gh0strat | 5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
23-09-2024 15:19

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General

Target

5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe.exe
Size

2.7MB
MD5

b486ce35cff944a1a5d833c2f6d59ac2
SHA1

924aade26b361f075706de55a19b6c94d60ef5a2
SHA256

5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe
SHA512

1b2b47f6c1efbb1bd4d01c31ce6ad9d5dda388c2354c62b836ca0fefb8ba83324d038eaaf932433ae8141bae6d4b0d81adb3c6423f79425caacf7297cb5a278d
SSDEEP

49152:aCwsbCANnKXferL7Vwe/Gg0P+Wh+4F64V:Nws2ANnKXOaeOgmhdB

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2868-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2868-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2640-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2640-51-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2640-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x0008000000016d29-6.dat	family_gh0strat
behavioral1/memory/2868-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2868-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2640-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2640-51-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2640-52-0x0000000010000000-0x00000000101B6000-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
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan 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\\259420723.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
2788	R.exe
2868	N.exe
2704	TXPlatfor.exe
2640	TXPlatfor.exe
2244	HD_5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe.exe
1776	Remote Data.exe

Loads dropped DLL 9 IoCs

pid	Process
2732	5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe.exe
2788	R.exe
2440	svchost.exe
2732	5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe.exe
2704	TXPlatfor.exe
2732	5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe.exe
2732	5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe.exe
2440	svchost.exe
1776	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\259420723.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 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2868-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2868-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2868-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2640-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2640-51-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2640-52-0x0000000010000000-0x00000000101B6000-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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Remote Data.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
2608	cmd.exe
480	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
480	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2732	5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2640	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2868	N.exe
Token: SeLoadDriverPrivilege	2640	TXPlatfor.exe
Token: 33	2640	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2640	TXPlatfor.exe
Token: 33	2640	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2640	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2732	5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe.exe
2732	5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 2788	2732	5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe.exe	30
PID 2732 wrote to memory of 2788	2732	5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe.exe	30
PID 2732 wrote to memory of 2788	2732	5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe.exe	30
PID 2732 wrote to memory of 2788	2732	5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe.exe	30
PID 2732 wrote to memory of 2868	2732	5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe.exe	33
PID 2732 wrote to memory of 2868	2732	5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe.exe	33
PID 2732 wrote to memory of 2868	2732	5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe.exe	33
PID 2732 wrote to memory of 2868	2732	5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe.exe	33
PID 2732 wrote to memory of 2868	2732	5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe.exe	33
PID 2732 wrote to memory of 2868	2732	5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe.exe	33
PID 2732 wrote to memory of 2868	2732	5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe.exe	33
PID 2868 wrote to memory of 2608	2868	N.exe	35
PID 2868 wrote to memory of 2608	2868	N.exe	35
PID 2868 wrote to memory of 2608	2868	N.exe	35
PID 2868 wrote to memory of 2608	2868	N.exe	35
PID 2704 wrote to memory of 2640	2704	TXPlatfor.exe	36
PID 2704 wrote to memory of 2640	2704	TXPlatfor.exe	36
PID 2704 wrote to memory of 2640	2704	TXPlatfor.exe	36
PID 2704 wrote to memory of 2640	2704	TXPlatfor.exe	36
PID 2704 wrote to memory of 2640	2704	TXPlatfor.exe	36
PID 2704 wrote to memory of 2640	2704	TXPlatfor.exe	36
PID 2704 wrote to memory of 2640	2704	TXPlatfor.exe	36
PID 2732 wrote to memory of 2244	2732	5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe.exe	38
PID 2732 wrote to memory of 2244	2732	5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe.exe	38
PID 2732 wrote to memory of 2244	2732	5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe.exe	38
PID 2732 wrote to memory of 2244	2732	5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe.exe	38
PID 2608 wrote to memory of 480	2608	cmd.exe	39
PID 2608 wrote to memory of 480	2608	cmd.exe	39
PID 2608 wrote to memory of 480	2608	cmd.exe	39
PID 2608 wrote to memory of 480	2608	cmd.exe	39
PID 2440 wrote to memory of 1776	2440	svchost.exe	40
PID 2440 wrote to memory of 1776	2440	svchost.exe	40
PID 2440 wrote to memory of 1776	2440	svchost.exe	40
PID 2440 wrote to memory of 1776	2440	svchost.exe	40

C:\Users\Admin\AppData\Local\Temp\5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe.exe
"C:\Users\Admin\AppData\Local\Temp\5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2732
- 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:2788
- 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:2868
- - 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:2608
  - - 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:480
- C:\Users\Admin\AppData\Local\Temp\HD_5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe.exe
  C:\Users\Admin\AppData\Local\Temp\HD_5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe.exe
  2⤵
  - Executes dropped EXE
  PID:2244

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2784

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:2440
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259420723.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1776

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2704
- 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:2640

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_5379dd2fa1e21b4bbb686080d5d3d8e9787006ccd74e035214b534c1dff75ebe.exe

Filesize
226KB

MD5
b2b65f2569b7940e6d9152e87b5c86e8

SHA1
af3db7d76e5b46fd375689213145e9349cf34bb8

SHA256
e79e17925b72439954264b511a635e7750bafb178b7f17e9eb03648cabe209d0

SHA512
c683e1d8f8ac752e02f1896964b9b131d5a44be6e621886b0da134f28f58da1494d19eeb32f6452aab0080d95969b55a3351925ebe0fd8ba42896dd81c0e3da5

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

Filesize
2.4MB

MD5
db30c64a68c21a816f6faf5eb4b13248

SHA1
816923d47f719cf12d364ffafd2f9441e9483776

SHA256
70ca45b56685c68ddcc3443c26023b4a99646eef3b292af091b4dea42a427e9b

SHA512
d5246435f4f00d5ca021efa284d642cc9db355b15b214e90afe1556eb16a181fe6b70bdd05482c951c9e039ffd0d4b5236f0e288c21cbf7d4adbfe5dbcc178ee

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
\Windows\SysWOW64\259420723.txt

Filesize
899KB

MD5
9313ca4255a84c3af4206ba164253c26

SHA1
bc9ce0a317ac874e3e55d112b530148c9adca2b4

SHA256
a5bc83cdde2a0afba3f2d1e62624792959b64a9d003870d84cf78b7114489b20

SHA512
db5feda94e2f7b982fcd0ebb22f8c9babeb4bf0d2c4f23e2e2d224aeadb3de37dc8001902e064689533aa2aaa54f5657563a026647ed815c7562add9912c25ff

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2640-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2640-51-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2640-52-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2868-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2868-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2868-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download