gh0strat | 573163d4d59a49b099549641dbc554dbe1ed9688bfcf936e15be9914b7f44705

General

Target

573163d4d59a49b099549641dbc554dbe1ed9688bfcf936e15be9914b7f44705.exe
Size

1.3MB
MD5

2fe8328e55c69c4225fa09f5b5325d4a
SHA1

cd11599f1706f96241726ac459270b0c1fdb69cc
SHA256

573163d4d59a49b099549641dbc554dbe1ed9688bfcf936e15be9914b7f44705
SHA512

d32c49b91ce1058c1a78ce7fc51c0212ca91399ac75241485aa0389d0bee7f8ac75d8662120573ceda0935acd55c85b2c61ccd5f8edd75f26b2c5a9add7320a4
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNx: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/2068-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral1/memory/2780-18-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/2068-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral1/memory/2780-18-0x0000000010000000-0x000000001019F000-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	Aqiyq.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"	Aqiyq.exe

Deletes itself 1 IoCs

pid	Process
2708	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2388	Aqiyq.exe
2780	Aqiyq.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Aqiyq.exe	573163d4d59a49b099549641dbc554dbe1ed9688bfcf936e15be9914b7f44705.exe
File opened for modification	C:\Windows\SysWOW64\Aqiyq.exe	573163d4d59a49b099549641dbc554dbe1ed9688bfcf936e15be9914b7f44705.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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	573163d4d59a49b099549641dbc554dbe1ed9688bfcf936e15be9914b7f44705.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Aqiyq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Aqiyq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
2708	cmd.exe
2740	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\Content\CachePrefix	Aqiyq.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	Aqiyq.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	Aqiyq.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	Aqiyq.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2740	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2780	Aqiyq.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2068	573163d4d59a49b099549641dbc554dbe1ed9688bfcf936e15be9914b7f44705.exe
Token: SeLoadDriverPrivilege	2780	Aqiyq.exe
Token: 33	2780	Aqiyq.exe
Token: SeIncBasePriorityPrivilege	2780	Aqiyq.exe
Token: 33	2780	Aqiyq.exe
Token: SeIncBasePriorityPrivilege	2780	Aqiyq.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 2708	2068	573163d4d59a49b099549641dbc554dbe1ed9688bfcf936e15be9914b7f44705.exe	30
PID 2068 wrote to memory of 2708	2068	573163d4d59a49b099549641dbc554dbe1ed9688bfcf936e15be9914b7f44705.exe	30
PID 2068 wrote to memory of 2708	2068	573163d4d59a49b099549641dbc554dbe1ed9688bfcf936e15be9914b7f44705.exe	30
PID 2068 wrote to memory of 2708	2068	573163d4d59a49b099549641dbc554dbe1ed9688bfcf936e15be9914b7f44705.exe	30
PID 2388 wrote to memory of 2780	2388	Aqiyq.exe	31
PID 2388 wrote to memory of 2780	2388	Aqiyq.exe	31
PID 2388 wrote to memory of 2780	2388	Aqiyq.exe	31
PID 2388 wrote to memory of 2780	2388	Aqiyq.exe	31
PID 2708 wrote to memory of 2740	2708	cmd.exe	33
PID 2708 wrote to memory of 2740	2708	cmd.exe	33
PID 2708 wrote to memory of 2740	2708	cmd.exe	33
PID 2708 wrote to memory of 2740	2708	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\573163d4d59a49b099549641dbc554dbe1ed9688bfcf936e15be9914b7f44705.exe
"C:\Users\Admin\AppData\Local\Temp\573163d4d59a49b099549641dbc554dbe1ed9688bfcf936e15be9914b7f44705.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2068
- 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\573163~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2708
- - 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:2740

C:\Windows\SysWOW64\Aqiyq.exe
C:\Windows\SysWOW64\Aqiyq.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Windows\SysWOW64\Aqiyq.exe
  C:\Windows\SysWOW64\Aqiyq.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:2780

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\Aqiyq.exe

Filesize
1.3MB

MD5
2fe8328e55c69c4225fa09f5b5325d4a

SHA1
cd11599f1706f96241726ac459270b0c1fdb69cc

SHA256
573163d4d59a49b099549641dbc554dbe1ed9688bfcf936e15be9914b7f44705

SHA512
d32c49b91ce1058c1a78ce7fc51c0212ca91399ac75241485aa0389d0bee7f8ac75d8662120573ceda0935acd55c85b2c61ccd5f8edd75f26b2c5a9add7320a4

Download Submit
memory/2068-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/2780-18-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads