gh0strat | af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-11-2024 22:14

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General

Target

af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe
Size

3.8MB
MD5

0940cbdee2b48519a514c885e12daab8
SHA1

d9c36d05a66c1edaad9587b6b22470225f1f72ec
SHA256

af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1
SHA512

6c2a0d9f7005e0b6888914cc924e3979844d79ece1efa3758f44a4d9e0f7adba923a8afa5ec18611fb7eda8973e69f45b8a0caef3eff8aa91b0d599e05406bc2
SSDEEP

98304:qws2ANnKXOaeOgmhhQazFWSJ8NfZNxmSd:gKXbeO77mSmf1ms

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
behavioral1/memory/2164-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2164-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3004-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3004-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3004-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3004-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3004-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259431690.txt	family_gh0strat
behavioral1/memory/2164-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2164-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3004-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3004-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3004-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3004-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3004-43-0x0000000010000000-0x00000000101B6000-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

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\\259431690.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 5 IoCs

Processes:

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

pid process

2680 R.exe
2164 N.exe
2804 TXPlatfor.exe
3004 TXPlatfor.exe
2180 Remote Data.exe

pid	process
2680	R.exe
2164	N.exe
2804	TXPlatfor.exe
3004	TXPlatfor.exe
2180	Remote Data.exe

Loads dropped DLL 7 IoCs

Processes:

af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exe

pid	process
1736	af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe
2680	R.exe
1808	svchost.exe
1736	af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe
2804	TXPlatfor.exe
1808	svchost.exe
2180	Remote Data.exe

Drops file in System32 directory 6 IoCs

Processes:

R.exesvchost.exeN.exe

description	ioc	process
File created	C:\Windows\SysWOW64\259431690.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
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2164-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2164-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2164-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3004-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3004-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3004-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3004-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3004-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3004-43-0x0000000010000000-0x00000000101B6000-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

Processes:

TXPlatfor.execmd.exePING.EXERemote Data.exeaf952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.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	af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.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:

cmd.exePING.EXE

pid process

2724 cmd.exe
2772 PING.EXE
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2772 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

3004 TXPlatfor.exe

pid	process
2724	cmd.exe
2772	PING.EXE

pid	process
2772	PING.EXE

pid	process
3004	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2164	N.exe
Token: SeLoadDriverPrivilege	3004	TXPlatfor.exe
Token: 33	3004	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3004	TXPlatfor.exe
Token: 33	3004	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3004	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe

pid	process
1736	af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe
1736	af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 1736 wrote to memory of 2680	1736	af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe	R.exe
PID 1736 wrote to memory of 2680	1736	af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe	R.exe
PID 1736 wrote to memory of 2680	1736	af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe	R.exe
PID 1736 wrote to memory of 2680	1736	af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe	R.exe
PID 1736 wrote to memory of 2164	1736	af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe	N.exe
PID 1736 wrote to memory of 2164	1736	af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe	N.exe
PID 1736 wrote to memory of 2164	1736	af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe	N.exe
PID 1736 wrote to memory of 2164	1736	af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe	N.exe
PID 1736 wrote to memory of 2164	1736	af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe	N.exe
PID 1736 wrote to memory of 2164	1736	af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe	N.exe
PID 1736 wrote to memory of 2164	1736	af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe	N.exe
PID 2164 wrote to memory of 2724	2164	N.exe	cmd.exe
PID 2164 wrote to memory of 2724	2164	N.exe	cmd.exe
PID 2164 wrote to memory of 2724	2164	N.exe	cmd.exe
PID 2164 wrote to memory of 2724	2164	N.exe	cmd.exe
PID 2804 wrote to memory of 3004	2804	TXPlatfor.exe	TXPlatfor.exe
PID 2804 wrote to memory of 3004	2804	TXPlatfor.exe	TXPlatfor.exe
PID 2804 wrote to memory of 3004	2804	TXPlatfor.exe	TXPlatfor.exe
PID 2804 wrote to memory of 3004	2804	TXPlatfor.exe	TXPlatfor.exe
PID 2804 wrote to memory of 3004	2804	TXPlatfor.exe	TXPlatfor.exe
PID 2804 wrote to memory of 3004	2804	TXPlatfor.exe	TXPlatfor.exe
PID 2804 wrote to memory of 3004	2804	TXPlatfor.exe	TXPlatfor.exe
PID 2724 wrote to memory of 2772	2724	cmd.exe	PING.EXE
PID 2724 wrote to memory of 2772	2724	cmd.exe	PING.EXE
PID 2724 wrote to memory of 2772	2724	cmd.exe	PING.EXE
PID 2724 wrote to memory of 2772	2724	cmd.exe	PING.EXE
PID 1808 wrote to memory of 2180	1808	svchost.exe	Remote Data.exe
PID 1808 wrote to memory of 2180	1808	svchost.exe	Remote Data.exe
PID 1808 wrote to memory of 2180	1808	svchost.exe	Remote Data.exe
PID 1808 wrote to memory of 2180	1808	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe
"C:\Users\Admin\AppData\Local\Temp\af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1736
- 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:2680
- 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:2164
- - 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:2724
  - - 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:2772

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2440

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:1808
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259431690.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2180

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:2804
- 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:3004

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_X.dat

Filesize
3.8MB

MD5
0940cbdee2b48519a514c885e12daab8

SHA1
d9c36d05a66c1edaad9587b6b22470225f1f72ec

SHA256
af952356dfe3f6ec0bf9189a4fb6c8723256fd3ca2be0cbc3c91eb241b9155c1

SHA512
6c2a0d9f7005e0b6888914cc924e3979844d79ece1efa3758f44a4d9e0f7adba923a8afa5ec18611fb7eda8973e69f45b8a0caef3eff8aa91b0d599e05406bc2

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259431690.txt

Filesize
899KB

MD5
1e77a542d691f98cdfc628acfd30f160

SHA1
0f29cf0f921e4bc754b09c0ad7e5898ece07197c

SHA256
5b6b2e359bc93565b468d2abb75e456ea481fb8f68cf2d2bc87e64ced93b087c

SHA512
ed228387239ebb58145ea46aa1159abcf486098c213eea87e46d4ad5d8d2750dd17a96ad933200d9fccb36763d89def798260ab5829d215dda74194ae26977ab

Download Submit
memory/2164-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2164-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2164-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3004-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3004-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3004-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3004-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3004-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3004-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download