gh0strat | fe8954c55b06912419f62ae4c04e19ba8d16a8d5098c28dfcc3c6ef04a154f49

General

Target

fe8954c55b06912419f62ae4c04e19ba8d16a8d5098c28dfcc3c6ef04a154f49.exe
Size

1.3MB
MD5

35b3c3b3bc194549c97299db0e0352d3
SHA1

75e8ac27ed28de1081eabf10cb05fcc8bfcbc11e
SHA256

fe8954c55b06912419f62ae4c04e19ba8d16a8d5098c28dfcc3c6ef04a154f49
SHA512

768a3bcf36bc6dacb40c16fbf4f7f6a19ff579a67b708c3ee7001ad92783f2bfd505187ffe5afe41564ff664346b756c5503b21b9a70feeed6bc29abd67ca6d3
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNj: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
behavioral1/memory/2572-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/2572-0-0x0000000010000000-0x000000001019F000-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
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	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

Deletes itself 1 IoCs

pid	Process
2560	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2524	sainbox.exe
2112	sainbox.exe

Loads dropped DLL 1 IoCs

pid	Process
2524	sainbox.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\sainbox.exe	fe8954c55b06912419f62ae4c04e19ba8d16a8d5098c28dfcc3c6ef04a154f49.exe
File opened for modification	C:\Windows\SysWOW64\sainbox.exe	fe8954c55b06912419f62ae4c04e19ba8d16a8d5098c28dfcc3c6ef04a154f49.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	fe8954c55b06912419f62ae4c04e19ba8d16a8d5098c28dfcc3c6ef04a154f49.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sainbox.exe
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

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
2488	PING.EXE
2560	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2488	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2112	sainbox.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2572	fe8954c55b06912419f62ae4c04e19ba8d16a8d5098c28dfcc3c6ef04a154f49.exe
Token: SeLoadDriverPrivilege	2112	sainbox.exe
Token: 33	2112	sainbox.exe
Token: SeIncBasePriorityPrivilege	2112	sainbox.exe
Token: 33	2112	sainbox.exe
Token: SeIncBasePriorityPrivilege	2112	sainbox.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2572 wrote to memory of 2560	2572	fe8954c55b06912419f62ae4c04e19ba8d16a8d5098c28dfcc3c6ef04a154f49.exe	31
PID 2572 wrote to memory of 2560	2572	fe8954c55b06912419f62ae4c04e19ba8d16a8d5098c28dfcc3c6ef04a154f49.exe	31
PID 2572 wrote to memory of 2560	2572	fe8954c55b06912419f62ae4c04e19ba8d16a8d5098c28dfcc3c6ef04a154f49.exe	31
PID 2572 wrote to memory of 2560	2572	fe8954c55b06912419f62ae4c04e19ba8d16a8d5098c28dfcc3c6ef04a154f49.exe	31
PID 2524 wrote to memory of 2112	2524	sainbox.exe	32
PID 2524 wrote to memory of 2112	2524	sainbox.exe	32
PID 2524 wrote to memory of 2112	2524	sainbox.exe	32
PID 2524 wrote to memory of 2112	2524	sainbox.exe	32
PID 2560 wrote to memory of 2488	2560	cmd.exe	34
PID 2560 wrote to memory of 2488	2560	cmd.exe	34
PID 2560 wrote to memory of 2488	2560	cmd.exe	34
PID 2560 wrote to memory of 2488	2560	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\fe8954c55b06912419f62ae4c04e19ba8d16a8d5098c28dfcc3c6ef04a154f49.exe
"C:\Users\Admin\AppData\Local\Temp\fe8954c55b06912419f62ae4c04e19ba8d16a8d5098c28dfcc3c6ef04a154f49.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2572
- 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\FE8954~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2560
- - 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:2488

C:\Windows\SysWOW64\sainbox.exe
C:\Windows\SysWOW64\sainbox.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2524
- 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:2112

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\sainbox.exe

Filesize
1.3MB

MD5
35b3c3b3bc194549c97299db0e0352d3

SHA1
75e8ac27ed28de1081eabf10cb05fcc8bfcbc11e

SHA256
fe8954c55b06912419f62ae4c04e19ba8d16a8d5098c28dfcc3c6ef04a154f49

SHA512
768a3bcf36bc6dacb40c16fbf4f7f6a19ff579a67b708c3ee7001ad92783f2bfd505187ffe5afe41564ff664346b756c5503b21b9a70feeed6bc29abd67ca6d3

Download Submit
memory/2572-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads