gh0strat | 863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4

General

Target

863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe
Size

2.4MB
MD5

2d1d5a4ffea82455fb418468d320e6f6
SHA1

09bb4b96b96e718940a8c1dc6fa724732012bd4d
SHA256

863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4
SHA512

e66a2a5fa3670da7b8ac1bdce8663b61d14bb4ccecbe3065fcea4226b189b65340e637c258bd062eccaf233464561f0dbebc1820b9a2e4f8d1a59cc979e063a5
SSDEEP

49152:9CwsbCANnKXferL7Vwe/Gg0P+WhbYF7R2w:Aws2ANnKXOaeOgmhgR2w

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
behavioral2/memory/992-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/992-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/992-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3052-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3052-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3052-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/992-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3052-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3828-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3828-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3828-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

resource	yara_rule
behavioral2/files/0x001000000002312a-5.dat	family_gh0strat
behavioral2/memory/992-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/992-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/992-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3052-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3052-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3052-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/992-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3052-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3828-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3828-45-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3828-48-0x0000000010000000-0x00000000101B6000-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

Sets DLL path for service in the 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\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240597375.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
1668	R.exe
992	N.exe
3052	TXPlatfor.exe
64	HD_863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe
3828	TXPlatfor.exe
660	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
1668	R.exe
4684	svchost.exe
660	Remote Data.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/992-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/992-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/992-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/992-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3052-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3052-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3052-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3052-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/992-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3052-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3828-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3828-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3828-48-0x0000000010000000-0x00000000101B6000-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\240597375.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

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
532	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3268	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe
3268	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3828	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	992	N.exe
Token: SeLoadDriverPrivilege	3828	TXPlatfor.exe
Token: 33	3828	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3828	TXPlatfor.exe
Token: 33	3828	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3828	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3268	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe
3268	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3268 wrote to memory of 1668	3268	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe	91
PID 3268 wrote to memory of 1668	3268	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe	91
PID 3268 wrote to memory of 1668	3268	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe	91
PID 3268 wrote to memory of 992	3268	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe	94
PID 3268 wrote to memory of 992	3268	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe	94
PID 3268 wrote to memory of 992	3268	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe	94
PID 992 wrote to memory of 2912	992	N.exe	97
PID 992 wrote to memory of 2912	992	N.exe	97
PID 992 wrote to memory of 2912	992	N.exe	97
PID 3268 wrote to memory of 64	3268	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe	98
PID 3268 wrote to memory of 64	3268	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe	98
PID 3052 wrote to memory of 3828	3052	TXPlatfor.exe	100
PID 3052 wrote to memory of 3828	3052	TXPlatfor.exe	100
PID 3052 wrote to memory of 3828	3052	TXPlatfor.exe	100
PID 2912 wrote to memory of 532	2912	cmd.exe	102
PID 2912 wrote to memory of 532	2912	cmd.exe	102
PID 2912 wrote to memory of 532	2912	cmd.exe	102
PID 4684 wrote to memory of 660	4684	svchost.exe	108
PID 4684 wrote to memory of 660	4684	svchost.exe	108
PID 4684 wrote to memory of 660	4684	svchost.exe	108

C:\Users\Admin\AppData\Local\Temp\863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe
"C:\Users\Admin\AppData\Local\Temp\863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3268
- 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:1668
- 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:992
- - 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:2912
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:532
- C:\Users\Admin\AppData\Local\Temp\HD_863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe
  C:\Users\Admin\AppData\Local\Temp\HD_863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe
  2⤵
  - Executes dropped EXE
  PID:64

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1388

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:4684
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240597375.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:660

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3052
- 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:3828

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_863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe

Filesize
16KB

MD5
4c1ae97067353b081f801ffab4e1d493

SHA1
5d3403edc0024ce92d2899a1a85be4a9bcce594f

SHA256
6b4b2ac06a3bf650754ab98f35599ab359acf52f8e48b60b4952ad2821bfa00e

SHA512
06b091907a256c8e2088f78cf3075764a7a4d38f79170178cd495f72d8c4eed4856beeca6374905d084c10867b8c6c33fb7c19f097e40820021530009ac71d1e

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

Filesize
2.4MB

MD5
32fc7958be0c55a4e59f59423ff580fe

SHA1
92be6dcfaa1428120ca91e0b9a3a1e4d1e3ae3c5

SHA256
221cca3d86bd76e048b250e5f8c869bf462d9d4fe665af832ad794866ad0ee01

SHA512
ea842038fdd19a3e5ed93686a234847f6048300865fadb328a335f52dc5d35f2f3568b0164eda543c7616df8ac3905041091daeec09b4d38446762fa2723e3a2

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
640KB

MD5
d76f27f0e6186b942287c26c59fbb326

SHA1
8d46225b32eca844fa7d76bcb7a31dac9e2e92e6

SHA256
fc018f26ef3e7c354acef6a199a548c6c49f651c934dbe6e6099c6f158e11a9e

SHA512
0b8c941985b5a4518762b22800f34f3388007f7512c513cdc30ec840aa4968011807ee93f5f9bca94c62774dc30e294ace5ce29bdc925392dea35140c4c0ffa1

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\240597375.txt

Filesize
899KB

MD5
2910fb04ebe31c738bb3048a9a6f0ec5

SHA1
e2cbd261065c370e165207e8fbabacd0d31b933d

SHA256
e680750807d62ff302c0623e42addc4aea34d3ad072ffd122925c4b50385c055

SHA512
a0ac8427e9996dde2f66c3db3aa9cc272210d69bb5ae3ec1620b6fe93039d7c1a6023d19c9b9f0494b439133f3272732627925ea5fb1e7d41dbea17fc17c0739

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/992-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/992-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/992-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/992-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/992-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3052-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3052-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3052-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3052-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3052-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3828-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3828-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3828-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads