gh0strat | ea1478ec189bfc7aa4f9ae9561a3033b8293396f09f12267d4044b3745e3a8be

General

Target

ea1478ec189bfc7aa4f9ae9561a3033b8293396f09f12267d4044b3745e3a8be.exe
Size

1.3MB
MD5

31966cc62ff4619c28215e8d32235181
SHA1

1759cb93b1548d3074207f6f8657ee78c16f7336
SHA256

ea1478ec189bfc7aa4f9ae9561a3033b8293396f09f12267d4044b3745e3a8be
SHA512

55a07ba0d01811449a486234dd3d1b7ebb4e8bbc108e082a5ddf230532f2f89bd599634cbea50071a8196e711af9a4d2db234998b9b8f312284494b644d8a982
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNn:QHPkVOBTK

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 1 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/2936-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral2/memory/2936-0-0x0000000010000000-0x000000001019F000-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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	ea1478ec189bfc7aa4f9ae9561a3033b8293396f09f12267d4044b3745e3a8be.exe

Executes dropped EXE 1 IoCs

pid	Process
2800	sainbox.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ea1478ec189bfc7aa4f9ae9561a3033b8293396f09f12267d4044b3745e3a8be.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sainbox.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
4524	cmd.exe
3968	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3968	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2800	sainbox.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2936	ea1478ec189bfc7aa4f9ae9561a3033b8293396f09f12267d4044b3745e3a8be.exe
Token: SeLoadDriverPrivilege	2800	sainbox.exe
Token: 33	2800	sainbox.exe
Token: SeIncBasePriorityPrivilege	2800	sainbox.exe
Token: 33	2800	sainbox.exe
Token: SeIncBasePriorityPrivilege	2800	sainbox.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 2800	2936	ea1478ec189bfc7aa4f9ae9561a3033b8293396f09f12267d4044b3745e3a8be.exe	82
PID 2936 wrote to memory of 2800	2936	ea1478ec189bfc7aa4f9ae9561a3033b8293396f09f12267d4044b3745e3a8be.exe	82
PID 2936 wrote to memory of 2800	2936	ea1478ec189bfc7aa4f9ae9561a3033b8293396f09f12267d4044b3745e3a8be.exe	82
PID 2936 wrote to memory of 4524	2936	ea1478ec189bfc7aa4f9ae9561a3033b8293396f09f12267d4044b3745e3a8be.exe	83
PID 2936 wrote to memory of 4524	2936	ea1478ec189bfc7aa4f9ae9561a3033b8293396f09f12267d4044b3745e3a8be.exe	83
PID 2936 wrote to memory of 4524	2936	ea1478ec189bfc7aa4f9ae9561a3033b8293396f09f12267d4044b3745e3a8be.exe	83
PID 4524 wrote to memory of 3968	4524	cmd.exe	85
PID 4524 wrote to memory of 3968	4524	cmd.exe	85
PID 4524 wrote to memory of 3968	4524	cmd.exe	85

C:\Users\Admin\AppData\Local\Temp\ea1478ec189bfc7aa4f9ae9561a3033b8293396f09f12267d4044b3745e3a8be.exe
"C:\Users\Admin\AppData\Local\Temp\ea1478ec189bfc7aa4f9ae9561a3033b8293396f09f12267d4044b3745e3a8be.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2936
- C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\sainbox.exe
  "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\sainbox.exe"
  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:2800
- 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\EA1478~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4524
- - 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:3968

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

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

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:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\sainbox.exe

Filesize
1.3MB

MD5
31966cc62ff4619c28215e8d32235181

SHA1
1759cb93b1548d3074207f6f8657ee78c16f7336

SHA256
ea1478ec189bfc7aa4f9ae9561a3033b8293396f09f12267d4044b3745e3a8be

SHA512
55a07ba0d01811449a486234dd3d1b7ebb4e8bbc108e082a5ddf230532f2f89bd599634cbea50071a8196e711af9a4d2db234998b9b8f312284494b644d8a982

Download Submit
memory/2936-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads