gh0strat | 62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757

General

Target

62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.exe
Size

5.5MB
MD5

e5a2192bfeb3c9fdf67ef209d206e524
SHA1

fc897c9aa0a1e027ad252d0c94df53486a255f04
SHA256

62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757
SHA512

bf1e892bf8b067daa0138b0fea9ea2c733a2d861639c1143d9617dad45b39a23e086629412bd4e0d867323084698c7be56757b832b043a68f3cd15cc5e020a47
SSDEEP

98304:yws2ANnKXOaeOgmhQnlErGch/QT8N7JRL62Jq0XfEteBS:oKXbeO7OnlEC6JVxq0vEteBS

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/4280-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4280-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3136-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3136-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4280-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3120-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3120-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3120-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240607078.txt	family_gh0strat
behavioral2/memory/4280-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4280-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3136-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3136-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4280-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3120-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3120-45-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3120-46-0x0000000010000000-0x00000000101B6000-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

Processes:

TXPlatfor.exe

description ioc process

File created C:\Windows\system32\drivers\QAssist.sys TXPlatfor.exe

description	ioc	process
File created	C:\Windows\system32\drivers\QAssist.sys	TXPlatfor.exe

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

R.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240607078.txt"	R.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

TXPlatfor.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatfor.exe

Executes dropped EXE 6 IoCs

Processes:

R.exeN.exeTXPlatfor.exeHD_62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.exeTXPlatfor.exeRemote Data.exe

pid	process
832	R.exe
4280	N.exe
3136	TXPlatfor.exe
3204	HD_62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.exe
3120	TXPlatfor.exe
3020	Remote Data.exe

Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

832 R.exe
4936 svchost.exe
3020 Remote Data.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4280-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4280-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4280-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3136-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3136-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3136-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4280-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3120-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3120-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3120-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

N.exeR.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\240607078.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
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

Drops file in Program Files directory 1 IoCs

Processes:

62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.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

Processes:

PING.EXE

pid process

4636 PING.EXE

pid	process
4636	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.exe

pid	process
4076	62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.exe
4076	62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

3120 TXPlatfor.exe

pid	process
3120	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

N.exeTXPlatfor.exeHD_62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4280	N.exe
Token: SeLoadDriverPrivilege	3120	TXPlatfor.exe
Token: SeDebugPrivilege	3204	HD_62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.exe
Token: 33	3120	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3120	TXPlatfor.exe
Token: 33	3120	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3120	TXPlatfor.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

HD_62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.exe

pid process

3204 HD_62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.exe

pid	process
3204	HD_62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.exe

pid	process
4076	62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.exe
4076	62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 4076 wrote to memory of 832	4076	62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.exe	R.exe
PID 4076 wrote to memory of 832	4076	62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.exe	R.exe
PID 4076 wrote to memory of 832	4076	62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.exe	R.exe
PID 4076 wrote to memory of 4280	4076	62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.exe	N.exe
PID 4076 wrote to memory of 4280	4076	62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.exe	N.exe
PID 4076 wrote to memory of 4280	4076	62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.exe	N.exe
PID 4280 wrote to memory of 3624	4280	N.exe	cmd.exe
PID 4280 wrote to memory of 3624	4280	N.exe	cmd.exe
PID 4280 wrote to memory of 3624	4280	N.exe	cmd.exe
PID 4076 wrote to memory of 3204	4076	62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.exe	HD_62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.exe
PID 4076 wrote to memory of 3204	4076	62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.exe	HD_62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.exe
PID 3136 wrote to memory of 3120	3136	TXPlatfor.exe	TXPlatfor.exe
PID 3136 wrote to memory of 3120	3136	TXPlatfor.exe	TXPlatfor.exe
PID 3136 wrote to memory of 3120	3136	TXPlatfor.exe	TXPlatfor.exe
PID 3624 wrote to memory of 4636	3624	cmd.exe	PING.EXE
PID 3624 wrote to memory of 4636	3624	cmd.exe	PING.EXE
PID 3624 wrote to memory of 4636	3624	cmd.exe	PING.EXE
PID 4936 wrote to memory of 3020	4936	svchost.exe	Remote Data.exe
PID 4936 wrote to memory of 3020	4936	svchost.exe	Remote Data.exe
PID 4936 wrote to memory of 3020	4936	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.exe
"C:\Users\Admin\AppData\Local\Temp\62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4076
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Sets DLL path for service in the registry
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:832
- 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:4280
- - 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:3624
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:4636
- C:\Users\Admin\AppData\Local\Temp\HD_62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.exe
  C:\Users\Admin\AppData\Local\Temp\HD_62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:3204

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:3868

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:4936
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240607078.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:3020

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3136
- 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:3120

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Defense Evasion

Modify Registry

2

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_62f6daa6e94f17f6c81456b48c876c4cc92d8e1643d348c0674242ea96afb757.exe

Filesize
3.0MB

MD5
33909b43dd1162ffe0e6403e63371107

SHA1
742785dcd0212fa1568d033c2aef732e6faead16

SHA256
c41b1bb28d482c2664049265dbe1bf6d610073ee8cdfb413d415ca2bfb614afc

SHA512
d7ceb9c2b25b9914b4ace91ce08d8d559822fd957498dc34379792e3b5283d4015d5e8b3bbf67202645d0bb119840fb43942dac2b6828fd557a24cd2731b8bf0

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

Filesize
2.4MB

MD5
fce080cf567748fd48b435ab8e8754d9

SHA1
bc6009f69d07cf58dcc2b2512bdc2b0970ecca0a

SHA256
764c98d3c07938d1f3042f2cf76f5d6f81848a77c4275c44ead95d9d6afde6b0

SHA512
2eade76004324998013036327dc5df13588a4579b950e1613c1da74707afe81273c825f2bff92cb7bd7268b806e3dcff8bb0d2d4dcd16b40341d67e92b841252

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\240607078.txt

Filesize
899KB

MD5
185aef7e5f083157935f7fd12c1aed72

SHA1
97cdabbafbf3b707b997eaf6ce29f6b3d3c02985

SHA256
b20f12014cbfb626c065ac27cefb3cfc46e24bbb1ef3d9f6edc04fdd61a173a9

SHA512
fd1178fcc20fc6fcf0234fd99d657b106441b997b11c2e21338b6181e72d8d6a4761cbb6eda8aa7199a9aba7c0bdb365ba4f9e8f37dd0d8b14bf741c20cbf1b6

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/3120-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3120-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3120-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3136-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3136-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3136-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3204-47-0x000001E9C5BF0000-0x000001E9C5EB8000-memory.dmp

Filesize
2.8MB

Download
memory/3204-35-0x000001E9A9A50000-0x000001E9A9D5A000-memory.dmp

Filesize
3.0MB

Download
memory/3204-62-0x000001E9C71F0000-0x000001E9C7228000-memory.dmp

Filesize
224KB

Download
memory/3204-63-0x000001E9C6060000-0x000001E9C606E000-memory.dmp

Filesize
56KB

Download
memory/3204-64-0x000001E9C7230000-0x000001E9C72D8000-memory.dmp

Filesize
672KB

Download
memory/4280-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4280-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4280-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4280-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads