gh0strat | 509cfacf3ee6c32c39de215d22694d9e42a5643bb9145a971109f27214518a83

Analysis

max time kernel
150s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
14-10-2024 15:48

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General

Target

509cfacf3ee6c32c39de215d22694d9e42a5643bb9145a971109f27214518a83.exe
Size

2.5MB
MD5

3613453c9864c0b30bf76176b99459c1
SHA1

83b9032dff3215e2f31fc1f535b82bb1b3af81c3
SHA256

509cfacf3ee6c32c39de215d22694d9e42a5643bb9145a971109f27214518a83
SHA512

c1ef3e087adb2145dc801ba924577341405892c4677f99082befc812b24554fd9504d437c2475159a1984b25dc9732cb24c7f64d7ffeb42b6b98e4236b848a64
SSDEEP

24576:bCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHa:bCwsbCANnKXferL7Vwe/Gg0P+Wh64

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2872-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2872-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2632-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2632-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2632-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2632-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2632-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/files/0x0009000000017530-6.dat	family_gh0strat
behavioral1/memory/2872-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2872-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2632-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2632-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2632-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2632-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2632-43-0x0000000010000000-0x00000000101B6000-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
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan 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\\259499753.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
2124	R.exe
2872	N.exe
2812	TXPlatfor.exe
2632	TXPlatfor.exe
2568	Remote Data.exe

Loads dropped DLL 7 IoCs

pid	Process
2896	509cfacf3ee6c32c39de215d22694d9e42a5643bb9145a971109f27214518a83.exe
2124	R.exe
2752	svchost.exe
2896	509cfacf3ee6c32c39de215d22694d9e42a5643bb9145a971109f27214518a83.exe
2812	TXPlatfor.exe
2752	svchost.exe
2568	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\259499753.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 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2872-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2872-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2872-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2632-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2632-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2632-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2632-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2632-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2632-43-0x0000000010000000-0x00000000101B6000-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

description	ioc	Process
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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	509cfacf3ee6c32c39de215d22694d9e42a5643bb9145a971109f27214518a83.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
2912	cmd.exe
2648	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2648	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2632	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2872	N.exe
Token: SeLoadDriverPrivilege	2632	TXPlatfor.exe
Token: 33	2632	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2632	TXPlatfor.exe
Token: 33	2632	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2632	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2896	509cfacf3ee6c32c39de215d22694d9e42a5643bb9145a971109f27214518a83.exe
2896	509cfacf3ee6c32c39de215d22694d9e42a5643bb9145a971109f27214518a83.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 2124	2896	509cfacf3ee6c32c39de215d22694d9e42a5643bb9145a971109f27214518a83.exe	30
PID 2896 wrote to memory of 2124	2896	509cfacf3ee6c32c39de215d22694d9e42a5643bb9145a971109f27214518a83.exe	30
PID 2896 wrote to memory of 2124	2896	509cfacf3ee6c32c39de215d22694d9e42a5643bb9145a971109f27214518a83.exe	30
PID 2896 wrote to memory of 2124	2896	509cfacf3ee6c32c39de215d22694d9e42a5643bb9145a971109f27214518a83.exe	30
PID 2896 wrote to memory of 2872	2896	509cfacf3ee6c32c39de215d22694d9e42a5643bb9145a971109f27214518a83.exe	33
PID 2896 wrote to memory of 2872	2896	509cfacf3ee6c32c39de215d22694d9e42a5643bb9145a971109f27214518a83.exe	33
PID 2896 wrote to memory of 2872	2896	509cfacf3ee6c32c39de215d22694d9e42a5643bb9145a971109f27214518a83.exe	33
PID 2896 wrote to memory of 2872	2896	509cfacf3ee6c32c39de215d22694d9e42a5643bb9145a971109f27214518a83.exe	33
PID 2896 wrote to memory of 2872	2896	509cfacf3ee6c32c39de215d22694d9e42a5643bb9145a971109f27214518a83.exe	33
PID 2896 wrote to memory of 2872	2896	509cfacf3ee6c32c39de215d22694d9e42a5643bb9145a971109f27214518a83.exe	33
PID 2896 wrote to memory of 2872	2896	509cfacf3ee6c32c39de215d22694d9e42a5643bb9145a971109f27214518a83.exe	33
PID 2872 wrote to memory of 2912	2872	N.exe	35
PID 2872 wrote to memory of 2912	2872	N.exe	35
PID 2872 wrote to memory of 2912	2872	N.exe	35
PID 2872 wrote to memory of 2912	2872	N.exe	35
PID 2812 wrote to memory of 2632	2812	TXPlatfor.exe	36
PID 2812 wrote to memory of 2632	2812	TXPlatfor.exe	36
PID 2812 wrote to memory of 2632	2812	TXPlatfor.exe	36
PID 2812 wrote to memory of 2632	2812	TXPlatfor.exe	36
PID 2812 wrote to memory of 2632	2812	TXPlatfor.exe	36
PID 2812 wrote to memory of 2632	2812	TXPlatfor.exe	36
PID 2812 wrote to memory of 2632	2812	TXPlatfor.exe	36
PID 2912 wrote to memory of 2648	2912	cmd.exe	38
PID 2912 wrote to memory of 2648	2912	cmd.exe	38
PID 2912 wrote to memory of 2648	2912	cmd.exe	38
PID 2912 wrote to memory of 2648	2912	cmd.exe	38
PID 2752 wrote to memory of 2568	2752	svchost.exe	39
PID 2752 wrote to memory of 2568	2752	svchost.exe	39
PID 2752 wrote to memory of 2568	2752	svchost.exe	39
PID 2752 wrote to memory of 2568	2752	svchost.exe	39

C:\Users\Admin\AppData\Local\Temp\509cfacf3ee6c32c39de215d22694d9e42a5643bb9145a971109f27214518a83.exe
"C:\Users\Admin\AppData\Local\Temp\509cfacf3ee6c32c39de215d22694d9e42a5643bb9145a971109f27214518a83.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2896
- 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:2124
- 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:2872
- - 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:2912
  - - 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:2648

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2716

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:2752
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259499753.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2568

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2812
- 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:2632

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

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Downloads

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

Filesize
2.5MB

MD5
3613453c9864c0b30bf76176b99459c1

SHA1
83b9032dff3215e2f31fc1f535b82bb1b3af81c3

SHA256
509cfacf3ee6c32c39de215d22694d9e42a5643bb9145a971109f27214518a83

SHA512
c1ef3e087adb2145dc801ba924577341405892c4677f99082befc812b24554fd9504d437c2475159a1984b25dc9732cb24c7f64d7ffeb42b6b98e4236b848a64

Download Submit
C:\Users\Admin\AppData\Local\Temp\N.exe

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
\Users\Admin\AppData\Local\Temp\R.exe

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259499753.txt

Filesize
899KB

MD5
4ab07cf91f977fa4e93d81cdadcde1c3

SHA1
a7569859c64b9af9441a132d4d6eda744ae31675

SHA256
4a4122a80631be93abe694effcb8f93cba8465e8a2f2636add7fa4e1ea7001b2

SHA512
59d54cd2ab5bcfbc0f10e8d81e6acb9ee942b0111cfa2bdb90bd2feed7e1abf2b29637f219912cf57b5221ae340371468e64f5180493624aa3830169197c4580

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2632-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2632-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2632-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2632-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2632-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2632-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2872-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2872-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2872-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads