gh0strat | c8f7beb00c89331c18d521d1216e4aff45cc8cd9b09bb6b18d9b26c217a7290c

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-10-2024 07:34

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General

Target

c8f7beb00c89331c18d521d1216e4aff45cc8cd9b09bb6b18d9b26c217a7290c.exe
Size

4.7MB
MD5

53ffe128c1a3fe690825d7e585c0c341
SHA1

4f3016cb1e04c9dd75675862c442fbb988db6ef2
SHA256

c8f7beb00c89331c18d521d1216e4aff45cc8cd9b09bb6b18d9b26c217a7290c
SHA512

6191e752f8b982f5b86904b5364196592fb14689b830df11bb68784067a4d2afadc945ba23521bf4b51e9f2baca898c0608b144b722e94607e3ea02c8a2e830c
SSDEEP

49152:rQZAdVyVT9n/Gg0P+Who518MAFpnnJH9BUfKn+95lRVfAa0Vg76Lo2E2T8avTl2p:8GdVyVT9nOgmh1MA3vBUGHo+m

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
behavioral1/memory/2384-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2384-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2384-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1820-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1820-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2180-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2180-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2180-83-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/2384-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2384-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2384-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1820-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x00070000000173f1-30.dat	family_gh0strat
behavioral1/memory/1820-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2180-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2180-49-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2180-83-0x0000000010000000-0x00000000101B6000-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
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\drivers\QAssist.sys	TXPlatforn.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\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\259426729.txt"	svchos.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"	TXPlatforn.exe

Executes dropped EXE 6 IoCs

pid	Process
2384	svchost.exe
1820	TXPlatforn.exe
2820	svchos.exe
2180	TXPlatforn.exe
2852	HD_c8f7beb00c89331c18d521d1216e4aff45cc8cd9b09bb6b18d9b26c217a7290c.exe
2300	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 8 IoCs

pid	Process
2532	c8f7beb00c89331c18d521d1216e4aff45cc8cd9b09bb6b18d9b26c217a7290c.exe
2532	c8f7beb00c89331c18d521d1216e4aff45cc8cd9b09bb6b18d9b26c217a7290c.exe
1820	TXPlatforn.exe
2820	svchos.exe
2860	svchost.exe
2532	c8f7beb00c89331c18d521d1216e4aff45cc8cd9b09bb6b18d9b26c217a7290c.exe
2860	svchost.exe
2300	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File created	C:\Windows\SysWOW64\259426729.txt	svchos.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	svchos.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2384-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2384-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2384-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2384-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1820-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1820-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2180-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2180-49-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2180-83-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	c8f7beb00c89331c18d521d1216e4aff45cc8cd9b09bb6b18d9b26c217a7290c.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	c8f7beb00c89331c18d521d1216e4aff45cc8cd9b09bb6b18d9b26c217a7290c.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	c8f7beb00c89331c18d521d1216e4aff45cc8cd9b09bb6b18d9b26c217a7290c.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	c8f7beb00c89331c18d521d1216e4aff45cc8cd9b09bb6b18d9b26c217a7290c.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c8f7beb00c89331c18d521d1216e4aff45cc8cd9b09bb6b18d9b26c217a7290c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchos.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
2080	cmd.exe
2636	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2636	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2532	c8f7beb00c89331c18d521d1216e4aff45cc8cd9b09bb6b18d9b26c217a7290c.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2180	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2384	svchost.exe
Token: SeLoadDriverPrivilege	2180	TXPlatforn.exe
Token: 33	2180	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2180	TXPlatforn.exe
Token: 33	2180	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2180	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2532	c8f7beb00c89331c18d521d1216e4aff45cc8cd9b09bb6b18d9b26c217a7290c.exe
2532	c8f7beb00c89331c18d521d1216e4aff45cc8cd9b09bb6b18d9b26c217a7290c.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 2384	2532	c8f7beb00c89331c18d521d1216e4aff45cc8cd9b09bb6b18d9b26c217a7290c.exe	30
PID 2532 wrote to memory of 2384	2532	c8f7beb00c89331c18d521d1216e4aff45cc8cd9b09bb6b18d9b26c217a7290c.exe	30
PID 2532 wrote to memory of 2384	2532	c8f7beb00c89331c18d521d1216e4aff45cc8cd9b09bb6b18d9b26c217a7290c.exe	30
PID 2532 wrote to memory of 2384	2532	c8f7beb00c89331c18d521d1216e4aff45cc8cd9b09bb6b18d9b26c217a7290c.exe	30
PID 2532 wrote to memory of 2384	2532	c8f7beb00c89331c18d521d1216e4aff45cc8cd9b09bb6b18d9b26c217a7290c.exe	30
PID 2532 wrote to memory of 2384	2532	c8f7beb00c89331c18d521d1216e4aff45cc8cd9b09bb6b18d9b26c217a7290c.exe	30
PID 2532 wrote to memory of 2384	2532	c8f7beb00c89331c18d521d1216e4aff45cc8cd9b09bb6b18d9b26c217a7290c.exe	30
PID 2384 wrote to memory of 2080	2384	svchost.exe	32
PID 2384 wrote to memory of 2080	2384	svchost.exe	32
PID 2384 wrote to memory of 2080	2384	svchost.exe	32
PID 2384 wrote to memory of 2080	2384	svchost.exe	32
PID 2532 wrote to memory of 2820	2532	c8f7beb00c89331c18d521d1216e4aff45cc8cd9b09bb6b18d9b26c217a7290c.exe	34
PID 2532 wrote to memory of 2820	2532	c8f7beb00c89331c18d521d1216e4aff45cc8cd9b09bb6b18d9b26c217a7290c.exe	34
PID 2532 wrote to memory of 2820	2532	c8f7beb00c89331c18d521d1216e4aff45cc8cd9b09bb6b18d9b26c217a7290c.exe	34
PID 2532 wrote to memory of 2820	2532	c8f7beb00c89331c18d521d1216e4aff45cc8cd9b09bb6b18d9b26c217a7290c.exe	34
PID 1820 wrote to memory of 2180	1820	TXPlatforn.exe	35
PID 1820 wrote to memory of 2180	1820	TXPlatforn.exe	35
PID 1820 wrote to memory of 2180	1820	TXPlatforn.exe	35
PID 1820 wrote to memory of 2180	1820	TXPlatforn.exe	35
PID 1820 wrote to memory of 2180	1820	TXPlatforn.exe	35
PID 1820 wrote to memory of 2180	1820	TXPlatforn.exe	35
PID 1820 wrote to memory of 2180	1820	TXPlatforn.exe	35
PID 2080 wrote to memory of 2636	2080	cmd.exe	38
PID 2080 wrote to memory of 2636	2080	cmd.exe	38
PID 2080 wrote to memory of 2636	2080	cmd.exe	38
PID 2080 wrote to memory of 2636	2080	cmd.exe	38
PID 2860 wrote to memory of 2300	2860	svchost.exe	40
PID 2860 wrote to memory of 2300	2860	svchost.exe	40
PID 2860 wrote to memory of 2300	2860	svchost.exe	40
PID 2860 wrote to memory of 2300	2860	svchost.exe	40

