gh0strat | 3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-11-2024 16:47

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General

Target

3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe
Size

4.8MB
MD5

2b58f027d63ffee5611c8d858634efd2
SHA1

568fe839452c2a5cbfc49a15028a988333bdae41
SHA256

3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e
SHA512

38ed33a625b5913f45b7a5922c99f8a1fddec2277065d08eba3d60d4433f1d80ee309f90019a07fdb580701d56cd62e75879271d5a3d9b8e22c26821adcfe04b
SSDEEP

49152:cQZAdVyVT9n/Gg0P+WhoXubXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8bU:dGdVyVT9nOgmheubXsPN5kiQaZ56

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2092-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2092-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2092-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2748-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2748-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2468-33-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2468-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2468-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/2092-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2092-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2092-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2748-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2748-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x0008000000014bda-34.dat	family_gh0strat
behavioral1/memory/2468-33-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2468-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2468-40-0x0000000010000000-0x00000000101B6000-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
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	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\\259414343.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
2092	svchost.exe
2748	TXPlatforn.exe
2468	TXPlatforn.exe
2772	svchos.exe
1960	HD_3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe
2280	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 8 IoCs

pid	Process
2656	3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe
2748	TXPlatforn.exe
2656	3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe
2772	svchos.exe
1744	svchost.exe
2656	3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe
1744	svchost.exe
2280	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259414343.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
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2092-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2092-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2092-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2092-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2748-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2748-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2468-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2468-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2468-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.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	svchos.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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
2584	cmd.exe
2456	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2456	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2656	3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2468	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2092	svchost.exe
Token: SeLoadDriverPrivilege	2468	TXPlatforn.exe
Token: 33	2468	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2468	TXPlatforn.exe
Token: 33	2468	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2468	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2656	3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe
2656	3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 2092	2656	3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe	28
PID 2656 wrote to memory of 2092	2656	3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe	28
PID 2656 wrote to memory of 2092	2656	3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe	28
PID 2656 wrote to memory of 2092	2656	3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe	28
PID 2656 wrote to memory of 2092	2656	3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe	28
PID 2656 wrote to memory of 2092	2656	3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe	28
PID 2656 wrote to memory of 2092	2656	3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe	28
PID 2092 wrote to memory of 2584	2092	svchost.exe	30
PID 2092 wrote to memory of 2584	2092	svchost.exe	30
PID 2092 wrote to memory of 2584	2092	svchost.exe	30
PID 2092 wrote to memory of 2584	2092	svchost.exe	30
PID 2748 wrote to memory of 2468	2748	TXPlatforn.exe	31
PID 2748 wrote to memory of 2468	2748	TXPlatforn.exe	31
PID 2748 wrote to memory of 2468	2748	TXPlatforn.exe	31
PID 2748 wrote to memory of 2468	2748	TXPlatforn.exe	31
PID 2748 wrote to memory of 2468	2748	TXPlatforn.exe	31
PID 2748 wrote to memory of 2468	2748	TXPlatforn.exe	31
PID 2748 wrote to memory of 2468	2748	TXPlatforn.exe	31
PID 2656 wrote to memory of 2772	2656	3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe	33
PID 2656 wrote to memory of 2772	2656	3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe	33
PID 2656 wrote to memory of 2772	2656	3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe	33
PID 2656 wrote to memory of 2772	2656	3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe	33
PID 2584 wrote to memory of 2456	2584	cmd.exe	34
PID 2584 wrote to memory of 2456	2584	cmd.exe	34
PID 2584 wrote to memory of 2456	2584	cmd.exe	34
PID 2584 wrote to memory of 2456	2584	cmd.exe	34
PID 2656 wrote to memory of 1960	2656	3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe	37
PID 2656 wrote to memory of 1960	2656	3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe	37
PID 2656 wrote to memory of 1960	2656	3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe	37
PID 2656 wrote to memory of 1960	2656	3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe	37
PID 1744 wrote to memory of 2280	1744	svchost.exe	39
PID 1744 wrote to memory of 2280	1744	svchost.exe	39
PID 1744 wrote to memory of 2280	1744	svchost.exe	39
PID 1744 wrote to memory of 2280	1744	svchost.exe	39

C:\Users\Admin\AppData\Local\Temp\3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe
"C:\Users\Admin\AppData\Local\Temp\3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2656
- 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:2092
- - 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:2584
  - - 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:2456
- 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:2772
- C:\Users\Admin\AppData\Local\Temp\HD_3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe
  C:\Users\Admin\AppData\Local\Temp\HD_3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1960

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2748
- 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:2468

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2532

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:1744
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259414343.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2280

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

Server Software Component

T1505

Terminal Services DLL

T1505.005

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\Local\Temp\HD_X.dat

Filesize
1.8MB

MD5
62a98f051f1f1bf647f7acbc02ee8070

SHA1
364db565d41c7753a498f70f65863bdc6403a5c4

SHA256
22fe9682ce359b2c033a88c6d6bd195d9ff5d26368d62cf7383aa3515db35f74

SHA512
f3144058371765f2512b857a807859d285480d537efd99234c022c2e23265aa4fa44bc0b9e7cb90a5da725df1be09a978804b90fa84b75936c80c5e30dc8aba1

Download Submit
\Users\Admin\AppData\Local\Temp\HD_3d944e29343efc9db4228b158116d5ac754541922ac971769968b6b6acaf038e.exe

Filesize
3.1MB

MD5
fb083acd60fe5c3156dc25442be815e3

SHA1
61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

SHA256
f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

SHA512
7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

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

Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

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

Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
\Windows\SysWOW64\259414343.txt

Filesize
50KB

MD5
299c3dc58ca18bf29f910319d142179b

SHA1
f34f45edbfa481e45ff8c8f20e6ecbffc4fda698

SHA256
eef2428011c935f502f4915da2eb52886a6bb5b8cbcd6ec58bc6a94ed3223061

SHA512
8404c8171dac8133141f52eaa22a9f4ad4431677d70d6b741acbd3f61d7941e8346a9fc50d21c9286208a81096a49b85055729226ee733cf72435375faa1c5da

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

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2092-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2092-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2092-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2092-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2468-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2468-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2468-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2748-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2748-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download