gh0strat | ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
25/06/2024, 13:31

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General

Target

ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe
Size

6.8MB
MD5

be07f26c587ea4ed7eb878b92d4bde44
SHA1

4a1f9ed1b477b1ba5e30981df5b5066e1a4a8598
SHA256

ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef
SHA512

7aa742eacb7babb950cfe858563b1b32a16b95dcadb13936b9a965a66a047dc753bcc334d6e39f00a18fe51a77cd59cb7d6efda0a2f47d1e9004bc1c93f728b9
SSDEEP

98304:6GdVyVT9nOgmhIvluvC6vTtIWikAa4pHPOnFR9UiYBaQQBj1OKX+JN+QriS:JWT9nO72YfTtVikUpvriV5X+JNNb

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/2156-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2156-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2156-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3052-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3052-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2840-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2840-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2840-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/2156-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2156-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2156-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3052-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x00080000000147d5-27.dat	family_gh0strat
behavioral1/memory/3052-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2840-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2840-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2840-45-0x0000000010000000-0x00000000101B6000-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\\259423266.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
2156	svchost.exe
3052	TXPlatforn.exe
2736	svchos.exe
2840	TXPlatforn.exe
1440	HD_ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe
2576	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 15 IoCs

pid	Process
3032	ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe
3032	ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe
3052	TXPlatforn.exe
2736	svchos.exe
2792	svchost.exe
3032	ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe
2792	svchost.exe
2576	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
2936	WerFault.exe
2936	WerFault.exe
2936	WerFault.exe
2936	WerFault.exe
2936	WerFault.exe
2936	WerFault.exe
2936	WerFault.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2156-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2156-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2156-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2156-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3052-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3052-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2840-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2840-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2840-45-0x0000000010000000-0x00000000101B6000-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\259423266.txt	svchos.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2936	1440	WerFault.exe	37

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2764	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3032	ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2840	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2156	svchost.exe
Token: SeLoadDriverPrivilege	2840	TXPlatforn.exe
Token: 33	2840	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2840	TXPlatforn.exe
Token: 33	2840	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2840	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3032	ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe
3032	ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 2156	3032	ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe	28
PID 3032 wrote to memory of 2156	3032	ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe	28
PID 3032 wrote to memory of 2156	3032	ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe	28
PID 3032 wrote to memory of 2156	3032	ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe	28
PID 3032 wrote to memory of 2156	3032	ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe	28
PID 3032 wrote to memory of 2156	3032	ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe	28
PID 3032 wrote to memory of 2156	3032	ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe	28
PID 2156 wrote to memory of 2704	2156	svchost.exe	30
PID 2156 wrote to memory of 2704	2156	svchost.exe	30
PID 2156 wrote to memory of 2704	2156	svchost.exe	30
PID 2156 wrote to memory of 2704	2156	svchost.exe	30
PID 3032 wrote to memory of 2736	3032	ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe	32
PID 3032 wrote to memory of 2736	3032	ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe	32
PID 3032 wrote to memory of 2736	3032	ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe	32
PID 3032 wrote to memory of 2736	3032	ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe	32
PID 3052 wrote to memory of 2840	3052	TXPlatforn.exe	33
PID 3052 wrote to memory of 2840	3052	TXPlatforn.exe	33
PID 3052 wrote to memory of 2840	3052	TXPlatforn.exe	33
PID 3052 wrote to memory of 2840	3052	TXPlatforn.exe	33
PID 3052 wrote to memory of 2840	3052	TXPlatforn.exe	33
PID 3052 wrote to memory of 2840	3052	TXPlatforn.exe	33
PID 3052 wrote to memory of 2840	3052	TXPlatforn.exe	33
PID 2704 wrote to memory of 2764	2704	cmd.exe	34
PID 2704 wrote to memory of 2764	2704	cmd.exe	34
PID 2704 wrote to memory of 2764	2704	cmd.exe	34
PID 2704 wrote to memory of 2764	2704	cmd.exe	34
PID 3032 wrote to memory of 1440	3032	ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe	37
PID 3032 wrote to memory of 1440	3032	ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe	37
PID 3032 wrote to memory of 1440	3032	ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe	37
PID 3032 wrote to memory of 1440	3032	ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe	37
PID 2792 wrote to memory of 2576	2792	svchost.exe	38
PID 2792 wrote to memory of 2576	2792	svchost.exe	38
PID 2792 wrote to memory of 2576	2792	svchost.exe	38
PID 2792 wrote to memory of 2576	2792	svchost.exe	38
PID 1440 wrote to memory of 2936	1440	HD_ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe	39
PID 1440 wrote to memory of 2936	1440	HD_ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe	39
PID 1440 wrote to memory of 2936	1440	HD_ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe	39
PID 1440 wrote to memory of 2936	1440	HD_ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe	39

C:\Users\Admin\AppData\Local\Temp\ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe
"C:\Users\Admin\AppData\Local\Temp\ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3032
- 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:2156
- - 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:2704
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2764
- 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:2736
- C:\Users\Admin\AppData\Local\Temp\HD_ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe
  C:\Users\Admin\AppData\Local\Temp\HD_ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1440
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1440 -s 532
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2936

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3052
- 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:2840

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2540

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:2792
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259423266.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2576

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
1.7MB

MD5
379ab9dc2802f9e035b6f5be9e6d4cf9

SHA1
44ba34ac79735724f6bb8dd7859aa0b4dac7d6a8

SHA256
a7784192a2f579d4314a7de363c9ead96d938b2587e69c5a1fe2cab2fedd5688

SHA512
9438af92b1195234bb3120d42de7dfd04ceef7e0c7d59cd07b295f9614486f0f6c7bad46fadb5ec20fe5384382709dc950ff7304e76fa0b03c5203fd416f9c1f

Download Submit
\Users\Admin\AppData\Local\Temp\HD_ee4f9af87312996d3c64829c6b3823eb6c6d02b17776a46cfbb605f27e697aef.exe

Filesize
5.1MB

MD5
4e507c0477d358956140c16cbfce2b44

SHA1
c79e27ccfffac32142b90a02cc14da2142255053

SHA256
23508a588f72ac0d8db13d867b10e47ade28480d7aa9869e362e86d48dd1a3e2

SHA512
41c8f5a996a975f9db43704d137f94de6b7303d291f7e665e9f14810a12e015de07aaf3797b631df349fca6ff14bc06dfeb9a46864684c02fde609ad4feab7ed

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\259423266.txt

Filesize
50KB

MD5
43f47d1708bc6f660419924c9f33e641

SHA1
94d20cad399c167506c2f9effc967ec04bbb814a

SHA256
3eae7a952de59b504a8066f456e221eea4753c3ec47a517fd0b8bdd0f35e9131

SHA512
029c8953c2d110788aa5f5f866a924ded3e29c01cc4991e20b7034a63ff1a5f86ccbe3e17c8ecffff9622367b7899a19a8abc2b6025e911b5ba9a00d4f8ece34

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

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2156-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2156-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2156-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2156-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2840-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2840-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2840-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3052-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3052-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download