gh0strat | 63f57f1dea0144625b94685e60aaebca5151c8563ba6f57c17a9a05dfb153147

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
06-11-2024 22:10

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General

Target

63f57f1dea0144625b94685e60aaebca5151c8563ba6f57c17a9a05dfb153147.exe
Size

4.2MB
MD5

5b32cbe63dd9379f9b72ed889f3478bf
SHA1

8c54b1e34dc232b07572370ca024dec3f87786e8
SHA256

63f57f1dea0144625b94685e60aaebca5151c8563ba6f57c17a9a05dfb153147
SHA512

2dd6038478364216714be07a973e71386af89084016843863fc53673d8e2d8effc51b7a602d62df35b3b0f19f1bd400d98b3992a770d2fae98f4227679821ca6
SSDEEP

98304:bws2ANnKXOaeOgmhRacsSKazFWSJ8NfZNxmSxzHBhX:9KXbeO7vaKMSmf1mazf

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/2304-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2304-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2904-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2904-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2904-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2904-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2904-51-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/files/0x0007000000015d79-6.dat	family_gh0strat
behavioral1/memory/2304-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2304-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2904-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2904-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2904-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2904-48-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2904-51-0x0000000010000000-0x00000000101B6000-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\\259434717.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 7 IoCs

pid	Process
1672	R.exe
2304	N.exe
2124	TXPlatfor.exe
2968	HD_63f57f1dea0144625b94685e60aaebca5151c8563ba6f57c17a9a05dfb153147.exe
2904	TXPlatfor.exe
1176	Process not Found
2736	Remote Data.exe

Loads dropped DLL 8 IoCs

pid	Process
1784	63f57f1dea0144625b94685e60aaebca5151c8563ba6f57c17a9a05dfb153147.exe
1672	R.exe
3056	svchost.exe
1784	63f57f1dea0144625b94685e60aaebca5151c8563ba6f57c17a9a05dfb153147.exe
1784	63f57f1dea0144625b94685e60aaebca5151c8563ba6f57c17a9a05dfb153147.exe
2124	TXPlatfor.exe
3056	svchost.exe
2736	Remote Data.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259434717.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 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2304-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2304-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2304-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2904-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2904-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2904-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2904-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2904-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2904-51-0x0000000010000000-0x00000000101B6000-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	63f57f1dea0144625b94685e60aaebca5151c8563ba6f57c17a9a05dfb153147.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
1044	PING.EXE
2848	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1044	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1784	63f57f1dea0144625b94685e60aaebca5151c8563ba6f57c17a9a05dfb153147.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2904	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2304	N.exe
Token: SeLoadDriverPrivilege	2904	TXPlatfor.exe
Token: 33	2904	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2904	TXPlatfor.exe
Token: 33	2904	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2904	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1784	63f57f1dea0144625b94685e60aaebca5151c8563ba6f57c17a9a05dfb153147.exe
1784	63f57f1dea0144625b94685e60aaebca5151c8563ba6f57c17a9a05dfb153147.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 1784 wrote to memory of 1672	1784	63f57f1dea0144625b94685e60aaebca5151c8563ba6f57c17a9a05dfb153147.exe	30
PID 1784 wrote to memory of 1672	1784	63f57f1dea0144625b94685e60aaebca5151c8563ba6f57c17a9a05dfb153147.exe	30
PID 1784 wrote to memory of 1672	1784	63f57f1dea0144625b94685e60aaebca5151c8563ba6f57c17a9a05dfb153147.exe	30
PID 1784 wrote to memory of 1672	1784	63f57f1dea0144625b94685e60aaebca5151c8563ba6f57c17a9a05dfb153147.exe	30
PID 1784 wrote to memory of 2304	1784	63f57f1dea0144625b94685e60aaebca5151c8563ba6f57c17a9a05dfb153147.exe	33
PID 1784 wrote to memory of 2304	1784	63f57f1dea0144625b94685e60aaebca5151c8563ba6f57c17a9a05dfb153147.exe	33
PID 1784 wrote to memory of 2304	1784	63f57f1dea0144625b94685e60aaebca5151c8563ba6f57c17a9a05dfb153147.exe	33
PID 1784 wrote to memory of 2304	1784	63f57f1dea0144625b94685e60aaebca5151c8563ba6f57c17a9a05dfb153147.exe	33
PID 1784 wrote to memory of 2304	1784	63f57f1dea0144625b94685e60aaebca5151c8563ba6f57c17a9a05dfb153147.exe	33
PID 1784 wrote to memory of 2304	1784	63f57f1dea0144625b94685e60aaebca5151c8563ba6f57c17a9a05dfb153147.exe	33
PID 1784 wrote to memory of 2304	1784	63f57f1dea0144625b94685e60aaebca5151c8563ba6f57c17a9a05dfb153147.exe	33
PID 2304 wrote to memory of 2848	2304	N.exe	35
PID 2304 wrote to memory of 2848	2304	N.exe	35
PID 2304 wrote to memory of 2848	2304	N.exe	35
PID 2304 wrote to memory of 2848	2304	N.exe	35
PID 1784 wrote to memory of 2968	1784	63f57f1dea0144625b94685e60aaebca5151c8563ba6f57c17a9a05dfb153147.exe	37
PID 1784 wrote to memory of 2968	1784	63f57f1dea0144625b94685e60aaebca5151c8563ba6f57c17a9a05dfb153147.exe	37
PID 1784 wrote to memory of 2968	1784	63f57f1dea0144625b94685e60aaebca5151c8563ba6f57c17a9a05dfb153147.exe	37
PID 1784 wrote to memory of 2968	1784	63f57f1dea0144625b94685e60aaebca5151c8563ba6f57c17a9a05dfb153147.exe	37
PID 2124 wrote to memory of 2904	2124	TXPlatfor.exe	38
PID 2124 wrote to memory of 2904	2124	TXPlatfor.exe	38
PID 2124 wrote to memory of 2904	2124	TXPlatfor.exe	38
PID 2124 wrote to memory of 2904	2124	TXPlatfor.exe	38
PID 2124 wrote to memory of 2904	2124	TXPlatfor.exe	38
PID 2124 wrote to memory of 2904	2124	TXPlatfor.exe	38
PID 2124 wrote to memory of 2904	2124	TXPlatfor.exe	38
PID 2848 wrote to memory of 1044	2848	cmd.exe	39
PID 2848 wrote to memory of 1044	2848	cmd.exe	39
PID 2848 wrote to memory of 1044	2848	cmd.exe	39
PID 2848 wrote to memory of 1044	2848	cmd.exe	39
PID 3056 wrote to memory of 2736	3056	svchost.exe	41
PID 3056 wrote to memory of 2736	3056	svchost.exe	41
PID 3056 wrote to memory of 2736	3056	svchost.exe	41
PID 3056 wrote to memory of 2736	3056	svchost.exe	41

C:\Users\Admin\AppData\Local\Temp\63f57f1dea0144625b94685e60aaebca5151c8563ba6f57c17a9a05dfb153147.exe
"C:\Users\Admin\AppData\Local\Temp\63f57f1dea0144625b94685e60aaebca5151c8563ba6f57c17a9a05dfb153147.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1784
- 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:1672
- 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:2304
- - 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:2848
  - - 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:1044
- C:\Users\Admin\AppData\Local\Temp\HD_63f57f1dea0144625b94685e60aaebca5151c8563ba6f57c17a9a05dfb153147.exe
  C:\Users\Admin\AppData\Local\Temp\HD_63f57f1dea0144625b94685e60aaebca5151c8563ba6f57c17a9a05dfb153147.exe
  2⤵
  - Executes dropped EXE
  PID:2968

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2608

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:3056
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259434717.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2736

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:2124
- 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:2904

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\Desktop\BlockFind.exe

Filesize
4.7MB

MD5
d108ffbe661c1a78bdfa8606bb261863

SHA1
01dcb160342d418d649c3f57661d683a712a1e6d

SHA256
982f0e25065efbe1e456c83c023548cbbc71df037ce3770dcded8ce36e02aef4

SHA512
d3c511890389ddbca1842a63d3ff57ca08a0e302174c229660f05d1fae8e894f589b9ee74c23fdeb4481078269d85acbddd85fbea736dd11ad6dea259bae64b4

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

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\Users\Admin\AppData\Local\Temp\HD_63f57f1dea0144625b94685e60aaebca5151c8563ba6f57c17a9a05dfb153147.exe

Filesize
383KB

MD5
d9cfee8d0e2cd4d658f2a82d08d797d0

SHA1
7f76c94d669e24924fe76acea4b3d780cdb67f5d

SHA256
bcd3a6326c2217030b70c72d24f30b14a09e2b77529dfb120f6482b2483a411b

SHA512
189ce00d9f2e93198fe735fa4c9618f7f62b33e17ceb685bf5ab31cb911e5281e89c7813b4d64bab829db04dc3e64cb00095343855ddb6b5c8c2b15646139a4c

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259434717.txt

Filesize
899KB

MD5
e91ef577c4708fa54f7702ba54af5e6c

SHA1
a138a54b6b56da286e50a2d9a2347cb322f53d34

SHA256
1b369b3a7679b7f62458d7b1be1b03ee72e3aa3d4cc282d142b224b1629009ea

SHA512
597d706b6291c7b2db67615e362702861e83dff96af61ca1178da63925508fee92c49230d7b1e55e35fe2cfe1971f98e65b7988c39bb53485b4de3bb300c675b

Download Submit
memory/2304-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2304-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2304-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2904-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2904-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2904-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2904-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2904-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2904-51-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download