gh0strat | ae71d35622348e5512d946eef5f1e995acfc9f9f37411382c144848e5554220f

General

Target

ae71d35622348e5512d946eef5f1e995acfc9f9f37411382c144848e5554220f.exe
Size

1.5MB
MD5

b6b6ebb7b53f7bd26192cdc07968d837
SHA1

9288e5bf4bab29b12adfbdcd1e76d43a5f0e7966
SHA256

ae71d35622348e5512d946eef5f1e995acfc9f9f37411382c144848e5554220f
SHA512

bbf5fe9b20da7a0c0434a7a7e03f61a4a70577630df6c43d8fc43714cde93faacf7247542950933e8e8ba4d3bd6862dad2a00c39af56badd9b4257851999a8a7
SSDEEP

24576:AQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVcPaj/GQU24N:AQZAdVyVT9n/Gg0P+WhoAj+Qp4N

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/2716-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2716-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2716-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2160-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2160-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2160-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2160-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2888-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2888-51-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2888-85-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral2/memory/2716-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2716-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2716-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2160-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2160-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2160-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x0007000000023486-29.dat	family_gh0strat
behavioral2/memory/2160-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2888-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2888-51-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2888-85-0x0000000010000000-0x00000000101B6000-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	TXPlatforn.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\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\240617578.txt"	svchos.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"	TXPlatforn.exe

Executes dropped EXE 5 IoCs

pid	Process
2716	svchost.exe
2160	TXPlatforn.exe
4964	svchos.exe
2888	TXPlatforn.exe
2992	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 3 IoCs

pid	Process
4964	svchos.exe
2776	svchost.exe
2992	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2716-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2716-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2716-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2716-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2160-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2160-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2160-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2160-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2160-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2888-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2888-51-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2888-85-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File created	C:\Windows\SysWOW64\240617578.txt	svchos.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	svchos.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	ae71d35622348e5512d946eef5f1e995acfc9f9f37411382c144848e5554220f.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	ae71d35622348e5512d946eef5f1e995acfc9f9f37411382c144848e5554220f.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	ae71d35622348e5512d946eef5f1e995acfc9f9f37411382c144848e5554220f.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	ae71d35622348e5512d946eef5f1e995acfc9f9f37411382c144848e5554220f.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	ae71d35622348e5512d946eef5f1e995acfc9f9f37411382c144848e5554220f.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	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ae71d35622348e5512d946eef5f1e995acfc9f9f37411382c144848e5554220f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchos.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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
2080	cmd.exe
3372	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3372	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2888	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2716	svchost.exe
Token: SeLoadDriverPrivilege	2888	TXPlatforn.exe
Token: 33	2888	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2888	TXPlatforn.exe
Token: 33	2888	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2888	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2512	ae71d35622348e5512d946eef5f1e995acfc9f9f37411382c144848e5554220f.exe
2512	ae71d35622348e5512d946eef5f1e995acfc9f9f37411382c144848e5554220f.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 2716	2512	ae71d35622348e5512d946eef5f1e995acfc9f9f37411382c144848e5554220f.exe	83
PID 2512 wrote to memory of 2716	2512	ae71d35622348e5512d946eef5f1e995acfc9f9f37411382c144848e5554220f.exe	83
PID 2512 wrote to memory of 2716	2512	ae71d35622348e5512d946eef5f1e995acfc9f9f37411382c144848e5554220f.exe	83
PID 2716 wrote to memory of 2080	2716	svchost.exe	88
PID 2716 wrote to memory of 2080	2716	svchost.exe	88
PID 2716 wrote to memory of 2080	2716	svchost.exe	88
PID 2512 wrote to memory of 4964	2512	ae71d35622348e5512d946eef5f1e995acfc9f9f37411382c144848e5554220f.exe	90
PID 2512 wrote to memory of 4964	2512	ae71d35622348e5512d946eef5f1e995acfc9f9f37411382c144848e5554220f.exe	90
PID 2512 wrote to memory of 4964	2512	ae71d35622348e5512d946eef5f1e995acfc9f9f37411382c144848e5554220f.exe	90
PID 2160 wrote to memory of 2888	2160	TXPlatforn.exe	89
PID 2160 wrote to memory of 2888	2160	TXPlatforn.exe	89
PID 2160 wrote to memory of 2888	2160	TXPlatforn.exe	89
PID 2080 wrote to memory of 3372	2080	cmd.exe	94
PID 2080 wrote to memory of 3372	2080	cmd.exe	94
PID 2080 wrote to memory of 3372	2080	cmd.exe	94
PID 2776 wrote to memory of 2992	2776	svchost.exe	98
PID 2776 wrote to memory of 2992	2776	svchost.exe	98
PID 2776 wrote to memory of 2992	2776	svchost.exe	98

C:\Users\Admin\AppData\Local\Temp\ae71d35622348e5512d946eef5f1e995acfc9f9f37411382c144848e5554220f.exe
"C:\Users\Admin\AppData\Local\Temp\ae71d35622348e5512d946eef5f1e995acfc9f9f37411382c144848e5554220f.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\\svchost.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:2716
- - 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\svchost.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2080
  - - 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:3372
- C:\Users\Admin\AppData\Local\Temp\svchos.exe
  C:\Users\Admin\AppData\Local\Temp\\svchos.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:4964

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2160
- C:\Windows\SysWOW64\TXPlatforn.exe
  C:\Windows\SysWOW64\TXPlatforn.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:2888

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:4188

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2776
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240617578.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2992

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

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
1.5MB

MD5
b6b6ebb7b53f7bd26192cdc07968d837

SHA1
9288e5bf4bab29b12adfbdcd1e76d43a5f0e7966

SHA256
ae71d35622348e5512d946eef5f1e995acfc9f9f37411382c144848e5554220f

SHA512
bbf5fe9b20da7a0c0434a7a7e03f61a4a70577630df6c43d8fc43714cde93faacf7247542950933e8e8ba4d3bd6862dad2a00c39af56badd9b4257851999a8a7

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

Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

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

Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
C:\Windows\SysWOW64\240617578.txt

Filesize
50KB

MD5
0bc737d8ef3fe598ff711a14dfe17b26

SHA1
5ffca3b61d3d578e1dea0b1f1dfc04dbe360c48f

SHA256
d52d74df2911f6115675d69b109f39cebd8307c21b6f5d76b4949e1238cddc51

SHA512
125eba159c95c173f9574001daa2166479cc320ffa1ed393ea2e5060f4a90ebf6300b1a40c70ada17e32c2d493724a83aaba32b9c08f21d9a87c61dd20cb2e2e

Download Submit
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/2160-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2160-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2160-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2160-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2160-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2716-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2716-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2716-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2716-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2888-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2888-51-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2888-85-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads