gh0strat | 937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 5 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2840-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2840-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2680-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2680-50-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2680-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x0007000000019261-6.dat	family_gh0strat
behavioral1/memory/2840-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2840-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2680-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2680-50-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2680-52-0x0000000010000000-0x00000000101B6000-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
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\\259468709.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
2708	R.exe
2840	N.exe
2892	TXPlatfor.exe
2680	TXPlatfor.exe
2616	HD_937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe
1964	Remote Data.exe

Loads dropped DLL 9 IoCs

pid	Process
2212	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe
2708	R.exe
2780	svchost.exe
2212	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe
2892	TXPlatfor.exe
2212	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe
2212	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe
2780	svchost.exe
1964	Remote Data.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
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
File created	C:\Windows\SysWOW64\259468709.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	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/2840-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2840-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2840-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2680-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2680-50-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2680-52-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

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	N.exe
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	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.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
2524	cmd.exe
1344	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1344	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2212	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2680	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2840	N.exe
Token: SeLoadDriverPrivilege	2680	TXPlatfor.exe
Token: 33	2680	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2680	TXPlatfor.exe
Token: 33	2680	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2680	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2212	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe
2212	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2708	2212	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe	30
PID 2212 wrote to memory of 2708	2212	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe	30
PID 2212 wrote to memory of 2708	2212	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe	30
PID 2212 wrote to memory of 2708	2212	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe	30
PID 2212 wrote to memory of 2840	2212	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe	33
PID 2212 wrote to memory of 2840	2212	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe	33
PID 2212 wrote to memory of 2840	2212	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe	33
PID 2212 wrote to memory of 2840	2212	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe	33
PID 2212 wrote to memory of 2840	2212	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe	33
PID 2212 wrote to memory of 2840	2212	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe	33
PID 2212 wrote to memory of 2840	2212	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe	33
PID 2840 wrote to memory of 2524	2840	N.exe	35
PID 2840 wrote to memory of 2524	2840	N.exe	35
PID 2840 wrote to memory of 2524	2840	N.exe	35
PID 2840 wrote to memory of 2524	2840	N.exe	35
PID 2892 wrote to memory of 2680	2892	TXPlatfor.exe	36
PID 2892 wrote to memory of 2680	2892	TXPlatfor.exe	36
PID 2892 wrote to memory of 2680	2892	TXPlatfor.exe	36
PID 2892 wrote to memory of 2680	2892	TXPlatfor.exe	36
PID 2892 wrote to memory of 2680	2892	TXPlatfor.exe	36
PID 2892 wrote to memory of 2680	2892	TXPlatfor.exe	36
PID 2892 wrote to memory of 2680	2892	TXPlatfor.exe	36
PID 2212 wrote to memory of 2616	2212	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe	38
PID 2212 wrote to memory of 2616	2212	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe	38
PID 2212 wrote to memory of 2616	2212	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe	38
PID 2212 wrote to memory of 2616	2212	937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe	38
PID 2524 wrote to memory of 1344	2524	cmd.exe	39
PID 2524 wrote to memory of 1344	2524	cmd.exe	39
PID 2524 wrote to memory of 1344	2524	cmd.exe	39
PID 2524 wrote to memory of 1344	2524	cmd.exe	39
PID 2780 wrote to memory of 1964	2780	svchost.exe	40
PID 2780 wrote to memory of 1964	2780	svchost.exe	40
PID 2780 wrote to memory of 1964	2780	svchost.exe	40
PID 2780 wrote to memory of 1964	2780	svchost.exe	40

C:\Users\Admin\AppData\Local\Temp\937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe
"C:\Users\Admin\AppData\Local\Temp\937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2212
- 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:2708
- 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:2840
- - 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:2524
  - - 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:1344
- C:\Users\Admin\AppData\Local\Temp\HD_937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe
  C:\Users\Admin\AppData\Local\Temp\HD_937bb82a3612666c1480cf0b56dec2bbc0913b251a82961871d850f4301bd815.exe
  2⤵
  - Executes dropped EXE
  PID:2616

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2832

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:2780
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259468709.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1964

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:2892
- 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:2680

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_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\R.exe

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
\Windows\SysWOW64\259468709.txt

Filesize
899KB

MD5
1a26286044652e0f0d5f2e8afda1c8a2

SHA1
e705f1fa62c760594415e4838e1ee439b1f3ec15

SHA256
211b05826d16f087d826e5c54334bf0f1944329a35a91abfa8f01d1b84364fe5

SHA512
26007bb75401104a9df8d21472c6a852116a48513769a23e883a0b6ceda0fcea166495529962340ff2ae22c65bbd1a04b7c235d5022857a717b2c04e930330ad

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2680-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2680-50-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2680-52-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2840-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2840-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2840-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download