gh0strat | a001c1109fbf3e7f0ac5936c132881ce24d775496e3f07dbbde35c8650704b96

Analysis

max time kernel
150s
max time network
159s
platform
windows11-21h2_x64
resource
win11-20250410-en
resource tags

arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system
submitted
20/04/2025, 09:29

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General

Target

a001c1109fbf3e7f0ac5936c132881ce24d775496e3f07dbbde35c8650704b96.exe
Size

3.1MB
MD5

bc4a6ed079b6cfba4e6856a7d7725bd0
SHA1

1a8fc4cfc3e68b494cb56b0af9974c1147c8d52c
SHA256

a001c1109fbf3e7f0ac5936c132881ce24d775496e3f07dbbde35c8650704b96
SHA512

037b14316271753d88742f9032f9b78eecc53e20d6070154910db7e086a2eb2cc3bc4d7306f0145bb58143b626f8bda48e86b6d48f036f70e44fe27fd356480a
SSDEEP

49152:6jwsbCANnKXferL7Vwe/Gg0P+WhoW9cDmn2gQN:gws2ANnKXOaeOgmhoWGDmn2gQN

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/5016-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5016-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4984-27-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4984-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2468-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2468-55-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2468-56-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral2/files/0x001a00000002b0ae-5.dat	family_gh0strat
behavioral2/memory/5016-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5016-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4984-27-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4984-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2468-45-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2468-55-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2468-56-0x0000000010000000-0x00000000101B6000-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

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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240610015.txt"	R.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"	TXPlatfor.exe

Executes dropped EXE 6 IoCs

pid	Process
2196	R.exe
5016	N.exe
4984	TXPlatfor.exe
5100	HD_a001c1109fbf3e7f0ac5936c132881ce24d775496e3f07dbbde35c8650704b96.exe
2468	TXPlatfor.exe
6036	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
2196	R.exe
956	svchost.exe
6036	Remote Data.exe

Drops file in System32 directory 6 IoCs

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\240610015.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

resource	yara_rule
behavioral2/memory/5016-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5016-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5016-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4984-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4984-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4984-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2468-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2468-55-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2468-56-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	a001c1109fbf3e7f0ac5936c132881ce24d775496e3f07dbbde35c8650704b96.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 9 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	a001c1109fbf3e7f0ac5936c132881ce24d775496e3f07dbbde35c8650704b96.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_a001c1109fbf3e7f0ac5936c132881ce24d775496e3f07dbbde35c8650704b96.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatfor.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
4968	cmd.exe
4420	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4420	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3364	a001c1109fbf3e7f0ac5936c132881ce24d775496e3f07dbbde35c8650704b96.exe
3364	a001c1109fbf3e7f0ac5936c132881ce24d775496e3f07dbbde35c8650704b96.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2468	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	5016	N.exe
Token: SeLoadDriverPrivilege	2468	TXPlatfor.exe
Token: 33	2468	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2468	TXPlatfor.exe
Token: 33	2468	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2468	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3364	a001c1109fbf3e7f0ac5936c132881ce24d775496e3f07dbbde35c8650704b96.exe
3364	a001c1109fbf3e7f0ac5936c132881ce24d775496e3f07dbbde35c8650704b96.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3364 wrote to memory of 2196	3364	a001c1109fbf3e7f0ac5936c132881ce24d775496e3f07dbbde35c8650704b96.exe	82
PID 3364 wrote to memory of 2196	3364	a001c1109fbf3e7f0ac5936c132881ce24d775496e3f07dbbde35c8650704b96.exe	82
PID 3364 wrote to memory of 2196	3364	a001c1109fbf3e7f0ac5936c132881ce24d775496e3f07dbbde35c8650704b96.exe	82
PID 3364 wrote to memory of 5016	3364	a001c1109fbf3e7f0ac5936c132881ce24d775496e3f07dbbde35c8650704b96.exe	86
PID 3364 wrote to memory of 5016	3364	a001c1109fbf3e7f0ac5936c132881ce24d775496e3f07dbbde35c8650704b96.exe	86
PID 3364 wrote to memory of 5016	3364	a001c1109fbf3e7f0ac5936c132881ce24d775496e3f07dbbde35c8650704b96.exe	86
PID 5016 wrote to memory of 4968	5016	N.exe	88
PID 5016 wrote to memory of 4968	5016	N.exe	88
PID 5016 wrote to memory of 4968	5016	N.exe	88
PID 3364 wrote to memory of 5100	3364	a001c1109fbf3e7f0ac5936c132881ce24d775496e3f07dbbde35c8650704b96.exe	89
PID 3364 wrote to memory of 5100	3364	a001c1109fbf3e7f0ac5936c132881ce24d775496e3f07dbbde35c8650704b96.exe	89
PID 3364 wrote to memory of 5100	3364	a001c1109fbf3e7f0ac5936c132881ce24d775496e3f07dbbde35c8650704b96.exe	89
PID 4984 wrote to memory of 2468	4984	TXPlatfor.exe	90
PID 4984 wrote to memory of 2468	4984	TXPlatfor.exe	90
PID 4984 wrote to memory of 2468	4984	TXPlatfor.exe	90
PID 4968 wrote to memory of 4420	4968	cmd.exe	92
PID 4968 wrote to memory of 4420	4968	cmd.exe	92
PID 4968 wrote to memory of 4420	4968	cmd.exe	92
PID 956 wrote to memory of 6036	956	svchost.exe	93
PID 956 wrote to memory of 6036	956	svchost.exe	93
PID 956 wrote to memory of 6036	956	svchost.exe	93

C:\Users\Admin\AppData\Local\Temp\a001c1109fbf3e7f0ac5936c132881ce24d775496e3f07dbbde35c8650704b96.exe
"C:\Users\Admin\AppData\Local\Temp\a001c1109fbf3e7f0ac5936c132881ce24d775496e3f07dbbde35c8650704b96.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:3364
- 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:2196
- 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:5016
- - 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:4968
  - - 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:4420
- C:\Users\Admin\AppData\Local\Temp\HD_a001c1109fbf3e7f0ac5936c132881ce24d775496e3f07dbbde35c8650704b96.exe
  C:\Users\Admin\AppData\Local\Temp\HD_a001c1109fbf3e7f0ac5936c132881ce24d775496e3f07dbbde35c8650704b96.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5100

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:3608

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:956
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240610015.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:6036

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:4984
- 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:2468

Network

MITRE ATT&CK Enterprise v16

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
2.6MB

MD5
ad639c252e928753d4dc53ba1da48ce2

SHA1
80eccc53dc279cfb6caa8b6e9c73c0ab8ab5208d

SHA256
c877c2f91e7ffb1b7a1f473f4b50fe0a4a93756b150729d4dce7ced8fb379a10

SHA512
55a868bba24c60e37d6298a4bcfa62efa9a10bf17419975a8fe7c66f39ab6941cfef7d0a06ac8b6af6d93d355ae0ab2d6635381bb03a6a47ded108fbf92323e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_a001c1109fbf3e7f0ac5936c132881ce24d775496e3f07dbbde35c8650704b96.exe

Filesize
468KB

MD5
c4ccbfcc0d0a6bb476fb8e8d352b60fa

SHA1
681a5f2227fd19e4dbdc61165f1eec37e1cb8abe

SHA256
bdcee160a2ee7dcc8309b8db79f5eca7669ace1c06eef7f692a1037bcac1b77a

SHA512
8b2685a02eb7670b437e0b3818678a3dd7832026c27520f273dedfdf347a73810d2dafe4863394fd629589ef963c17814c580b65549c0a4594433895be076941

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\240610015.txt

Filesize
899KB

MD5
3f8f0d85b6bb8c842bfb965e7d049fad

SHA1
ae9c5de1e218607de8acedf9d87f0399cba11fae

SHA256
4041041a650c5b659d5fb7b90f85ba2e0cde533c67b19a2e3e61d273409b47bf

SHA512
f2b856e6b42c1266a6ae7e91af3aad99cc9789b24021172365e2ce979b4652e7024aa77584286947cd7eb4981a7f0054e507b68125aa1dbbdefcb4b20280ad11

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

Filesize
40KB

MD5
22bb5bd901d8b25ac5b41edbb7d5053e

SHA1
8a935dd8d7e104fc553ff7e8b54a404f7b079334

SHA256
8dcaeeebef9b9f3d41d295db145ffb3850f309d089c08125c7fa7034db5fd80e

SHA512
cc3fb68fd6791a08e4a7d1a8db8d07cfcc8c9b9dceec10b53f0cb7ee86473303a19be4f23e379f84c59e02d0568e7c066e21cd1300f6032dac4ba52f609f62e7

Download Submit
memory/2468-56-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2468-55-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2468-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4984-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4984-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4984-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5016-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5016-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5016-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download