gh0strat | f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
25/06/2024, 16:32

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General

Target

f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe
Size

2.0MB
MD5

70063c552b9c12295d2ca82d0abe551f
SHA1

43539b1e8f1764444b1aff7b32fefe6f9344ad28
SHA256

f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80
SHA512

88f17607c13574dff1d503dcb96e2c2e2467d381aff32acd11fe7cabd03aee7cd77de14d125a2b57c041cb5eda2d557c23550d946ca52ffd7507c9fa36b3be9a
SSDEEP

49152:pQZAdVyVT9n/Gg0P+Who0KwaifzzqANKwqifmACh4:6GdVyVT9nOgmh5vaiHqivqies

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/1704-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1704-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3044-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3044-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2964-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2964-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2964-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2964-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1704-95-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral1/memory/1704-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1704-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3044-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3044-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x0007000000013d74-33.dat	family_gh0strat
behavioral1/memory/2964-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2964-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2964-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2964-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1704-95-0x0000000010000000-0x00000000101B6000-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\\259395779.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
1704	svchost.exe
3044	TXPlatforn.exe
2964	TXPlatforn.exe
2636	svchos.exe
2472	HD_f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe
2236	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 8 IoCs

pid	Process
2900	f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe
3044	TXPlatforn.exe
2900	f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe
2636	svchos.exe
2460	svchost.exe
2900	f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe
2460	svchost.exe
2236	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1704-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1704-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1704-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3044-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3044-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2964-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2964-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2964-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2964-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1704-95-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

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\259395779.txt	svchos.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	svchos.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2588	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2900	f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2964	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1704	svchost.exe
Token: SeLoadDriverPrivilege	2964	TXPlatforn.exe
Token: 33	2964	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2964	TXPlatforn.exe
Token: 33	2964	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2964	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2900	f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe
2900	f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2900 wrote to memory of 1704	2900	f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe	28
PID 2900 wrote to memory of 1704	2900	f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe	28
PID 2900 wrote to memory of 1704	2900	f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe	28
PID 2900 wrote to memory of 1704	2900	f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe	28
PID 2900 wrote to memory of 1704	2900	f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe	28
PID 2900 wrote to memory of 1704	2900	f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe	28
PID 2900 wrote to memory of 1704	2900	f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe	28
PID 1704 wrote to memory of 2280	1704	svchost.exe	30
PID 1704 wrote to memory of 2280	1704	svchost.exe	30
PID 1704 wrote to memory of 2280	1704	svchost.exe	30
PID 1704 wrote to memory of 2280	1704	svchost.exe	30
PID 3044 wrote to memory of 2964	3044	TXPlatforn.exe	32
PID 3044 wrote to memory of 2964	3044	TXPlatforn.exe	32
PID 3044 wrote to memory of 2964	3044	TXPlatforn.exe	32
PID 3044 wrote to memory of 2964	3044	TXPlatforn.exe	32
PID 3044 wrote to memory of 2964	3044	TXPlatforn.exe	32
PID 3044 wrote to memory of 2964	3044	TXPlatforn.exe	32
PID 3044 wrote to memory of 2964	3044	TXPlatforn.exe	32
PID 2900 wrote to memory of 2636	2900	f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe	33
PID 2900 wrote to memory of 2636	2900	f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe	33
PID 2900 wrote to memory of 2636	2900	f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe	33
PID 2900 wrote to memory of 2636	2900	f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe	33
PID 2280 wrote to memory of 2588	2280	cmd.exe	36
PID 2280 wrote to memory of 2588	2280	cmd.exe	36
PID 2280 wrote to memory of 2588	2280	cmd.exe	36
PID 2280 wrote to memory of 2588	2280	cmd.exe	36
PID 2900 wrote to memory of 2472	2900	f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe	37
PID 2900 wrote to memory of 2472	2900	f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe	37
PID 2900 wrote to memory of 2472	2900	f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe	37
PID 2900 wrote to memory of 2472	2900	f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe	37
PID 2460 wrote to memory of 2236	2460	svchost.exe	39
PID 2460 wrote to memory of 2236	2460	svchost.exe	39
PID 2460 wrote to memory of 2236	2460	svchost.exe	39
PID 2460 wrote to memory of 2236	2460	svchost.exe	39

C:\Users\Admin\AppData\Local\Temp\f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe
"C:\Users\Admin\AppData\Local\Temp\f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2900
- 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
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1704
- - 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⤵
    - Suspicious use of WriteProcessMemory
    PID:2280
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2588
- 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
  PID:2636
- C:\Users\Admin\AppData\Local\Temp\HD_f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe
  C:\Users\Admin\AppData\Local\Temp\HD_f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe
  2⤵
  - Executes dropped EXE
  PID:2472

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3044
- 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:2964

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2740

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2460
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259395779.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2236

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

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
3a3093558ca48295625a480ce2c751d5

SHA1
b723befdd18a6a2d6c58801a0bb3e3ef721fe480

SHA256
55d9efdb5e826618997f988595989710f328d45ec7fed9db0debd315b5701b94

SHA512
95ee449e0f3fede652ee877737074ab7c42706dc1b9b5d6d43b2a43dedb3daf693341bad279a93aa05e6882565f2afe8b5348651b831c5d5efa1873a5717ca94

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_f1d7f6de0a9c12aa1b264f35a7b81bb955384ff659f72ad26f875b9087fb3e80.exe

Filesize
546KB

MD5
586dcc0ff90bd7d6dfbf7e2505e396ab

SHA1
4789eb6bcd6fb519050a764f0e1209c369224784

SHA256
f38c30d953006caa822ea0d61fe80e4e0b8eddc5b9f14f64594b72dcdd62f454

SHA512
2d06ea421bd9dd998d473bf0790cd32e34767c0de2f1bf526c9991a6132f0a1678161ddb6db63a90368594dce7c2ab1b854874902218099ed9a16cd11edd75f5

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

Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

Download Submit
\Windows\SysWOW64\259395779.txt

Filesize
50KB

MD5
ba34661d3105359fa4c931c53d0964fb

SHA1
a817ba528fd6725e24d8a289eb540d5bb74a166f

SHA256
eb9b4b4ba795bcc34916a843e928cc68ef7014c67cdd3690af9babb0e572078d

SHA512
b243b3a0b9c3e3c373f251d71cd0af5ee2ad4644a3ea7eada2b49544905d01dbfbf1040436afe69f2e8fd7574e7bac88fda18cbd39f7b3e7fbb9121565459326

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

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1704-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1704-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1704-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1704-95-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2472-53-0x000000006F280000-0x000000006F290000-memory.dmp

Filesize
64KB

Download
memory/2964-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2964-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2964-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2964-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3044-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3044-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download