gh0strat | 5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a

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
21-11-2024 04:02

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General

Target

5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe
Size

2.6MB
MD5

fd321237ba104a697415d33a2f462301
SHA1

45797ace37dfc83d020fb306c265363ada0ec466
SHA256

5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a
SHA512

cf2ff335edae95e3b964e0c9e88a3f408aaab8df1cffa78c697479b222136bbe3990e4593beea48ff1116d7b15df91b95cf9084e58310556f43a26783daf176d
SSDEEP

24576:SCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHV:SCwsbCANnKXferL7Vwe/Gg0P+WhTSIu

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/4976-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4976-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4976-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3064-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3064-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3972-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3972-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3972-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240620000.txt	family_gh0strat
behavioral2/memory/4976-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4976-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4976-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3064-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3064-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3972-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3972-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3972-43-0x0000000010000000-0x00000000101B6000-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\\240620000.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

2604 R.exe
4976 N.exe
3064 TXPlatfor.exe
3972 TXPlatfor.exe
3456 Remote Data.exe
Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

2604 R.exe
2360 svchost.exe
3456 Remote Data.exe

pid	process
2604	R.exe
4976	N.exe
3064	TXPlatfor.exe
3972	TXPlatfor.exe
3456	Remote Data.exe

pid	process
2604	R.exe
2360	svchost.exe
3456	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\240620000.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/4976-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4976-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4976-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4976-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3064-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3064-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3064-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3972-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3972-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3972-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

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:

PING.EXERemote Data.exe5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exeR.exesvchost.exeN.exeTXPlatfor.execmd.exe

description	ioc	process
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	5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.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	N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatfor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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:

cmd.exePING.EXE

pid process

2304 cmd.exe
4280 PING.EXE
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4280 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

3972 TXPlatfor.exe

pid	process
2304	cmd.exe
4280	PING.EXE

pid	process
4280	PING.EXE

pid	process
3972	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4976	N.exe
Token: SeLoadDriverPrivilege	3972	TXPlatfor.exe
Token: 33	3972	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3972	TXPlatfor.exe
Token: 33	3972	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3972	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe

pid	process
3100	5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe
3100	5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 3100 wrote to memory of 2604	3100	5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe	R.exe
PID 3100 wrote to memory of 2604	3100	5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe	R.exe
PID 3100 wrote to memory of 2604	3100	5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe	R.exe
PID 3100 wrote to memory of 4976	3100	5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe	N.exe
PID 3100 wrote to memory of 4976	3100	5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe	N.exe
PID 3100 wrote to memory of 4976	3100	5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe	N.exe
PID 4976 wrote to memory of 2304	4976	N.exe	cmd.exe
PID 4976 wrote to memory of 2304	4976	N.exe	cmd.exe
PID 4976 wrote to memory of 2304	4976	N.exe	cmd.exe
PID 3064 wrote to memory of 3972	3064	TXPlatfor.exe	TXPlatfor.exe
PID 3064 wrote to memory of 3972	3064	TXPlatfor.exe	TXPlatfor.exe
PID 3064 wrote to memory of 3972	3064	TXPlatfor.exe	TXPlatfor.exe
PID 2304 wrote to memory of 4280	2304	cmd.exe	PING.EXE
PID 2304 wrote to memory of 4280	2304	cmd.exe	PING.EXE
PID 2304 wrote to memory of 4280	2304	cmd.exe	PING.EXE
PID 2360 wrote to memory of 3456	2360	svchost.exe	Remote Data.exe
PID 2360 wrote to memory of 3456	2360	svchost.exe	Remote Data.exe
PID 2360 wrote to memory of 3456	2360	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe
"C:\Users\Admin\AppData\Local\Temp\5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3100
- 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:2604
- 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:4976
- - 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:2304
  - - 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:4280

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4352

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:2360
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240620000.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:3456

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:3064
- 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:3972

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\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:\Users\Admin\Desktop\GrantWait.exe

Filesize
3.1MB

MD5
1226db4930594a83c379ffc0a22e8705

SHA1
d2393f35d5eae6eacce56a9adbb6c0a00cee2a10

SHA256
dc4e2d592a0a0a71e79afd611c2c493339c65ecbd381e4db490146790fb3d967

SHA512
b64b0af0a33bb45177c9142fa1c2f3def4045fe82484ee846f66550fce0e16fa27239a847ed061b138ad1a83c8689c2471c06390a82bb82207327fb3508844e6

Download Submit
C:\Windows\SysWOW64\240620000.txt

Filesize
899KB

MD5
78561df957e7f5d10716b337cc84d02f

SHA1
7eb70748e993416fb57ce14ae180b9fe490ae4ea

SHA256
0366e81a95eb9cc99d66ce775b03729290af97a513087c26363cc44110749679

SHA512
eeb4c852ab7f75ecec1bf2839cdba5bfa865e6b75123d194d129b7a305f2474aa9ffe562d484ab6ea89d1290c1c9a6aec26eab95c9fb14ba9f3913ee67c1d4ff

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/3064-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3064-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3064-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3972-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3972-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3972-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4976-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4976-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4976-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4976-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download