gh0strat | a96fc2d0e4efca1a91d909fe710e10e2107fec760bcbacc25aee7e4b01860b99

General

Target

a96fc2d0e4efca1a91d909fe710e10e2107fec760bcbacc25aee7e4b01860b99.exe
Size

2.0MB
MD5

52529a0e168ad7505528974a41672c2a
SHA1

2c6be8e1a267631e38ad45dacf1b313b1f958f35
SHA256

a96fc2d0e4efca1a91d909fe710e10e2107fec760bcbacc25aee7e4b01860b99
SHA512

50f37bbb525b598e88e2c82057c823f7d5a0725ba5bcefd2872615d46af7b79db1e11c509fcc5b7629c858248a5e660d9abf4ec95afe64e673972b916422ca5a
SSDEEP

49152:gQZAdVyVT9n/Gg0P+Whojpe9D4Fdf6zqgmnpeapeT:pGdVyVT9nOgmhfKMeQvT

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 12 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/4780-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4780-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4780-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4884-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4884-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4884-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3304-56-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3304-55-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3304-78-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3304-88-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3304-89-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4884-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 13 IoCs

resource	yara_rule
behavioral2/memory/4780-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4780-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4780-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4884-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4884-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4884-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x0007000000023493-31.dat	family_gh0strat
behavioral2/memory/3304-56-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3304-55-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3304-78-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3304-88-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3304-89-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4884-15-0x0000000010000000-0x00000000101B6000-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\\240616406.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 6 IoCs

pid	Process
4780	svchost.exe
4884	TXPlatforn.exe
3304	TXPlatforn.exe
4184	svchos.exe
3124	HD_a96fc2d0e4efca1a91d909fe710e10e2107fec760bcbacc25aee7e4b01860b99.exe
2008	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 3 IoCs

pid	Process
4184	svchos.exe
4632	svchost.exe
2008	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
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\240616406.txt	svchos.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	svchos.exe
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

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4780-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4780-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4780-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4780-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4884-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4884-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4884-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3304-56-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3304-55-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3304-51-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3304-78-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3304-88-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3304-89-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4884-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4884-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	a96fc2d0e4efca1a91d909fe710e10e2107fec760bcbacc25aee7e4b01860b99.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	a96fc2d0e4efca1a91d909fe710e10e2107fec760bcbacc25aee7e4b01860b99.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	a96fc2d0e4efca1a91d909fe710e10e2107fec760bcbacc25aee7e4b01860b99.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	a96fc2d0e4efca1a91d909fe710e10e2107fec760bcbacc25aee7e4b01860b99.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	a96fc2d0e4efca1a91d909fe710e10e2107fec760bcbacc25aee7e4b01860b99.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	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
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	a96fc2d0e4efca1a91d909fe710e10e2107fec760bcbacc25aee7e4b01860b99.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
3084	cmd.exe
944	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
944	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1484	a96fc2d0e4efca1a91d909fe710e10e2107fec760bcbacc25aee7e4b01860b99.exe
1484	a96fc2d0e4efca1a91d909fe710e10e2107fec760bcbacc25aee7e4b01860b99.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3304	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4780	svchost.exe
Token: SeLoadDriverPrivilege	3304	TXPlatforn.exe
Token: 33	3304	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3304	TXPlatforn.exe
Token: 33	3304	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3304	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1484	a96fc2d0e4efca1a91d909fe710e10e2107fec760bcbacc25aee7e4b01860b99.exe
1484	a96fc2d0e4efca1a91d909fe710e10e2107fec760bcbacc25aee7e4b01860b99.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1484 wrote to memory of 4780	1484	a96fc2d0e4efca1a91d909fe710e10e2107fec760bcbacc25aee7e4b01860b99.exe	82
PID 1484 wrote to memory of 4780	1484	a96fc2d0e4efca1a91d909fe710e10e2107fec760bcbacc25aee7e4b01860b99.exe	82
PID 1484 wrote to memory of 4780	1484	a96fc2d0e4efca1a91d909fe710e10e2107fec760bcbacc25aee7e4b01860b99.exe	82
PID 4884 wrote to memory of 3304	4884	TXPlatforn.exe	84
PID 4884 wrote to memory of 3304	4884	TXPlatforn.exe	84
PID 4884 wrote to memory of 3304	4884	TXPlatforn.exe	84
PID 4780 wrote to memory of 3084	4780	svchost.exe	85
PID 4780 wrote to memory of 3084	4780	svchost.exe	85
PID 4780 wrote to memory of 3084	4780	svchost.exe	85
PID 1484 wrote to memory of 4184	1484	a96fc2d0e4efca1a91d909fe710e10e2107fec760bcbacc25aee7e4b01860b99.exe	87
PID 1484 wrote to memory of 4184	1484	a96fc2d0e4efca1a91d909fe710e10e2107fec760bcbacc25aee7e4b01860b99.exe	87
PID 1484 wrote to memory of 4184	1484	a96fc2d0e4efca1a91d909fe710e10e2107fec760bcbacc25aee7e4b01860b99.exe	87
PID 3084 wrote to memory of 944	3084	cmd.exe	91
PID 3084 wrote to memory of 944	3084	cmd.exe	91
PID 3084 wrote to memory of 944	3084	cmd.exe	91
PID 4632 wrote to memory of 2008	4632	svchost.exe	92
PID 4632 wrote to memory of 2008	4632	svchost.exe	92
PID 4632 wrote to memory of 2008	4632	svchost.exe	92

C:\Users\Admin\AppData\Local\Temp\a96fc2d0e4efca1a91d909fe710e10e2107fec760bcbacc25aee7e4b01860b99.exe
"C:\Users\Admin\AppData\Local\Temp\a96fc2d0e4efca1a91d909fe710e10e2107fec760bcbacc25aee7e4b01860b99.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:1484
- 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:4780
- - 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:3084
  - - 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:944
- 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:4184
- C:\Users\Admin\AppData\Local\Temp\HD_a96fc2d0e4efca1a91d909fe710e10e2107fec760bcbacc25aee7e4b01860b99.exe
  C:\Users\Admin\AppData\Local\Temp\HD_a96fc2d0e4efca1a91d909fe710e10e2107fec760bcbacc25aee7e4b01860b99.exe
  2⤵
  - Executes dropped EXE
  PID:3124

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:4884
- 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:3304

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2172

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:4632
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240616406.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2008

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
bb75c6a55b37ca7bca5e11d5da7a5879

SHA1
0a676a85bf0a1ea110881f79861794c1c1283e34

SHA256
729a07f4e8fc7abe225b7fee3999be066b7b82957916fa3684afe718d585cf99

SHA512
786acc8cc5a275f7789822adca4c2651c03721cca94a88853e3d1d888a55ec0c237e942179ae552e664954ab1cb724ea7eb5234c048225ba148d111ef33d28ce

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_a96fc2d0e4efca1a91d909fe710e10e2107fec760bcbacc25aee7e4b01860b99.exe

Filesize
502KB

MD5
e6172d8c04494833f5a7b79697c043ab

SHA1
3e52b78fcb7b27fdf30b96155da9f8de2654be68

SHA256
c4e94491a18c89c359863836973998598c3def27987243f9aee37d860f8da47e

SHA512
bb1ffabae142053eeb1d86b97b1b144a2826ec3bb37a7ab54916c201f9f70952e16c5271a46a1ecd5cdc7cd6da40a99a104d3adca73f413160049453d572588f

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\240616406.txt

Filesize
50KB

MD5
0d777845a31524be5f64a0479dca42bb

SHA1
647888148d06312436c369dbfb3b11266d932a21

SHA256
bd958046646377eb8dbcbecb5b86c89838f662769cb650471d8fafb2321c6d09

SHA512
ed337202888761602f3a800959016f868ad372c1db71e2322b3608490787b468421494b1a14ab639c0dfc057f18334da9375cdd3530ecb8e9f53c92cf88f48bd

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/3304-78-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3304-88-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3304-89-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3304-51-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3304-55-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3304-56-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4780-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4780-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4780-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4780-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4884-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4884-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4884-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4884-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4884-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads