gh0strat | ac75b00ef34ee4025dc68fc79acb26cb64bbb24251a6b7751e9fa6f531f9195d

Analysis

max time kernel
150s
max time network
149s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
25-06-2024 20:15

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General

Target

ac75b00ef34ee4025dc68fc79acb26cb64bbb24251a6b7751e9fa6f531f9195d.exe
Size

2.3MB
MD5

50b4a50cc1bdec318d9a157b9e7fbb12
SHA1

1fd9c7a9bca2995fbcfec23cec3785c9ee329722
SHA256

ac75b00ef34ee4025dc68fc79acb26cb64bbb24251a6b7751e9fa6f531f9195d
SHA512

13dcb02b3502545b43053a000af1d4aa3eece49e6e3e508fccc8833915cb25d09f3c65eeeeb902cb136c4a36b548156aa2f1926e4e387d0775996b594acd1f04
SSDEEP

49152:WQZAdVyVT9n/Gg0P+WhoZpeQwZPItx2apeapelI:XGdVyVT9nOgmhlQJtUvlI

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 11 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2144-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2144-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2968-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2144-22-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2588-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2588-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2968-27-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2588-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2588-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2588-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2588-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

resource	yara_rule
behavioral1/memory/2144-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2144-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2968-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2144-22-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2588-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2588-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2968-27-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x00090000000133d7-35.dat	family_gh0strat
behavioral1/memory/2588-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2588-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2588-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2588-42-0x0000000010000000-0x00000000101B6000-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\\259394531.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
2144	svchost.exe
2968	TXPlatforn.exe
2588	TXPlatforn.exe
2748	svchos.exe
1444	HD_ac75b00ef34ee4025dc68fc79acb26cb64bbb24251a6b7751e9fa6f531f9195d.exe
1504	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 8 IoCs

pid	Process
1612	ac75b00ef34ee4025dc68fc79acb26cb64bbb24251a6b7751e9fa6f531f9195d.exe
2968	TXPlatforn.exe
1612	ac75b00ef34ee4025dc68fc79acb26cb64bbb24251a6b7751e9fa6f531f9195d.exe
2748	svchos.exe
2488	svchost.exe
1612	ac75b00ef34ee4025dc68fc79acb26cb64bbb24251a6b7751e9fa6f531f9195d.exe
2488	svchost.exe
1504	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2144-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2144-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2144-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2968-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2144-22-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2588-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2588-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2588-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2968-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2588-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2588-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2588-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2588-42-0x0000000010000000-0x00000000101B6000-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\259394531.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	ac75b00ef34ee4025dc68fc79acb26cb64bbb24251a6b7751e9fa6f531f9195d.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	ac75b00ef34ee4025dc68fc79acb26cb64bbb24251a6b7751e9fa6f531f9195d.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	ac75b00ef34ee4025dc68fc79acb26cb64bbb24251a6b7751e9fa6f531f9195d.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	ac75b00ef34ee4025dc68fc79acb26cb64bbb24251a6b7751e9fa6f531f9195d.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
2672	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1612	ac75b00ef34ee4025dc68fc79acb26cb64bbb24251a6b7751e9fa6f531f9195d.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2588	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2144	svchost.exe
Token: SeLoadDriverPrivilege	2588	TXPlatforn.exe
Token: 33	2588	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2588	TXPlatforn.exe
Token: 33	2588	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2588	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1612	ac75b00ef34ee4025dc68fc79acb26cb64bbb24251a6b7751e9fa6f531f9195d.exe
1612	ac75b00ef34ee4025dc68fc79acb26cb64bbb24251a6b7751e9fa6f531f9195d.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 2144	1612	ac75b00ef34ee4025dc68fc79acb26cb64bbb24251a6b7751e9fa6f531f9195d.exe	28
PID 1612 wrote to memory of 2144	1612	ac75b00ef34ee4025dc68fc79acb26cb64bbb24251a6b7751e9fa6f531f9195d.exe	28
PID 1612 wrote to memory of 2144	1612	ac75b00ef34ee4025dc68fc79acb26cb64bbb24251a6b7751e9fa6f531f9195d.exe	28
PID 1612 wrote to memory of 2144	1612	ac75b00ef34ee4025dc68fc79acb26cb64bbb24251a6b7751e9fa6f531f9195d.exe	28
PID 1612 wrote to memory of 2144	1612	ac75b00ef34ee4025dc68fc79acb26cb64bbb24251a6b7751e9fa6f531f9195d.exe	28
PID 1612 wrote to memory of 2144	1612	ac75b00ef34ee4025dc68fc79acb26cb64bbb24251a6b7751e9fa6f531f9195d.exe	28
PID 1612 wrote to memory of 2144	1612	ac75b00ef34ee4025dc68fc79acb26cb64bbb24251a6b7751e9fa6f531f9195d.exe	28
PID 2144 wrote to memory of 2664	2144	svchost.exe	30
PID 2144 wrote to memory of 2664	2144	svchost.exe	30
PID 2144 wrote to memory of 2664	2144	svchost.exe	30
PID 2144 wrote to memory of 2664	2144	svchost.exe	30
PID 2968 wrote to memory of 2588	2968	TXPlatforn.exe	31
PID 2968 wrote to memory of 2588	2968	TXPlatforn.exe	31
PID 2968 wrote to memory of 2588	2968	TXPlatforn.exe	31
PID 2968 wrote to memory of 2588	2968	TXPlatforn.exe	31
PID 2968 wrote to memory of 2588	2968	TXPlatforn.exe	31
PID 2968 wrote to memory of 2588	2968	TXPlatforn.exe	31
PID 2968 wrote to memory of 2588	2968	TXPlatforn.exe	31
PID 1612 wrote to memory of 2748	1612	ac75b00ef34ee4025dc68fc79acb26cb64bbb24251a6b7751e9fa6f531f9195d.exe	33
PID 1612 wrote to memory of 2748	1612	ac75b00ef34ee4025dc68fc79acb26cb64bbb24251a6b7751e9fa6f531f9195d.exe	33
PID 1612 wrote to memory of 2748	1612	ac75b00ef34ee4025dc68fc79acb26cb64bbb24251a6b7751e9fa6f531f9195d.exe	33
PID 1612 wrote to memory of 2748	1612	ac75b00ef34ee4025dc68fc79acb26cb64bbb24251a6b7751e9fa6f531f9195d.exe	33
PID 2664 wrote to memory of 2672	2664	cmd.exe	34
PID 2664 wrote to memory of 2672	2664	cmd.exe	34
PID 2664 wrote to memory of 2672	2664	cmd.exe	34
PID 2664 wrote to memory of 2672	2664	cmd.exe	34
PID 2488 wrote to memory of 1504	2488	svchost.exe	38
PID 2488 wrote to memory of 1504	2488	svchost.exe	38
PID 2488 wrote to memory of 1504	2488	svchost.exe	38
PID 2488 wrote to memory of 1504	2488	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\ac75b00ef34ee4025dc68fc79acb26cb64bbb24251a6b7751e9fa6f531f9195d.exe
"C:\Users\Admin\AppData\Local\Temp\ac75b00ef34ee4025dc68fc79acb26cb64bbb24251a6b7751e9fa6f531f9195d.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1612
- 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:2144
- - 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:2664
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2672
- 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:2748
- C:\Users\Admin\AppData\Local\Temp\HD_ac75b00ef34ee4025dc68fc79acb26cb64bbb24251a6b7751e9fa6f531f9195d.exe
  C:\Users\Admin\AppData\Local\Temp\HD_ac75b00ef34ee4025dc68fc79acb26cb64bbb24251a6b7751e9fa6f531f9195d.exe
  2⤵
  - Executes dropped EXE
  PID:1444

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2968
- 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:2588

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2448

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:2488
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259394531.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1504

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

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Downloads

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

Filesize
1.6MB

MD5
10f00774528d869ab28ff8885784652e

SHA1
79fba1347f35abe3ec2bb1444afb6de753b8e3f3

SHA256
a17c5e6010b79883b0bc3a89640511644bf7e2fa6bca9232d398b980fbeab1ab

SHA512
900ad381b145d7ba284797834274c61dc0ae112cc3abbbcc0d247eb1a94dcf68d39328925318d2b0596d05ac400b759860aeb608cd4bc00dbc62b5d8442c90ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_ac75b00ef34ee4025dc68fc79acb26cb64bbb24251a6b7751e9fa6f531f9195d.exe

Filesize
645KB

MD5
00eae789b0aab1b0fbd23b830fbf1064

SHA1
e4e5fd089f6ae17c83f073cf91edc9db8189980d

SHA256
7addb2269266ac471a690802cab54539b40c2ae5b31e2120fdcf8dfb0ed15dc7

SHA512
23a0e06b39f8b5a932ae5b8f60704ba265332b341ac8bab5b74b2f31f04ce8c7fe6f77278d70c7685cfa894ab0e25a70d89990f5f643b54c07337f90fa5943fb

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\259394531.txt

Filesize
50KB

MD5
4c4c4350eb270c1e3a7b41ebfdbe348f

SHA1
94386a96f2c6c30e69f450329e4cef1ad3398e38

SHA256
9df57bad9d0a822147829262083e1ac476609bb52eb3ad64e4ea9af6d615eff4

SHA512
e228694ac716c0ed7fb567686ac16dc68b9ac8c6115f6b290710ddadabf34dc2a81b4b36e8da2fdcc83c492ca371a610a83f8a695b6297ba28ec65e804a0efc9

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

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2144-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2144-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2144-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2144-22-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2588-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2588-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2588-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2588-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2588-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2588-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2588-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2968-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2968-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download