gh0strat | 592f02b55edd3f9ad577fc8e1b67234122cef056bddd22fe53fc84d766815717

General

Target

592f02b55edd3f9ad577fc8e1b67234122cef056bddd22fe53fc84d766815717.exe
Size

2.3MB
MD5

6bab21dcba677a1a03b457d101068676
SHA1

5437bda1772c2b31f03c68f47d4c48c40b9c9edf
SHA256

592f02b55edd3f9ad577fc8e1b67234122cef056bddd22fe53fc84d766815717
SHA512

2a3cba4d6cefbbbeea142185eb431e3caf6b6d23680147497b1e3ab339323f2d6c6606b0032f5c8b08de156f4c5664f166b4c8f2cf6b4425003e1f43c5ce952e
SSDEEP

49152:kHPkVOBTKdSZRKdkaaeAN+LYc//////////////////////////////////////X:5O0dGgCaaeTT////////////////////

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/1924-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral1/memory/624-18-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/1924-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral1/memory/624-18-0x0000000010000000-0x000000001019F000-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	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
2076	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
1732	Aqiyq.exe
624	Aqiyq.exe

Loads dropped DLL 1 IoCs

pid	Process
1732	Aqiyq.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Aqiyq.exe	592f02b55edd3f9ad577fc8e1b67234122cef056bddd22fe53fc84d766815717.exe
File opened for modification	C:\Windows\SysWOW64\Aqiyq.exe	592f02b55edd3f9ad577fc8e1b67234122cef056bddd22fe53fc84d766815717.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	Aqiyq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	592f02b55edd3f9ad577fc8e1b67234122cef056bddd22fe53fc84d766815717.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Aqiyq.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
2076	cmd.exe
3060	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3060	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
624	Aqiyq.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1924	592f02b55edd3f9ad577fc8e1b67234122cef056bddd22fe53fc84d766815717.exe
Token: SeLoadDriverPrivilege	624	Aqiyq.exe
Token: 33	624	Aqiyq.exe
Token: SeIncBasePriorityPrivilege	624	Aqiyq.exe
Token: 33	624	Aqiyq.exe
Token: SeIncBasePriorityPrivilege	624	Aqiyq.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 2076	1924	592f02b55edd3f9ad577fc8e1b67234122cef056bddd22fe53fc84d766815717.exe	31
PID 1924 wrote to memory of 2076	1924	592f02b55edd3f9ad577fc8e1b67234122cef056bddd22fe53fc84d766815717.exe	31
PID 1924 wrote to memory of 2076	1924	592f02b55edd3f9ad577fc8e1b67234122cef056bddd22fe53fc84d766815717.exe	31
PID 1924 wrote to memory of 2076	1924	592f02b55edd3f9ad577fc8e1b67234122cef056bddd22fe53fc84d766815717.exe	31
PID 1732 wrote to memory of 624	1732	Aqiyq.exe	33
PID 1732 wrote to memory of 624	1732	Aqiyq.exe	33
PID 1732 wrote to memory of 624	1732	Aqiyq.exe	33
PID 1732 wrote to memory of 624	1732	Aqiyq.exe	33
PID 2076 wrote to memory of 3060	2076	cmd.exe	34
PID 2076 wrote to memory of 3060	2076	cmd.exe	34
PID 2076 wrote to memory of 3060	2076	cmd.exe	34
PID 2076 wrote to memory of 3060	2076	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\592f02b55edd3f9ad577fc8e1b67234122cef056bddd22fe53fc84d766815717.exe
"C:\Users\Admin\AppData\Local\Temp\592f02b55edd3f9ad577fc8e1b67234122cef056bddd22fe53fc84d766815717.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1924
- 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\592F02~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2076
- - 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:3060

C:\Windows\SysWOW64\Aqiyq.exe
C:\Windows\SysWOW64\Aqiyq.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1732
- 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
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:624

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
2.3MB

MD5
6bab21dcba677a1a03b457d101068676

SHA1
5437bda1772c2b31f03c68f47d4c48c40b9c9edf

SHA256
592f02b55edd3f9ad577fc8e1b67234122cef056bddd22fe53fc84d766815717

SHA512
2a3cba4d6cefbbbeea142185eb431e3caf6b6d23680147497b1e3ab339323f2d6c6606b0032f5c8b08de156f4c5664f166b4c8f2cf6b4425003e1f43c5ce952e

Download Submit
memory/624-18-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/1924-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads