gh0strat | 937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815

Analysis

max time kernel
150s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-11-2024 00:29

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General

Target

937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe
Size

3.4MB
MD5

5ba05d0e1f629bcdec56c07e0582bc32
SHA1

4e1c9780491432d3156df92058aee4df519274bc
SHA256

937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815
SHA512

42fe5b9701d32079c5e201a9b4dbe5089e0e7c8151659a795341fbe4e939b9efbf88e8c3b1e5c1f5a508237cf24b12e5e1039987060e93d65bdaa919b8281aa6
SSDEEP

49152:ajwsbCANnKXferL7Vwe/Gg0P+WhgaggDmn2SCt5jT0:Aws2ANnKXOaeOgmhgfgDmn2Pj

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/2508-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2508-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2508-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/752-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/752-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4424-54-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4424-57-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4424-59-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023c84-5.dat	family_gh0strat
behavioral2/memory/2508-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2508-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2508-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/752-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/752-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4424-54-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4424-57-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4424-59-0x0000000010000000-0x00000000101B6000-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\\240635953.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
1816	R.exe
2508	N.exe
752	TXPlatfor.exe
2152	HD_937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe
4424	TXPlatfor.exe
1196	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
1816	R.exe
3708	svchost.exe
1196	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\240635953.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/2508-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2508-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2508-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2508-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/752-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/752-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/752-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4424-54-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4424-57-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4424-59-0x0000000010000000-0x00000000101B6000-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	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.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	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Remote Data.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
3756	cmd.exe
5088	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
5088	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3744	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe
3744	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4424	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2508	N.exe
Token: SeLoadDriverPrivilege	4424	TXPlatfor.exe
Token: 33	4424	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4424	TXPlatfor.exe
Token: 33	4424	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4424	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3744	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe
3744	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3744 wrote to memory of 1816	3744	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe	83
PID 3744 wrote to memory of 1816	3744	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe	83
PID 3744 wrote to memory of 1816	3744	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe	83
PID 3744 wrote to memory of 2508	3744	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe	87
PID 3744 wrote to memory of 2508	3744	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe	87
PID 3744 wrote to memory of 2508	3744	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe	87
PID 2508 wrote to memory of 3756	2508	N.exe	91
PID 2508 wrote to memory of 3756	2508	N.exe	91
PID 2508 wrote to memory of 3756	2508	N.exe	91
PID 3744 wrote to memory of 2152	3744	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe	92
PID 3744 wrote to memory of 2152	3744	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe	92
PID 3744 wrote to memory of 2152	3744	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe	92
PID 752 wrote to memory of 4424	752	TXPlatfor.exe	93
PID 752 wrote to memory of 4424	752	TXPlatfor.exe	93
PID 752 wrote to memory of 4424	752	TXPlatfor.exe	93
PID 3756 wrote to memory of 5088	3756	cmd.exe	95
PID 3756 wrote to memory of 5088	3756	cmd.exe	95
PID 3756 wrote to memory of 5088	3756	cmd.exe	95
PID 3708 wrote to memory of 1196	3708	svchost.exe	99
PID 3708 wrote to memory of 1196	3708	svchost.exe	99
PID 3708 wrote to memory of 1196	3708	svchost.exe	99

C:\Users\Admin\AppData\Local\Temp\937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe
"C:\Users\Admin\AppData\Local\Temp\937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.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:3744
- 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:1816
- 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:2508
- - 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:3756
  - - 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:5088
- C:\Users\Admin\AppData\Local\Temp\HD_937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe
  C:\Users\Admin\AppData\Local\Temp\HD_937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2152

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:3044

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:3708
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240635953.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1196

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:752
- 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:4424

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe

Filesize
808KB

MD5
d349c077310995b47b40bb2774b7aba1

SHA1
40035bee259c9b391e768afa9dc195d08d6ceccc

SHA256
b4d1deaac11f1226026c78495f3e68ce61c5d194fe46460ad1dbde027594c53d

SHA512
8f3899df33282fb28f8898a3800fc252378fd165d0ebebf843bf2145de2135c53859e6a170d418533d833ed566347d0f023e6810476aa66c6b7c2c861d4b73fd

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

Filesize
2.6MB

MD5
d4a7ce2fa1f0ad773ebb8465370ff3ef

SHA1
92e6a0bd3cef63084280ddcb8c3c9c4c53c66409

SHA256
c1299c1c23bdf73e1637b773036707cd2f02e5f73d3a095f4ee2f8c50218a1eb

SHA512
a11b439540f815e867d5c74e50dd5ebaeed43cf5d0b80ba1f17a878764d965309576b13cd0de2d62b923152825607eeaf2b282baf2a69bf87a728499269296cf

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\240635953.txt

Filesize
899KB

MD5
1a26286044652e0f0d5f2e8afda1c8a2

SHA1
e705f1fa62c760594415e4838e1ee439b1f3ec15

SHA256
211b05826d16f087d826e5c54334bf0f1944329a35a91abfa8f01d1b84364fe5

SHA512
26007bb75401104a9df8d21472c6a852116a48513769a23e883a0b6ceda0fcea166495529962340ff2ae22c65bbd1a04b7c235d5022857a717b2c04e930330ad

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/752-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/752-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/752-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2508-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2508-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2508-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2508-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4424-54-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4424-57-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4424-59-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download