gh0strat | 3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-11-2024 10:49

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General

Target

3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.exe
Size

2.4MB
MD5

16d4208183379a123eed0b295a6c56e0
SHA1

1b0ea2d0390ef26c50d085aa044075d263b2b51a
SHA256

3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3
SHA512

deecc48f1f0547588eeff40bc77124cb888296e97c873b326c816431ed064fbfda62db6c24cd8eed25dcebf1a786a3413a315cbaa9fb269e0a39cbfbc32c4d69
SSDEEP

49152:VQZAdVyVT9n/Gg0P+WhoqJlxAibBEZ1LWtBzkOm:OGdVyVT9nOgmhRlZOAC

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/2316-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2316-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2316-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2968-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2968-27-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1472-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1472-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1472-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/2316-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2316-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2316-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2968-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2968-27-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x0007000000016f9c-33.dat	family_gh0strat
behavioral1/memory/1472-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1472-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1472-40-0x0000000010000000-0x00000000101B6000-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\\259446729.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
2316	svchost.exe
2968	TXPlatforn.exe
2092	svchos.exe
1472	TXPlatforn.exe
2588	HD_3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.exe
1664	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 8 IoCs

pid	Process
2896	3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.exe
2896	3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.exe
2968	TXPlatforn.exe
2092	svchos.exe
2600	svchost.exe
2896	3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.exe
2600	svchost.exe
1664	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

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\259446729.txt	svchos.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	svchos.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2316-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2316-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2316-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2316-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2968-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2968-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1472-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1472-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1472-40-0x0000000010000000-0x00000000101B6000-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	3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.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	cmd.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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
804	cmd.exe
2816	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2816	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2896	3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1472	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2316	svchost.exe
Token: SeLoadDriverPrivilege	1472	TXPlatforn.exe
Token: 33	1472	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	1472	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2896	3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.exe
2896	3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 2316	2896	3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.exe	31
PID 2896 wrote to memory of 2316	2896	3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.exe	31
PID 2896 wrote to memory of 2316	2896	3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.exe	31
PID 2896 wrote to memory of 2316	2896	3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.exe	31
PID 2896 wrote to memory of 2316	2896	3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.exe	31
PID 2896 wrote to memory of 2316	2896	3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.exe	31
PID 2896 wrote to memory of 2316	2896	3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.exe	31
PID 2316 wrote to memory of 804	2316	svchost.exe	33
PID 2316 wrote to memory of 804	2316	svchost.exe	33
PID 2316 wrote to memory of 804	2316	svchost.exe	33
PID 2316 wrote to memory of 804	2316	svchost.exe	33
PID 2896 wrote to memory of 2092	2896	3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.exe	35
PID 2896 wrote to memory of 2092	2896	3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.exe	35
PID 2896 wrote to memory of 2092	2896	3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.exe	35
PID 2896 wrote to memory of 2092	2896	3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.exe	35
PID 2968 wrote to memory of 1472	2968	TXPlatforn.exe	36
PID 2968 wrote to memory of 1472	2968	TXPlatforn.exe	36
PID 2968 wrote to memory of 1472	2968	TXPlatforn.exe	36
PID 2968 wrote to memory of 1472	2968	TXPlatforn.exe	36
PID 2968 wrote to memory of 1472	2968	TXPlatforn.exe	36
PID 2968 wrote to memory of 1472	2968	TXPlatforn.exe	36
PID 2968 wrote to memory of 1472	2968	TXPlatforn.exe	36
PID 804 wrote to memory of 2816	804	cmd.exe	37
PID 804 wrote to memory of 2816	804	cmd.exe	37
PID 804 wrote to memory of 2816	804	cmd.exe	37
PID 804 wrote to memory of 2816	804	cmd.exe	37
PID 2896 wrote to memory of 2588	2896	3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.exe	40
PID 2896 wrote to memory of 2588	2896	3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.exe	40
PID 2896 wrote to memory of 2588	2896	3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.exe	40
PID 2896 wrote to memory of 2588	2896	3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.exe	40
PID 2600 wrote to memory of 1664	2600	svchost.exe	41
PID 2600 wrote to memory of 1664	2600	svchost.exe	41
PID 2600 wrote to memory of 1664	2600	svchost.exe	41
PID 2600 wrote to memory of 1664	2600	svchost.exe	41

C:\Users\Admin\AppData\Local\Temp\3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.exe
"C:\Users\Admin\AppData\Local\Temp\3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.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:2896
- 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:2316
- - 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:804
  - - 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:2816
- 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:2092
- C:\Users\Admin\AppData\Local\Temp\HD_3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.exe
  C:\Users\Admin\AppData\Local\Temp\HD_3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.exe
  2⤵
  - Executes dropped EXE
  PID:2588

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:2968
- 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:1472

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2892

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:2600
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259446729.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1664

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

Loading Replay Monitor...

Downloads

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

Filesize
1.5MB

MD5
9e90ceaa96b1c33706d0dea5e7185058

SHA1
84eb303c0aa8711d65e3cdb71e7e7f16066c6118

SHA256
5e42bc3cd8e04234797c9e6342526a43536ddeea9b60570a22aecf131dbbe92e

SHA512
fef1c282e808e57cce490f38449615e9eb66c5315febff51ff04d25b6c7b95aec85666c89461908a7969843facd501d0ff2efe8d09ff3228cc67645949400a04

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

Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
\Users\Admin\AppData\Local\Temp\HD_3e55a61f69c021b17bdc804b63f7825e1cc12d5a7552fbf2182bb4db07d582e3N.exe

Filesize
966KB

MD5
3740507a1dc4ff4cb5c6e52652c10c20

SHA1
b2c8a0a736fe81c101f4ab4cd6be8099c3f902b3

SHA256
6a72cc8649a63b017844c4c1f3885a250d1a982ffe5f1e58b6f1432fe9198e62

SHA512
d5299859a6121c6ae5813be61648ca1f005970ebe34a8217d05b570ffbd4651f64ad7b3a7bf5129e708e07b36e097333f754b213e73d5fe9246347afd8fa3c22

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

Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

Download Submit
\Windows\SysWOW64\259446729.txt

Filesize
50KB

MD5
e76d479fcd720b00ac0aa7b38da629e5

SHA1
b37e3e63b0717c2a0da10f5a0e3b7f335a871d62

SHA256
c4dca89cc9f44a14814740a37c7c0ce590d39efee756212d695c24010c126980

SHA512
bb5f39513931a992cca226349d3664ea31b63dc0a64c788b25c5f1a1a43a68e70d59a48214c3643e1a5ebc8573a272ece1e746f8615e05f657778b5c26f08371

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

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1472-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1472-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1472-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2316-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2316-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2316-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2316-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2968-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2968-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download