gh0strat | 66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745

Analysis

max time kernel
150s
max time network
151s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 03:41

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General

Target

66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe
Size

1.2MB
MD5

294b014ca8b85a350f354ca6ce5b999e
SHA1

04a82d3baee5722f484c6449f5cd77db3f1e0fd1
SHA256

66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745
SHA512

6e0c295325685967889221a9bbb40b225383b2bf47692ce9b78794528f55636962440eb1c7912eab7b69fcc4337fe81df95039c5806561e3f449daf1aad4a5bc
SSDEEP

24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtiw:WIwgMEuy+inDfp3/XoCw57XYBwKw

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx vmprotect

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/1300-24-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit
behavioral1/memory/1300-23-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit
behavioral1/memory/2912-44-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit
behavioral1/memory/2912-46-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit
behavioral1/memory/2912-52-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x0008000000016c58-14.dat	family_gh0strat
behavioral1/memory/1300-24-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/1300-23-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/2912-44-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/2912-46-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/2912-52-0x0000000010000000-0x00000000101BA000-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	Ghiya.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"	Ghiya.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win.lnk	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe

Executes dropped EXE 5 IoCs

pid	Process
2004	AK47.exe
1168	AK47.exe
1300	AK74.exe
2756	Ghiya.exe
2912	Ghiya.exe

Loads dropped DLL 7 IoCs

pid	Process
1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe
1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe
2004	AK47.exe
1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe
2756	Ghiya.exe
1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe
1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe

VMProtect packed file 11 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/memory/1076-0-0x0000000000400000-0x0000000000760000-memory.dmp	vmprotect
behavioral1/memory/1076-1-0x0000000000400000-0x0000000000760000-memory.dmp	vmprotect
behavioral1/memory/1076-54-0x0000000002640000-0x0000000002650000-memory.dmp	vmprotect
behavioral1/files/0x0007000000016d0b-53.dat	vmprotect
behavioral1/memory/1076-63-0x0000000000400000-0x0000000000760000-memory.dmp	vmprotect
behavioral1/memory/1076-68-0x0000000000400000-0x0000000000760000-memory.dmp	vmprotect
behavioral1/memory/1076-71-0x0000000000400000-0x0000000000760000-memory.dmp	vmprotect
behavioral1/memory/1076-75-0x0000000000400000-0x0000000000760000-memory.dmp	vmprotect
behavioral1/memory/1076-78-0x0000000000400000-0x0000000000760000-memory.dmp	vmprotect
behavioral1/memory/1076-81-0x0000000000400000-0x0000000000760000-memory.dmp	vmprotect
behavioral1/memory/1076-84-0x0000000000400000-0x0000000000760000-memory.dmp	vmprotect

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\360safo = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\svchcst.exe"	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259428835.txt	AK47.exe
File created	C:\Windows\SysWOW64\259428835.txt	AK47.exe
File created	C:\Windows\SysWOW64\Ghiya.exe	AK74.exe
File opened for modification	C:\Windows\SysWOW64\Ghiya.exe	AK74.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1300-21-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/1300-24-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/1300-23-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2912-44-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2912-46-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2912-52-0x0000000010000000-0x00000000101BA000-memory.dmp	upx

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	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AK47.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AK47.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AK74.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ghiya.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
3056	PING.EXE
2800	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3056	PING.EXE

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe
1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe
1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe
1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe
1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe
1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe
1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe
1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2912	Ghiya.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1300	AK74.exe
Token: SeLoadDriverPrivilege	2912	Ghiya.exe
Token: 33	2912	Ghiya.exe
Token: SeIncBasePriorityPrivilege	2912	Ghiya.exe
Token: 33	2912	Ghiya.exe
Token: SeIncBasePriorityPrivilege	2912	Ghiya.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe
1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 1076 wrote to memory of 2004	1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe	30
PID 1076 wrote to memory of 2004	1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe	30
PID 1076 wrote to memory of 2004	1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe	30
PID 1076 wrote to memory of 2004	1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe	30
PID 1076 wrote to memory of 1168	1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe	31
PID 1076 wrote to memory of 1168	1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe	31
PID 1076 wrote to memory of 1168	1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe	31
PID 1076 wrote to memory of 1168	1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe	31
PID 1076 wrote to memory of 1300	1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe	32
PID 1076 wrote to memory of 1300	1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe	32
PID 1076 wrote to memory of 1300	1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe	32
PID 1076 wrote to memory of 1300	1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe	32
PID 1076 wrote to memory of 1300	1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe	32
PID 1076 wrote to memory of 1300	1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe	32
PID 1076 wrote to memory of 1300	1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe	32
PID 1300 wrote to memory of 2800	1300	AK74.exe	34
PID 1300 wrote to memory of 2800	1300	AK74.exe	34
PID 1300 wrote to memory of 2800	1300	AK74.exe	34
PID 1300 wrote to memory of 2800	1300	AK74.exe	34
PID 2756 wrote to memory of 2912	2756	Ghiya.exe	36
PID 2756 wrote to memory of 2912	2756	Ghiya.exe	36
PID 2756 wrote to memory of 2912	2756	Ghiya.exe	36
PID 2756 wrote to memory of 2912	2756	Ghiya.exe	36
PID 2756 wrote to memory of 2912	2756	Ghiya.exe	36
PID 2756 wrote to memory of 2912	2756	Ghiya.exe	36
PID 2756 wrote to memory of 2912	2756	Ghiya.exe	36
PID 2800 wrote to memory of 3056	2800	cmd.exe	37
PID 2800 wrote to memory of 3056	2800	cmd.exe	37
PID 2800 wrote to memory of 3056	2800	cmd.exe	37
PID 2800 wrote to memory of 3056	2800	cmd.exe	37
PID 1076 wrote to memory of 2612	1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe	38
PID 1076 wrote to memory of 2612	1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe	38
PID 1076 wrote to memory of 2612	1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe	38
PID 1076 wrote to memory of 2612	1076	66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe	38

C:\Users\Admin\AppData\Local\Temp\66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe
"C:\Users\Admin\AppData\Local\Temp\66b902b577a27ae23e31d84f7ada9e14327a0702346656434234e21148cce745.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1076
- C:\Users\Admin\AppData\Local\Temp\AK47.exe
  "C:\Users\Admin\AppData\Local\Temp\AK47.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2004
- C:\Users\Admin\AppData\Local\Temp\AK47.exe
  C:\Users\Admin\AppData\Local\Temp\\AK47.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:1168
- C:\Users\Admin\AppData\Local\Temp\AK74.exe
  C:\Users\Admin\AppData\Local\Temp\\AK74.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:1300
- - 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\AK74.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2800
  - - 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:3056
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2612

C:\Windows\SysWOW64\Ghiya.exe
C:\Windows\SysWOW64\Ghiya.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Windows\SysWOW64\Ghiya.exe
  C:\Windows\SysWOW64\Ghiya.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:2912

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

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\Roaming\Microsoft\Config.ini

Filesize
92B

MD5
29ce53e2a4a446614ccc8d64d346bde4

SHA1
39a7aa5cc1124842aa0c25abb16ea94452125cbe

SHA256
56225be6838bc6e93ea215891eacf28844ae27a9f8b2b29bf19d3a8c2b1f58df

SHA512
b2c5a2708c427171a5715801f8ea733ffe88d73aaaaf59c5c752ea32cbe7aae8526cc26eabe84ad5043174c0c69b1d6b15a9fb125c15accfac3462d5d08a0faa

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs

Filesize
753B

MD5
580d6758c927d6ca4b70e4df65dfb685

SHA1
72ed1a050d01de4f921807d120c61ad717de9a26

SHA256
dafdbeae6058863e995cafd05bad97b1c5b48be8d1fd568e4dd34a71131492ee

SHA512
4e29ed8e59ef58bc42f2b2a397b401256595fae663e6f9f4250b6620843cf238fccfab5dd0a1e454104324de2bb1f3b8f5f646dfa4eefe9de8e8505a9dc20dc7

Download Submit
\Users\Admin\AppData\Local\Temp\AK47.exe

Filesize
91KB

MD5
423eb994ed553294f8a6813619b8da87

SHA1
eca6a16ccd13adcfc27bc1041ddef97ec8081255

SHA256
050b4f2d5ae8eaecd414318dc8e222a56f169626da6ca8feb7edd78e8b1f0218

SHA512
fab0a9af8031c242c486de373df7277c8b0e39f7a0c9c2ac2e385dbd3ea67be16e91b128287634f76131e5264149ab1b452cd21df4c4895e8c4efc8d8cf99095

Download Submit
\Users\Admin\AppData\Local\Temp\AK74.exe

Filesize
400KB

MD5
b0998aa7d5071d33daa5b60b9c3c9735

SHA1
9365a1ff0c6de244d6f36c8d84072cc916665d3c

SHA256
3080b6bb456564899b0d99d4131bd6a0b284d31f7d80ef773e4872d94048d49a

SHA512
308c13cda9fea39b980ae686f44afd9090e9cb8970fffc4436320e0d09a31aee5e656914e0121fe888098a14c52749716fa04980396fd6ac70a88c11cbb6b850

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe

Filesize
1.2MB

MD5
6d23c736d18a59f51453d0ee7f951213

SHA1
bdfa4da7ba29cdccca3cfa27de68a780bd36b791

SHA256
256351b67ebf42aa91f5d7a9fd2f0d4f06cfbac1d1121bbaa36e5e7a9f40e43f

SHA512
db127a178004ae9c26a6c5fa10e089a9aa0348f45af7ab585f3aa3ecd06ff5920820fdda1278ff04b199245b64423645002f5540c16eea0523ef1d5c7e95f332

Download Submit
\Windows\SysWOW64\259428835.txt

Filesize
49KB

MD5
d03b9c0b60b0b859505cec2c7ca4ecda

SHA1
b1ec5f93e050258e52c0cc114c738e99795f106d

SHA256
c566454556295a2a124cdb68fb956dca3868211c41635dfdfa3db8ed05d2bc48

SHA512
95b1ad61e121e64d094932f3df9a9ceaea1d2223056b45a39f033a875735cdba0ccdf78f35e2de2a254bc6452a01dfac0703fb8b89ecf5f744a2f5479df29721

Download Submit
memory/1076-71-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/1076-63-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/1076-84-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/1076-81-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/1076-78-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/1076-54-0x0000000002640000-0x0000000002650000-memory.dmp

Filesize
64KB

Download
memory/1076-1-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/1076-75-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/1076-60-0x0000000002640000-0x0000000002650000-memory.dmp

Filesize
64KB

Download
memory/1076-0-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/1076-65-0x0000000002640000-0x0000000002650000-memory.dmp

Filesize
64KB

Download
memory/1076-68-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/1300-23-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/1300-21-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/1300-24-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2912-52-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2912-46-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2912-44-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download