gh0strat | aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff

General

Target

aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exe
Size

2.5MB
MD5

396d7d0de1669ec544df36d0a9f103b9
SHA1

986b013e4b9d3f8acf9735b25da8b87250e8bfea
SHA256

aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff
SHA512

3181b3a523b017182a7010fef16650bb95755f4ca9ca8069bbd8b6a60957eac19513d88cef3272d1495a922990d7d994c248a1f6f8985097ac7b8382fca85124
SSDEEP

24576:7CwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHb:7CwsbCANnKXferL7Vwe/Gg0P+WhwJ

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/1000-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1000-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1000-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/372-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/372-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3172-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3172-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3172-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240609671.txt	family_gh0strat
behavioral2/memory/1000-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1000-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1000-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/372-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/372-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3172-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3172-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3172-52-0x0000000010000000-0x00000000101B6000-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\\240609671.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

2588 R.exe
1000 N.exe
372 TXPlatfor.exe
3172 TXPlatfor.exe
4044 Remote Data.exe
Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

2588 R.exe
3720 svchost.exe
4044 Remote Data.exe

pid	process
2588	R.exe
1000	N.exe
372	TXPlatfor.exe
3172	TXPlatfor.exe
4044	Remote Data.exe

pid	process
2588	R.exe
3720	svchost.exe
4044	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/1000-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1000-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1000-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1000-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/372-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/372-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/372-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3172-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3172-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3172-52-0x0000000010000000-0x00000000101B6000-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\240609671.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:

aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.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

632 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

3172 TXPlatfor.exe

pid	process
632	PING.EXE

pid	process
3172	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1000	N.exe
Token: SeLoadDriverPrivilege	3172	TXPlatfor.exe
Token: 33	3172	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3172	TXPlatfor.exe
Token: 33	3172	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3172	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exe

pid	process
3608	aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exe
3608	aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 3608 wrote to memory of 2588	3608	aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exe	R.exe
PID 3608 wrote to memory of 2588	3608	aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exe	R.exe
PID 3608 wrote to memory of 2588	3608	aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exe	R.exe
PID 3608 wrote to memory of 1000	3608	aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exe	N.exe
PID 3608 wrote to memory of 1000	3608	aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exe	N.exe
PID 3608 wrote to memory of 1000	3608	aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exe	N.exe
PID 1000 wrote to memory of 3444	1000	N.exe	cmd.exe
PID 1000 wrote to memory of 3444	1000	N.exe	cmd.exe
PID 1000 wrote to memory of 3444	1000	N.exe	cmd.exe
PID 372 wrote to memory of 3172	372	TXPlatfor.exe	TXPlatfor.exe
PID 372 wrote to memory of 3172	372	TXPlatfor.exe	TXPlatfor.exe
PID 372 wrote to memory of 3172	372	TXPlatfor.exe	TXPlatfor.exe
PID 3444 wrote to memory of 632	3444	cmd.exe	PING.EXE
PID 3444 wrote to memory of 632	3444	cmd.exe	PING.EXE
PID 3444 wrote to memory of 632	3444	cmd.exe	PING.EXE
PID 3720 wrote to memory of 4044	3720	svchost.exe	Remote Data.exe
PID 3720 wrote to memory of 4044	3720	svchost.exe	Remote Data.exe
PID 3720 wrote to memory of 4044	3720	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exe
"C:\Users\Admin\AppData\Local\Temp\aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3608

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:2588

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:1000

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:3444

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:632

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2612

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:3720

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240609671.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4044

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:372

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:3172

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
2.5MB

MD5
396d7d0de1669ec544df36d0a9f103b9

SHA1
986b013e4b9d3f8acf9735b25da8b87250e8bfea

SHA256
aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff

SHA512
3181b3a523b017182a7010fef16650bb95755f4ca9ca8069bbd8b6a60957eac19513d88cef3272d1495a922990d7d994c248a1f6f8985097ac7b8382fca85124

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\240609671.txt
Filesize
899KB

MD5
557ef147f9a8815add0653c5af88e109

SHA1
5a0fbcbf785dc65b5a64bbb837e407a545e58b03

SHA256
46c08e19a991e9279bad0f14dede3d8362dc4463f3a4368406549aa360266247

SHA512
e261e59d1d44b87e9a41f890a347e65f6674a9a71199b932edf47de28391bcf4faacf27e8611d173244937a83b9c2062f9668936885d696417c8cd635507fc27

Download Submit
C:\Windows\SysWOW64\Remote Data.exe
Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/372-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/372-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/372-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1000-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1000-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1000-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1000-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3172-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3172-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3172-52-0x0000000010000000-0x00000000101B6000-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