gh0strat | 8cca596253bb36dc82b1c26d593104ca5b463f72cebc8a6df1009176a25244a9

Analysis

max time kernel
150s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2024 01:41

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General

Target

8cca596253bb36dc82b1c26d593104ca5b463f72cebc8a6df1009176a25244a9.exe
Size

6.6MB
MD5

2da98083b16bd806de655adbbdf92bb7
SHA1

d5bcb682b67fb43fae314c54db8a78548c94f0fc
SHA256

8cca596253bb36dc82b1c26d593104ca5b463f72cebc8a6df1009176a25244a9
SHA512

9a57a83aee6e37d70a90b4bfb62dd79ccd6989b22ded7e894d23f983d0d12a5e0419590235c8725601473532bed55462cdbfba6883d44acae2188a631aa10a73
SSDEEP

98304:pws2ANnKXOaeOgmhI1BTu6/TdfylkLXLjy+Iq6+pCF5s2Pd+CifyBJNBdq:bKXbeO7S1p5dfylkmw6+y5s2F+vKH0

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/4820-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4820-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4820-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5104-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5104-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4560-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4560-54-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4560-56-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x000a000000023c58-5.dat	family_gh0strat
behavioral2/memory/4820-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4820-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4820-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5104-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5104-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4560-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4560-54-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4560-56-0x0000000010000000-0x00000000101B6000-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\\240624593.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
4052	R.exe
4820	N.exe
5104	TXPlatfor.exe
4560	TXPlatfor.exe
1432	HD_8cca596253bb36dc82b1c26d593104ca5b463f72cebc8a6df1009176a25244a9.exe
1836	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
4052	R.exe
4836	svchost.exe
1836	Remote Data.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\240624593.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

resource	yara_rule
behavioral2/memory/4820-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4820-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4820-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4820-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5104-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5104-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5104-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4560-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4560-54-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4560-56-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	8cca596253bb36dc82b1c26d593104ca5b463f72cebc8a6df1009176a25244a9.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

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	8cca596253bb36dc82b1c26d593104ca5b463f72cebc8a6df1009176a25244a9.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

pid	Process
948	cmd.exe
2076	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2076	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4340	8cca596253bb36dc82b1c26d593104ca5b463f72cebc8a6df1009176a25244a9.exe
4340	8cca596253bb36dc82b1c26d593104ca5b463f72cebc8a6df1009176a25244a9.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4560	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4820	N.exe
Token: SeLoadDriverPrivilege	4560	TXPlatfor.exe
Token: 33	4560	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4560	TXPlatfor.exe
Token: 33	4560	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4560	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4340	8cca596253bb36dc82b1c26d593104ca5b463f72cebc8a6df1009176a25244a9.exe
4340	8cca596253bb36dc82b1c26d593104ca5b463f72cebc8a6df1009176a25244a9.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4340 wrote to memory of 4052	4340	8cca596253bb36dc82b1c26d593104ca5b463f72cebc8a6df1009176a25244a9.exe	84
PID 4340 wrote to memory of 4052	4340	8cca596253bb36dc82b1c26d593104ca5b463f72cebc8a6df1009176a25244a9.exe	84
PID 4340 wrote to memory of 4052	4340	8cca596253bb36dc82b1c26d593104ca5b463f72cebc8a6df1009176a25244a9.exe	84
PID 4340 wrote to memory of 4820	4340	8cca596253bb36dc82b1c26d593104ca5b463f72cebc8a6df1009176a25244a9.exe	87
PID 4340 wrote to memory of 4820	4340	8cca596253bb36dc82b1c26d593104ca5b463f72cebc8a6df1009176a25244a9.exe	87
PID 4340 wrote to memory of 4820	4340	8cca596253bb36dc82b1c26d593104ca5b463f72cebc8a6df1009176a25244a9.exe	87
PID 4820 wrote to memory of 948	4820	N.exe	89
PID 4820 wrote to memory of 948	4820	N.exe	89
PID 4820 wrote to memory of 948	4820	N.exe	89
PID 5104 wrote to memory of 4560	5104	TXPlatfor.exe	90
PID 5104 wrote to memory of 4560	5104	TXPlatfor.exe	90
PID 5104 wrote to memory of 4560	5104	TXPlatfor.exe	90
PID 4340 wrote to memory of 1432	4340	8cca596253bb36dc82b1c26d593104ca5b463f72cebc8a6df1009176a25244a9.exe	91
PID 4340 wrote to memory of 1432	4340	8cca596253bb36dc82b1c26d593104ca5b463f72cebc8a6df1009176a25244a9.exe	91
PID 948 wrote to memory of 2076	948	cmd.exe	94
PID 948 wrote to memory of 2076	948	cmd.exe	94
PID 948 wrote to memory of 2076	948	cmd.exe	94
PID 4836 wrote to memory of 1836	4836	svchost.exe	95
PID 4836 wrote to memory of 1836	4836	svchost.exe	95
PID 4836 wrote to memory of 1836	4836	svchost.exe	95

C:\Users\Admin\AppData\Local\Temp\8cca596253bb36dc82b1c26d593104ca5b463f72cebc8a6df1009176a25244a9.exe
"C:\Users\Admin\AppData\Local\Temp\8cca596253bb36dc82b1c26d593104ca5b463f72cebc8a6df1009176a25244a9.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4340
- 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:4052
- 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:4820
- - 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:948
  - - 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:2076
- C:\Users\Admin\AppData\Local\Temp\HD_8cca596253bb36dc82b1c26d593104ca5b463f72cebc8a6df1009176a25244a9.exe
  C:\Users\Admin\AppData\Local\Temp\HD_8cca596253bb36dc82b1c26d593104ca5b463f72cebc8a6df1009176a25244a9.exe
  2⤵
  - Executes dropped EXE
  PID:1432

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:5048

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:4836
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240624593.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1836

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:5104
- 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:4560

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_8cca596253bb36dc82b1c26d593104ca5b463f72cebc8a6df1009176a25244a9.exe

Filesize
4.0MB

MD5
5ff264a8bb27a9b819413d98e4af0f32

SHA1
70e07e0fc524e6f694cab3d4b3a9f59a565f8cf3

SHA256
1cb4bdd4a6628b69202c7292158239665e6647f9e94c93d2044937ab1225e0a8

SHA512
e53dae369eff5c0f986621bdd1b0d2bbdf3f77b4d6329e6c5b2b36241469ce230952e75a9c9dd406fb9964aceec620b4b0cc9b81a72e90cbf6ed40ae96bc7945

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\240624593.txt

Filesize
899KB

MD5
913e9e8a01d478d8e099b5b39085464d

SHA1
bb0f3f263eb14a03a6e50ba22cc0870771bd9792

SHA256
84662258c9f9d4180c60a65e4fa973b9d01bb6612afd8fdc7608bad0338b73d6

SHA512
ab4fdc25c2ba14e76bbf5bfc8024dd37932061740e5e083b6c8dba57874ce14c8afcbc65adb479d9e6cf061acb2ed5acfb66a51043d18287c1baeb0be5cf3d35

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/4560-56-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4560-54-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4560-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4820-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4820-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4820-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4820-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5104-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5104-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5104-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download