gh0strat | 50f07666922eefb6a46192d7bc6801dd32dd3c52ef14e959d9dec2d4a3a42567

General

Target

50f07666922eefb6a46192d7bc6801dd32dd3c52ef14e959d9dec2d4a3a42567.exe
Size

1.3MB
MD5

93908dac364a625ca3bd411b9cbe54f0
SHA1

2461072107b8291ca618f4f8b0fea8f6c85e1917
SHA256

50f07666922eefb6a46192d7bc6801dd32dd3c52ef14e959d9dec2d4a3a42567
SHA512

34eba417cef65eeba9ef7d3c7f724142b23c45d27046765316760631620134d0f610aded5b2f7bb0fd94351e732d343948a8a6eaa97a9829ba909c0cee8bba1e
SSDEEP

24576:YOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNSiyzwyz:BHPkVOBTK

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 3 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/2992-1-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/4068-10-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/3852-17-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/2992-1-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/4068-10-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/3852-17-0x0000000010000000-0x000000001019F000-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	sainbox.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"	sainbox.exe

Executes dropped EXE 2 IoCs

pid	Process
4068	sainbox.exe
3852	sainbox.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\sainbox.exe	50f07666922eefb6a46192d7bc6801dd32dd3c52ef14e959d9dec2d4a3a42567.exe
File opened for modification	C:\Windows\SysWOW64\sainbox.exe	50f07666922eefb6a46192d7bc6801dd32dd3c52ef14e959d9dec2d4a3a42567.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	sainbox.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	sainbox.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	50f07666922eefb6a46192d7bc6801dd32dd3c52ef14e959d9dec2d4a3a42567.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
4760	cmd.exe
2876	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2876	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3852	sainbox.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2992	50f07666922eefb6a46192d7bc6801dd32dd3c52ef14e959d9dec2d4a3a42567.exe
Token: SeLoadDriverPrivilege	3852	sainbox.exe
Token: 33	3852	sainbox.exe
Token: SeIncBasePriorityPrivilege	3852	sainbox.exe
Token: 33	3852	sainbox.exe
Token: SeIncBasePriorityPrivilege	3852	sainbox.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2992 wrote to memory of 4760	2992	50f07666922eefb6a46192d7bc6801dd32dd3c52ef14e959d9dec2d4a3a42567.exe	86
PID 2992 wrote to memory of 4760	2992	50f07666922eefb6a46192d7bc6801dd32dd3c52ef14e959d9dec2d4a3a42567.exe	86
PID 2992 wrote to memory of 4760	2992	50f07666922eefb6a46192d7bc6801dd32dd3c52ef14e959d9dec2d4a3a42567.exe	86
PID 4068 wrote to memory of 3852	4068	sainbox.exe	87
PID 4068 wrote to memory of 3852	4068	sainbox.exe	87
PID 4068 wrote to memory of 3852	4068	sainbox.exe	87
PID 4760 wrote to memory of 2876	4760	cmd.exe	89
PID 4760 wrote to memory of 2876	4760	cmd.exe	89
PID 4760 wrote to memory of 2876	4760	cmd.exe	89

C:\Users\Admin\AppData\Local\Temp\50f07666922eefb6a46192d7bc6801dd32dd3c52ef14e959d9dec2d4a3a42567.exe
"C:\Users\Admin\AppData\Local\Temp\50f07666922eefb6a46192d7bc6801dd32dd3c52ef14e959d9dec2d4a3a42567.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2992
- 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\50F076~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4760
- - 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:2876

C:\Windows\SysWOW64\sainbox.exe
C:\Windows\SysWOW64\sainbox.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4068
- C:\Windows\SysWOW64\sainbox.exe
  C:\Windows\SysWOW64\sainbox.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:3852

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\sainbox.exe

Filesize
1.3MB

MD5
93908dac364a625ca3bd411b9cbe54f0

SHA1
2461072107b8291ca618f4f8b0fea8f6c85e1917

SHA256
50f07666922eefb6a46192d7bc6801dd32dd3c52ef14e959d9dec2d4a3a42567

SHA512
34eba417cef65eeba9ef7d3c7f724142b23c45d27046765316760631620134d0f610aded5b2f7bb0fd94351e732d343948a8a6eaa97a9829ba909c0cee8bba1e

Download Submit
memory/2992-1-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/3852-17-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/4068-10-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads