gh0strat | d460c5b254e8e15513611544aa0770eef89d6931a6caf2731aa9c2aea477ab72

General

Target

d460c5b254e8e15513611544aa0770eef89d6931a6caf2731aa9c2aea477ab72.exe
Size

1.3MB
MD5

166032c45bfbdb4b80b30d0903a7c942
SHA1

436a18fce0953ad62c6da72d925bc3e6e8d5e892
SHA256

d460c5b254e8e15513611544aa0770eef89d6931a6caf2731aa9c2aea477ab72
SHA512

b1fd5a0b08a21131fcf08d67680774bd2e1aa9e83222e9ec25169e223f9279b7c7199f540daba0d60a94496c95b7373a8102c8fea1170aa9cc21b50ab0a838b5
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNG: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/2148-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/2148-0-0x0000000010000000-0x000000001019F000-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	Sklde.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"	Sklde.exe

Deletes itself 1 IoCs

pid	Process
1268	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2424	Sklde.exe
2520	Sklde.exe

Loads dropped DLL 1 IoCs

pid	Process
2424	Sklde.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Sklde.exe	d460c5b254e8e15513611544aa0770eef89d6931a6caf2731aa9c2aea477ab72.exe
File opened for modification	C:\Windows\SysWOW64\Sklde.exe	d460c5b254e8e15513611544aa0770eef89d6931a6caf2731aa9c2aea477ab72.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	Sklde.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Sklde.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	d460c5b254e8e15513611544aa0770eef89d6931a6caf2731aa9c2aea477ab72.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
1268	cmd.exe
2764	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2764	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2520	Sklde.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2148	d460c5b254e8e15513611544aa0770eef89d6931a6caf2731aa9c2aea477ab72.exe
Token: SeLoadDriverPrivilege	2520	Sklde.exe
Token: 33	2520	Sklde.exe
Token: SeIncBasePriorityPrivilege	2520	Sklde.exe
Token: 33	2520	Sklde.exe
Token: SeIncBasePriorityPrivilege	2520	Sklde.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 1268	2148	d460c5b254e8e15513611544aa0770eef89d6931a6caf2731aa9c2aea477ab72.exe	31
PID 2148 wrote to memory of 1268	2148	d460c5b254e8e15513611544aa0770eef89d6931a6caf2731aa9c2aea477ab72.exe	31
PID 2148 wrote to memory of 1268	2148	d460c5b254e8e15513611544aa0770eef89d6931a6caf2731aa9c2aea477ab72.exe	31
PID 2148 wrote to memory of 1268	2148	d460c5b254e8e15513611544aa0770eef89d6931a6caf2731aa9c2aea477ab72.exe	31
PID 2424 wrote to memory of 2520	2424	Sklde.exe	32
PID 2424 wrote to memory of 2520	2424	Sklde.exe	32
PID 2424 wrote to memory of 2520	2424	Sklde.exe	32
PID 2424 wrote to memory of 2520	2424	Sklde.exe	32
PID 1268 wrote to memory of 2764	1268	cmd.exe	34
PID 1268 wrote to memory of 2764	1268	cmd.exe	34
PID 1268 wrote to memory of 2764	1268	cmd.exe	34
PID 1268 wrote to memory of 2764	1268	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\d460c5b254e8e15513611544aa0770eef89d6931a6caf2731aa9c2aea477ab72.exe
"C:\Users\Admin\AppData\Local\Temp\d460c5b254e8e15513611544aa0770eef89d6931a6caf2731aa9c2aea477ab72.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2148
- 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\D460C5~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1268
- - 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:2764

C:\Windows\SysWOW64\Sklde.exe
C:\Windows\SysWOW64\Sklde.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Windows\SysWOW64\Sklde.exe
  C:\Windows\SysWOW64\Sklde.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:2520

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\Sklde.exe

Filesize
1.3MB

MD5
166032c45bfbdb4b80b30d0903a7c942

SHA1
436a18fce0953ad62c6da72d925bc3e6e8d5e892

SHA256
d460c5b254e8e15513611544aa0770eef89d6931a6caf2731aa9c2aea477ab72

SHA512
b1fd5a0b08a21131fcf08d67680774bd2e1aa9e83222e9ec25169e223f9279b7c7199f540daba0d60a94496c95b7373a8102c8fea1170aa9cc21b50ab0a838b5

Download Submit
memory/2148-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads