gh0strat | 237d185bd2a453c3844e5af842b8598f4f2af237b0404821918ed042bb10c52b

General

Target

237d185bd2a453c3844e5af842b8598f4f2af237b0404821918ed042bb10c52b.exe
Size

4.7MB
MD5

96194541ead87aaf67c3e831863d5034
SHA1

6adfdb9ba911db396ea231b43083d98e2e2cf470
SHA256

237d185bd2a453c3844e5af842b8598f4f2af237b0404821918ed042bb10c52b
SHA512

5ff7e43dfa16ac9e15feb99f170b05de2400df62d13df0cd26e62772de97e3cd9e059d5caac3cf2399e299f695ffbdf9acf11079fc1ab84b1da48a12f4cd9e4f
SSDEEP

49152:SQZAdVyVT9n/Gg0P+WhowgIbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8w:LGdVyVT9nOgmhjgIbXsPN5kiQaZ56

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 11 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/1028-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1028-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1028-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1456-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1456-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1456-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5072-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5072-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1456-24-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5072-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5072-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

resource	yara_rule
behavioral2/memory/1028-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1028-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1028-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1456-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1456-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1456-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5072-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x00070000000234c6-30.dat	family_gh0strat
behavioral2/memory/5072-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1456-24-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5072-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5072-47-0x0000000010000000-0x00000000101B6000-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\\240631031.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
1028	svchost.exe
1456	TXPlatforn.exe
5072	TXPlatforn.exe
3384	svchos.exe
3544	HD_237d185bd2a453c3844e5af842b8598f4f2af237b0404821918ed042bb10c52b.exe
4876	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 3 IoCs

pid	Process
3384	svchos.exe
368	svchost.exe
4876	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1028-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1028-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1028-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1028-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1456-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1456-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1456-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1456-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5072-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5072-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1456-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5072-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5072-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
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\240631031.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

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	237d185bd2a453c3844e5af842b8598f4f2af237b0404821918ed042bb10c52b.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	237d185bd2a453c3844e5af842b8598f4f2af237b0404821918ed042bb10c52b.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	237d185bd2a453c3844e5af842b8598f4f2af237b0404821918ed042bb10c52b.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	237d185bd2a453c3844e5af842b8598f4f2af237b0404821918ed042bb10c52b.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	237d185bd2a453c3844e5af842b8598f4f2af237b0404821918ed042bb10c52b.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 9 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_237d185bd2a453c3844e5af842b8598f4f2af237b0404821918ed042bb10c52b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	237d185bd2a453c3844e5af842b8598f4f2af237b0404821918ed042bb10c52b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchos.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.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
3632	cmd.exe
2700	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2700	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3944	237d185bd2a453c3844e5af842b8598f4f2af237b0404821918ed042bb10c52b.exe
3944	237d185bd2a453c3844e5af842b8598f4f2af237b0404821918ed042bb10c52b.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
5072	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1028	svchost.exe
Token: SeLoadDriverPrivilege	5072	TXPlatforn.exe
Token: 33	5072	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	5072	TXPlatforn.exe
Token: 33	5072	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	5072	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3944	237d185bd2a453c3844e5af842b8598f4f2af237b0404821918ed042bb10c52b.exe
3944	237d185bd2a453c3844e5af842b8598f4f2af237b0404821918ed042bb10c52b.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3944 wrote to memory of 1028	3944	237d185bd2a453c3844e5af842b8598f4f2af237b0404821918ed042bb10c52b.exe	83
PID 3944 wrote to memory of 1028	3944	237d185bd2a453c3844e5af842b8598f4f2af237b0404821918ed042bb10c52b.exe	83
PID 3944 wrote to memory of 1028	3944	237d185bd2a453c3844e5af842b8598f4f2af237b0404821918ed042bb10c52b.exe	83
PID 1028 wrote to memory of 3632	1028	svchost.exe	85
PID 1028 wrote to memory of 3632	1028	svchost.exe	85
PID 1028 wrote to memory of 3632	1028	svchost.exe	85
PID 1456 wrote to memory of 5072	1456	TXPlatforn.exe	86
PID 1456 wrote to memory of 5072	1456	TXPlatforn.exe	86
PID 1456 wrote to memory of 5072	1456	TXPlatforn.exe	86
PID 3944 wrote to memory of 3384	3944	237d185bd2a453c3844e5af842b8598f4f2af237b0404821918ed042bb10c52b.exe	88
PID 3944 wrote to memory of 3384	3944	237d185bd2a453c3844e5af842b8598f4f2af237b0404821918ed042bb10c52b.exe	88
PID 3944 wrote to memory of 3384	3944	237d185bd2a453c3844e5af842b8598f4f2af237b0404821918ed042bb10c52b.exe	88
PID 3632 wrote to memory of 2700	3632	cmd.exe	89
PID 3632 wrote to memory of 2700	3632	cmd.exe	89
PID 3632 wrote to memory of 2700	3632	cmd.exe	89
PID 3944 wrote to memory of 3544	3944	237d185bd2a453c3844e5af842b8598f4f2af237b0404821918ed042bb10c52b.exe	92
PID 3944 wrote to memory of 3544	3944	237d185bd2a453c3844e5af842b8598f4f2af237b0404821918ed042bb10c52b.exe	92
PID 3944 wrote to memory of 3544	3944	237d185bd2a453c3844e5af842b8598f4f2af237b0404821918ed042bb10c52b.exe	92
PID 368 wrote to memory of 4876	368	svchost.exe	98
PID 368 wrote to memory of 4876	368	svchost.exe	98
PID 368 wrote to memory of 4876	368	svchost.exe	98

C:\Users\Admin\AppData\Local\Temp\237d185bd2a453c3844e5af842b8598f4f2af237b0404821918ed042bb10c52b.exe
"C:\Users\Admin\AppData\Local\Temp\237d185bd2a453c3844e5af842b8598f4f2af237b0404821918ed042bb10c52b.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:3944
- 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:1028
- - 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:3632
  - - 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:2700
- 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:3384
- C:\Users\Admin\AppData\Local\Temp\HD_237d185bd2a453c3844e5af842b8598f4f2af237b0404821918ed042bb10c52b.exe
  C:\Users\Admin\AppData\Local\Temp\HD_237d185bd2a453c3844e5af842b8598f4f2af237b0404821918ed042bb10c52b.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3544

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:1456
- 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:5072

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2168

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:368
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240631031.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4876

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\HD_237d185bd2a453c3844e5af842b8598f4f2af237b0404821918ed042bb10c52b.exe

Filesize
3.1MB

MD5
fb083acd60fe5c3156dc25442be815e3

SHA1
61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

SHA256
f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

SHA512
7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

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:\Users\Admin\Desktop\RevokeSearch.exe

Filesize
2.6MB

MD5
b14622d5f862d290f154c4c473ba8467

SHA1
277b3a52acd3271c2c3f85c96396dc8707df73a6

SHA256
f40ddc8d208bc9992f93db0e22ee9bbf8c3c3b91c71f05ae80614374dbacc59c

SHA512
6858a261f41dc40f3eb30739be78006e0d6d5ff9f77b3d4fba6aafc8a5272dbda66d6794e930493c6d537646c5387da26a06e8a7c6999704a0e6f89d78251f31

Download Submit
C:\Windows\SysWOW64\240631031.txt

Filesize
50KB

MD5
93f28c0eed46c122d5375857dbaae246

SHA1
e4bff6591801f35602eb4bd17080a114ffd9c356

SHA256
7fd9f3941a6f3e1fc16c6b66a4ee9622696feca5de7b14b1ddba7199c11b83ff

SHA512
a997c558f2e22df021ce6c261704c688075a16c4173bc5002c800b9037a13861923bd4fb11f69519fccec29e38f1e367b699cefd1164255a9a61c7190972f938

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1028-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1028-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1028-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1028-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1456-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1456-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1456-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1456-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1456-24-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5072-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5072-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5072-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5072-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads