gh0strat | a45ea3768fd3f3aeea79eae6fb74ecd374123a48219a6a33867cafa7a50ee9e7

General

Target

a45ea3768fd3f3aeea79eae6fb74ecd374123a48219a6a33867cafa7a50ee9e7.exe
Size

1.3MB
MD5

1a7c25c0cb244a842466947a0012bd16
SHA1

b835154e529e3c1717d5ee65fbb6e858b43b97dc
SHA256

a45ea3768fd3f3aeea79eae6fb74ecd374123a48219a6a33867cafa7a50ee9e7
SHA512

84c59c95c497e554a2fd0b71c376470a292cd29d44f7d716c0d6ff2d7832d831598f75f33451050632cfe9c6a38747bd70791fc61d3c84d885f760e2bd9d1b56
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNJ:QHPkVOBTK

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 2 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2876-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral1/memory/2668-18-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/2876-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral1/memory/2668-18-0x0000000010000000-0x000000001019F000-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	Pqija.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"	Pqija.exe

Deletes itself 1 IoCs

pid	Process
2140	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2648	Pqija.exe
2668	Pqija.exe

Loads dropped DLL 1 IoCs

pid	Process
2648	Pqija.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Pqija.exe	a45ea3768fd3f3aeea79eae6fb74ecd374123a48219a6a33867cafa7a50ee9e7.exe
File opened for modification	C:\Windows\SysWOW64\Pqija.exe	a45ea3768fd3f3aeea79eae6fb74ecd374123a48219a6a33867cafa7a50ee9e7.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2612	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2668	Pqija.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2876	a45ea3768fd3f3aeea79eae6fb74ecd374123a48219a6a33867cafa7a50ee9e7.exe
Token: SeLoadDriverPrivilege	2668	Pqija.exe
Token: 33	2668	Pqija.exe
Token: SeIncBasePriorityPrivilege	2668	Pqija.exe
Token: 33	2668	Pqija.exe
Token: SeIncBasePriorityPrivilege	2668	Pqija.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2876 wrote to memory of 2140	2876	a45ea3768fd3f3aeea79eae6fb74ecd374123a48219a6a33867cafa7a50ee9e7.exe	29
PID 2876 wrote to memory of 2140	2876	a45ea3768fd3f3aeea79eae6fb74ecd374123a48219a6a33867cafa7a50ee9e7.exe	29
PID 2876 wrote to memory of 2140	2876	a45ea3768fd3f3aeea79eae6fb74ecd374123a48219a6a33867cafa7a50ee9e7.exe	29
PID 2876 wrote to memory of 2140	2876	a45ea3768fd3f3aeea79eae6fb74ecd374123a48219a6a33867cafa7a50ee9e7.exe	29
PID 2648 wrote to memory of 2668	2648	Pqija.exe	30
PID 2648 wrote to memory of 2668	2648	Pqija.exe	30
PID 2648 wrote to memory of 2668	2648	Pqija.exe	30
PID 2648 wrote to memory of 2668	2648	Pqija.exe	30
PID 2140 wrote to memory of 2612	2140	cmd.exe	32
PID 2140 wrote to memory of 2612	2140	cmd.exe	32
PID 2140 wrote to memory of 2612	2140	cmd.exe	32
PID 2140 wrote to memory of 2612	2140	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\a45ea3768fd3f3aeea79eae6fb74ecd374123a48219a6a33867cafa7a50ee9e7.exe
"C:\Users\Admin\AppData\Local\Temp\a45ea3768fd3f3aeea79eae6fb74ecd374123a48219a6a33867cafa7a50ee9e7.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2876
- 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\A45EA3~1.EXE > nul
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2140
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 2 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:2612

C:\Windows\SysWOW64\Pqija.exe
C:\Windows\SysWOW64\Pqija.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Windows\SysWOW64\Pqija.exe
  C:\Windows\SysWOW64\Pqija.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:2668

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

C:\Windows\SysWOW64\Pqija.exe

Filesize
1.3MB

MD5
1a7c25c0cb244a842466947a0012bd16

SHA1
b835154e529e3c1717d5ee65fbb6e858b43b97dc

SHA256
a45ea3768fd3f3aeea79eae6fb74ecd374123a48219a6a33867cafa7a50ee9e7

SHA512
84c59c95c497e554a2fd0b71c376470a292cd29d44f7d716c0d6ff2d7832d831598f75f33451050632cfe9c6a38747bd70791fc61d3c84d885f760e2bd9d1b56

Download Submit
memory/2668-18-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/2876-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads