9553363.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3356
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\79a91f64b84ec213472eaf0b4eb78c05c8200a1959c6e6f962c8c7d1d9553363.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:688
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 688 -s 424
    3⤵
    - Program crash
    PID:4884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 688 -ip 688
1⤵
PID:1132

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/688-0-0x0000000010000000-0x00000000101B6000-memory.dmp

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