gh0strat | 1bf0ebed6d2021af738c0e5d4447ef0125e9fb1611aeb1779e986df804d536f9

Analysis

max time kernel
150s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-12-2024 12:41

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General

Target

1bf0ebed6d2021af738c0e5d4447ef0125e9fb1611aeb1779e986df804d536f9.exe
Size

2.6MB
MD5

8fbf48da43d9f3ddce9337c5ababffde
SHA1

91c3220d9b60a9404d929aaaba7d0c4bedc26a3c
SHA256

1bf0ebed6d2021af738c0e5d4447ef0125e9fb1611aeb1779e986df804d536f9
SHA512

afc3f2316890580f6a73ebaa04106b8c8a77df56fa9c3ed401beaee8846fd4f5313acd9ccc53786b53790c5a64b4e461e0e5b69b57db53156b5536fb4818e0be
SSDEEP

49152:OCwsbCANnKXferL7Vwe/Gg0P+WhIsABTuK:pws2ANnKXOaeOgmhI1BTuK

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/1532-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1532-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1532-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4580-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4580-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4304-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4304-55-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4304-57-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x000d000000023b6f-5.dat	family_gh0strat
behavioral2/memory/1532-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1532-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1532-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4580-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4580-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4304-52-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4304-55-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4304-57-0x0000000010000000-0x00000000101B6000-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\\240614875.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
2428	R.exe
1532	N.exe
4580	TXPlatfor.exe
864	HD_1bf0ebed6d2021af738c0e5d4447ef0125e9fb1611aeb1779e986df804d536f9.exe
4304	TXPlatfor.exe
2820	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
2428	R.exe
3908	svchost.exe
2820	Remote Data.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
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\240614875.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1532-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1532-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1532-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1532-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4580-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4580-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4580-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4304-52-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4304-55-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4304-57-0x0000000010000000-0x00000000101B6000-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	1bf0ebed6d2021af738c0e5d4447ef0125e9fb1611aeb1779e986df804d536f9.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	TXPlatfor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_1bf0ebed6d2021af738c0e5d4447ef0125e9fb1611aeb1779e986df804d536f9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Remote Data.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	N.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1bf0ebed6d2021af738c0e5d4447ef0125e9fb1611aeb1779e986df804d536f9.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
4524	cmd.exe
3204	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3204	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4692	1bf0ebed6d2021af738c0e5d4447ef0125e9fb1611aeb1779e986df804d536f9.exe
4692	1bf0ebed6d2021af738c0e5d4447ef0125e9fb1611aeb1779e986df804d536f9.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4304	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1532	N.exe
Token: SeLoadDriverPrivilege	4304	TXPlatfor.exe
Token: 33	4304	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4304	TXPlatfor.exe
Token: 33	4304	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4304	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4692	1bf0ebed6d2021af738c0e5d4447ef0125e9fb1611aeb1779e986df804d536f9.exe
4692	1bf0ebed6d2021af738c0e5d4447ef0125e9fb1611aeb1779e986df804d536f9.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4692 wrote to memory of 2428	4692	1bf0ebed6d2021af738c0e5d4447ef0125e9fb1611aeb1779e986df804d536f9.exe	82
PID 4692 wrote to memory of 2428	4692	1bf0ebed6d2021af738c0e5d4447ef0125e9fb1611aeb1779e986df804d536f9.exe	82
PID 4692 wrote to memory of 2428	4692	1bf0ebed6d2021af738c0e5d4447ef0125e9fb1611aeb1779e986df804d536f9.exe	82
PID 4692 wrote to memory of 1532	4692	1bf0ebed6d2021af738c0e5d4447ef0125e9fb1611aeb1779e986df804d536f9.exe	85
PID 4692 wrote to memory of 1532	4692	1bf0ebed6d2021af738c0e5d4447ef0125e9fb1611aeb1779e986df804d536f9.exe	85
PID 4692 wrote to memory of 1532	4692	1bf0ebed6d2021af738c0e5d4447ef0125e9fb1611aeb1779e986df804d536f9.exe	85
PID 1532 wrote to memory of 4524	1532	N.exe	87
PID 1532 wrote to memory of 4524	1532	N.exe	87
PID 1532 wrote to memory of 4524	1532	N.exe	87
PID 4692 wrote to memory of 864	4692	1bf0ebed6d2021af738c0e5d4447ef0125e9fb1611aeb1779e986df804d536f9.exe	88
PID 4692 wrote to memory of 864	4692	1bf0ebed6d2021af738c0e5d4447ef0125e9fb1611aeb1779e986df804d536f9.exe	88
PID 4692 wrote to memory of 864	4692	1bf0ebed6d2021af738c0e5d4447ef0125e9fb1611aeb1779e986df804d536f9.exe	88
PID 4580 wrote to memory of 4304	4580	TXPlatfor.exe	90
PID 4580 wrote to memory of 4304	4580	TXPlatfor.exe	90
PID 4580 wrote to memory of 4304	4580	TXPlatfor.exe	90
PID 4524 wrote to memory of 3204	4524	cmd.exe	92
PID 4524 wrote to memory of 3204	4524	cmd.exe	92
PID 4524 wrote to memory of 3204	4524	cmd.exe	92
PID 3908 wrote to memory of 2820	3908	svchost.exe	97
PID 3908 wrote to memory of 2820	3908	svchost.exe	97
PID 3908 wrote to memory of 2820	3908	svchost.exe	97

C:\Users\Admin\AppData\Local\Temp\1bf0ebed6d2021af738c0e5d4447ef0125e9fb1611aeb1779e986df804d536f9.exe
"C:\Users\Admin\AppData\Local\Temp\1bf0ebed6d2021af738c0e5d4447ef0125e9fb1611aeb1779e986df804d536f9.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:4692
- 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:2428
- 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:1532
- - 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:4524
  - - 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:3204
- C:\Users\Admin\AppData\Local\Temp\HD_1bf0ebed6d2021af738c0e5d4447ef0125e9fb1611aeb1779e986df804d536f9.exe
  C:\Users\Admin\AppData\Local\Temp\HD_1bf0ebed6d2021af738c0e5d4447ef0125e9fb1611aeb1779e986df804d536f9.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:864

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2840

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:3908
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240614875.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2820

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:4580
- 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:4304

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_1bf0ebed6d2021af738c0e5d4447ef0125e9fb1611aeb1779e986df804d536f9.exe

Filesize
32KB

MD5
ca01ccce03bc1809ad7350e7a67b00d6

SHA1
b5cc2598192c13da9b2017917b43df65b7500e41

SHA256
b098f59e540f0114f46d261c63d05f9fd780f2f9831e80514f629978cf086917

SHA512
96706d0b592d972c322dc010f1f4c1ea6fe62e9a45747f8c63529a1be23d39b8d0877cc3119cd2006da373efce852f73789688e5887ad2028aa0ea45dd6c31bd

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

Filesize
2.6MB

MD5
97958c76750221e2953392782e393c54

SHA1
125961f3d7ba5404792478b929e331a3188c0e42

SHA256
93bba883b08d311455ffdcd4c2a8f70a5e5eb4294a158c840ef6757b10259f6b

SHA512
2d5cfb8751911c4d3980cf2059e87c37ef3d9cf02736d8494f8983a05677abbcc750613b2d609540e0c317b94359b74b8347491a9417b36a3ad5b2d03d6363e2

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\240614875.txt

Filesize
899KB

MD5
d0bf5daa9527970b462edbe6b6f9bb10

SHA1
b3e2f4f1a5ca7042d1ec63bfbcfe075ebf530aa8

SHA256
945532ae9766df9f60a1bf6d10e0f3e5b4baf4386ea1823d6a9a80f309c35d9e

SHA512
eceace6e5d970930e4400ea1a11cc3fb7f693b62ecd6329b46e913be6b294feebe1976e05262bd8fed0f30e94fbe23d45e9474830da459078e8e5704f159d0c8

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1532-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1532-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1532-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1532-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4304-52-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4304-55-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4304-57-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4580-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4580-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4580-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download