gh0strat | af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1

Analysis

max time kernel
150s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-11-2024 22:14

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General

Target

af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe
Size

3.8MB
MD5

0940cbdee2b48519a514c885e12daab8
SHA1

d9c36d05a66c1edaad9587b6b22470225f1f72ec
SHA256

af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1
SHA512

6c2a0d9f7005e0b6888914cc924e3979844d79ece1efa3758f44a4d9e0f7adba923a8afa5ec18611fb7eda8973e69f45b8a0caef3eff8aa91b0d599e05406bc2
SSDEEP

98304:qws2ANnKXOaeOgmhhQazFWSJ8NfZNxmSd:gKXbeO77mSmf1ms

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/4556-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4556-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4556-22-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1668-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1668-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4968-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4968-51-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4968-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240627296.txt	family_gh0strat
behavioral2/memory/4556-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4556-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4556-22-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1668-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1668-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4968-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4968-51-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4968-52-0x0000000010000000-0x00000000101B6000-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

Processes:

TXPlatfor.exe

description ioc process

File created C:\Windows\system32\drivers\QAssist.sys TXPlatfor.exe

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

Processes:

R.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240627296.txt"	R.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

TXPlatfor.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatfor.exe

Executes dropped EXE 5 IoCs

Processes:

R.exeN.exeTXPlatfor.exeTXPlatfor.exeRemote Data.exe

pid process

908 R.exe
4556 N.exe
1668 TXPlatfor.exe
4968 TXPlatfor.exe
4648 Remote Data.exe
Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

908 R.exe
4008 svchost.exe
4648 Remote Data.exe

pid	process
908	R.exe
4556	N.exe
1668	TXPlatfor.exe
4968	TXPlatfor.exe
4648	Remote Data.exe

pid	process
908	R.exe
4008	svchost.exe
4648	Remote Data.exe

Drops file in System32 directory 6 IoCs

Processes:

N.exeR.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\240627296.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

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4556-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4556-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4556-22-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4556-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1668-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1668-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1668-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4968-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4968-51-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4968-52-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

Processes:

af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.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 8 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

Processes:

af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exeR.exeN.exesvchost.exeTXPlatfor.execmd.exePING.EXERemote Data.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatfor.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	Remote Data.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

Processes:

PING.EXEcmd.exe

pid process

4092 PING.EXE
2728 cmd.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4092 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

4968 TXPlatfor.exe

pid	process
4092	PING.EXE
2728	cmd.exe

pid	process
4092	PING.EXE

pid	process
4968	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4556	N.exe
Token: SeLoadDriverPrivilege	4968	TXPlatfor.exe
Token: 33	4968	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4968	TXPlatfor.exe
Token: 33	4968	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4968	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe

pid	process
1568	af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe
1568	af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 1568 wrote to memory of 908	1568	af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe	R.exe
PID 1568 wrote to memory of 908	1568	af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe	R.exe
PID 1568 wrote to memory of 908	1568	af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe	R.exe
PID 1568 wrote to memory of 4556	1568	af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe	N.exe
PID 1568 wrote to memory of 4556	1568	af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe	N.exe
PID 1568 wrote to memory of 4556	1568	af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe	N.exe
PID 4556 wrote to memory of 2728	4556	N.exe	cmd.exe
PID 4556 wrote to memory of 2728	4556	N.exe	cmd.exe
PID 4556 wrote to memory of 2728	4556	N.exe	cmd.exe
PID 1668 wrote to memory of 4968	1668	TXPlatfor.exe	TXPlatfor.exe
PID 1668 wrote to memory of 4968	1668	TXPlatfor.exe	TXPlatfor.exe
PID 1668 wrote to memory of 4968	1668	TXPlatfor.exe	TXPlatfor.exe
PID 2728 wrote to memory of 4092	2728	cmd.exe	PING.EXE
PID 2728 wrote to memory of 4092	2728	cmd.exe	PING.EXE
PID 2728 wrote to memory of 4092	2728	cmd.exe	PING.EXE
PID 4008 wrote to memory of 4648	4008	svchost.exe	Remote Data.exe
PID 4008 wrote to memory of 4648	4008	svchost.exe	Remote Data.exe
PID 4008 wrote to memory of 4648	4008	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe
"C:\Users\Admin\AppData\Local\Temp\af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1568
- 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:908
- 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:4556
- - 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:2728
  - - 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:4092

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:3580

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:4008
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240627296.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4648

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:1668
- 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:4968

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
3.8MB

MD5
0940cbdee2b48519a514c885e12daab8

SHA1
d9c36d05a66c1edaad9587b6b22470225f1f72ec

SHA256
af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1

SHA512
6c2a0d9f7005e0b6888914cc924e3979844d79ece1efa3758f44a4d9e0f7adba923a8afa5ec18611fb7eda8973e69f45b8a0caef3eff8aa91b0d599e05406bc2

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\240627296.txt

Filesize
899KB

MD5
1e77a542d691f98cdfc628acfd30f160

SHA1
0f29cf0f921e4bc754b09c0ad7e5898ece07197c

SHA256
5b6b2e359bc93565b468d2abb75e456ea481fb8f68cf2d2bc87e64ced93b087c

SHA512
ed228387239ebb58145ea46aa1159abcf486098c213eea87e46d4ad5d8d2750dd17a96ad933200d9fccb36763d89def798260ab5829d215dda74194ae26977ab

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1668-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1668-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1668-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4556-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4556-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4556-22-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4556-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4968-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4968-51-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4968-52-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download