gh0strat | 0fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-12-2024 13:54

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General

Target

0fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3.exe
Size

1.4MB
MD5

ae6a1280743efe069b752257c809c248
SHA1

569f58679426b54952f2fa5e8c17565942d08ba1
SHA256

0fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3
SHA512

14b6676f53e537742685bede083aa2b7910a7f6a46b0597b88ca03ec18d9a3e7561cfbe608dd9230a54da125e9af4e6f3f91e4785bcec1e80698913f0204afcb
SSDEEP

24576:n39WkOyHutimZ9VSly2hVvHW6qMnSbTBBhBMN:39qHPkVOBTK

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/940-12-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/1676-21-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/2992-1-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/940-12-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/1676-21-0x0000000010000000-0x000000001019F000-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	Mnfvn.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"	Mnfvn.exe

Executes dropped EXE 2 IoCs

pid	Process
940	Mnfvn.exe
1676	Mnfvn.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\J:	Mnfvn.exe
File opened (read-only)	\??\K:	Mnfvn.exe
File opened (read-only)	\??\O:	Mnfvn.exe
File opened (read-only)	\??\R:	Mnfvn.exe
File opened (read-only)	\??\T:	Mnfvn.exe
File opened (read-only)	\??\W:	Mnfvn.exe
File opened (read-only)	\??\X:	Mnfvn.exe
File opened (read-only)	\??\E:	Mnfvn.exe
File opened (read-only)	\??\I:	Mnfvn.exe
File opened (read-only)	\??\S:	Mnfvn.exe
File opened (read-only)	\??\B:	Mnfvn.exe
File opened (read-only)	\??\G:	Mnfvn.exe
File opened (read-only)	\??\H:	Mnfvn.exe
File opened (read-only)	\??\N:	Mnfvn.exe
File opened (read-only)	\??\P:	Mnfvn.exe
File opened (read-only)	\??\U:	Mnfvn.exe
File opened (read-only)	\??\Z:	Mnfvn.exe
File opened (read-only)	\??\L:	Mnfvn.exe
File opened (read-only)	\??\M:	Mnfvn.exe
File opened (read-only)	\??\Q:	Mnfvn.exe
File opened (read-only)	\??\V:	Mnfvn.exe
File opened (read-only)	\??\Y:	Mnfvn.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Mnfvn.exe	0fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3.exe
File opened for modification	C:\Windows\SysWOW64\Mnfvn.exe	0fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Mnfvn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Mnfvn.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
2852	PING.EXE
4644	cmd.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Mnfvn.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	Mnfvn.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software	Mnfvn.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	Mnfvn.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie	Mnfvn.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7"	Mnfvn.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum	Mnfvn.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2852	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe
1676	Mnfvn.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1676	Mnfvn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2992	0fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3.exe
Token: SeLoadDriverPrivilege	1676	Mnfvn.exe
Token: 33	1676	Mnfvn.exe
Token: SeIncBasePriorityPrivilege	1676	Mnfvn.exe
Token: 33	1676	Mnfvn.exe
Token: SeIncBasePriorityPrivilege	1676	Mnfvn.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2992 wrote to memory of 4644	2992	0fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3.exe	83
PID 2992 wrote to memory of 4644	2992	0fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3.exe	83
PID 2992 wrote to memory of 4644	2992	0fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3.exe	83
PID 940 wrote to memory of 1676	940	Mnfvn.exe	84
PID 940 wrote to memory of 1676	940	Mnfvn.exe	84
PID 940 wrote to memory of 1676	940	Mnfvn.exe	84
PID 4644 wrote to memory of 2852	4644	cmd.exe	86
PID 4644 wrote to memory of 2852	4644	cmd.exe	86
PID 4644 wrote to memory of 2852	4644	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\0fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3.exe
"C:\Users\Admin\AppData\Local\Temp\0fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3.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\0FCD66~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4644
- - 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:2852

C:\Windows\SysWOW64\Mnfvn.exe
C:\Windows\SysWOW64\Mnfvn.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:940
- C:\Windows\SysWOW64\Mnfvn.exe
  C:\Windows\SysWOW64\Mnfvn.exe -acsi
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:1676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\Mnfvn.exe

Filesize
1.4MB

MD5
ae6a1280743efe069b752257c809c248

SHA1
569f58679426b54952f2fa5e8c17565942d08ba1

SHA256
0fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3

SHA512
14b6676f53e537742685bede083aa2b7910a7f6a46b0597b88ca03ec18d9a3e7561cfbe608dd9230a54da125e9af4e6f3f91e4785bcec1e80698913f0204afcb

Download Submit
memory/940-12-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/1676-21-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/2992-0-0x0000000000400000-0x0000000000580000-memory.dmp

Filesize
1.5MB

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

Filesize
1.6MB

Download