gh0strat | 3093cf90addca7bbefe5eee024ca75f149a16d892873a20a2ff4052d9c693647

General

Target

3093cf90addca7bbefe5eee024ca75f149a16d892873a20a2ff4052d9c693647.exe
Size

1.3MB
MD5

8ddb43200545067aa88371131269f9dd
SHA1

00d2e629017dd3d568a6b7e266a8976ba14a60ab
SHA256

3093cf90addca7bbefe5eee024ca75f149a16d892873a20a2ff4052d9c693647
SHA512

68d78af9545eee487daf1f990084aa7dda7eac425b675ae35735a2cd4b6e37ec044f7f1ea63850f5e4eeb5103119d962144fe1b1a708787605b7f379fecd5134
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNC:QHPkVOBTK

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 1 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/1736-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/1736-0-0x0000000010000000-0x000000001019F000-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	WPS.png

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"	WPS.png

Deletes itself 1 IoCs

pid	Process
2632	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
400	WPS.png
1028	WPS.png

Loads dropped DLL 1 IoCs

pid	Process
400	WPS.png

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\AppPatch\WPS.png	3093cf90addca7bbefe5eee024ca75f149a16d892873a20a2ff4052d9c693647.exe
File opened for modification	C:\Program Files (x86)\AppPatch\WPS.png	3093cf90addca7bbefe5eee024ca75f149a16d892873a20a2ff4052d9c693647.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	3093cf90addca7bbefe5eee024ca75f149a16d892873a20a2ff4052d9c693647.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WPS.png
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WPS.png
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
2632	cmd.exe
2152	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2152	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1028	WPS.png

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1736	3093cf90addca7bbefe5eee024ca75f149a16d892873a20a2ff4052d9c693647.exe
Token: SeLoadDriverPrivilege	1028	WPS.png
Token: 33	1028	WPS.png
Token: SeIncBasePriorityPrivilege	1028	WPS.png
Token: 33	1028	WPS.png
Token: SeIncBasePriorityPrivilege	1028	WPS.png

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 2632	1736	3093cf90addca7bbefe5eee024ca75f149a16d892873a20a2ff4052d9c693647.exe	32
PID 1736 wrote to memory of 2632	1736	3093cf90addca7bbefe5eee024ca75f149a16d892873a20a2ff4052d9c693647.exe	32
PID 1736 wrote to memory of 2632	1736	3093cf90addca7bbefe5eee024ca75f149a16d892873a20a2ff4052d9c693647.exe	32
PID 1736 wrote to memory of 2632	1736	3093cf90addca7bbefe5eee024ca75f149a16d892873a20a2ff4052d9c693647.exe	32
PID 400 wrote to memory of 1028	400	WPS.png	33
PID 400 wrote to memory of 1028	400	WPS.png	33
PID 400 wrote to memory of 1028	400	WPS.png	33
PID 400 wrote to memory of 1028	400	WPS.png	33
PID 2632 wrote to memory of 2152	2632	cmd.exe	35
PID 2632 wrote to memory of 2152	2632	cmd.exe	35
PID 2632 wrote to memory of 2152	2632	cmd.exe	35
PID 2632 wrote to memory of 2152	2632	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\3093cf90addca7bbefe5eee024ca75f149a16d892873a20a2ff4052d9c693647.exe
"C:\Users\Admin\AppData\Local\Temp\3093cf90addca7bbefe5eee024ca75f149a16d892873a20a2ff4052d9c693647.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1736
- 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\3093CF~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2632
- - 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:2152

C:\Program Files (x86)\AppPatch\WPS.png
"C:\Program Files (x86)\AppPatch\WPS.png" -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:400
- C:\Program Files (x86)\AppPatch\WPS.png
  "C:\Program Files (x86)\AppPatch\WPS.png" -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:1028

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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C:\Program Files (x86)\AppPatch\WPS.png

Filesize
6.3MB

MD5
b7526ff8350283086169d48ac7db333d

SHA1
1518bbd2dfdcfa2f31eaee2b1946edb7be586dc9

SHA256
d00360fe336dd3d907664bb0aad7731c297b57383c24c57c00afb5769064b773

SHA512
0b86f5bf972641acbd966426d71570d9fcf45bea861a7539b211843542f2b2c1178556cb39c85ec2ba2e89b02f05696fa714bb5a82361a0a84eadf71116f5f76

Download Submit
memory/1736-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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