gh0strat | c5be2440e585cbc4de32314cbdae2e904b81e53d45d0597c1c484649615c9d69

Analysis

max time kernel
150s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
28-12-2024 15:47

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General

Target

c5be2440e585cbc4de32314cbdae2e904b81e53d45d0597c1c484649615c9d69.exe
Size

4.3MB
MD5

9ea97062269da599a23f3790e42fac71
SHA1

962df0a7a496cb36cf5c1ae45920840ce3c53328
SHA256

c5be2440e585cbc4de32314cbdae2e904b81e53d45d0597c1c484649615c9d69
SHA512

0ad91722696880e005274c38f1dee612b145a8b64cda231562736a08451374efcb17d5f951a036d9c32f2e2891be48c0e15e36ed5ccd7b76272d9eb592e860e0
SSDEEP

49152:eCwsbCANnKXferL7Vwe/Gg0P+WhnYeOazv2MRrTIGGiert88NXmckpe9Z:Zws2ANnKXOaeOgmhniMRrTIOe+8

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/2704-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2704-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2532-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2532-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2532-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x0008000000017530-6.dat	family_gh0strat
behavioral1/memory/2704-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2704-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2532-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2532-46-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2532-49-0x0000000010000000-0x00000000101B6000-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\\259479114.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
2772	R.exe
2704	N.exe
2552	TXPlatfor.exe
2532	TXPlatfor.exe
1892	HD_c5be2440e585cbc4de32314cbdae2e904b81e53d45d0597c1c484649615c9d69.exe
2136	Remote Data.exe

Loads dropped DLL 8 IoCs

pid	Process
2668	c5be2440e585cbc4de32314cbdae2e904b81e53d45d0597c1c484649615c9d69.exe
2772	R.exe
2672	svchost.exe
2668	c5be2440e585cbc4de32314cbdae2e904b81e53d45d0597c1c484649615c9d69.exe
2552	TXPlatfor.exe
2668	c5be2440e585cbc4de32314cbdae2e904b81e53d45d0597c1c484649615c9d69.exe
2672	svchost.exe
2136	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\259479114.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/2704-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2704-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2704-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2532-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2532-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2532-49-0x0000000010000000-0x00000000101B6000-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	c5be2440e585cbc4de32314cbdae2e904b81e53d45d0597c1c484649615c9d69.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
2640	cmd.exe
2840	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2840	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2668	c5be2440e585cbc4de32314cbdae2e904b81e53d45d0597c1c484649615c9d69.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2532	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2704	N.exe
Token: SeLoadDriverPrivilege	2532	TXPlatfor.exe
Token: 33	2532	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2532	TXPlatfor.exe
Token: 33	2532	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2532	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2668	c5be2440e585cbc4de32314cbdae2e904b81e53d45d0597c1c484649615c9d69.exe
2668	c5be2440e585cbc4de32314cbdae2e904b81e53d45d0597c1c484649615c9d69.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2772	2668	c5be2440e585cbc4de32314cbdae2e904b81e53d45d0597c1c484649615c9d69.exe	30
PID 2668 wrote to memory of 2772	2668	c5be2440e585cbc4de32314cbdae2e904b81e53d45d0597c1c484649615c9d69.exe	30
PID 2668 wrote to memory of 2772	2668	c5be2440e585cbc4de32314cbdae2e904b81e53d45d0597c1c484649615c9d69.exe	30
PID 2668 wrote to memory of 2772	2668	c5be2440e585cbc4de32314cbdae2e904b81e53d45d0597c1c484649615c9d69.exe	30
PID 2668 wrote to memory of 2704	2668	c5be2440e585cbc4de32314cbdae2e904b81e53d45d0597c1c484649615c9d69.exe	33
PID 2668 wrote to memory of 2704	2668	c5be2440e585cbc4de32314cbdae2e904b81e53d45d0597c1c484649615c9d69.exe	33
PID 2668 wrote to memory of 2704	2668	c5be2440e585cbc4de32314cbdae2e904b81e53d45d0597c1c484649615c9d69.exe	33
PID 2668 wrote to memory of 2704	2668	c5be2440e585cbc4de32314cbdae2e904b81e53d45d0597c1c484649615c9d69.exe	33
PID 2668 wrote to memory of 2704	2668	c5be2440e585cbc4de32314cbdae2e904b81e53d45d0597c1c484649615c9d69.exe	33
PID 2668 wrote to memory of 2704	2668	c5be2440e585cbc4de32314cbdae2e904b81e53d45d0597c1c484649615c9d69.exe	33
PID 2668 wrote to memory of 2704	2668	c5be2440e585cbc4de32314cbdae2e904b81e53d45d0597c1c484649615c9d69.exe	33
PID 2704 wrote to memory of 2640	2704	N.exe	35
PID 2704 wrote to memory of 2640	2704	N.exe	35
PID 2704 wrote to memory of 2640	2704	N.exe	35
PID 2704 wrote to memory of 2640	2704	N.exe	35
PID 2552 wrote to memory of 2532	2552	TXPlatfor.exe	36
PID 2552 wrote to memory of 2532	2552	TXPlatfor.exe	36
PID 2552 wrote to memory of 2532	2552	TXPlatfor.exe	36
PID 2552 wrote to memory of 2532	2552	TXPlatfor.exe	36
PID 2552 wrote to memory of 2532	2552	TXPlatfor.exe	36
PID 2552 wrote to memory of 2532	2552	TXPlatfor.exe	36
PID 2552 wrote to memory of 2532	2552	TXPlatfor.exe	36
PID 2668 wrote to memory of 1892	2668	c5be2440e585cbc4de32314cbdae2e904b81e53d45d0597c1c484649615c9d69.exe	38
PID 2668 wrote to memory of 1892	2668	c5be2440e585cbc4de32314cbdae2e904b81e53d45d0597c1c484649615c9d69.exe	38
PID 2668 wrote to memory of 1892	2668	c5be2440e585cbc4de32314cbdae2e904b81e53d45d0597c1c484649615c9d69.exe	38
PID 2668 wrote to memory of 1892	2668	c5be2440e585cbc4de32314cbdae2e904b81e53d45d0597c1c484649615c9d69.exe	38
PID 2640 wrote to memory of 2840	2640	cmd.exe	39
PID 2640 wrote to memory of 2840	2640	cmd.exe	39
PID 2640 wrote to memory of 2840	2640	cmd.exe	39
PID 2640 wrote to memory of 2840	2640	cmd.exe	39
PID 2672 wrote to memory of 2136	2672	svchost.exe	40
PID 2672 wrote to memory of 2136	2672	svchost.exe	40
PID 2672 wrote to memory of 2136	2672	svchost.exe	40
PID 2672 wrote to memory of 2136	2672	svchost.exe	40

C:\Users\Admin\AppData\Local\Temp\c5be2440e585cbc4de32314cbdae2e904b81e53d45d0597c1c484649615c9d69.exe
"C:\Users\Admin\AppData\Local\Temp\c5be2440e585cbc4de32314cbdae2e904b81e53d45d0597c1c484649615c9d69.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2668
- 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:2772
- 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:2704
- - 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:2640
  - - 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:2840
- C:\Users\Admin\AppData\Local\Temp\HD_c5be2440e585cbc4de32314cbdae2e904b81e53d45d0597c1c484649615c9d69.exe
  C:\Users\Admin\AppData\Local\Temp\HD_c5be2440e585cbc4de32314cbdae2e904b81e53d45d0597c1c484649615c9d69.exe
  2⤵
  - Executes dropped EXE
  PID:1892

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2680

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:2672
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259479114.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2136

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:2552
- 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:2532

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
2.6MB

MD5
7de2590d82ae8c59050f2dcb1cca923b

SHA1
4024f8ad6c409ffa06cc8bf9005638a2a06188be

SHA256
9cc1f468c514f48932bd9e3f8d2d231d116c46932df7ed0cbd03430c1a72e85c

SHA512
46fe5badd9129952384e784c54ca78ac62f1817534472529f301ffe8da59425833fcb6874e9e2de39798eebdac564aa6d6981e22be3ef4c93962c09d550595c2

Download Submit
\Users\Admin\AppData\Local\Temp\HD_c5be2440e585cbc4de32314cbdae2e904b81e53d45d0597c1c484649615c9d69.exe

Filesize
1.7MB

MD5
0d46d9218b50532fa25f0fb6490de5d3

SHA1
0b5d2a4accfaa282588fa840a636536ac101d907

SHA256
4c03dc1ab5d43ff7a78d41a1bdcfae3f2e1590afbe58ac9aa755559a722a279b

SHA512
5ec6f0a8a82a9a9ed90bdee4db03edfb962880bdfd87dbf807e99d015ed49ddd8f313d0ebe0bcd752fb9997c403a040c521e46c495a9f3e30d674a540efd84dc

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259479114.txt

Filesize
899KB

MD5
22113d62fc3bb2ce8b0eeda6ca7199e0

SHA1
2babfc38e4addb81664fe9e722132d5c7143b4d4

SHA256
b0acc9d695ae6cff44c9986b5c79ca9a4f5003941b73f206d31ab278014009e8

SHA512
5cdfa470b0fd84307db8b511e1b5f10dd734cfb4b1d73b5f67a8d3953cb8d6cc40a94a38469c16fe3d9d8c5ee7cd9d173e107e33c5c9994227d50c12f3519186

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2532-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2532-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2532-49-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2704-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2704-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2704-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download