gh0strat | 642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2

Analysis

max time kernel
150s
max time network
150s
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 23:50

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General

Target

642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe
Size

2.6MB
MD5

f564c071e0d9a8d1b2541d1df2ad3c57
SHA1

b13cad44691d71f7ced5854f45d3a34af786a24d
SHA256

642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2
SHA512

f8fcdf5c903a819e645f10a058e5f29ce4f97c8fb9206c59a4c9d35087bf4da44405d0cf70304ccb50c68842dddd85cb56187950a69da91d62452172592a38bd
SSDEEP

49152:OCwsbCANnKXferL7Vwe/Gg0P+WhIsABTuS:pws2ANnKXOaeOgmhI1BTuS

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/3640-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3640-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3640-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2140-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2140-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3664-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3664-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3664-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x000b000000023b64-5.dat	family_gh0strat
behavioral2/memory/3640-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3640-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3640-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2140-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2140-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3664-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3664-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3664-46-0x0000000010000000-0x00000000101B6000-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\\240610796.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
4284	R.exe
3640	N.exe
2140	TXPlatfor.exe
5032	HD_642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe
3664	TXPlatfor.exe
624	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
4284	R.exe
4472	svchost.exe
624	Remote Data.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
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
File created	C:\Windows\SysWOW64\240610796.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3640-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3640-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3640-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3640-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2140-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2140-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2140-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3664-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3664-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3664-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

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	HD_642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatfor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.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
2144	cmd.exe
3132	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3132	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2520	642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe
2520	642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3664	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3640	N.exe
Token: SeLoadDriverPrivilege	3664	TXPlatfor.exe
Token: 33	3664	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3664	TXPlatfor.exe
Token: 33	3664	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3664	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2520	642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe
2520	642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 4284	2520	642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe	84
PID 2520 wrote to memory of 4284	2520	642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe	84
PID 2520 wrote to memory of 4284	2520	642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe	84
PID 2520 wrote to memory of 3640	2520	642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe	87
PID 2520 wrote to memory of 3640	2520	642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe	87
PID 2520 wrote to memory of 3640	2520	642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe	87
PID 3640 wrote to memory of 2144	3640	N.exe	89
PID 3640 wrote to memory of 2144	3640	N.exe	89
PID 3640 wrote to memory of 2144	3640	N.exe	89
PID 2520 wrote to memory of 5032	2520	642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe	90
PID 2520 wrote to memory of 5032	2520	642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe	90
PID 2520 wrote to memory of 5032	2520	642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe	90
PID 2140 wrote to memory of 3664	2140	TXPlatfor.exe	91
PID 2140 wrote to memory of 3664	2140	TXPlatfor.exe	91
PID 2140 wrote to memory of 3664	2140	TXPlatfor.exe	91
PID 2144 wrote to memory of 3132	2144	cmd.exe	94
PID 2144 wrote to memory of 3132	2144	cmd.exe	94
PID 2144 wrote to memory of 3132	2144	cmd.exe	94
PID 4472 wrote to memory of 624	4472	svchost.exe	95
PID 4472 wrote to memory of 624	4472	svchost.exe	95
PID 4472 wrote to memory of 624	4472	svchost.exe	95

C:\Users\Admin\AppData\Local\Temp\642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe
"C:\Users\Admin\AppData\Local\Temp\642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2520
- 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:4284
- 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:3640
- - 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:2144
  - - 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:3132
- C:\Users\Admin\AppData\Local\Temp\HD_642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe
  C:\Users\Admin\AppData\Local\Temp\HD_642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5032

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1728

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:4472
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240610796.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:624

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:2140
- 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:3664

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 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_642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe

Filesize
11KB

MD5
8c7854ece85dad1c3b063cf75a6b631d

SHA1
86407cc17ebda867a0d8a127dafdb22de4c611b6

SHA256
39cf2f3cc0a6153bc9fe95f15496da7d87c7ead692e7ec6dcd9beee55d8be35e

SHA512
e55118b36d661e248984f4fe807922de64cbff39ad060ebd28d89ca06823ec96853b76f6847660562f3981308ee73baa25b2a63d97f160944d0fa4b6ccd59a2c

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

Filesize
2.6MB

MD5
97958c76750221e2953392782e393c54

SHA1
125961f3d7ba5404792478b929e331a3188c0e42

SHA256
93bba883b08d311455ffdcd4c2a8f70a5e5eb4294a158c840ef6757b10259f6b

SHA512
2d5cfb8751911c4d3980cf2059e87c37ef3d9cf02736d8494f8983a05677abbcc750613b2d609540e0c317b94359b74b8347491a9417b36a3ad5b2d03d6363e2

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\240610796.txt

Filesize
899KB

MD5
61d0acb0bbf810df4668d34bbfc3ef48

SHA1
44ee2a8ca1536977f2f6e7c134c82bf6e69f1ab5

SHA256
4e6607bb44e9d60245cce45571afc62da837f17e91f7ffc0d803e6ad1295968d

SHA512
3cbc1e13ab1b92631da0fbadf4c9440608c73c7ff7e758b741157a74819820967bf329aea1c2bd1c02e53cbbf5ff98e1f0496ef7324a844865c69cdf70794466

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/2140-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2140-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2140-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3640-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3640-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3640-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3640-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3664-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3664-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3664-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download