gh0strat | dfc10ebfd43d002af91478772c81c56a621752002b10557c359ea66ac02ee5a2

General

Target

dfc10ebfd43d002af91478772c81c56a621752002b10557c359ea66ac02ee5a2.exe
Size

1.3MB
MD5

e4f6636c601fe2ddfe4b95f480838ef2
SHA1

a62846e4c71802b617826a9ef7a9e18170ab123b
SHA256

dfc10ebfd43d002af91478772c81c56a621752002b10557c359ea66ac02ee5a2
SHA512

1179d7e557736ebc8f93e3f2fde97b60da6c9f8626861352fbcdb4e5f39b1bdfb59f9f33d6ca8aa38c632a206d1098adea0c390dabca1791564e06b9f27f22ab
SSDEEP

24576:NOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNX9:AHPkVOBTKt

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/236-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral1/memory/2276-18-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/236-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral1/memory/2276-18-0x0000000010000000-0x000000001019F000-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	Ghxya.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"	Ghxya.exe

Deletes itself 1 IoCs

pid	Process
2872	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
1716	Ghxya.exe
2276	Ghxya.exe

Loads dropped DLL 1 IoCs

pid	Process
1716	Ghxya.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Ghxya.exe	dfc10ebfd43d002af91478772c81c56a621752002b10557c359ea66ac02ee5a2.exe
File opened for modification	C:\Windows\SysWOW64\Ghxya.exe	dfc10ebfd43d002af91478772c81c56a621752002b10557c359ea66ac02ee5a2.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	dfc10ebfd43d002af91478772c81c56a621752002b10557c359ea66ac02ee5a2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ghxya.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ghxya.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
2872	cmd.exe
2804	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2804	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2276	Ghxya.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	236	dfc10ebfd43d002af91478772c81c56a621752002b10557c359ea66ac02ee5a2.exe
Token: SeLoadDriverPrivilege	2276	Ghxya.exe
Token: 33	2276	Ghxya.exe
Token: SeIncBasePriorityPrivilege	2276	Ghxya.exe
Token: 33	2276	Ghxya.exe
Token: SeIncBasePriorityPrivilege	2276	Ghxya.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 236 wrote to memory of 2872	236	dfc10ebfd43d002af91478772c81c56a621752002b10557c359ea66ac02ee5a2.exe	31
PID 236 wrote to memory of 2872	236	dfc10ebfd43d002af91478772c81c56a621752002b10557c359ea66ac02ee5a2.exe	31
PID 236 wrote to memory of 2872	236	dfc10ebfd43d002af91478772c81c56a621752002b10557c359ea66ac02ee5a2.exe	31
PID 236 wrote to memory of 2872	236	dfc10ebfd43d002af91478772c81c56a621752002b10557c359ea66ac02ee5a2.exe	31
PID 1716 wrote to memory of 2276	1716	Ghxya.exe	32
PID 1716 wrote to memory of 2276	1716	Ghxya.exe	32
PID 1716 wrote to memory of 2276	1716	Ghxya.exe	32
PID 1716 wrote to memory of 2276	1716	Ghxya.exe	32
PID 2872 wrote to memory of 2804	2872	cmd.exe	34
PID 2872 wrote to memory of 2804	2872	cmd.exe	34
PID 2872 wrote to memory of 2804	2872	cmd.exe	34
PID 2872 wrote to memory of 2804	2872	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\dfc10ebfd43d002af91478772c81c56a621752002b10557c359ea66ac02ee5a2.exe
"C:\Users\Admin\AppData\Local\Temp\dfc10ebfd43d002af91478772c81c56a621752002b10557c359ea66ac02ee5a2.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:236
- 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\DFC10E~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2872
- - 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:2804

C:\Windows\SysWOW64\Ghxya.exe
C:\Windows\SysWOW64\Ghxya.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Windows\SysWOW64\Ghxya.exe
  C:\Windows\SysWOW64\Ghxya.exe -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:2276

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\Ghxya.exe

Filesize
1.3MB

MD5
e4f6636c601fe2ddfe4b95f480838ef2

SHA1
a62846e4c71802b617826a9ef7a9e18170ab123b

SHA256
dfc10ebfd43d002af91478772c81c56a621752002b10557c359ea66ac02ee5a2

SHA512
1179d7e557736ebc8f93e3f2fde97b60da6c9f8626861352fbcdb4e5f39b1bdfb59f9f33d6ca8aa38c632a206d1098adea0c390dabca1791564e06b9f27f22ab

Download Submit
memory/236-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/2276-18-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads