gh0strat | 2970b8bd37286de4bc42176d2a353235b172234be1a7fdc936610eb50f2c55fb

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
08-12-2024 12:34

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General

Target

2970b8bd37286de4bc42176d2a353235b172234be1a7fdc936610eb50f2c55fb.exe
Size

2.8MB
MD5

dae243f8d72b0bcbf22682fe366532af
SHA1

568a41b7837c606e99b99ec082f0ea5a3b8b973c
SHA256

2970b8bd37286de4bc42176d2a353235b172234be1a7fdc936610eb50f2c55fb
SHA512

bc00fd0dcf31fe50d87ab77d999d6fb3c454f25944fe15224fb96b9486a91340fb9df6fdf2cd9cf2aa349b14a1415f57c4813d5851716859b76aeae412fab3e3
SSDEEP

49152:TCwsbCANnKXferL7Vwe/Gg0P+WhvrYydU4:Gws2ANnKXOaeOgmhvrYsf

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/2532-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2532-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2532-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2020-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2020-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1584-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1584-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1584-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x000b000000023b56-5.dat	family_gh0strat
behavioral2/memory/2532-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2532-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2532-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2020-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2020-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1584-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1584-45-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1584-46-0x0000000010000000-0x00000000101B6000-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\\240609703.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 5 IoCs

pid	Process
2444	R.exe
2532	N.exe
2020	TXPlatfor.exe
1584	TXPlatfor.exe
3516	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
2444	R.exe
2932	svchost.exe
3516	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\240609703.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/2532-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2532-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2532-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2532-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2020-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2020-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2020-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1584-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1584-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1584-46-0x0000000010000000-0x00000000101B6000-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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Remote Data.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2970b8bd37286de4bc42176d2a353235b172234be1a7fdc936610eb50f2c55fb.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.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
1956	cmd.exe
4828	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4828	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1080	2970b8bd37286de4bc42176d2a353235b172234be1a7fdc936610eb50f2c55fb.exe
1080	2970b8bd37286de4bc42176d2a353235b172234be1a7fdc936610eb50f2c55fb.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1584	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2532	N.exe
Token: SeLoadDriverPrivilege	1584	TXPlatfor.exe
Token: 33	1584	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1584	TXPlatfor.exe
Token: 33	1584	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1584	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1080	2970b8bd37286de4bc42176d2a353235b172234be1a7fdc936610eb50f2c55fb.exe
1080	2970b8bd37286de4bc42176d2a353235b172234be1a7fdc936610eb50f2c55fb.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1080 wrote to memory of 2444	1080	2970b8bd37286de4bc42176d2a353235b172234be1a7fdc936610eb50f2c55fb.exe	83
PID 1080 wrote to memory of 2444	1080	2970b8bd37286de4bc42176d2a353235b172234be1a7fdc936610eb50f2c55fb.exe	83
PID 1080 wrote to memory of 2444	1080	2970b8bd37286de4bc42176d2a353235b172234be1a7fdc936610eb50f2c55fb.exe	83
PID 1080 wrote to memory of 2532	1080	2970b8bd37286de4bc42176d2a353235b172234be1a7fdc936610eb50f2c55fb.exe	86
PID 1080 wrote to memory of 2532	1080	2970b8bd37286de4bc42176d2a353235b172234be1a7fdc936610eb50f2c55fb.exe	86
PID 1080 wrote to memory of 2532	1080	2970b8bd37286de4bc42176d2a353235b172234be1a7fdc936610eb50f2c55fb.exe	86
PID 2532 wrote to memory of 1956	2532	N.exe	88
PID 2532 wrote to memory of 1956	2532	N.exe	88
PID 2532 wrote to memory of 1956	2532	N.exe	88
PID 2020 wrote to memory of 1584	2020	TXPlatfor.exe	89
PID 2020 wrote to memory of 1584	2020	TXPlatfor.exe	89
PID 2020 wrote to memory of 1584	2020	TXPlatfor.exe	89
PID 1956 wrote to memory of 4828	1956	cmd.exe	91
PID 1956 wrote to memory of 4828	1956	cmd.exe	91
PID 1956 wrote to memory of 4828	1956	cmd.exe	91
PID 2932 wrote to memory of 3516	2932	svchost.exe	94
PID 2932 wrote to memory of 3516	2932	svchost.exe	94
PID 2932 wrote to memory of 3516	2932	svchost.exe	94

C:\Users\Admin\AppData\Local\Temp\2970b8bd37286de4bc42176d2a353235b172234be1a7fdc936610eb50f2c55fb.exe
"C:\Users\Admin\AppData\Local\Temp\2970b8bd37286de4bc42176d2a353235b172234be1a7fdc936610eb50f2c55fb.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1080
- 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:2444
- 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:2532
- - 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:1956
  - - 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:4828

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:924

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:2932
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240609703.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:3516

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:2020
- 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:1584

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\SetBackup.exe

Filesize
2.8MB

MD5
b52ea71723d7601901352d9895c8576d

SHA1
d139f801e89b4a175002102b463cf10384a11069

SHA256
d870bcfcc7dbb2131589d8662919373e09f9dee6d5a7f4e57873af01f6865e92

SHA512
a8f0487a06ab34dc6db883a0589f8923333c393271337ff2109e95972d370ad81ce8f3286b1e5e373b73f7ff1564677c7bc32fe0967915869e8351ed8a6942b8

Download Submit
C:\Windows\SysWOW64\240609703.txt

Filesize
899KB

MD5
5bcbe4462c98c0934fcbe7c2d0f4686e

SHA1
e7144c9a6e2d598f925c1873f49450392b13ca66

SHA256
bbc3117f2c53015447a0df0ae1c8db15eb246f465254b0a6d47b07a6b7c8a332

SHA512
efe50ae3147e37461b040395c8166ea6cd278194ad2a525645112a796332789687aa949b9cc978379ad607e72546a8d3a3e4548b10f9ebd1470e231fe8e3aba4

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1584-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1584-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1584-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2020-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2020-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2020-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2532-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2532-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2532-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2532-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download