gh0strat | 3eac42cd336d7f2d8d22c78aebb1e09e291749ed682a9211a15377299a01906a

General

Target

3eac42cd336d7f2d8d22c78aebb1e09e291749ed682a9211a15377299a01906a.exe
Size

1.3MB
MD5

8d22759228d67a6072ce679bbe91e9eb
SHA1

a9b88a6cadc9d046c4b63affb6991451117a8769
SHA256

3eac42cd336d7f2d8d22c78aebb1e09e291749ed682a9211a15377299a01906a
SHA512

10aca29e43778b3a29a911265ae0e19ac361de46c8b9381c40be76fbf309f739ada9f304acd863be7ba7c7c742647a56ab6f2266ed920125353c3e4f4a7c3715
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNH:QHPkVOBTK

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 2 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/1668-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral1/memory/2240-19-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1668-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral1/memory/2240-19-0x0000000010000000-0x000000001019F000-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

Processes:

Ghxyq.exe

description	ioc	Process
File created	C:\Windows\system32\drivers\QAssist.sys	Ghxyq.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Ghxyq.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	Ghxyq.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid	Process
2920	cmd.exe

Executes dropped EXE 2 IoCs

Processes:

Ghxyq.exeGhxyq.exe

pid	Process
2792	Ghxyq.exe
2240	Ghxyq.exe

Loads dropped DLL 1 IoCs

Processes:

Ghxyq.exe

pid	Process
2792	Ghxyq.exe

Drops file in System32 directory 2 IoCs

Processes:

3eac42cd336d7f2d8d22c78aebb1e09e291749ed682a9211a15377299a01906a.exe

description	ioc	Process
File created	C:\Windows\SysWOW64\Ghxyq.exe	3eac42cd336d7f2d8d22c78aebb1e09e291749ed682a9211a15377299a01906a.exe
File opened for modification	C:\Windows\SysWOW64\Ghxyq.exe	3eac42cd336d7f2d8d22c78aebb1e09e291749ed682a9211a15377299a01906a.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

Processes:

3eac42cd336d7f2d8d22c78aebb1e09e291749ed682a9211a15377299a01906a.exeGhxyq.exeGhxyq.execmd.exePING.EXE

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3eac42cd336d7f2d8d22c78aebb1e09e291749ed682a9211a15377299a01906a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ghxyq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ghxyq.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

Processes:

cmd.exePING.EXE

pid	Process
2920	cmd.exe
2548	PING.EXE

Modifies data under HKEY_USERS 4 IoCs

Processes:

Ghxyq.exe

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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
2548	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

Ghxyq.exe

pid	Process
2240	Ghxyq.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

3eac42cd336d7f2d8d22c78aebb1e09e291749ed682a9211a15377299a01906a.exeGhxyq.exe

description	pid	Process
Token: SeIncBasePriorityPrivilege	1668	3eac42cd336d7f2d8d22c78aebb1e09e291749ed682a9211a15377299a01906a.exe
Token: SeLoadDriverPrivilege	2240	Ghxyq.exe
Token: 33	2240	Ghxyq.exe
Token: SeIncBasePriorityPrivilege	2240	Ghxyq.exe
Token: 33	2240	Ghxyq.exe
Token: SeIncBasePriorityPrivilege	2240	Ghxyq.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

3eac42cd336d7f2d8d22c78aebb1e09e291749ed682a9211a15377299a01906a.exeGhxyq.execmd.exe

description	pid	Process	procid_target
PID 1668 wrote to memory of 2920	1668	3eac42cd336d7f2d8d22c78aebb1e09e291749ed682a9211a15377299a01906a.exe	32
PID 1668 wrote to memory of 2920	1668	3eac42cd336d7f2d8d22c78aebb1e09e291749ed682a9211a15377299a01906a.exe	32
PID 1668 wrote to memory of 2920	1668	3eac42cd336d7f2d8d22c78aebb1e09e291749ed682a9211a15377299a01906a.exe	32
PID 1668 wrote to memory of 2920	1668	3eac42cd336d7f2d8d22c78aebb1e09e291749ed682a9211a15377299a01906a.exe	32
PID 2792 wrote to memory of 2240	2792	Ghxyq.exe	33
PID 2792 wrote to memory of 2240	2792	Ghxyq.exe	33
PID 2792 wrote to memory of 2240	2792	Ghxyq.exe	33
PID 2792 wrote to memory of 2240	2792	Ghxyq.exe	33
PID 2920 wrote to memory of 2548	2920	cmd.exe	35
PID 2920 wrote to memory of 2548	2920	cmd.exe	35
PID 2920 wrote to memory of 2548	2920	cmd.exe	35
PID 2920 wrote to memory of 2548	2920	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\3eac42cd336d7f2d8d22c78aebb1e09e291749ed682a9211a15377299a01906a.exe
"C:\Users\Admin\AppData\Local\Temp\3eac42cd336d7f2d8d22c78aebb1e09e291749ed682a9211a15377299a01906a.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1668
- 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\3EAC42~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2920
- - 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:2548

C:\Windows\SysWOW64\Ghxyq.exe
C:\Windows\SysWOW64\Ghxyq.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Windows\SysWOW64\Ghxyq.exe
  C:\Windows\SysWOW64\Ghxyq.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:2240

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\Ghxyq.exe

Filesize
3.3MB

MD5
7251053efb953f5d03a9656221ad93d6

SHA1
f85198860ed6f191ed19e46419788f3a99b6abf3

SHA256
e136b292ab186f6de01c76b88d943c9b1bff203ebec6a6e0d6a43895b7c8d84a

SHA512
bad8fd61b598671c6caaeab77a97ba8f22e99d7fe12ca8cb6c585ad4e560eb1eae680286cd765fbdac6b963cd874735b2e7f0090c3e6320537596d37008926a3

Download Submit
memory/1668-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/2240-19-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads