gh0strat | 520189a7c1619c6ee286792e7a2e96ee0c856d3b53f3e7d1522cd9ed0af12bb5

General

Target

520189a7c1619c6ee286792e7a2e96ee0c856d3b53f3e7d1522cd9ed0af12bb5.exe
Size

1.5MB
MD5

e69f79808c3838d0b7bb9276ed013139
SHA1

205b742ab62b0248d1fe5a6ca4b35306203851ef
SHA256

520189a7c1619c6ee286792e7a2e96ee0c856d3b53f3e7d1522cd9ed0af12bb5
SHA512

c2c577f533da7af34f1e9f978a5b5dac2f5f174685843424242477682572f87d2b35625494bb39b2e8d56a056561dd0ae1bb5bfea746e11d720145294be0ea0b
SSDEEP

24576:tQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVLkykkkkekkkokkkkM3M4Y+WNs:tQZAdVyVT9n/Gg0P+WhoUkykkkkekkk/

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/4056-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4056-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4056-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4996-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4996-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4996-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4996-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5000-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5000-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5000-73-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4056-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4056-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4056-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4996-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4996-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4996-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4996-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x0007000000023ca2-33.dat	family_gh0strat
behavioral2/memory/5000-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5000-45-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5000-73-0x0000000010000000-0x00000000101B6000-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

Processes:

TXPlatforn.exe

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

Processes:

svchos.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\240621984.txt"	svchos.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

TXPlatforn.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatforn.exe

Executes dropped EXE 5 IoCs

Processes:

svchost.exeTXPlatforn.exesvchos.exeTXPlatforn.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	Process
4056	svchost.exe
4996	TXPlatforn.exe
1812	svchos.exe
5000	TXPlatforn.exe
4076	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 3 IoCs

Processes:

svchos.exesvchost.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	Process
1812	svchos.exe
2552	svchost.exe
4076	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Drops file in System32 directory 6 IoCs

Processes:

svchost.exesvchos.exesvchost.exe

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File created	C:\Windows\SysWOW64\240621984.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
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe

UPX packed file 12 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4056-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4056-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4056-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4056-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4996-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4996-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4996-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4996-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4996-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5000-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5000-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5000-73-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 5 IoCs

Processes:

520189a7c1619c6ee286792e7a2e96ee0c856d3b53f3e7d1522cd9ed0af12bb5.exe

description	ioc	Process
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	520189a7c1619c6ee286792e7a2e96ee0c856d3b53f3e7d1522cd9ed0af12bb5.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	520189a7c1619c6ee286792e7a2e96ee0c856d3b53f3e7d1522cd9ed0af12bb5.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	520189a7c1619c6ee286792e7a2e96ee0c856d3b53f3e7d1522cd9ed0af12bb5.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	520189a7c1619c6ee286792e7a2e96ee0c856d3b53f3e7d1522cd9ed0af12bb5.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	520189a7c1619c6ee286792e7a2e96ee0c856d3b53f3e7d1522cd9ed0af12bb5.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

Processes:

520189a7c1619c6ee286792e7a2e96ee0c856d3b53f3e7d1522cd9ed0af12bb5.exesvchost.exesvchos.exeTXPlatforn.exesvchost.execmd.exePING.EXEÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	520189a7c1619c6ee286792e7a2e96ee0c856d3b53f3e7d1522cd9ed0af12bb5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchos.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.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

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

Processes:

cmd.exePING.EXE

pid	Process
4516	cmd.exe
2328	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
2328	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid	Process
5000	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeTXPlatforn.exe

description	pid	Process
Token: SeIncBasePriorityPrivilege	4056	svchost.exe
Token: SeLoadDriverPrivilege	5000	TXPlatforn.exe
Token: 33	5000	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	5000	TXPlatforn.exe
Token: 33	5000	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	5000	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

520189a7c1619c6ee286792e7a2e96ee0c856d3b53f3e7d1522cd9ed0af12bb5.exe

pid	Process
4708	520189a7c1619c6ee286792e7a2e96ee0c856d3b53f3e7d1522cd9ed0af12bb5.exe
4708	520189a7c1619c6ee286792e7a2e96ee0c856d3b53f3e7d1522cd9ed0af12bb5.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

520189a7c1619c6ee286792e7a2e96ee0c856d3b53f3e7d1522cd9ed0af12bb5.exesvchost.exeTXPlatforn.execmd.exesvchost.exe

description	pid	Process	procid_target
PID 4708 wrote to memory of 4056	4708	520189a7c1619c6ee286792e7a2e96ee0c856d3b53f3e7d1522cd9ed0af12bb5.exe	84
PID 4708 wrote to memory of 4056	4708	520189a7c1619c6ee286792e7a2e96ee0c856d3b53f3e7d1522cd9ed0af12bb5.exe	84
PID 4708 wrote to memory of 4056	4708	520189a7c1619c6ee286792e7a2e96ee0c856d3b53f3e7d1522cd9ed0af12bb5.exe	84
PID 4056 wrote to memory of 4516	4056	svchost.exe	86
PID 4056 wrote to memory of 4516	4056	svchost.exe	86
PID 4056 wrote to memory of 4516	4056	svchost.exe	86
PID 4708 wrote to memory of 1812	4708	520189a7c1619c6ee286792e7a2e96ee0c856d3b53f3e7d1522cd9ed0af12bb5.exe	87
PID 4708 wrote to memory of 1812	4708	520189a7c1619c6ee286792e7a2e96ee0c856d3b53f3e7d1522cd9ed0af12bb5.exe	87
PID 4708 wrote to memory of 1812	4708	520189a7c1619c6ee286792e7a2e96ee0c856d3b53f3e7d1522cd9ed0af12bb5.exe	87
PID 4996 wrote to memory of 5000	4996	TXPlatforn.exe	89
PID 4996 wrote to memory of 5000	4996	TXPlatforn.exe	89
PID 4996 wrote to memory of 5000	4996	TXPlatforn.exe	89
PID 4516 wrote to memory of 2328	4516	cmd.exe	93
PID 4516 wrote to memory of 2328	4516	cmd.exe	93
PID 4516 wrote to memory of 2328	4516	cmd.exe	93
PID 2552 wrote to memory of 4076	2552	svchost.exe	96
PID 2552 wrote to memory of 4076	2552	svchost.exe	96
PID 2552 wrote to memory of 4076	2552	svchost.exe	96

C:\Users\Admin\AppData\Local\Temp\520189a7c1619c6ee286792e7a2e96ee0c856d3b53f3e7d1522cd9ed0af12bb5.exe
"C:\Users\Admin\AppData\Local\Temp\520189a7c1619c6ee286792e7a2e96ee0c856d3b53f3e7d1522cd9ed0af12bb5.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4708
- 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:4056
- - 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:4516
  - - 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:2328
- 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:1812

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:4996
- 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:5000

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:4528

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:2552
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240621984.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4076

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

Replay Monitor

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Downloads

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

Filesize
1.5MB

MD5
e69f79808c3838d0b7bb9276ed013139

SHA1
205b742ab62b0248d1fe5a6ca4b35306203851ef

SHA256
520189a7c1619c6ee286792e7a2e96ee0c856d3b53f3e7d1522cd9ed0af12bb5

SHA512
c2c577f533da7af34f1e9f978a5b5dac2f5f174685843424242477682572f87d2b35625494bb39b2e8d56a056561dd0ae1bb5bfea746e11d720145294be0ea0b

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\240621984.txt

Filesize
50KB

MD5
09a41a2e1987039df2c465fbc66f3266

SHA1
74f1420190ed266759a17671e1c41e934f5e37ce

SHA256
7264cb634110a647e27a0abcf2ab464ac1a738d5e7601249cb88cbeda1a75890

SHA512
160b0bc5ff12d89bd918eaf067f7d0df1d7f10524afadb193688685cab864fecfb78e7143934f59df52c526a719042445700665567448a580991668c212e9fc9

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/4056-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4056-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4056-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4056-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4996-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4996-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4996-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4996-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4996-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5000-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5000-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5000-73-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads