gh0strat | 4df7e097506dd7c0637c88b86e04ef3d2308dfc67e3da3642481a41d68ee68cc

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2024 17:10

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General

Target

4df7e097506dd7c0637c88b86e04ef3d2308dfc67e3da3642481a41d68ee68cc.exe
Size

2.3MB
MD5

92dc3f86bb65640499f4f02f82509b92
SHA1

9751d97037fd0eb16826b7a61623ad4d84c7f0e4
SHA256

4df7e097506dd7c0637c88b86e04ef3d2308dfc67e3da3642481a41d68ee68cc
SHA512

a00517e8704200e88980a84847ef49fca23506593c7c48eb0908627e3838d478aae1258a4ff3c15f9224b9e6194405a317b76c2ef1940cd75434d52f54fb1584
SSDEEP

24576:WCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHQ:WCwsbCANnKXferL7Vwe/Gg0P+WhxD5

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/4860-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4860-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4860-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4900-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4900-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4940-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4940-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4940-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4940-50-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4940-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

Processes:

resource	yara_rule
behavioral2/files/0x000c000000023b7e-5.dat	family_gh0strat
behavioral2/memory/4860-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4860-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4860-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4900-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4900-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4940-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4940-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4940-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4940-50-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4940-52-0x0000000010000000-0x00000000101B6000-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

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\\240617734.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
1816	R.exe
4860	N.exe
4900	TXPlatfor.exe
4940	TXPlatfor.exe
992	Remote Data.exe

Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid	Process
1816	R.exe
3336	svchost.exe
992	Remote Data.exe

Drops file in System32 directory 6 IoCs

Processes:

R.exesvchost.exeN.exe

description	ioc	Process
File created	C:\Windows\SysWOW64\240617734.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 13 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4860-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4860-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4860-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4860-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4900-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4900-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4900-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4940-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4940-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4940-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4940-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4940-50-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4940-52-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

Processes:

4df7e097506dd7c0637c88b86e04ef3d2308dfc67e3da3642481a41d68ee68cc.exe

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	4df7e097506dd7c0637c88b86e04ef3d2308dfc67e3da3642481a41d68ee68cc.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:

4df7e097506dd7c0637c88b86e04ef3d2308dfc67e3da3642481a41d68ee68cc.exeR.exesvchost.exeN.exeTXPlatfor.execmd.exePING.EXERemote Data.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4df7e097506dd7c0637c88b86e04ef3d2308dfc67e3da3642481a41d68ee68cc.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
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:

cmd.exePING.EXE

pid	Process
4064	cmd.exe
1412	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
1412	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid	Process
4940	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	Process
Token: SeIncBasePriorityPrivilege	4860	N.exe
Token: SeLoadDriverPrivilege	4940	TXPlatfor.exe
Token: 33	4940	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4940	TXPlatfor.exe
Token: 33	4940	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4940	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

4df7e097506dd7c0637c88b86e04ef3d2308dfc67e3da3642481a41d68ee68cc.exe

pid	Process
4408	4df7e097506dd7c0637c88b86e04ef3d2308dfc67e3da3642481a41d68ee68cc.exe
4408	4df7e097506dd7c0637c88b86e04ef3d2308dfc67e3da3642481a41d68ee68cc.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

4df7e097506dd7c0637c88b86e04ef3d2308dfc67e3da3642481a41d68ee68cc.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	Process	procid_target
PID 4408 wrote to memory of 1816	4408	4df7e097506dd7c0637c88b86e04ef3d2308dfc67e3da3642481a41d68ee68cc.exe	83
PID 4408 wrote to memory of 1816	4408	4df7e097506dd7c0637c88b86e04ef3d2308dfc67e3da3642481a41d68ee68cc.exe	83
PID 4408 wrote to memory of 1816	4408	4df7e097506dd7c0637c88b86e04ef3d2308dfc67e3da3642481a41d68ee68cc.exe	83
PID 4408 wrote to memory of 4860	4408	4df7e097506dd7c0637c88b86e04ef3d2308dfc67e3da3642481a41d68ee68cc.exe	86
PID 4408 wrote to memory of 4860	4408	4df7e097506dd7c0637c88b86e04ef3d2308dfc67e3da3642481a41d68ee68cc.exe	86
PID 4408 wrote to memory of 4860	4408	4df7e097506dd7c0637c88b86e04ef3d2308dfc67e3da3642481a41d68ee68cc.exe	86
PID 4860 wrote to memory of 4064	4860	N.exe	88
PID 4860 wrote to memory of 4064	4860	N.exe	88
PID 4860 wrote to memory of 4064	4860	N.exe	88
PID 4900 wrote to memory of 4940	4900	TXPlatfor.exe	90
PID 4900 wrote to memory of 4940	4900	TXPlatfor.exe	90
PID 4900 wrote to memory of 4940	4900	TXPlatfor.exe	90
PID 4064 wrote to memory of 1412	4064	cmd.exe	91
PID 4064 wrote to memory of 1412	4064	cmd.exe	91
PID 4064 wrote to memory of 1412	4064	cmd.exe	91
PID 3336 wrote to memory of 992	3336	svchost.exe	92
PID 3336 wrote to memory of 992	3336	svchost.exe	92
PID 3336 wrote to memory of 992	3336	svchost.exe	92

C:\Users\Admin\AppData\Local\Temp\4df7e097506dd7c0637c88b86e04ef3d2308dfc67e3da3642481a41d68ee68cc.exe
"C:\Users\Admin\AppData\Local\Temp\4df7e097506dd7c0637c88b86e04ef3d2308dfc67e3da3642481a41d68ee68cc.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4408
- 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:1816
- 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:4860
- - 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:4064
  - - 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:1412

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4904

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:3336
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240617734.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:992

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:4900
- 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:4940

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
2.3MB

MD5
92dc3f86bb65640499f4f02f82509b92

SHA1
9751d97037fd0eb16826b7a61623ad4d84c7f0e4

SHA256
4df7e097506dd7c0637c88b86e04ef3d2308dfc67e3da3642481a41d68ee68cc

SHA512
a00517e8704200e88980a84847ef49fca23506593c7c48eb0908627e3838d478aae1258a4ff3c15f9224b9e6194405a317b76c2ef1940cd75434d52f54fb1584

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\240617734.txt

Filesize
899KB

MD5
18eda4d4ab40154ffc3668bbe258c73c

SHA1
1051f09bc4ad13ab02e91e62cd0ad98d26fc26cb

SHA256
63fefd977f7c9cc8169bf174c529a6c8cb63048b64be51657ff3827c2e8608bc

SHA512
30d76b9dc5f5cc4bca3d6d0261730543d0e8dbf0472afd07a440e2b817447b169de0db49f5e33d25640f77a3fe1e2ec5e12d4944d6be817e9fc7a40f3aeaf5ba

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/4860-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4860-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4860-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4860-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4900-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4900-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4900-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4940-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4940-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4940-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4940-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4940-50-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4940-52-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download