gh0strat | f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
25/06/2024, 21:21

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General

Target

f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe
Size

3.7MB
MD5

a9f2b507708255c94f3b004a49b069bd
SHA1

229d950d4ca2c7a6f29f287f22a5623e85367ff1
SHA256

f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c
SHA512

54fd6bccb2878be5368881c2131c030a7617bb0507cac858811d3ac4170bacfd7f6f163d10c7a6ecf021a0dc55033fc8a252ffe79131c0962ee17e9ad828c1fb
SSDEEP

49152:FQZAdVyVT9n/Gg0P+WhorD4FQDr9hqhtrvtRpnUn7A1qqyKTwv7f:eGdVyVT9nOgmh3ShArV/UnsUqyvr

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/1692-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1692-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2600-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1692-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2600-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1636-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1636-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1636-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/1692-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1692-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2600-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1692-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2600-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x0009000000015cf3-34.dat	family_gh0strat
behavioral1/memory/1636-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1636-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1636-41-0x0000000010000000-0x00000000101B6000-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\\259398836.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
1692	svchost.exe
2600	TXPlatforn.exe
2876	svchos.exe
1636	TXPlatforn.exe
2652	HD_f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe
1656	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 8 IoCs

pid	Process
1736	f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe
1736	f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe
2600	TXPlatforn.exe
2876	svchos.exe
2808	svchost.exe
1736	f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe
2808	svchost.exe
1656	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1692-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1692-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1692-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2600-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1692-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2600-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1636-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1636-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1636-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ini.ini	svchos.exe
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\259398836.txt	svchos.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2784	PING.EXE

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1736	f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe
2652	HD_f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe
2652	HD_f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1636	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1692	svchost.exe
Token: SeLoadDriverPrivilege	1636	TXPlatforn.exe
Token: 33	1636	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	1636	TXPlatforn.exe
Token: 33	1636	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	1636	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1736	f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe
1736	f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 1692	1736	f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe	28
PID 1736 wrote to memory of 1692	1736	f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe	28
PID 1736 wrote to memory of 1692	1736	f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe	28
PID 1736 wrote to memory of 1692	1736	f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe	28
PID 1736 wrote to memory of 1692	1736	f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe	28
PID 1736 wrote to memory of 1692	1736	f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe	28
PID 1736 wrote to memory of 1692	1736	f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe	28
PID 1692 wrote to memory of 2204	1692	svchost.exe	30
PID 1692 wrote to memory of 2204	1692	svchost.exe	30
PID 1692 wrote to memory of 2204	1692	svchost.exe	30
PID 1692 wrote to memory of 2204	1692	svchost.exe	30
PID 1736 wrote to memory of 2876	1736	f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe	32
PID 1736 wrote to memory of 2876	1736	f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe	32
PID 1736 wrote to memory of 2876	1736	f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe	32
PID 1736 wrote to memory of 2876	1736	f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe	32
PID 2600 wrote to memory of 1636	2600	TXPlatforn.exe	33
PID 2600 wrote to memory of 1636	2600	TXPlatforn.exe	33
PID 2600 wrote to memory of 1636	2600	TXPlatforn.exe	33
PID 2600 wrote to memory of 1636	2600	TXPlatforn.exe	33
PID 2600 wrote to memory of 1636	2600	TXPlatforn.exe	33
PID 2600 wrote to memory of 1636	2600	TXPlatforn.exe	33
PID 2600 wrote to memory of 1636	2600	TXPlatforn.exe	33
PID 2204 wrote to memory of 2784	2204	cmd.exe	34
PID 2204 wrote to memory of 2784	2204	cmd.exe	34
PID 2204 wrote to memory of 2784	2204	cmd.exe	34
PID 2204 wrote to memory of 2784	2204	cmd.exe	34
PID 1736 wrote to memory of 2652	1736	f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe	37
PID 1736 wrote to memory of 2652	1736	f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe	37
PID 1736 wrote to memory of 2652	1736	f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe	37
PID 1736 wrote to memory of 2652	1736	f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe	37
PID 2808 wrote to memory of 1656	2808	svchost.exe	38
PID 2808 wrote to memory of 1656	2808	svchost.exe	38
PID 2808 wrote to memory of 1656	2808	svchost.exe	38
PID 2808 wrote to memory of 1656	2808	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe
"C:\Users\Admin\AppData\Local\Temp\f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1736
- 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
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1692
- - 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⤵
    - Suspicious use of WriteProcessMemory
    PID:2204
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2784
- 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
  PID:2876
- C:\Users\Admin\AppData\Local\Temp\HD_f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe
  C:\Users\Admin\AppData\Local\Temp\HD_f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:2652

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2600
- 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:1636

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2816

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259398836.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1656

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
1.5MB

MD5
9d2a914b30807d0773487ae245e5e9f9

SHA1
589a42bd738ffe42ad6ccb5179c87dbd3aff8736

SHA256
650249598378b444f0e6928c256379b7b220487db389f53028b44c35ca943e96

SHA512
55ef953b102cf43d791a049eaa14165c77cbb16a88f7062167b5e3db776caf8a80380315ab399f5e701700c88e7de0dc94cf33072f0f9819a8f38aa2e6d0df9d

Download Submit
\Users\Admin\AppData\Local\Temp\HD_f211eae27de83aedda652128c453f6844881967b7262ea78ef86746d8020656c.exe

Filesize
2.2MB

MD5
c0560ee28b3dba02432be756e246a88a

SHA1
aecca5038197aef39557318d2cc1d66a8b0b8ee1

SHA256
5b143471e8ee85c5fd24c3457bc9b5df1ef0514752cd63b9a91d305d0bb18e75

SHA512
1d4d528870020c41e4dad7b31128b328da9795b85a8a889eee58733b7bf89447b06267dd24d01af47c4c9fc60d9ed2f8496955fd06e312c9d1778fa2d43d475a

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\259398836.txt

Filesize
50KB

MD5
ad0c055fd2d78d93a181cb1ac6644183

SHA1
6a411430c218b641139967ef8c7fe7f5bbf4a2c9

SHA256
1ae13da22432aecfeefe33ddb360b1cdaad52d46663aecd7adc20341bfee8da5

SHA512
40719396c1e3adecb226f1bf6f69605898fe2cfcde491398d6e9714c856bd0cd6e4003feb924209de04094973e23dff0fc85687fbb5b28ca77d7dd39df8803f7

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

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1636-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1636-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1636-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1692-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1692-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1692-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1692-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2600-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2600-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2652-54-0x0000000077D40000-0x0000000077D50000-memory.dmp

Filesize
64KB

Download
memory/2652-53-0x0000000077D40000-0x0000000077D50000-memory.dmp

Filesize
64KB

Download
memory/2652-55-0x0000000077D40000-0x0000000077D50000-memory.dmp

Filesize
64KB

Download
memory/2652-56-0x0000000077D40000-0x0000000077D50000-memory.dmp

Filesize
64KB

Download