gh0strat | cbb7911c48f9b43bf16458b5fcd218b7a0fddcf3094ea010bd5ff5d898408091

General

Target

cbb7911c48f9b43bf16458b5fcd218b7a0fddcf3094ea010bd5ff5d898408091.exe
Size

2.6MB
MD5

769a4b62f8264dab855cae4ba70670d7
SHA1

cf7c47a9aa186fce30f7b772b6b7cac9b80f863c
SHA256

cbb7911c48f9b43bf16458b5fcd218b7a0fddcf3094ea010bd5ff5d898408091
SHA512

7d15bf539a120bf24cb4123be6687309607be196a93c39c6f4cee3c7d089dad8c277e443a629b9240a45459ea7d5a601d6fd0b610e66275c165d96bae9d65f08
SSDEEP

24576:FCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHY:FCwsbCANnKXferL7Vwe/Gg0P+WhqS+q

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2540-22-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2540-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2540-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2516-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1644-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1644-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1644-51-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259425871.txt	family_gh0strat
behavioral1/memory/2540-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2540-22-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2540-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2516-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2540-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2516-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1644-46-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1644-48-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1644-51-0x0000000010000000-0x00000000101B6000-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\\259425871.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 5 IoCs

Processes:

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

pid process

2012 R.exe
2540 N.exe
2516 TXPlatfor.exe
1644 TXPlatfor.exe
556 Remote Data.exe

pid	process
2012	R.exe
2540	N.exe
2516	TXPlatfor.exe
1644	TXPlatfor.exe
556	Remote Data.exe

Loads dropped DLL 7 IoCs

Processes:

cbb7911c48f9b43bf16458b5fcd218b7a0fddcf3094ea010bd5ff5d898408091.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exe

pid	process
2248	cbb7911c48f9b43bf16458b5fcd218b7a0fddcf3094ea010bd5ff5d898408091.exe
2012	R.exe
2052	svchost.exe
2248	cbb7911c48f9b43bf16458b5fcd218b7a0fddcf3094ea010bd5ff5d898408091.exe
2516	TXPlatfor.exe
2052	svchost.exe
556	Remote Data.exe

UPX packed file 11 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2540-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2540-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2540-22-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2540-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2516-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2540-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2516-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1644-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1644-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1644-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1644-51-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

R.exesvchost.exeN.exe

description	ioc	process
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
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\259425871.txt	R.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

2412 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

cbb7911c48f9b43bf16458b5fcd218b7a0fddcf3094ea010bd5ff5d898408091.exe

pid process

2248 cbb7911c48f9b43bf16458b5fcd218b7a0fddcf3094ea010bd5ff5d898408091.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

1644 TXPlatfor.exe

pid	process
2412	PING.EXE

pid	process
1644	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2540	N.exe
Token: SeLoadDriverPrivilege	1644	TXPlatfor.exe
Token: 33	1644	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1644	TXPlatfor.exe
Token: 33	1644	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1644	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

cbb7911c48f9b43bf16458b5fcd218b7a0fddcf3094ea010bd5ff5d898408091.exe

pid	process
2248	cbb7911c48f9b43bf16458b5fcd218b7a0fddcf3094ea010bd5ff5d898408091.exe
2248	cbb7911c48f9b43bf16458b5fcd218b7a0fddcf3094ea010bd5ff5d898408091.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

cbb7911c48f9b43bf16458b5fcd218b7a0fddcf3094ea010bd5ff5d898408091.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 2248 wrote to memory of 2012	2248	cbb7911c48f9b43bf16458b5fcd218b7a0fddcf3094ea010bd5ff5d898408091.exe	R.exe
PID 2248 wrote to memory of 2012	2248	cbb7911c48f9b43bf16458b5fcd218b7a0fddcf3094ea010bd5ff5d898408091.exe	R.exe
PID 2248 wrote to memory of 2012	2248	cbb7911c48f9b43bf16458b5fcd218b7a0fddcf3094ea010bd5ff5d898408091.exe	R.exe
PID 2248 wrote to memory of 2012	2248	cbb7911c48f9b43bf16458b5fcd218b7a0fddcf3094ea010bd5ff5d898408091.exe	R.exe
PID 2248 wrote to memory of 2540	2248	cbb7911c48f9b43bf16458b5fcd218b7a0fddcf3094ea010bd5ff5d898408091.exe	N.exe
PID 2248 wrote to memory of 2540	2248	cbb7911c48f9b43bf16458b5fcd218b7a0fddcf3094ea010bd5ff5d898408091.exe	N.exe
PID 2248 wrote to memory of 2540	2248	cbb7911c48f9b43bf16458b5fcd218b7a0fddcf3094ea010bd5ff5d898408091.exe	N.exe
PID 2248 wrote to memory of 2540	2248	cbb7911c48f9b43bf16458b5fcd218b7a0fddcf3094ea010bd5ff5d898408091.exe	N.exe
PID 2248 wrote to memory of 2540	2248	cbb7911c48f9b43bf16458b5fcd218b7a0fddcf3094ea010bd5ff5d898408091.exe	N.exe
PID 2248 wrote to memory of 2540	2248	cbb7911c48f9b43bf16458b5fcd218b7a0fddcf3094ea010bd5ff5d898408091.exe	N.exe
PID 2248 wrote to memory of 2540	2248	cbb7911c48f9b43bf16458b5fcd218b7a0fddcf3094ea010bd5ff5d898408091.exe	N.exe
PID 2540 wrote to memory of 2600	2540	N.exe	cmd.exe
PID 2540 wrote to memory of 2600	2540	N.exe	cmd.exe
PID 2540 wrote to memory of 2600	2540	N.exe	cmd.exe
PID 2540 wrote to memory of 2600	2540	N.exe	cmd.exe
PID 2516 wrote to memory of 1644	2516	TXPlatfor.exe	TXPlatfor.exe
PID 2516 wrote to memory of 1644	2516	TXPlatfor.exe	TXPlatfor.exe
PID 2516 wrote to memory of 1644	2516	TXPlatfor.exe	TXPlatfor.exe
PID 2516 wrote to memory of 1644	2516	TXPlatfor.exe	TXPlatfor.exe
PID 2516 wrote to memory of 1644	2516	TXPlatfor.exe	TXPlatfor.exe
PID 2516 wrote to memory of 1644	2516	TXPlatfor.exe	TXPlatfor.exe
PID 2516 wrote to memory of 1644	2516	TXPlatfor.exe	TXPlatfor.exe
PID 2600 wrote to memory of 2412	2600	cmd.exe	PING.EXE
PID 2600 wrote to memory of 2412	2600	cmd.exe	PING.EXE
PID 2600 wrote to memory of 2412	2600	cmd.exe	PING.EXE
PID 2600 wrote to memory of 2412	2600	cmd.exe	PING.EXE
PID 2052 wrote to memory of 556	2052	svchost.exe	Remote Data.exe
PID 2052 wrote to memory of 556	2052	svchost.exe	Remote Data.exe
PID 2052 wrote to memory of 556	2052	svchost.exe	Remote Data.exe
PID 2052 wrote to memory of 556	2052	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\cbb7911c48f9b43bf16458b5fcd218b7a0fddcf3094ea010bd5ff5d898408091.exe
"C:\Users\Admin\AppData\Local\Temp\cbb7911c48f9b43bf16458b5fcd218b7a0fddcf3094ea010bd5ff5d898408091.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2248

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:2012

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:2540

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:2600

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2412

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2908

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:2052

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259425871.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:556

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2516

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:1644

Network

MITRE ATT&CK Matrix ATT&CK v13

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

System Information Discovery

1

T1082

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
2.6MB

MD5
819c1455660b0e6ac80ea901d46c826f

SHA1
f30c6fe87c007b81305c4fc0ca538af8aef69f9f

SHA256
06c8611be1d8f73ac45872a34ab746347fc37b3bcf43075047ee0d46aaff3a07

SHA512
2ce7615edcde8a4f28f4600eda9155b8371cb1f6da768bf624cd3850124ca5a7e92c30a8a2e1d225fdd10ff324c01ac1d1476287f0d8490fcccb2af338979dfc

Download Submit
C:\Users\Admin\AppData\Local\Temp\R.exe
Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Users\Admin\AppData\Local\Temp\N.exe
Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
\Windows\SysWOW64\259425871.txt
Filesize
899KB

MD5
bb572b549d20c437a46018d2661bd247

SHA1
9110ec4665afd73084d7f94b024a3aa9835ed5c9

SHA256
600403883b0204a141a7f52ccaf385b199b062762f7cd8ed5fc8847cf4df7199

SHA512
4077a4fb155c3abe6e7cc62fddce5bcbb1535a9d1bd6025d82d63ab15d0e20b4cee6a208a8aceaed58f876d4445450717bbb1c8f204e70c0859ea27f3e710679

Download Submit
\Windows\SysWOW64\Remote Data.exe
Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1644-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1644-51-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1644-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1644-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2516-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2516-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2540-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2540-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2540-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2540-22-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2540-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads