gh0strat | 7605423ecad12ba6356d78e80f022f9ab29939af22957fd2f144b92f28aea730

Analysis

max time kernel
150s
max time network
143s
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 22:10

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General

Target

7605423ecad12ba6356d78e80f022f9ab29939af22957fd2f144b92f28aea730.exe
Size

4.2MB
MD5

d70d9a950c6ab6ea5cbe88840b8e46a0
SHA1

b7b7bc61f0e9c6ee71d35ea5c8b36a678f0473fa
SHA256

7605423ecad12ba6356d78e80f022f9ab29939af22957fd2f144b92f28aea730
SHA512

4917953694e8f44439097796e436ee5275057689de15a22a169951af552a13fdc266e425235dd7f638858f8edef655cc4180ff42e21e33f65046e4bc5f37e4e2
SSDEEP

98304:Sws2ANnKXOaeOgmhDYazFWSJ8NfZNxmSuZ:IKXbeO7V+Smf1mN

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/2532-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2532-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1416-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1416-27-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2676-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2676-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2676-56-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

Processes:

resource	yara_rule
behavioral2/files/0x0008000000023ca5-5.dat	family_gh0strat
behavioral2/memory/2532-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2532-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1416-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1416-27-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2676-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2676-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2676-56-0x0000000010000000-0x00000000101B6000-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:

TXPlatfor.exe

description	ioc	Process
File created	C:\Windows\system32\drivers\QAssist.sys	TXPlatfor.exe

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

Processes:

R.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240628781.txt"	R.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

TXPlatfor.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatfor.exe

Executes dropped EXE 6 IoCs

Processes:

R.exeN.exeTXPlatfor.exeTXPlatfor.exeHD_7605423ecad12ba6356d78e80f022f9ab29939af22957fd2f144b92f28aea730.exeRemote Data.exe

pid	Process
4904	R.exe
2532	N.exe
1416	TXPlatfor.exe
2676	TXPlatfor.exe
3592	HD_7605423ecad12ba6356d78e80f022f9ab29939af22957fd2f144b92f28aea730.exe
4304	Remote Data.exe

Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid	Process
4904	R.exe
2292	svchost.exe
4304	Remote Data.exe

Drops file in System32 directory 6 IoCs

Processes:

svchost.exeN.exeR.exe

description	ioc	Process
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\240628781.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2532-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2532-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2532-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1416-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1416-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1416-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2676-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2676-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2676-56-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

Processes:

7605423ecad12ba6356d78e80f022f9ab29939af22957fd2f144b92f28aea730.exe

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	7605423ecad12ba6356d78e80f022f9ab29939af22957fd2f144b92f28aea730.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:

TXPlatfor.execmd.exePING.EXERemote Data.exe7605423ecad12ba6356d78e80f022f9ab29939af22957fd2f144b92f28aea730.exeR.exesvchost.exeN.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatfor.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	Remote Data.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7605423ecad12ba6356d78e80f022f9ab29939af22957fd2f144b92f28aea730.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	N.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:

PING.EXEcmd.exe

pid	Process
1436	PING.EXE
2344	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
1436	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

7605423ecad12ba6356d78e80f022f9ab29939af22957fd2f144b92f28aea730.exe

pid	Process
2952	7605423ecad12ba6356d78e80f022f9ab29939af22957fd2f144b92f28aea730.exe
2952	7605423ecad12ba6356d78e80f022f9ab29939af22957fd2f144b92f28aea730.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid	Process
2676	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	Process
Token: SeIncBasePriorityPrivilege	2532	N.exe
Token: SeLoadDriverPrivilege	2676	TXPlatfor.exe
Token: 33	2676	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2676	TXPlatfor.exe
Token: 33	2676	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2676	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

7605423ecad12ba6356d78e80f022f9ab29939af22957fd2f144b92f28aea730.exe

pid	Process
2952	7605423ecad12ba6356d78e80f022f9ab29939af22957fd2f144b92f28aea730.exe
2952	7605423ecad12ba6356d78e80f022f9ab29939af22957fd2f144b92f28aea730.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

7605423ecad12ba6356d78e80f022f9ab29939af22957fd2f144b92f28aea730.exeTXPlatfor.exeN.execmd.exesvchost.exe

description	pid	Process	procid_target
PID 2952 wrote to memory of 4904	2952	7605423ecad12ba6356d78e80f022f9ab29939af22957fd2f144b92f28aea730.exe	83
PID 2952 wrote to memory of 4904	2952	7605423ecad12ba6356d78e80f022f9ab29939af22957fd2f144b92f28aea730.exe	83
PID 2952 wrote to memory of 4904	2952	7605423ecad12ba6356d78e80f022f9ab29939af22957fd2f144b92f28aea730.exe	83
PID 2952 wrote to memory of 2532	2952	7605423ecad12ba6356d78e80f022f9ab29939af22957fd2f144b92f28aea730.exe	88
PID 2952 wrote to memory of 2532	2952	7605423ecad12ba6356d78e80f022f9ab29939af22957fd2f144b92f28aea730.exe	88
PID 2952 wrote to memory of 2532	2952	7605423ecad12ba6356d78e80f022f9ab29939af22957fd2f144b92f28aea730.exe	88
PID 1416 wrote to memory of 2676	1416	TXPlatfor.exe	91
PID 1416 wrote to memory of 2676	1416	TXPlatfor.exe	91
PID 1416 wrote to memory of 2676	1416	TXPlatfor.exe	91
PID 2532 wrote to memory of 2344	2532	N.exe	92
PID 2532 wrote to memory of 2344	2532	N.exe	92
PID 2532 wrote to memory of 2344	2532	N.exe	92
PID 2952 wrote to memory of 3592	2952	7605423ecad12ba6356d78e80f022f9ab29939af22957fd2f144b92f28aea730.exe	93
PID 2952 wrote to memory of 3592	2952	7605423ecad12ba6356d78e80f022f9ab29939af22957fd2f144b92f28aea730.exe	93
PID 2344 wrote to memory of 1436	2344	cmd.exe	95
PID 2344 wrote to memory of 1436	2344	cmd.exe	95
PID 2344 wrote to memory of 1436	2344	cmd.exe	95
PID 2292 wrote to memory of 4304	2292	svchost.exe	100
PID 2292 wrote to memory of 4304	2292	svchost.exe	100
PID 2292 wrote to memory of 4304	2292	svchost.exe	100

C:\Users\Admin\AppData\Local\Temp\7605423ecad12ba6356d78e80f022f9ab29939af22957fd2f144b92f28aea730.exe
"C:\Users\Admin\AppData\Local\Temp\7605423ecad12ba6356d78e80f022f9ab29939af22957fd2f144b92f28aea730.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2952
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.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:4904
- C:\Users\Admin\AppData\Local\Temp\N.exe
  C:\Users\Admin\AppData\Local\Temp\\N.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:2532
- - 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\N.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2344
  - - 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:1436
- C:\Users\Admin\AppData\Local\Temp\HD_7605423ecad12ba6356d78e80f022f9ab29939af22957fd2f144b92f28aea730.exe
  C:\Users\Admin\AppData\Local\Temp\HD_7605423ecad12ba6356d78e80f022f9ab29939af22957fd2f144b92f28aea730.exe
  2⤵
  - Executes dropped EXE
  PID:3592

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2660

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240628781.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4304

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1416
- C:\Windows\SysWOW64\TXPlatfor.exe
  C:\Windows\SysWOW64\TXPlatfor.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:2676

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_7605423ecad12ba6356d78e80f022f9ab29939af22957fd2f144b92f28aea730.exe

Filesize
422KB

MD5
4b7c5955b0172e9f078fb624dc37ed63

SHA1
23f0b8ac2c171ac55b8a53441b56ef937afd441d

SHA256
7b9409a895261a4b7c51295df169944925e2f4fa9c0fd93d1454d3c200598c3f

SHA512
af51fd37ad4043080ca2bed185fd6631fb6797957e694edfe3fc620f1813361c8d5eb5bf46723c7f3441f185c3527256e65a2a2f416857df65fdb1313dbffcc4

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

Filesize
3.8MB

MD5
0f4e8d44359aa2e8fb2242cd020b0bd3

SHA1
ea63c77f59997ddbede3e5eff21be091106b3da1

SHA256
70cbade5af0c477685e3ab16f9536791a7816e4779b3907c47c15e9d2eda368b

SHA512
b0d87c3b4fb18c78cfe3d7ec077771840fc310c076742e04cb025e36fbd2488bbbdb5574755f26a8726bc3bd108ff1296856a873d333ad69190c01107ecf917c

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
C:\Windows\SysWOW64\240628781.txt

Filesize
899KB

MD5
e91ef577c4708fa54f7702ba54af5e6c

SHA1
a138a54b6b56da286e50a2d9a2347cb322f53d34

SHA256
1b369b3a7679b7f62458d7b1be1b03ee72e3aa3d4cc282d142b224b1629009ea

SHA512
597d706b6291c7b2db67615e362702861e83dff96af61ca1178da63925508fee92c49230d7b1e55e35fe2cfe1971f98e65b7988c39bb53485b4de3bb300c675b

Download Submit
C:\Windows\SysWOW64\Remote Data.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1416-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1416-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1416-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2532-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2532-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2532-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2676-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2676-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2676-56-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download