gh0strat | f17551082a9e650f6d1b2def54a46a5788efb11144547d0b5db3b137a3d9d69d

General

Target

f17551082a9e650f6d1b2def54a46a5788efb11144547d0b5db3b137a3d9d69d.exe
Size

1.3MB
MD5

8c8ec8c6889ce6efcb5e78801b0e7372
SHA1

4953fc26267d1ae140b79d23e36de5a6221a8332
SHA256

f17551082a9e650f6d1b2def54a46a5788efb11144547d0b5db3b137a3d9d69d
SHA512

2a0d4dee2b08f41a5a33c7354eab786b2693c374d120db8ad727d131b98ef8024cfd011407f403b63652803be20226efad81e85a036276be4ff3dc06484f5b0b
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNr:QHPkVOBTK

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/3644-1-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/4464-10-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/1540-17-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/3644-1-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/4464-10-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/1540-17-0x0000000010000000-0x000000001019F000-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
4464	sainbox.exe
1540	sainbox.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	f17551082a9e650f6d1b2def54a46a5788efb11144547d0b5db3b137a3d9d69d.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
3316	cmd.exe
4128	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4128	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1540	sainbox.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3644	f17551082a9e650f6d1b2def54a46a5788efb11144547d0b5db3b137a3d9d69d.exe
Token: SeLoadDriverPrivilege	1540	sainbox.exe
Token: 33	1540	sainbox.exe
Token: SeIncBasePriorityPrivilege	1540	sainbox.exe
Token: 33	1540	sainbox.exe
Token: SeIncBasePriorityPrivilege	1540	sainbox.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3644 wrote to memory of 3316	3644	f17551082a9e650f6d1b2def54a46a5788efb11144547d0b5db3b137a3d9d69d.exe	85
PID 3644 wrote to memory of 3316	3644	f17551082a9e650f6d1b2def54a46a5788efb11144547d0b5db3b137a3d9d69d.exe	85
PID 3644 wrote to memory of 3316	3644	f17551082a9e650f6d1b2def54a46a5788efb11144547d0b5db3b137a3d9d69d.exe	85
PID 4464 wrote to memory of 1540	4464	sainbox.exe	87
PID 4464 wrote to memory of 1540	4464	sainbox.exe	87
PID 4464 wrote to memory of 1540	4464	sainbox.exe	87
PID 3316 wrote to memory of 4128	3316	cmd.exe	88
PID 3316 wrote to memory of 4128	3316	cmd.exe	88
PID 3316 wrote to memory of 4128	3316	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\f17551082a9e650f6d1b2def54a46a5788efb11144547d0b5db3b137a3d9d69d.exe
"C:\Users\Admin\AppData\Local\Temp\f17551082a9e650f6d1b2def54a46a5788efb11144547d0b5db3b137a3d9d69d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3644
- 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\F17551~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3316
- - 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:4128

C:\ProgramData\Application Data\DRM\sainbox.exe
"C:\ProgramData\Application Data\DRM\sainbox.exe" -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4464
- C:\ProgramData\Application Data\DRM\sainbox.exe
  "C:\ProgramData\Application Data\DRM\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:1540

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:\ProgramData\Application Data\DRM\sainbox.exe

Filesize
1.3MB

MD5
8c8ec8c6889ce6efcb5e78801b0e7372

SHA1
4953fc26267d1ae140b79d23e36de5a6221a8332

SHA256
f17551082a9e650f6d1b2def54a46a5788efb11144547d0b5db3b137a3d9d69d

SHA512
2a0d4dee2b08f41a5a33c7354eab786b2693c374d120db8ad727d131b98ef8024cfd011407f403b63652803be20226efad81e85a036276be4ff3dc06484f5b0b

Download Submit
memory/1540-17-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/3644-1-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/4464-10-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads