gh0strat | 15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-12-2024 17:13

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General

Target

15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe
Size

2.5MB
MD5

4f89e6153dfa8ede16b2ec41f09c3238
SHA1

b946736d01a7997bbaf0ba9b322a833120f0567f
SHA256

15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9
SHA512

61df8b1e1e9d6537d5a926fe7c7ad627e837e5f409cbf0f33ed2b86010a761d76766b1962d69f85b27237fc8be1484a8983718dca9a8d3b0fd12c78dda6f3385
SSDEEP

24576:HCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHV:HCwsbCANnKXferL7Vwe/Gg0P+Whl6oq

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/4196-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4196-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4196-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1516-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1516-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1260-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1260-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1260-55-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x000a000000023b88-5.dat	family_gh0strat
behavioral2/memory/4196-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4196-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4196-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1516-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1516-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1260-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1260-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1260-55-0x0000000010000000-0x00000000101B6000-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\\240630875.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
1292	R.exe
4196	N.exe
1516	TXPlatfor.exe
1260	TXPlatfor.exe
4200	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
1292	R.exe
2116	svchost.exe
4200	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\240630875.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 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4196-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4196-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4196-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4196-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1516-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1516-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1516-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1260-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1260-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1260-55-0x0000000010000000-0x00000000101B6000-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	15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.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 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	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	15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.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	svchost.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
2348	cmd.exe
2864	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2864	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3864	15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe
3864	15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1260	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4196	N.exe
Token: SeLoadDriverPrivilege	1260	TXPlatfor.exe
Token: 33	1260	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1260	TXPlatfor.exe
Token: 33	1260	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1260	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3864	15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe
3864	15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3864 wrote to memory of 1292	3864	15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe	84
PID 3864 wrote to memory of 1292	3864	15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe	84
PID 3864 wrote to memory of 1292	3864	15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe	84
PID 3864 wrote to memory of 4196	3864	15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe	87
PID 3864 wrote to memory of 4196	3864	15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe	87
PID 3864 wrote to memory of 4196	3864	15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe	87
PID 4196 wrote to memory of 2348	4196	N.exe	89
PID 4196 wrote to memory of 2348	4196	N.exe	89
PID 4196 wrote to memory of 2348	4196	N.exe	89
PID 1516 wrote to memory of 1260	1516	TXPlatfor.exe	90
PID 1516 wrote to memory of 1260	1516	TXPlatfor.exe	90
PID 1516 wrote to memory of 1260	1516	TXPlatfor.exe	90
PID 2348 wrote to memory of 2864	2348	cmd.exe	92
PID 2348 wrote to memory of 2864	2348	cmd.exe	92
PID 2348 wrote to memory of 2864	2348	cmd.exe	92
PID 2116 wrote to memory of 4200	2116	svchost.exe	94
PID 2116 wrote to memory of 4200	2116	svchost.exe	94
PID 2116 wrote to memory of 4200	2116	svchost.exe	94

C:\Users\Admin\AppData\Local\Temp\15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe
"C:\Users\Admin\AppData\Local\Temp\15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.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:3864
- 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:1292
- 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:4196
- - 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:2348
  - - 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:2864

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4328

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:2116
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240630875.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4200

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:1516
- 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:1260

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_X.dat

Filesize
2.4MB

MD5
7fa10ecef285e4775c68d38621381062

SHA1
edc85a549ed295835af25d32cffa1c37e302deba

SHA256
3af8406a80c318cc6383a8e0da7c76a55bcbc0413781dc5483b90137c4f2f40b

SHA512
31e27995e378dc3dae2e36ccb4c77462506f7e0518a9a94867abace285f9af336fda0fc4adce43632751c3fe36f410fc43ad6e03c9fddb5caed82081095c66af

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\240630875.txt

Filesize
899KB

MD5
f30799868cc57d622598d7ad6e44e242

SHA1
104c7687b743f58cac67a03e5f8109c422289834

SHA256
f39dc4fe40c294d64f9c771c54ea419a0045848a31cfebd42981412c6baffb6f

SHA512
6ec7be4784fb5882cce32bcc09238a8e9faf399af2916e3f6ee5745f82431b21676462e1edf4286a139b7b75cdd2417bacdbdd06ff956aa1f25b77334f59b214

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1260-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1260-55-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1260-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1516-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1516-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1516-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4196-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4196-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4196-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4196-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download