gh0strat | fc492169e05686a491ad11dd5fb7f9b6c76cc8f3d4b58f576ad5f6e147401c87

Analysis

max time kernel
150s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-12-2024 22:41

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General

Target

fc492169e05686a491ad11dd5fb7f9b6c76cc8f3d4b58f576ad5f6e147401c87.exe
Size

2.6MB
MD5

668ce4c064cd67a1e8aa7ff849d37309
SHA1

4065576d0913e8bfdf574a0d8ad10731d527aa59
SHA256

fc492169e05686a491ad11dd5fb7f9b6c76cc8f3d4b58f576ad5f6e147401c87
SHA512

34dca79499b9477e9a39152b7cdaa24ad382151451d35073bd2fa9662dee84199ac0a1391dec894218ea1624b5b174373c6bf3d1b5e6cd776d93f2b2107d8f9c
SSDEEP

49152:yCwsbCANnKXferL7Vwe/Gg0P+Wh0sABTuV:Vws2ANnKXOaeOgmh01BTuV

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/1264-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1264-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1972-27-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1972-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2636-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2636-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2636-50-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral2/files/0x000c000000023b68-5.dat	family_gh0strat
behavioral2/memory/1264-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1264-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1972-27-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1972-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2636-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2636-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2636-50-0x0000000010000000-0x00000000101B6000-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	TXPlatfor.exe

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240613718.txt"	R.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"	TXPlatfor.exe

Executes dropped EXE 6 IoCs

pid	Process
3500	R.exe
1264	N.exe
1972	TXPlatfor.exe
4172	HD_fc492169e05686a491ad11dd5fb7f9b6c76cc8f3d4b58f576ad5f6e147401c87.exe
2636	TXPlatfor.exe
4900	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
3500	R.exe
5032	svchost.exe
4900	Remote Data.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240613718.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

UPX packed file 9 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1264-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1264-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1264-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1972-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1972-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1972-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2636-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2636-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2636-50-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	fc492169e05686a491ad11dd5fb7f9b6c76cc8f3d4b58f576ad5f6e147401c87.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 9 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	N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_fc492169e05686a491ad11dd5fb7f9b6c76cc8f3d4b58f576ad5f6e147401c87.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatfor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Remote Data.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fc492169e05686a491ad11dd5fb7f9b6c76cc8f3d4b58f576ad5f6e147401c87.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
756	cmd.exe
2140	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2140	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3580	fc492169e05686a491ad11dd5fb7f9b6c76cc8f3d4b58f576ad5f6e147401c87.exe
3580	fc492169e05686a491ad11dd5fb7f9b6c76cc8f3d4b58f576ad5f6e147401c87.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2636	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1264	N.exe
Token: SeLoadDriverPrivilege	2636	TXPlatfor.exe
Token: 33	2636	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2636	TXPlatfor.exe
Token: 33	2636	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2636	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3580	fc492169e05686a491ad11dd5fb7f9b6c76cc8f3d4b58f576ad5f6e147401c87.exe
3580	fc492169e05686a491ad11dd5fb7f9b6c76cc8f3d4b58f576ad5f6e147401c87.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3580 wrote to memory of 3500	3580	fc492169e05686a491ad11dd5fb7f9b6c76cc8f3d4b58f576ad5f6e147401c87.exe	84
PID 3580 wrote to memory of 3500	3580	fc492169e05686a491ad11dd5fb7f9b6c76cc8f3d4b58f576ad5f6e147401c87.exe	84
PID 3580 wrote to memory of 3500	3580	fc492169e05686a491ad11dd5fb7f9b6c76cc8f3d4b58f576ad5f6e147401c87.exe	84
PID 3580 wrote to memory of 1264	3580	fc492169e05686a491ad11dd5fb7f9b6c76cc8f3d4b58f576ad5f6e147401c87.exe	87
PID 3580 wrote to memory of 1264	3580	fc492169e05686a491ad11dd5fb7f9b6c76cc8f3d4b58f576ad5f6e147401c87.exe	87
PID 3580 wrote to memory of 1264	3580	fc492169e05686a491ad11dd5fb7f9b6c76cc8f3d4b58f576ad5f6e147401c87.exe	87
PID 1264 wrote to memory of 756	1264	N.exe	89
PID 1264 wrote to memory of 756	1264	N.exe	89
PID 1264 wrote to memory of 756	1264	N.exe	89
PID 3580 wrote to memory of 4172	3580	fc492169e05686a491ad11dd5fb7f9b6c76cc8f3d4b58f576ad5f6e147401c87.exe	90
PID 3580 wrote to memory of 4172	3580	fc492169e05686a491ad11dd5fb7f9b6c76cc8f3d4b58f576ad5f6e147401c87.exe	90
PID 3580 wrote to memory of 4172	3580	fc492169e05686a491ad11dd5fb7f9b6c76cc8f3d4b58f576ad5f6e147401c87.exe	90
PID 1972 wrote to memory of 2636	1972	TXPlatfor.exe	91
PID 1972 wrote to memory of 2636	1972	TXPlatfor.exe	91
PID 1972 wrote to memory of 2636	1972	TXPlatfor.exe	91
PID 756 wrote to memory of 2140	756	cmd.exe	93
PID 756 wrote to memory of 2140	756	cmd.exe	93
PID 756 wrote to memory of 2140	756	cmd.exe	93
PID 5032 wrote to memory of 4900	5032	svchost.exe	94
PID 5032 wrote to memory of 4900	5032	svchost.exe	94
PID 5032 wrote to memory of 4900	5032	svchost.exe	94

C:\Users\Admin\AppData\Local\Temp\fc492169e05686a491ad11dd5fb7f9b6c76cc8f3d4b58f576ad5f6e147401c87.exe
"C:\Users\Admin\AppData\Local\Temp\fc492169e05686a491ad11dd5fb7f9b6c76cc8f3d4b58f576ad5f6e147401c87.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3580
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:3500
- C:\Users\Admin\AppData\Local\Temp\N.exe
  C:\Users\Admin\AppData\Local\Temp\\N.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1264
- - 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\N.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:756
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2140
- C:\Users\Admin\AppData\Local\Temp\HD_fc492169e05686a491ad11dd5fb7f9b6c76cc8f3d4b58f576ad5f6e147401c87.exe
  C:\Users\Admin\AppData\Local\Temp\HD_fc492169e05686a491ad11dd5fb7f9b6c76cc8f3d4b58f576ad5f6e147401c87.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4172

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:3628

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5032
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240613718.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4900

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Windows\SysWOW64\TXPlatfor.exe
  C:\Windows\SysWOW64\TXPlatfor.exe -acsi
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:2636

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

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
2.6MB

MD5
71c68992a7dd458d1aa08a506111aaf4

SHA1
f8bc75c9a43b18e436fbfba8f9e1287311c0148f

SHA256
7020682a0fb10217b82c322036ca5665f8ecd51f0ac2c1294ed6d1f7f47712aa

SHA512
2c713c3df3e222a725758909d439c8fb8e7e1791eae903ee695d8a6f49e6f30970bce5a4650eba1a39b930cff7bd53ab8ebf09308ced84c71662e8b2c592185e

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_fc492169e05686a491ad11dd5fb7f9b6c76cc8f3d4b58f576ad5f6e147401c87.exe

Filesize
36KB

MD5
eb7409d7cd6e8d8edec5e3209385f88a

SHA1
31555fc8fca9ee669a82dafe4b5876900877a61d

SHA256
7a40e13568d9a4e33fb7ed34dc0abd21a9c097beae9c0e4ade3b99f05a0f60d9

SHA512
4038ad98ac4550daad41011de597c54a57f923b624c9088f52ebbbbc5822466959e08d00d9276a35c78133807b22613a52811a7517629a16e93a52a041b44f4f

Download Submit
C:\Users\Admin\AppData\Local\Temp\N.exe

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\R.exe

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
C:\Windows\SysWOW64\240613718.txt

Filesize
899KB

MD5
7c66da748300e588cf1915e714e0b50d

SHA1
7f4b6162cdbf8134f6b22bfbc64ded5b3b7ec9b3

SHA256
72282d752c2f4e506414a9a78c0e35b6eb68840ff59a14674259fbffa6b7a53f

SHA512
5ee020743178e24a52b17914ccbb8edafa2d02659533b19a0df50312a31f59aea534ef104f431b66c6050b46754ce6e23d6d84ae5ea8d3016f5cc265405b28c4

Download Submit
C:\Windows\SysWOW64\Remote Data.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1264-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1264-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1264-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1972-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1972-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1972-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2636-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2636-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2636-50-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download