gh0strat | 5d92ac05afb5f066ef189377c8d207d72b1406be29696fd4307d67c71dc1fb05

General

Target

5d92ac05afb5f066ef189377c8d207d72b1406be29696fd4307d67c71dc1fb05.exe
Size

1.3MB
MD5

a1d12b0b8ba965e40b8ef58b9c7d78f9
SHA1

0eeb0a279abad5de4f24131c410c0e05ec10a665
SHA256

5d92ac05afb5f066ef189377c8d207d72b1406be29696fd4307d67c71dc1fb05
SHA512

b65d3d977b736a2c8a70059c5f7dc8e686091223a5277c2506bedd192a3ea57bac038d2aacf7f0669428f77db909b1d5c0f154a37c4bdcdc456077e3a9a3ce94
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNw:QHPkVOBTK

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 2 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/912-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/4392-10-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/912-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/4392-10-0x0000000010000000-0x000000001019F000-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
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Drops file in Drivers directory 1 IoCs

Processes:

Vnfvn.exe

description ioc process

File created C:\Windows\system32\drivers\QAssist.sys Vnfvn.exe
Sets service image path in registry 2 TTPs 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Processes:

Vnfvn.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" Vnfvn.exe
Executes dropped EXE 2 IoCs

Processes:

Vnfvn.exeVnfvn.exe

pid process

4392 Vnfvn.exe
1036 Vnfvn.exe

description	ioc	process
File created	C:\Windows\system32\drivers\QAssist.sys	Vnfvn.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	Vnfvn.exe

pid	process
4392	Vnfvn.exe
1036	Vnfvn.exe

Drops file in System32 directory 2 IoCs

Processes:

5d92ac05afb5f066ef189377c8d207d72b1406be29696fd4307d67c71dc1fb05.exe

description	ioc	process
File created	C:\Windows\SysWOW64\Vnfvn.exe	5d92ac05afb5f066ef189377c8d207d72b1406be29696fd4307d67c71dc1fb05.exe
File opened for modification	C:\Windows\SysWOW64\Vnfvn.exe	5d92ac05afb5f066ef189377c8d207d72b1406be29696fd4307d67c71dc1fb05.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1312 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

Vnfvn.exe

pid process

1036 Vnfvn.exe

pid	process
1312	PING.EXE

pid	process
1036	Vnfvn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

5d92ac05afb5f066ef189377c8d207d72b1406be29696fd4307d67c71dc1fb05.exeVnfvn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	912	5d92ac05afb5f066ef189377c8d207d72b1406be29696fd4307d67c71dc1fb05.exe
Token: SeLoadDriverPrivilege	1036	Vnfvn.exe
Token: 33	1036	Vnfvn.exe
Token: SeIncBasePriorityPrivilege	1036	Vnfvn.exe
Token: 33	1036	Vnfvn.exe
Token: SeIncBasePriorityPrivilege	1036	Vnfvn.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

5d92ac05afb5f066ef189377c8d207d72b1406be29696fd4307d67c71dc1fb05.exeVnfvn.execmd.exe

description	pid	process	target process
PID 912 wrote to memory of 1164	912	5d92ac05afb5f066ef189377c8d207d72b1406be29696fd4307d67c71dc1fb05.exe	cmd.exe
PID 912 wrote to memory of 1164	912	5d92ac05afb5f066ef189377c8d207d72b1406be29696fd4307d67c71dc1fb05.exe	cmd.exe
PID 912 wrote to memory of 1164	912	5d92ac05afb5f066ef189377c8d207d72b1406be29696fd4307d67c71dc1fb05.exe	cmd.exe
PID 4392 wrote to memory of 1036	4392	Vnfvn.exe	Vnfvn.exe
PID 4392 wrote to memory of 1036	4392	Vnfvn.exe	Vnfvn.exe
PID 4392 wrote to memory of 1036	4392	Vnfvn.exe	Vnfvn.exe
PID 1164 wrote to memory of 1312	1164	cmd.exe	PING.EXE
PID 1164 wrote to memory of 1312	1164	cmd.exe	PING.EXE
PID 1164 wrote to memory of 1312	1164	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\5d92ac05afb5f066ef189377c8d207d72b1406be29696fd4307d67c71dc1fb05.exe
"C:\Users\Admin\AppData\Local\Temp\5d92ac05afb5f066ef189377c8d207d72b1406be29696fd4307d67c71dc1fb05.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:912

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\5D92AC~1.EXE > nul
2⤵
- Suspicious use of WriteProcessMemory
PID:1164

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
3⤵
- Runs ping.exe
PID:1312

C:\Windows\SysWOW64\Vnfvn.exe
C:\Windows\SysWOW64\Vnfvn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4392

C:\Windows\SysWOW64\Vnfvn.exe
C:\Windows\SysWOW64\Vnfvn.exe -acsi
2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:1036

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Windows\SysWOW64\Vnfvn.exe
Filesize
1.3MB

MD5
a1d12b0b8ba965e40b8ef58b9c7d78f9

SHA1
0eeb0a279abad5de4f24131c410c0e05ec10a665

SHA256
5d92ac05afb5f066ef189377c8d207d72b1406be29696fd4307d67c71dc1fb05

SHA512
b65d3d977b736a2c8a70059c5f7dc8e686091223a5277c2506bedd192a3ea57bac038d2aacf7f0669428f77db909b1d5c0f154a37c4bdcdc456077e3a9a3ce94

Download Submit
memory/912-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/4392-10-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads