gh0strat | fdbe037a0b9c236d196552d503e7267ff8b7b704d4d0b05bc1928439986db1cb

General

Target

fdbe037a0b9c236d196552d503e7267ff8b7b704d4d0b05bc1928439986db1cb.exe
Size

1.3MB
MD5

a6dfa4843f320c6fe7a152a2451648f7
SHA1

aa36afef02d3aab8f47a4a99990bc2d78d693b39
SHA256

fdbe037a0b9c236d196552d503e7267ff8b7b704d4d0b05bc1928439986db1cb
SHA512

9b5587b261762143901c7dd12d80b5d54f478a9350cd68e3b444c34da5f187d8eec4d3a0286cd2be02db2177abda7fc9b0c01d74fccbfcf02dc2a9c03a46e70c
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMN7:QHPkVOBTK

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 3 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/960-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/380-11-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/3908-18-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/960-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/380-11-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/3908-18-0x0000000010000000-0x000000001019F000-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

description	ioc	Process
File created	C:\Windows\system32\drivers\QAssist.sys	Stumn.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

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

Executes dropped EXE 2 IoCs

pid	Process
380	Stumn.exe
3908	Stumn.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Stumn.exe	fdbe037a0b9c236d196552d503e7267ff8b7b704d4d0b05bc1928439986db1cb.exe
File opened for modification	C:\Windows\SysWOW64\Stumn.exe	fdbe037a0b9c236d196552d503e7267ff8b7b704d4d0b05bc1928439986db1cb.exe

Modifies data under HKEY_USERS 3 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	Stumn.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	Stumn.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	Stumn.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
964	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3908	Stumn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	960	fdbe037a0b9c236d196552d503e7267ff8b7b704d4d0b05bc1928439986db1cb.exe
Token: SeLoadDriverPrivilege	3908	Stumn.exe
Token: 33	3908	Stumn.exe
Token: SeIncBasePriorityPrivilege	3908	Stumn.exe
Token: 33	3908	Stumn.exe
Token: SeIncBasePriorityPrivilege	3908	Stumn.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 960 wrote to memory of 2012	960	fdbe037a0b9c236d196552d503e7267ff8b7b704d4d0b05bc1928439986db1cb.exe	25
PID 960 wrote to memory of 2012	960	fdbe037a0b9c236d196552d503e7267ff8b7b704d4d0b05bc1928439986db1cb.exe	25
PID 960 wrote to memory of 2012	960	fdbe037a0b9c236d196552d503e7267ff8b7b704d4d0b05bc1928439986db1cb.exe	25
PID 380 wrote to memory of 3908	380	Stumn.exe	23
PID 380 wrote to memory of 3908	380	Stumn.exe	23
PID 380 wrote to memory of 3908	380	Stumn.exe	23
PID 2012 wrote to memory of 964	2012	cmd.exe	22
PID 2012 wrote to memory of 964	2012	cmd.exe	22
PID 2012 wrote to memory of 964	2012	cmd.exe	22

C:\Users\Admin\AppData\Local\Temp\fdbe037a0b9c236d196552d503e7267ff8b7b704d4d0b05bc1928439986db1cb.exe
"C:\Users\Admin\AppData\Local\Temp\fdbe037a0b9c236d196552d503e7267ff8b7b704d4d0b05bc1928439986db1cb.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:960
- 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\FDBE03~1.EXE > nul
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2012

C:\Windows\SysWOW64\Stumn.exe
C:\Windows\SysWOW64\Stumn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:380
- C:\Windows\SysWOW64\Stumn.exe
  C:\Windows\SysWOW64\Stumn.exe -acsi
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - Modifies data under HKEY_USERS
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:3908

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
1⤵
- Runs ping.exe
PID:964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Command and Control

Exfiltration

Impact

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Downloads

memory/380-11-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/960-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/3908-18-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads