gh0strat | 20dd89ec0965483260f5a3bcf015a4d0888bb918381478bc484c48a1ae3a00ba

General

Target

20dd89ec0965483260f5a3bcf015a4d0888bb918381478bc484c48a1ae3a00ba.exe
Size

2.5MB
MD5

046affb830486ad570c640df825d9f79
SHA1

36bb8ba617919dc186c760431d1186ae4ce3bf80
SHA256

20dd89ec0965483260f5a3bcf015a4d0888bb918381478bc484c48a1ae3a00ba
SHA512

47e568838bfb41d26e57dc81438f80cf0a1c65aeba4533a4d5c0c8c646a6c1cf8763f07cbea06c2697785a7e014ce362a1f42e0158696359c3d39d5eee324c75
SSDEEP

24576:MCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHU:MCwsbCANnKXferL7Vwe/Gg0P+Wh

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
behavioral2/memory/2592-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2592-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2592-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/536-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/536-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3964-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3964-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3964-57-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x00080000000233fd-5.dat	family_gh0strat
behavioral2/memory/2592-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2592-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2592-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/536-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/536-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3964-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3964-45-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3964-57-0x0000000010000000-0x00000000101B6000-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	TXPlatfor.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\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240596015.txt"	R.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"	TXPlatfor.exe

Executes dropped EXE 6 IoCs

pid	Process
1104	R.exe
2592	N.exe
536	TXPlatfor.exe
3920	HD_20dd89ec0965483260f5a3bcf015a4d0888bb918381478bc484c48a1ae3a00ba.exe
3964	TXPlatfor.exe
3132	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
1104	R.exe
1484	svchost.exe
3132	Remote Data.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2592-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2592-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2592-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2592-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/536-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/536-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/files/0x0007000000023404-33.dat	upx
behavioral2/memory/3920-38-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/memory/536-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3964-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3964-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3964-57-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3920-64-0x0000000000400000-0x0000000000423000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\240596015.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	20dd89ec0965483260f5a3bcf015a4d0888bb918381478bc484c48a1ae3a00ba.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
3084	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4736	20dd89ec0965483260f5a3bcf015a4d0888bb918381478bc484c48a1ae3a00ba.exe
4736	20dd89ec0965483260f5a3bcf015a4d0888bb918381478bc484c48a1ae3a00ba.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3964	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2592	N.exe
Token: SeLoadDriverPrivilege	3964	TXPlatfor.exe
Token: 33	3964	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3964	TXPlatfor.exe
Token: 33	3964	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3964	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4736	20dd89ec0965483260f5a3bcf015a4d0888bb918381478bc484c48a1ae3a00ba.exe
4736	20dd89ec0965483260f5a3bcf015a4d0888bb918381478bc484c48a1ae3a00ba.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4736 wrote to memory of 1104	4736	20dd89ec0965483260f5a3bcf015a4d0888bb918381478bc484c48a1ae3a00ba.exe	82
PID 4736 wrote to memory of 1104	4736	20dd89ec0965483260f5a3bcf015a4d0888bb918381478bc484c48a1ae3a00ba.exe	82
PID 4736 wrote to memory of 1104	4736	20dd89ec0965483260f5a3bcf015a4d0888bb918381478bc484c48a1ae3a00ba.exe	82
PID 4736 wrote to memory of 2592	4736	20dd89ec0965483260f5a3bcf015a4d0888bb918381478bc484c48a1ae3a00ba.exe	85
PID 4736 wrote to memory of 2592	4736	20dd89ec0965483260f5a3bcf015a4d0888bb918381478bc484c48a1ae3a00ba.exe	85
PID 4736 wrote to memory of 2592	4736	20dd89ec0965483260f5a3bcf015a4d0888bb918381478bc484c48a1ae3a00ba.exe	85
PID 2592 wrote to memory of 4180	2592	N.exe	87
PID 2592 wrote to memory of 4180	2592	N.exe	87
PID 2592 wrote to memory of 4180	2592	N.exe	87
PID 4736 wrote to memory of 3920	4736	20dd89ec0965483260f5a3bcf015a4d0888bb918381478bc484c48a1ae3a00ba.exe	88
PID 4736 wrote to memory of 3920	4736	20dd89ec0965483260f5a3bcf015a4d0888bb918381478bc484c48a1ae3a00ba.exe	88
PID 4736 wrote to memory of 3920	4736	20dd89ec0965483260f5a3bcf015a4d0888bb918381478bc484c48a1ae3a00ba.exe	88
PID 536 wrote to memory of 3964	536	TXPlatfor.exe	89
PID 536 wrote to memory of 3964	536	TXPlatfor.exe	89
PID 536 wrote to memory of 3964	536	TXPlatfor.exe	89
PID 4180 wrote to memory of 3084	4180	cmd.exe	92
PID 4180 wrote to memory of 3084	4180	cmd.exe	92
PID 4180 wrote to memory of 3084	4180	cmd.exe	92
PID 1484 wrote to memory of 3132	1484	svchost.exe	99
PID 1484 wrote to memory of 3132	1484	svchost.exe	99
PID 1484 wrote to memory of 3132	1484	svchost.exe	99

C:\Users\Admin\AppData\Local\Temp\20dd89ec0965483260f5a3bcf015a4d0888bb918381478bc484c48a1ae3a00ba.exe
"C:\Users\Admin\AppData\Local\Temp\20dd89ec0965483260f5a3bcf015a4d0888bb918381478bc484c48a1ae3a00ba.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4736
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:1104
- C:\Users\Admin\AppData\Local\Temp\N.exe
  C:\Users\Admin\AppData\Local\Temp\\N.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2592
- - 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\N.exe > nul
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4180
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:3084
- C:\Users\Admin\AppData\Local\Temp\HD_20dd89ec0965483260f5a3bcf015a4d0888bb918381478bc484c48a1ae3a00ba.exe
  C:\Users\Admin\AppData\Local\Temp\HD_20dd89ec0965483260f5a3bcf015a4d0888bb918381478bc484c48a1ae3a00ba.exe
  2⤵
  - Executes dropped EXE
  PID:3920

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4436

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1484
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240596015.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:3132

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:536
- C:\Windows\SysWOW64\TXPlatfor.exe
  C:\Windows\SysWOW64\TXPlatfor.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:3964

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_20dd89ec0965483260f5a3bcf015a4d0888bb918381478bc484c48a1ae3a00ba.exe

Filesize
43KB

MD5
a08c551ac63c9a2aac8773008547db69

SHA1
958b478fb2ce1be14ee417b8f4eed19b28755f87

SHA256
610352e1ed6e5f93a1c1f7c8ab389aad660841693f903f5fcc278f8b3a777ee1

SHA512
4007b2444ea28871a3ddaece00f50199d079d907c28b9c1ce46ae96da2778ac262dbe9eb6c6be38045e5d834ed4565dbfbedd19a88f2cb45358d0a6e82f00094

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

Filesize
2.4MB

MD5
9e1696bab6c70d1ad528db8f90252c7f

SHA1
5ca34d6cfd67387ce167f7dde253ab4a6af2a6eb

SHA256
33330786b270a4fe85e350280fedd29b0ce9bb233b375d455981ccc12c707c60

SHA512
0e9fe7886643f547c2570d8aabd2442bf5edc7444f3655f8b923e3d7161f962d42f425213ff9d2c99be3f68f5d4089a4587ae484fc19676038e2ada2f28b74ad

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
C:\Windows\SysWOW64\240596015.txt

Filesize
899KB

MD5
94e79ea2ac842bf043ea020f04dcbb8b

SHA1
eed152779d6a110077d0d4491c0791e6feb4ec5b

SHA256
180eef3e782fb0b3aa3d45e55f4e32ce17428e84f06fbbe26e5843d90b4ea17c

SHA512
2714d65abfad8def8b2725151efc367a2d49dea2316234e6201190bb089b301330c5290983cf7c238ac678da3d79ae378dc00d7917817f8bcfa3d8a6d653c238

Download Submit
C:\Windows\SysWOW64\Remote Data.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/536-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/536-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/536-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2592-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2592-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2592-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2592-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3920-38-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3920-64-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3964-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3964-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3964-57-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads