gh0strat | af68c5b83a43fa14b03e16e39f721508a2cab845769a51e3705a6352705d1af8

General

Target

af68c5b83a43fa14b03e16e39f721508a2cab845769a51e3705a6352705d1af8.exe
Size

6.3MB
MD5

95018f823dbdd942e5f27d272dd10f95
SHA1

f03fe7616134bfba186b124d18c0168075d3642b
SHA256

af68c5b83a43fa14b03e16e39f721508a2cab845769a51e3705a6352705d1af8
SHA512

e14bebaec64dfea1c34908e53fe1c6265bcbd96b5d9ec8eef8124463628e21e94895e03a327a19941a6d45e2f4868d0bce1605b491f64ac5e9e9001ffcff4c38
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNxI:QHPkVOBTKK

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 3 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/2992-1-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/4996-11-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/3516-18-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/2992-1-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/4996-11-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/3516-18-0x0000000010000000-0x000000001019F000-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
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

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\drivers\QAssist.sys	ÓãÃÅ.kx

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"	ÓãÃÅ.kx

Executes dropped EXE 2 IoCs

pid	Process
4996	ÓãÃÅ.kx
3516	ÓãÃÅ.kx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ÓãÃÅ.kx	af68c5b83a43fa14b03e16e39f721508a2cab845769a51e3705a6352705d1af8.exe
File opened for modification	C:\Windows\SysWOW64\ÓãÃÅ.kx	af68c5b83a43fa14b03e16e39f721508a2cab845769a51e3705a6352705d1af8.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	ÓãÃÅ.kx
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	af68c5b83a43fa14b03e16e39f721508a2cab845769a51e3705a6352705d1af8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ÓãÃÅ.kx
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2376	cmd.exe
2004	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2004	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3516	ÓãÃÅ.kx

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2992	af68c5b83a43fa14b03e16e39f721508a2cab845769a51e3705a6352705d1af8.exe
Token: SeLoadDriverPrivilege	3516	ÓãÃÅ.kx
Token: 33	3516	ÓãÃÅ.kx
Token: SeIncBasePriorityPrivilege	3516	ÓãÃÅ.kx
Token: 33	3516	ÓãÃÅ.kx
Token: SeIncBasePriorityPrivilege	3516	ÓãÃÅ.kx

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4996 wrote to memory of 3516	4996	ÓãÃÅ.kx	84
PID 4996 wrote to memory of 3516	4996	ÓãÃÅ.kx	84
PID 4996 wrote to memory of 3516	4996	ÓãÃÅ.kx	84
PID 2992 wrote to memory of 2376	2992	af68c5b83a43fa14b03e16e39f721508a2cab845769a51e3705a6352705d1af8.exe	85
PID 2992 wrote to memory of 2376	2992	af68c5b83a43fa14b03e16e39f721508a2cab845769a51e3705a6352705d1af8.exe	85
PID 2992 wrote to memory of 2376	2992	af68c5b83a43fa14b03e16e39f721508a2cab845769a51e3705a6352705d1af8.exe	85
PID 2376 wrote to memory of 2004	2376	cmd.exe	87
PID 2376 wrote to memory of 2004	2376	cmd.exe	87
PID 2376 wrote to memory of 2004	2376	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\af68c5b83a43fa14b03e16e39f721508a2cab845769a51e3705a6352705d1af8.exe
"C:\Users\Admin\AppData\Local\Temp\af68c5b83a43fa14b03e16e39f721508a2cab845769a51e3705a6352705d1af8.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2992
- 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\AF68C5~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2376
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 2 127.0.0.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2004

C:\Windows\SysWOW64\ÓãÃÅ.kx
C:\Windows\SysWOW64\ÓãÃÅ.kx -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4996
- C:\Windows\SysWOW64\ÓãÃÅ.kx
  C:\Windows\SysWOW64\ÓãÃÅ.kx -acsi
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:3516

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\ÓãÃÅ.kx

Filesize
6.3MB

MD5
95018f823dbdd942e5f27d272dd10f95

SHA1
f03fe7616134bfba186b124d18c0168075d3642b

SHA256
af68c5b83a43fa14b03e16e39f721508a2cab845769a51e3705a6352705d1af8

SHA512
e14bebaec64dfea1c34908e53fe1c6265bcbd96b5d9ec8eef8124463628e21e94895e03a327a19941a6d45e2f4868d0bce1605b491f64ac5e9e9001ffcff4c38

Download Submit
memory/2992-1-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/3516-18-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/4996-11-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads