gh0strat | 239b950b58f92539d632689453cd37a38506be0a51778f4decd2377c050a0b82

General

Target

239b950b58f92539d632689453cd37a38506be0a51778f4decd2377c050a0b82.exe
Size

1.7MB
MD5

b88618da47199a491035253366fe0d18
SHA1

1dd4a6778874d3bb35b0726cffdbb9f3006c3b74
SHA256

239b950b58f92539d632689453cd37a38506be0a51778f4decd2377c050a0b82
SHA512

56abd967efd42cce55983263b130dd5b4cb9cc19eb31ede20d858da81cc85e572f5275974c6043f7fa1ea3b2b406e848456949d0485f27d78403b48ba4b86913
SSDEEP

24576:uM8wcsjBocoT3cgEeqroaV3NSPDo7gKVbZETckLZzzb78QnDP:LSbfMhywSZ7N

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 2 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/1528-10-0x0000000010000000-0x000000001019E000-memory.dmp	purplefox_rootkit
behavioral1/memory/1288-0-0x0000000010000000-0x000000001019E000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/1528-10-0x0000000010000000-0x000000001019E000-memory.dmp	family_gh0strat
behavioral1/memory/1288-0-0x0000000010000000-0x000000001019E000-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	Phxph.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"	Phxph.exe

Deletes itself 1 IoCs

pid	Process
3048	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1528	Phxph.exe

Loads dropped DLL 1 IoCs

pid	Process
1288	239b950b58f92539d632689453cd37a38506be0a51778f4decd2377c050a0b82.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\E:	Phxph.exe
File opened (read-only)	\??\H:	Phxph.exe
File opened (read-only)	\??\J:	Phxph.exe
File opened (read-only)	\??\M:	Phxph.exe
File opened (read-only)	\??\X:	Phxph.exe
File opened (read-only)	\??\I:	Phxph.exe
File opened (read-only)	\??\K:	Phxph.exe
File opened (read-only)	\??\P:	Phxph.exe
File opened (read-only)	\??\Q:	Phxph.exe
File opened (read-only)	\??\T:	Phxph.exe
File opened (read-only)	\??\U:	Phxph.exe
File opened (read-only)	\??\G:	Phxph.exe
File opened (read-only)	\??\L:	Phxph.exe
File opened (read-only)	\??\O:	Phxph.exe
File opened (read-only)	\??\Y:	Phxph.exe
File opened (read-only)	\??\Z:	Phxph.exe
File opened (read-only)	\??\B:	Phxph.exe
File opened (read-only)	\??\N:	Phxph.exe
File opened (read-only)	\??\R:	Phxph.exe
File opened (read-only)	\??\S:	Phxph.exe
File opened (read-only)	\??\V:	Phxph.exe
File opened (read-only)	\??\W:	Phxph.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	239b950b58f92539d632689453cd37a38506be0a51778f4decd2377c050a0b82.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Phxph.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
2712	PING.EXE
3048	cmd.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Phxph.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	Phxph.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2712	PING.EXE

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
1528	Phxph.exe
1528	Phxph.exe
1528	Phxph.exe
1528	Phxph.exe
1528	Phxph.exe
1528	Phxph.exe
1528	Phxph.exe
1528	Phxph.exe
1528	Phxph.exe
1528	Phxph.exe
1528	Phxph.exe
1528	Phxph.exe
1528	Phxph.exe
1528	Phxph.exe
1528	Phxph.exe
1528	Phxph.exe
1528	Phxph.exe
1528	Phxph.exe
1528	Phxph.exe
1528	Phxph.exe
1528	Phxph.exe
1528	Phxph.exe
1528	Phxph.exe
1528	Phxph.exe
1528	Phxph.exe
1528	Phxph.exe
1528	Phxph.exe
1528	Phxph.exe
1528	Phxph.exe
1528	Phxph.exe
1528	Phxph.exe
1528	Phxph.exe
1528	Phxph.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1528	Phxph.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1288	239b950b58f92539d632689453cd37a38506be0a51778f4decd2377c050a0b82.exe
Token: SeLoadDriverPrivilege	1528	Phxph.exe
Token: 33	1528	Phxph.exe
Token: SeIncBasePriorityPrivilege	1528	Phxph.exe
Token: 33	1528	Phxph.exe
Token: SeIncBasePriorityPrivilege	1528	Phxph.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1288 wrote to memory of 1528	1288	239b950b58f92539d632689453cd37a38506be0a51778f4decd2377c050a0b82.exe	30
PID 1288 wrote to memory of 1528	1288	239b950b58f92539d632689453cd37a38506be0a51778f4decd2377c050a0b82.exe	30
PID 1288 wrote to memory of 1528	1288	239b950b58f92539d632689453cd37a38506be0a51778f4decd2377c050a0b82.exe	30
PID 1288 wrote to memory of 1528	1288	239b950b58f92539d632689453cd37a38506be0a51778f4decd2377c050a0b82.exe	30
PID 1288 wrote to memory of 3048	1288	239b950b58f92539d632689453cd37a38506be0a51778f4decd2377c050a0b82.exe	31
PID 1288 wrote to memory of 3048	1288	239b950b58f92539d632689453cd37a38506be0a51778f4decd2377c050a0b82.exe	31
PID 1288 wrote to memory of 3048	1288	239b950b58f92539d632689453cd37a38506be0a51778f4decd2377c050a0b82.exe	31
PID 1288 wrote to memory of 3048	1288	239b950b58f92539d632689453cd37a38506be0a51778f4decd2377c050a0b82.exe	31
PID 3048 wrote to memory of 2712	3048	cmd.exe	33
PID 3048 wrote to memory of 2712	3048	cmd.exe	33
PID 3048 wrote to memory of 2712	3048	cmd.exe	33
PID 3048 wrote to memory of 2712	3048	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\239b950b58f92539d632689453cd37a38506be0a51778f4decd2377c050a0b82.exe
"C:\Users\Admin\AppData\Local\Temp\239b950b58f92539d632689453cd37a38506be0a51778f4decd2377c050a0b82.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1288
- C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phxph.exe
  "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phxph.exe"
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:1528
- 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\239B95~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3048
- - 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:2712

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

Peripheral Device Discovery

Query Registry

Remote System Discovery

1

T1018

System Information Discovery

3

T1082

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:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phxph.exe

Filesize
1.7MB

MD5
b88618da47199a491035253366fe0d18

SHA1
1dd4a6778874d3bb35b0726cffdbb9f3006c3b74

SHA256
239b950b58f92539d632689453cd37a38506be0a51778f4decd2377c050a0b82

SHA512
56abd967efd42cce55983263b130dd5b4cb9cc19eb31ede20d858da81cc85e572f5275974c6043f7fa1ea3b2b406e848456949d0485f27d78403b48ba4b86913

Download Submit
memory/1288-0-0x0000000010000000-0x000000001019E000-memory.dmp

Filesize
1.6MB

Download
memory/1528-10-0x0000000010000000-0x000000001019E000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads