gh0strat | 8dfa486449b8313ea17266bb73a453f4441038d015cffccb585d8e9db5f38668

Analysis

max time kernel
150s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-12-2024 13:45

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General

Target

8dfa486449b8313ea17266bb73a453f4441038d015cffccb585d8e9db5f38668.exe
Size

2.5MB
MD5

1bd342dfb1b9b74671677b7b240aec93
SHA1

336151fe21a1bd0f7b715834fa2cc50ca8c98947
SHA256

8dfa486449b8313ea17266bb73a453f4441038d015cffccb585d8e9db5f38668
SHA512

5f255527749f4f5794b73d18864206ff064b18319ef811b9d6b1f9a73d94f33958993d0806d10a40cebab17ee7dcb5c74a3f1ccaa5ada584b9be3ea627b32ebf
SSDEEP

49152:MCwsbCANnKXferL7Vwe/Gg0P+WhPJWJJsx3:fws2ANnKXOaeOgmhPJWJJsx3

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/3228-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3228-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3228-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4280-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4280-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5004-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5004-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5004-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5004-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5004-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023cae-5.dat	family_gh0strat
behavioral2/memory/3228-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3228-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3228-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4280-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4280-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5004-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5004-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5004-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5004-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5004-41-0x0000000010000000-0x00000000101B6000-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

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\\240637718.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 5 IoCs

pid	Process
3480	R.exe
3228	N.exe
4280	TXPlatfor.exe
5004	TXPlatfor.exe
4560	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
3480	R.exe
1752	svchost.exe
4560	Remote Data.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\240637718.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
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3228-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3228-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3228-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3228-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4280-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4280-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4280-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5004-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5004-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5004-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5004-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5004-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5004-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

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

description	ioc	Process
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	8dfa486449b8313ea17266bb73a453f4441038d015cffccb585d8e9db5f38668.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
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
1808	cmd.exe
4416	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4416	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
5004	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3228	N.exe
Token: SeLoadDriverPrivilege	5004	TXPlatfor.exe
Token: 33	5004	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	5004	TXPlatfor.exe
Token: 33	5004	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	5004	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2440	8dfa486449b8313ea17266bb73a453f4441038d015cffccb585d8e9db5f38668.exe
2440	8dfa486449b8313ea17266bb73a453f4441038d015cffccb585d8e9db5f38668.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 3480	2440	8dfa486449b8313ea17266bb73a453f4441038d015cffccb585d8e9db5f38668.exe	85
PID 2440 wrote to memory of 3480	2440	8dfa486449b8313ea17266bb73a453f4441038d015cffccb585d8e9db5f38668.exe	85
PID 2440 wrote to memory of 3480	2440	8dfa486449b8313ea17266bb73a453f4441038d015cffccb585d8e9db5f38668.exe	85
PID 2440 wrote to memory of 3228	2440	8dfa486449b8313ea17266bb73a453f4441038d015cffccb585d8e9db5f38668.exe	88
PID 2440 wrote to memory of 3228	2440	8dfa486449b8313ea17266bb73a453f4441038d015cffccb585d8e9db5f38668.exe	88
PID 2440 wrote to memory of 3228	2440	8dfa486449b8313ea17266bb73a453f4441038d015cffccb585d8e9db5f38668.exe	88
PID 3228 wrote to memory of 1808	3228	N.exe	90
PID 3228 wrote to memory of 1808	3228	N.exe	90
PID 3228 wrote to memory of 1808	3228	N.exe	90
PID 4280 wrote to memory of 5004	4280	TXPlatfor.exe	91
PID 4280 wrote to memory of 5004	4280	TXPlatfor.exe	91
PID 4280 wrote to memory of 5004	4280	TXPlatfor.exe	91
PID 1808 wrote to memory of 4416	1808	cmd.exe	93
PID 1808 wrote to memory of 4416	1808	cmd.exe	93
PID 1808 wrote to memory of 4416	1808	cmd.exe	93
PID 1752 wrote to memory of 4560	1752	svchost.exe	95
PID 1752 wrote to memory of 4560	1752	svchost.exe	95
PID 1752 wrote to memory of 4560	1752	svchost.exe	95

C:\Users\Admin\AppData\Local\Temp\8dfa486449b8313ea17266bb73a453f4441038d015cffccb585d8e9db5f38668.exe
"C:\Users\Admin\AppData\Local\Temp\8dfa486449b8313ea17266bb73a453f4441038d015cffccb585d8e9db5f38668.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2440
- 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:3480
- 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:3228
- - 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:1808
  - - 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:4416

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1388

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:1752
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240637718.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4560

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:4280
- 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:5004

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 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

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Downloads

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

Filesize
2.5MB

MD5
1bd342dfb1b9b74671677b7b240aec93

SHA1
336151fe21a1bd0f7b715834fa2cc50ca8c98947

SHA256
8dfa486449b8313ea17266bb73a453f4441038d015cffccb585d8e9db5f38668

SHA512
5f255527749f4f5794b73d18864206ff064b18319ef811b9d6b1f9a73d94f33958993d0806d10a40cebab17ee7dcb5c74a3f1ccaa5ada584b9be3ea627b32ebf

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\240637718.txt

Filesize
899KB

MD5
00bc1f9392e9003f65f220e2e66ece62

SHA1
6e71ead2d6a874460c2d34258af02575534e307c

SHA256
b9d69ecae77f599eb45f7037be3054e1cce13009cad08ed621e96cd82b47e99d

SHA512
b0fa1c69338c90d5107c42d71668fcfdaab199f9e2f7c6c53b33fe7122377677194406700966035b4eff666bdf1e714ef56dd8905f0c26e2cff5072d70377e38

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/3228-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3228-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3228-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3228-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4280-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4280-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4280-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5004-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5004-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5004-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5004-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5004-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5004-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads