gh0strat | 01a4038b7adf373f977e42a2c08656bc3d6972c1701fcd69de4b2f5da777a682

General

Target

01a4038b7adf373f977e42a2c08656bc3d6972c1701fcd69de4b2f5da777a682.exe
Size

3.3MB
MD5

10cdc91e209abfc8e0e397301433de2c
SHA1

177aae26c56010a2cc49505fdc03a1c55b88a041
SHA256

01a4038b7adf373f977e42a2c08656bc3d6972c1701fcd69de4b2f5da777a682
SHA512

56050aac081d00120f9948a5c47fbaf119148bd087c6be336fccb493caa2aec59f84aa2baa308e931e8ec24b1f693388a03be3b9cc9636824afa59884edd41c0
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNMI:QHPkVOBTKT

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/2036-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral1/memory/2968-19-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/2036-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral1/memory/2968-19-0x0000000010000000-0x000000001019F000-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	win.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"	win.exe

Deletes itself 1 IoCs

pid	Process
1652	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
1664	win.exe
2968	win.exe

Loads dropped DLL 1 IoCs

pid	Process
1664	win.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\win.exe	01a4038b7adf373f977e42a2c08656bc3d6972c1701fcd69de4b2f5da777a682.exe
File opened for modification	C:\Windows\SysWOW64\win.exe	01a4038b7adf373f977e42a2c08656bc3d6972c1701fcd69de4b2f5da777a682.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	01a4038b7adf373f977e42a2c08656bc3d6972c1701fcd69de4b2f5da777a682.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	win.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	win.exe
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
1652	cmd.exe
2232	PING.EXE

Modifies data under HKEY_USERS 4 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	win.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	win.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	win.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	win.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2232	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2968	win.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2036	01a4038b7adf373f977e42a2c08656bc3d6972c1701fcd69de4b2f5da777a682.exe
Token: SeLoadDriverPrivilege	2968	win.exe
Token: 33	2968	win.exe
Token: SeIncBasePriorityPrivilege	2968	win.exe
Token: 33	2968	win.exe
Token: SeIncBasePriorityPrivilege	2968	win.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 1652	2036	01a4038b7adf373f977e42a2c08656bc3d6972c1701fcd69de4b2f5da777a682.exe	29
PID 2036 wrote to memory of 1652	2036	01a4038b7adf373f977e42a2c08656bc3d6972c1701fcd69de4b2f5da777a682.exe	29
PID 2036 wrote to memory of 1652	2036	01a4038b7adf373f977e42a2c08656bc3d6972c1701fcd69de4b2f5da777a682.exe	29
PID 2036 wrote to memory of 1652	2036	01a4038b7adf373f977e42a2c08656bc3d6972c1701fcd69de4b2f5da777a682.exe	29
PID 1664 wrote to memory of 2968	1664	win.exe	31
PID 1664 wrote to memory of 2968	1664	win.exe	31
PID 1664 wrote to memory of 2968	1664	win.exe	31
PID 1664 wrote to memory of 2968	1664	win.exe	31
PID 1652 wrote to memory of 2232	1652	cmd.exe	32
PID 1652 wrote to memory of 2232	1652	cmd.exe	32
PID 1652 wrote to memory of 2232	1652	cmd.exe	32
PID 1652 wrote to memory of 2232	1652	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\01a4038b7adf373f977e42a2c08656bc3d6972c1701fcd69de4b2f5da777a682.exe
"C:\Users\Admin\AppData\Local\Temp\01a4038b7adf373f977e42a2c08656bc3d6972c1701fcd69de4b2f5da777a682.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2036
- 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\01A403~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1652
- - 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:2232

C:\Windows\SysWOW64\win.exe
C:\Windows\SysWOW64\win.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1664
- C:\Windows\SysWOW64\win.exe
  C:\Windows\SysWOW64\win.exe -acsi
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:2968

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\win.exe

Filesize
3.3MB

MD5
10cdc91e209abfc8e0e397301433de2c

SHA1
177aae26c56010a2cc49505fdc03a1c55b88a041

SHA256
01a4038b7adf373f977e42a2c08656bc3d6972c1701fcd69de4b2f5da777a682

SHA512
56050aac081d00120f9948a5c47fbaf119148bd087c6be336fccb493caa2aec59f84aa2baa308e931e8ec24b1f693388a03be3b9cc9636824afa59884edd41c0

Download Submit
memory/2036-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/2968-19-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads