gh0strat | 4d23db80331e9662a174a8dde9bed73c685f07dfc35db3056e827182702e4b1e

General

Target

4d23db80331e9662a174a8dde9bed73c685f07dfc35db3056e827182702e4b1e.exe
Size

1.7MB
MD5

39cd68b8d862522c3e400c5b23f6a58c
SHA1

0263616b0021ffe6450ad161e221acbd2762951b
SHA256

4d23db80331e9662a174a8dde9bed73c685f07dfc35db3056e827182702e4b1e
SHA512

69893ffbe19db21a7efe7f90ddfa80b66dfe66b8d0690689c01d886e8e67af5e816f7210fb59e5f603467a3f21cfc0faf4d76b97dbe0804404540580e0bca51a
SSDEEP

24576:DQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVrwpejKs3PNnx2qIyu:DQZAdVyVT9n/Gg0P+WhohpejKs3P5x2n

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/1184-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1184-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1184-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1900-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1900-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1900-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2880-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2880-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2880-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2880-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1900-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

resource	yara_rule
behavioral2/memory/1184-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1184-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1184-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1900-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1900-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1900-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2880-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x00070000000234c7-36.dat	family_gh0strat
behavioral2/memory/2880-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2880-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2880-49-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1900-15-0x0000000010000000-0x00000000101B6000-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\\240629125.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
1184	svchost.exe
1900	TXPlatforn.exe
2880	TXPlatforn.exe
5080	svchos.exe
4460	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 3 IoCs

pid	Process
5080	svchos.exe
5076	svchost.exe
4460	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/1184-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1184-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1184-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1184-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1900-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1900-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1900-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2880-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2880-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2880-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2880-49-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1900-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1900-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
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\240629125.txt	svchos.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	svchos.exe
File created	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.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	4d23db80331e9662a174a8dde9bed73c685f07dfc35db3056e827182702e4b1e.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	4d23db80331e9662a174a8dde9bed73c685f07dfc35db3056e827182702e4b1e.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	4d23db80331e9662a174a8dde9bed73c685f07dfc35db3056e827182702e4b1e.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	4d23db80331e9662a174a8dde9bed73c685f07dfc35db3056e827182702e4b1e.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	4d23db80331e9662a174a8dde9bed73c685f07dfc35db3056e827182702e4b1e.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	4d23db80331e9662a174a8dde9bed73c685f07dfc35db3056e827182702e4b1e.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	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

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
3056	cmd.exe
4004	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4004	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2880	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1184	svchost.exe
Token: SeLoadDriverPrivilege	2880	TXPlatforn.exe
Token: 33	2880	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2880	TXPlatforn.exe
Token: 33	2880	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2880	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4880	4d23db80331e9662a174a8dde9bed73c685f07dfc35db3056e827182702e4b1e.exe
4880	4d23db80331e9662a174a8dde9bed73c685f07dfc35db3056e827182702e4b1e.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4880 wrote to memory of 1184	4880	4d23db80331e9662a174a8dde9bed73c685f07dfc35db3056e827182702e4b1e.exe	83
PID 4880 wrote to memory of 1184	4880	4d23db80331e9662a174a8dde9bed73c685f07dfc35db3056e827182702e4b1e.exe	83
PID 4880 wrote to memory of 1184	4880	4d23db80331e9662a174a8dde9bed73c685f07dfc35db3056e827182702e4b1e.exe	83
PID 1184 wrote to memory of 3056	1184	svchost.exe	85
PID 1184 wrote to memory of 3056	1184	svchost.exe	85
PID 1184 wrote to memory of 3056	1184	svchost.exe	85
PID 1900 wrote to memory of 2880	1900	TXPlatforn.exe	86
PID 1900 wrote to memory of 2880	1900	TXPlatforn.exe	86
PID 1900 wrote to memory of 2880	1900	TXPlatforn.exe	86
PID 4880 wrote to memory of 5080	4880	4d23db80331e9662a174a8dde9bed73c685f07dfc35db3056e827182702e4b1e.exe	88
PID 4880 wrote to memory of 5080	4880	4d23db80331e9662a174a8dde9bed73c685f07dfc35db3056e827182702e4b1e.exe	88
PID 4880 wrote to memory of 5080	4880	4d23db80331e9662a174a8dde9bed73c685f07dfc35db3056e827182702e4b1e.exe	88
PID 3056 wrote to memory of 4004	3056	cmd.exe	91
PID 3056 wrote to memory of 4004	3056	cmd.exe	91
PID 3056 wrote to memory of 4004	3056	cmd.exe	91
PID 5076 wrote to memory of 4460	5076	svchost.exe	92
PID 5076 wrote to memory of 4460	5076	svchost.exe	92
PID 5076 wrote to memory of 4460	5076	svchost.exe	92

C:\Users\Admin\AppData\Local\Temp\4d23db80331e9662a174a8dde9bed73c685f07dfc35db3056e827182702e4b1e.exe
"C:\Users\Admin\AppData\Local\Temp\4d23db80331e9662a174a8dde9bed73c685f07dfc35db3056e827182702e4b1e.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4880
- 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:1184
- - 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:3056
  - - 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:4004
- 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:5080

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:1900
- 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:2880

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:4884

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:5076
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240629125.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4460

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

Replay Monitor

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Downloads

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

Filesize
1.7MB

MD5
39cd68b8d862522c3e400c5b23f6a58c

SHA1
0263616b0021ffe6450ad161e221acbd2762951b

SHA256
4d23db80331e9662a174a8dde9bed73c685f07dfc35db3056e827182702e4b1e

SHA512
69893ffbe19db21a7efe7f90ddfa80b66dfe66b8d0690689c01d886e8e67af5e816f7210fb59e5f603467a3f21cfc0faf4d76b97dbe0804404540580e0bca51a

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\240629125.txt

Filesize
50KB

MD5
40f07f8503d0f19b383f0664349eb338

SHA1
c69ce824e3763a21476800512284e49e1596a216

SHA256
45d19e9171c852b6f32c5e1965e6c896d3155fd7e1d8f2e495e36f505ff00181

SHA512
40ccf99166635e520d5da869bc7abd05160c022b0562751df470545b72acdda7357b4c6ab7c268db4ff05baa6e28678cdb21fddf80ecfc3800c89dfaf57f7dd0

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1184-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1184-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1184-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1184-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1900-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1900-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1900-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1900-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1900-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2880-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2880-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2880-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2880-49-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads