gh0strat | baf2e512ccbb9ea27627e8726afe7aaa34e19a0055326bc1b57a0ac56212c9bb

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-11-2024 15:48

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General

Target

baf2e512ccbb9ea27627e8726afe7aaa34e19a0055326bc1b57a0ac56212c9bb.dll
Size

1.6MB
MD5

6cc03a26bb589a589161baebc8050290
SHA1

2f96f255b2f905ab441931e66880965798ae83fb
SHA256

baf2e512ccbb9ea27627e8726afe7aaa34e19a0055326bc1b57a0ac56212c9bb
SHA512

11c240aef03f88951d3d44e4933a7cb675f16617b16c1f92699e46062283cbf9e479b56e1be49a12a5bcd27ab2a90e46e76de371d7bf14abd8aeeb1a4fba43f2
SSDEEP

24576:4pLOet+FXyn5pGJd1GdQmw7dj6ypuNiTdjvPG4/:4pLnt+Fy+1GnAj4ipjnL/

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 1 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/1620-1-0x0000000010000000-0x00000000101A4000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1620-1-0x0000000010000000-0x00000000101A4000-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
Gh0strat family
gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Purplefox family
purplefox

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "C:\\Windows\\SysWOW64\\rundll32.exe"	rundll32.exe

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

Processes:

rundll32.exe

description ioc process

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

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

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1640 wrote to memory of 1620	1640	rundll32.exe	rundll32.exe
PID 1640 wrote to memory of 1620	1640	rundll32.exe	rundll32.exe
PID 1640 wrote to memory of 1620	1640	rundll32.exe	rundll32.exe
PID 1640 wrote to memory of 1620	1640	rundll32.exe	rundll32.exe
PID 1640 wrote to memory of 1620	1640	rundll32.exe	rundll32.exe
PID 1640 wrote to memory of 1620	1640	rundll32.exe	rundll32.exe
PID 1640 wrote to memory of 1620	1640	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\baf2e512ccbb9ea27627e8726afe7aaa34e19a0055326bc1b57a0ac56212c9bb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1640
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\baf2e512ccbb9ea27627e8726afe7aaa34e19a0055326bc1b57a0ac56212c9bb.dll,#1
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:1620

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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/1620-0-0x00000000773E0000-0x00000000774B6000-memory.dmp

Filesize
856KB

Download
memory/1620-1-0x0000000010000000-0x00000000101A4000-memory.dmp

Filesize
1.6MB

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