gh0strat | ba5ed24f92f488ae088014be2551860e5fcc38a47c6932a66cb3b9104a48719a

General

Target

a88eb6a4224ceca56c0c978ad25c2da0N.exe
Size

1.4MB
MD5

a88eb6a4224ceca56c0c978ad25c2da0
SHA1

a515573bd95bc9ce61626482702e206059114e41
SHA256

ba5ed24f92f488ae088014be2551860e5fcc38a47c6932a66cb3b9104a48719a
SHA512

4cdb0c6188e15184a53effa3cc41577794e5e67f7ffd6b2c35d2b8ef1f1f4fdc2a50e0524ac0cb1a1c749227ee4ec7e1d8bd8c92437aba5a0f3b5f6769013488
SSDEEP

24576:iQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cV4raBfp:iQZAdVyVT9n/Gg0P+WhoIp

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 11 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/2504-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2504-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2504-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/60-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/60-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/60-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1704-27-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1704-53-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/60-62-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1704-72-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1704-76-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

resource	yara_rule
behavioral2/memory/2504-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2504-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2504-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/60-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/60-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/60-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1704-27-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x0007000000023499-35.dat	family_gh0strat
behavioral2/memory/1704-53-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/60-62-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1704-72-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1704-76-0x0000000010000000-0x00000000101B6000-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\\240625671.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 5 IoCs

pid	Process
2504	svchost.exe
60	TXPlatforn.exe
1704	TXPlatforn.exe
2924	svchos.exe
3684	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 3 IoCs

pid	Process
2924	svchos.exe
3368	svchost.exe
3684	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2504-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2504-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2504-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2504-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/60-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/60-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/60-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/60-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1704-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1704-53-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/60-62-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1704-72-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1704-76-0x0000000010000000-0x00000000101B6000-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\240625671.txt	svchos.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	a88eb6a4224ceca56c0c978ad25c2da0N.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	a88eb6a4224ceca56c0c978ad25c2da0N.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	a88eb6a4224ceca56c0c978ad25c2da0N.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	a88eb6a4224ceca56c0c978ad25c2da0N.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	a88eb6a4224ceca56c0c978ad25c2da0N.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	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchos.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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	a88eb6a4224ceca56c0c978ad25c2da0N.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
2008	cmd.exe
2704	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2704	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1704	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2504	svchost.exe
Token: SeLoadDriverPrivilege	1704	TXPlatforn.exe
Token: 33	1704	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	1704	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
400	a88eb6a4224ceca56c0c978ad25c2da0N.exe
400	a88eb6a4224ceca56c0c978ad25c2da0N.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 400 wrote to memory of 2504	400	a88eb6a4224ceca56c0c978ad25c2da0N.exe	86
PID 400 wrote to memory of 2504	400	a88eb6a4224ceca56c0c978ad25c2da0N.exe	86
PID 400 wrote to memory of 2504	400	a88eb6a4224ceca56c0c978ad25c2da0N.exe	86
PID 2504 wrote to memory of 2008	2504	svchost.exe	90
PID 2504 wrote to memory of 2008	2504	svchost.exe	90
PID 2504 wrote to memory of 2008	2504	svchost.exe	90
PID 60 wrote to memory of 1704	60	TXPlatforn.exe	91
PID 60 wrote to memory of 1704	60	TXPlatforn.exe	91
PID 60 wrote to memory of 1704	60	TXPlatforn.exe	91
PID 400 wrote to memory of 2924	400	a88eb6a4224ceca56c0c978ad25c2da0N.exe	92
PID 400 wrote to memory of 2924	400	a88eb6a4224ceca56c0c978ad25c2da0N.exe	92
PID 400 wrote to memory of 2924	400	a88eb6a4224ceca56c0c978ad25c2da0N.exe	92
PID 2008 wrote to memory of 2704	2008	cmd.exe	96
PID 2008 wrote to memory of 2704	2008	cmd.exe	96
PID 2008 wrote to memory of 2704	2008	cmd.exe	96
PID 3368 wrote to memory of 3684	3368	svchost.exe	100
PID 3368 wrote to memory of 3684	3368	svchost.exe	100
PID 3368 wrote to memory of 3684	3368	svchost.exe	100

C:\Users\Admin\AppData\Local\Temp\a88eb6a4224ceca56c0c978ad25c2da0N.exe
"C:\Users\Admin\AppData\Local\Temp\a88eb6a4224ceca56c0c978ad25c2da0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:400
- 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:2504
- - 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:2008
  - - 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:2704
- 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:2924

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:60
- 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:1704

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:5016

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:3368
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240625671.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:3684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files\VideoLAN\VLC\vlc.exe

Filesize
2.3MB

MD5
ebb349b826a21863765077b37b1bf7c6

SHA1
689c5efa864fc11839a7564c079f76697cdf8322

SHA256
f98e8715a7fc97cdbb2f5e8de684e3792886f6c05a3e37f6a7917e050110dc4e

SHA512
0c21c9497712e85ad95ef05127f8c2dc44c404c9cf4e591f9b46b0ac7bd33a960fdc029431dc14f089744b6847c7250679100934866b96a708f3dd9402ac5d55

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

Filesize
1.4MB

MD5
a88eb6a4224ceca56c0c978ad25c2da0

SHA1
a515573bd95bc9ce61626482702e206059114e41

SHA256
ba5ed24f92f488ae088014be2551860e5fcc38a47c6932a66cb3b9104a48719a

SHA512
4cdb0c6188e15184a53effa3cc41577794e5e67f7ffd6b2c35d2b8ef1f1f4fdc2a50e0524ac0cb1a1c749227ee4ec7e1d8bd8c92437aba5a0f3b5f6769013488

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

Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

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

Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
C:\Windows\SysWOW64\240625671.txt

Filesize
50KB

MD5
e9c9d091e65ce43739ecb8f98f4f439a

SHA1
3cef646a0e57382359b8f3517448df821d85b0d7

SHA256
016730f85284e5161d2567d04145cc1fd316a8969a846d14c78b14d9f8849307

SHA512
4da57b39b93f38add3254ffa609e399fd0f7eb4013c34c783aae504a867132b0f9d17bb03f6f7a89b4de927f805bf12124d64d14cc5ac567930e715c0885b391

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/60-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/60-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/60-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/60-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/60-62-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1704-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1704-53-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1704-72-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1704-76-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2504-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2504-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2504-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2504-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads