gh0strat | 3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a

Analysis

max time kernel
150s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
03-11-2024 16:56

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General

Target

3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a.exe
Size

1.5MB
MD5

b3905c9a0a2e29e54e97d3e8ee168b5e
SHA1

385582ef5cf2123da6398bf2b350a614071b27d3
SHA256

3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a
SHA512

e091a498c6da896abe724b49e0c3d80cbb913e34000488e845acef89896d4e919f933119684a1aa4c038eb892cd0552dcb5f71500b9f9d8b02665bfe5cd816b1
SSDEEP

24576:FQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVcwpeY7oy:FQZAdVyVT9n/Gg0P+WhompeoX

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/1628-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1628-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1628-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2900-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2040-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2040-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2040-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2900-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2040-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1628-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1628-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1628-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x0007000000016d1c-33.dat	family_gh0strat
behavioral1/memory/2900-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2040-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2040-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2040-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2900-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2040-41-0x0000000010000000-0x00000000101B6000-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\\259497320.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.exeTXPlatforn.exesvchos.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	Process
1628	svchost.exe
2900	TXPlatforn.exe
2040	TXPlatforn.exe
2008	svchos.exe
1784	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 7 IoCs

Processes:

3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a.exeTXPlatforn.exesvchos.exesvchost.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	Process
1880	3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a.exe
2900	TXPlatforn.exe
1880	3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a.exe
2008	svchos.exe
2512	svchost.exe
2512	svchost.exe
1784	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Drops file in System32 directory 6 IoCs

Processes:

svchos.exesvchost.exesvchost.exe

description	ioc	Process
File created	C:\Windows\SysWOW64\259497320.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 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1628-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1628-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1628-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1628-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2900-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2040-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2040-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2040-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2900-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2040-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

Processes:

3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a.exe

description	ioc	Process
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a.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.exeTXPlatforn.exesvchos.execmd.exePING.EXEsvchost.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchos.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	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	3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a.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
2912	cmd.exe
2836	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
2836	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid	Process
2040	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeTXPlatforn.exe

description	pid	Process
Token: SeIncBasePriorityPrivilege	1628	svchost.exe
Token: SeLoadDriverPrivilege	2040	TXPlatforn.exe
Token: 33	2040	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2040	TXPlatforn.exe
Token: 33	2040	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2040	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a.exe

pid	Process
1880	3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a.exe
1880	3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a.exesvchost.exeTXPlatforn.execmd.exesvchost.exe

description	pid	Process	procid_target
PID 1880 wrote to memory of 1628	1880	3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a.exe	30
PID 1880 wrote to memory of 1628	1880	3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a.exe	30
PID 1880 wrote to memory of 1628	1880	3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a.exe	30
PID 1880 wrote to memory of 1628	1880	3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a.exe	30
PID 1880 wrote to memory of 1628	1880	3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a.exe	30
PID 1880 wrote to memory of 1628	1880	3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a.exe	30
PID 1880 wrote to memory of 1628	1880	3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a.exe	30
PID 1628 wrote to memory of 2912	1628	svchost.exe	32
PID 1628 wrote to memory of 2912	1628	svchost.exe	32
PID 1628 wrote to memory of 2912	1628	svchost.exe	32
PID 1628 wrote to memory of 2912	1628	svchost.exe	32
PID 2900 wrote to memory of 2040	2900	TXPlatforn.exe	33
PID 2900 wrote to memory of 2040	2900	TXPlatforn.exe	33
PID 2900 wrote to memory of 2040	2900	TXPlatforn.exe	33
PID 2900 wrote to memory of 2040	2900	TXPlatforn.exe	33
PID 2900 wrote to memory of 2040	2900	TXPlatforn.exe	33
PID 2900 wrote to memory of 2040	2900	TXPlatforn.exe	33
PID 2900 wrote to memory of 2040	2900	TXPlatforn.exe	33
PID 1880 wrote to memory of 2008	1880	3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a.exe	34
PID 1880 wrote to memory of 2008	1880	3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a.exe	34
PID 1880 wrote to memory of 2008	1880	3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a.exe	34
PID 1880 wrote to memory of 2008	1880	3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a.exe	34
PID 2912 wrote to memory of 2836	2912	cmd.exe	37
PID 2912 wrote to memory of 2836	2912	cmd.exe	37
PID 2912 wrote to memory of 2836	2912	cmd.exe	37
PID 2912 wrote to memory of 2836	2912	cmd.exe	37
PID 2512 wrote to memory of 1784	2512	svchost.exe	39
PID 2512 wrote to memory of 1784	2512	svchost.exe	39
PID 2512 wrote to memory of 1784	2512	svchost.exe	39
PID 2512 wrote to memory of 1784	2512	svchost.exe	39

C:\Users\Admin\AppData\Local\Temp\3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a.exe
"C:\Users\Admin\AppData\Local\Temp\3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1880
- 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:1628
- - 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:2912
  - - 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:2836
- 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:2008

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:2900
- 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:2040

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2980

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:2512
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259497320.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1784

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
1.5MB

MD5
b3905c9a0a2e29e54e97d3e8ee168b5e

SHA1
385582ef5cf2123da6398bf2b350a614071b27d3

SHA256
3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a

SHA512
e091a498c6da896abe724b49e0c3d80cbb913e34000488e845acef89896d4e919f933119684a1aa4c038eb892cd0552dcb5f71500b9f9d8b02665bfe5cd816b1

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
\Windows\SysWOW64\259497320.txt

Filesize
50KB

MD5
9d6f8abcdb4560caa27dab4feb3a29e0

SHA1
45cbed1c4cfb066a8fe7240a620390decc400293

SHA256
24f1c0a7acfa370924f82685520891b73390747fc359e6e6dbd7fc0f1956262e

SHA512
94b0ea6cb22edbef16e95a9ce939b8d388fe0bfad9fd8d70706d08a3f318240d5da0067f3cf6d56552c3eb321cca49664fd1d45299dfb3b42aa66f45533e5118

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

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1628-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1628-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1628-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1628-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2040-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2040-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2040-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2040-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2900-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2900-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download