gh0strat | 03d81ffc04a5f24fed5d4b55ebe1da43fa3430a88a38e8bcb59301f71e2da32e

General

Target

03d81ffc04a5f24fed5d4b55ebe1da43fa3430a88a38e8bcb59301f71e2da32e.exe
Size

1.3MB
MD5

6ae40df990d3400ee6081ac74f022803
SHA1

95c9d7df9dc5c2c134c45de7da81894c2b043f67
SHA256

03d81ffc04a5f24fed5d4b55ebe1da43fa3430a88a38e8bcb59301f71e2da32e
SHA512

b6fadf0a478707847aff75784a817fc46e17b6b8951336ffe0a2b9a3372a90b3ac7b92eb3ff688a51901cb82ca22a771808226d76f9d3fed61900cef3ed23709
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMN6:QHPkVOBTK

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/1624-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral1/memory/2424-18-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/1624-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral1/memory/2424-18-0x0000000010000000-0x000000001019F000-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	Gwogw.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"	Gwogw.exe

Deletes itself 1 IoCs

pid	Process
2640	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2452	Gwogw.exe
2424	Gwogw.exe

Loads dropped DLL 1 IoCs

pid	Process
2452	Gwogw.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Gwogw.exe	03d81ffc04a5f24fed5d4b55ebe1da43fa3430a88a38e8bcb59301f71e2da32e.exe
File opened for modification	C:\Windows\SysWOW64\Gwogw.exe	03d81ffc04a5f24fed5d4b55ebe1da43fa3430a88a38e8bcb59301f71e2da32e.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	03d81ffc04a5f24fed5d4b55ebe1da43fa3430a88a38e8bcb59301f71e2da32e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Gwogw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Gwogw.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
2640	cmd.exe
1976	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1976	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2424	Gwogw.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1624	03d81ffc04a5f24fed5d4b55ebe1da43fa3430a88a38e8bcb59301f71e2da32e.exe
Token: SeLoadDriverPrivilege	2424	Gwogw.exe
Token: 33	2424	Gwogw.exe
Token: SeIncBasePriorityPrivilege	2424	Gwogw.exe
Token: 33	2424	Gwogw.exe
Token: SeIncBasePriorityPrivilege	2424	Gwogw.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 2640	1624	03d81ffc04a5f24fed5d4b55ebe1da43fa3430a88a38e8bcb59301f71e2da32e.exe	32
PID 1624 wrote to memory of 2640	1624	03d81ffc04a5f24fed5d4b55ebe1da43fa3430a88a38e8bcb59301f71e2da32e.exe	32
PID 1624 wrote to memory of 2640	1624	03d81ffc04a5f24fed5d4b55ebe1da43fa3430a88a38e8bcb59301f71e2da32e.exe	32
PID 1624 wrote to memory of 2640	1624	03d81ffc04a5f24fed5d4b55ebe1da43fa3430a88a38e8bcb59301f71e2da32e.exe	32
PID 2452 wrote to memory of 2424	2452	Gwogw.exe	33
PID 2452 wrote to memory of 2424	2452	Gwogw.exe	33
PID 2452 wrote to memory of 2424	2452	Gwogw.exe	33
PID 2452 wrote to memory of 2424	2452	Gwogw.exe	33
PID 2640 wrote to memory of 1976	2640	cmd.exe	35
PID 2640 wrote to memory of 1976	2640	cmd.exe	35
PID 2640 wrote to memory of 1976	2640	cmd.exe	35
PID 2640 wrote to memory of 1976	2640	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\03d81ffc04a5f24fed5d4b55ebe1da43fa3430a88a38e8bcb59301f71e2da32e.exe
"C:\Users\Admin\AppData\Local\Temp\03d81ffc04a5f24fed5d4b55ebe1da43fa3430a88a38e8bcb59301f71e2da32e.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1624
- 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\03D81F~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2640
- - 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:1976

C:\Windows\SysWOW64\Gwogw.exe
C:\Windows\SysWOW64\Gwogw.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Windows\SysWOW64\Gwogw.exe
  C:\Windows\SysWOW64\Gwogw.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:2424

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\Gwogw.exe

Filesize
1.3MB

MD5
6ae40df990d3400ee6081ac74f022803

SHA1
95c9d7df9dc5c2c134c45de7da81894c2b043f67

SHA256
03d81ffc04a5f24fed5d4b55ebe1da43fa3430a88a38e8bcb59301f71e2da32e

SHA512
b6fadf0a478707847aff75784a817fc46e17b6b8951336ffe0a2b9a3372a90b3ac7b92eb3ff688a51901cb82ca22a771808226d76f9d3fed61900cef3ed23709

Download Submit
memory/1624-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/2424-18-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads