gh0strat | 15922257c01a608ee9cde69475b9cdc7f0871406e7fc82638ac45417522c7d3c

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-11-2024 08:47

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General

Target

15922257c01a608ee9cde69475b9cdc7f0871406e7fc82638ac45417522c7d3c.exe
Size

1.7MB
MD5

528ab892d5c9ed40a0e7dfb71ef29b49
SHA1

968665e659a93656091742495ae90ae2506f873e
SHA256

15922257c01a608ee9cde69475b9cdc7f0871406e7fc82638ac45417522c7d3c
SHA512

7d20e88a42dd573292c49be96a0bc7d877cf43aac805e1a18a482436ab70ef348ab0493f79c0ac322211563058a70ecff739ed149f1326e70be3f3069e868f50
SSDEEP

24576:JQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cV2U3M4Y+WN5mmT7Ki:JQZAdVyVT9n/Gg0P+WhohUMvfKi

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/2640-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2640-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2640-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/392-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/392-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/392-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/392-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4420-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4420-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4420-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2640-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2640-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2640-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/392-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/392-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/392-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/392-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x000a000000023b81-34.dat	family_gh0strat
behavioral2/memory/4420-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4420-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4420-43-0x0000000010000000-0x00000000101B6000-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

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\\240615468.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
2640	svchost.exe
392	TXPlatforn.exe
2192	svchos.exe
4420	TXPlatforn.exe
2052	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 3 IoCs

Processes:

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

pid	Process
2192	svchos.exe
3524	svchost.exe
2052	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Drops file in System32 directory 6 IoCs

Processes:

svchost.exesvchos.exesvchost.exe

description	ioc	Process
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\240615468.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

UPX packed file 12 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2640-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2640-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2640-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2640-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/392-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/392-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/392-14-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/392-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/392-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4420-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4420-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4420-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 5 IoCs

Processes:

15922257c01a608ee9cde69475b9cdc7f0871406e7fc82638ac45417522c7d3c.exe

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	15922257c01a608ee9cde69475b9cdc7f0871406e7fc82638ac45417522c7d3c.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	15922257c01a608ee9cde69475b9cdc7f0871406e7fc82638ac45417522c7d3c.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	15922257c01a608ee9cde69475b9cdc7f0871406e7fc82638ac45417522c7d3c.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	15922257c01a608ee9cde69475b9cdc7f0871406e7fc82638ac45417522c7d3c.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	15922257c01a608ee9cde69475b9cdc7f0871406e7fc82638ac45417522c7d3c.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:

svchost.exesvchos.exeTXPlatforn.exesvchost.execmd.exePING.EXEÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe15922257c01a608ee9cde69475b9cdc7f0871406e7fc82638ac45417522c7d3c.exe

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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	15922257c01a608ee9cde69475b9cdc7f0871406e7fc82638ac45417522c7d3c.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
1576	cmd.exe
8	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
8	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid	Process
4420	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeTXPlatforn.exe

description	pid	Process
Token: SeIncBasePriorityPrivilege	2640	svchost.exe
Token: SeLoadDriverPrivilege	4420	TXPlatforn.exe
Token: 33	4420	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4420	TXPlatforn.exe
Token: 33	4420	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4420	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

15922257c01a608ee9cde69475b9cdc7f0871406e7fc82638ac45417522c7d3c.exe

pid	Process
2632	15922257c01a608ee9cde69475b9cdc7f0871406e7fc82638ac45417522c7d3c.exe
2632	15922257c01a608ee9cde69475b9cdc7f0871406e7fc82638ac45417522c7d3c.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

15922257c01a608ee9cde69475b9cdc7f0871406e7fc82638ac45417522c7d3c.exesvchost.exeTXPlatforn.execmd.exesvchost.exe

description	pid	Process	procid_target
PID 2632 wrote to memory of 2640	2632	15922257c01a608ee9cde69475b9cdc7f0871406e7fc82638ac45417522c7d3c.exe	84
PID 2632 wrote to memory of 2640	2632	15922257c01a608ee9cde69475b9cdc7f0871406e7fc82638ac45417522c7d3c.exe	84
PID 2632 wrote to memory of 2640	2632	15922257c01a608ee9cde69475b9cdc7f0871406e7fc82638ac45417522c7d3c.exe	84
PID 2640 wrote to memory of 1576	2640	svchost.exe	89
PID 2640 wrote to memory of 1576	2640	svchost.exe	89
PID 2640 wrote to memory of 1576	2640	svchost.exe	89
PID 2632 wrote to memory of 2192	2632	15922257c01a608ee9cde69475b9cdc7f0871406e7fc82638ac45417522c7d3c.exe	90
PID 2632 wrote to memory of 2192	2632	15922257c01a608ee9cde69475b9cdc7f0871406e7fc82638ac45417522c7d3c.exe	90
PID 2632 wrote to memory of 2192	2632	15922257c01a608ee9cde69475b9cdc7f0871406e7fc82638ac45417522c7d3c.exe	90
PID 392 wrote to memory of 4420	392	TXPlatforn.exe	91
PID 392 wrote to memory of 4420	392	TXPlatforn.exe	91
PID 392 wrote to memory of 4420	392	TXPlatforn.exe	91
PID 1576 wrote to memory of 8	1576	cmd.exe	95
PID 1576 wrote to memory of 8	1576	cmd.exe	95
PID 1576 wrote to memory of 8	1576	cmd.exe	95
PID 3524 wrote to memory of 2052	3524	svchost.exe	100
PID 3524 wrote to memory of 2052	3524	svchost.exe	100
PID 3524 wrote to memory of 2052	3524	svchost.exe	100

C:\Users\Admin\AppData\Local\Temp\15922257c01a608ee9cde69475b9cdc7f0871406e7fc82638ac45417522c7d3c.exe
"C:\Users\Admin\AppData\Local\Temp\15922257c01a608ee9cde69475b9cdc7f0871406e7fc82638ac45417522c7d3c.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2632
- 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:2640
- - 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:1576
  - - 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:8
- 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:2192

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:392
- 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:4420

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2436

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:3524
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240615468.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2052

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
1.7MB

MD5
528ab892d5c9ed40a0e7dfb71ef29b49

SHA1
968665e659a93656091742495ae90ae2506f873e

SHA256
15922257c01a608ee9cde69475b9cdc7f0871406e7fc82638ac45417522c7d3c

SHA512
7d20e88a42dd573292c49be96a0bc7d877cf43aac805e1a18a482436ab70ef348ab0493f79c0ac322211563058a70ecff739ed149f1326e70be3f3069e868f50

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\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
\??\c:\windows\SysWOW64\240615468.txt

Filesize
50KB

MD5
9800c37a57ec92562b06feceee5114ca

SHA1
07f3a9733da6ff7920c08dd6d0509b9738038fd8

SHA256
0033856e724e4c02210269f31b8c87adac255409fafa66e905aff08bf4508529

SHA512
add5a2d10c27d48b277ab780473d5e213c25951d6b12405227952a70ffd738a934906a35532b1bd51b69eb9c2ed77831dbd5521b08693946552226c38d8211e3

Download Submit
memory/392-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/392-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/392-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/392-14-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/392-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2640-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2640-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2640-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2640-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4420-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4420-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4420-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download