C:\Users\Admin\AppData\Local\Temp\c8f7beb00c89331c18d521d1216e4aff45cc8cd9b09bb6b18d9b26c217a7290c.exe
"C:\Users\Admin\AppData\Local\Temp\c8f7beb00c89331c18d521d1216e4aff45cc8cd9b09bb6b18d9b26c217a7290c.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\\svchost.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:2384
- - 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\svchost.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2080
  - - 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:2636
- C:\Users\Admin\AppData\Local\Temp\svchos.exe
  C:\Users\Admin\AppData\Local\Temp\\svchos.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:2820
- C:\Users\Admin\AppData\Local\Temp\HD_c8f7beb00c89331c18d521d1216e4aff45cc8cd9b09bb6b18d9b26c217a7290c.exe
  C:\Users\Admin\AppData\Local\Temp\HD_c8f7beb00c89331c18d521d1216e4aff45cc8cd9b09bb6b18d9b26c217a7290c.exe
  2⤵
  - Executes dropped EXE
  PID:2852

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Windows\SysWOW64\TXPlatforn.exe
  C:\Windows\SysWOW64\TXPlatforn.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:2180

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2796

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2860
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259426729.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2300

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
1.6MB

MD5
239aa557c50920d5b084fad8f3c40867

SHA1
5a72500c38b4c1fd633791a7b5604d2dbc7c3fd2

SHA256
223723c3c853c4f387caebaf1a5caa8428c5683fd603bc8a6af8527c2dc3c1f6

SHA512
3e2ea3d00af49e15aa83ad30236205cda1b2bb9cbe18ccddcbb8175e7b09a10e1a23f5a8be82912298ceccf95026028b56499cd7a5a82b744280653d9a183d79

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_c8f7beb00c89331c18d521d1216e4aff45cc8cd9b09bb6b18d9b26c217a7290c.exe

Filesize
3.2MB

MD5
7faa5ffa86c7629b995db9db9de5840e

SHA1
a5b83fe6745288cb6fa18450b3f9ad918fe90970

SHA256
ddda6f7397e8ebe11981b6ba137af2d99a72fe3ac1b14afee00737eca6738ed3

SHA512
7aa8e32117951be916c8f829f1f7ebae999292edf45abd4dc8ffab5a21a87ffdc956246b1c2aa62ece63fc39ef9eb7ee0d51fc1a797d0f5051ce0b9216e2633c

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

Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

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

Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
\Windows\SysWOW64\259426729.txt

Filesize
50KB

MD5
5e50d125ee9f1110599b3773bdb67a8b

SHA1
c64eea89f049378516264858e96a9b994700a377

SHA256
a8207acbc9976479a3207147081bb837db669f1dbf1fab3e46a436e7cbeeb713

SHA512
b8e5a854eb9897a868c29ed23e51364ab13a1c58a8c2c20e7319a7fddebf89cbb173d53cf71d857650496ed21ce31a48f990d677c2907023ad391057ba5579f0

Download Submit
\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1820-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1820-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2180-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2180-49-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2180-83-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2384-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2384-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2384-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2384-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download