gh0strat | 2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f

General

Target

2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe
Size

2.7MB
MD5

0b499c1e2add0fa6ebac5b0064742263
SHA1

e94876d9468e6d68a4872508a6f7a98b645e8027
SHA256

2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f
SHA512

27b288d92e04744221204d3f80f3df73d338936f2a277feb663def529a36bf7614802b17743bfbe2fff4cddf2f68275c2b48e36865b166b80f405f3425931cf4
SSDEEP

49152:yCwsbCANnKXferL7Vwe/Gg0P+WhbLTwM6mn21:Vws2ANnKXOaeOgmhPTwM6mn21

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2572-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2572-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2576-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2576-51-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2576-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259398010.txt	family_gh0strat
behavioral1/memory/2572-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2572-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2576-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2576-51-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2576-52-0x0000000010000000-0x00000000101B6000-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\\259398010.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.exeTXPlatfor.exeHD_2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exeRemote Data.exe

pid	process
2464	R.exe
2572	N.exe
2516	TXPlatfor.exe
2576	TXPlatfor.exe
2408	HD_2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe
2664	Remote Data.exe

Loads dropped DLL 10 IoCs

Processes:

2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exe

pid	process
1628	2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe
2464	R.exe
2256	svchost.exe
1628	2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe
2516	TXPlatfor.exe
1628	2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe
1628	2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe
2604
2256	svchost.exe
2664	Remote Data.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2572-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2572-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2572-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2576-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2576-51-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2576-52-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

R.exesvchost.exeN.exe

description	ioc	process
File created	C:\Windows\SysWOW64\259398010.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
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.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

376 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe

pid process

1628 2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

2576 TXPlatfor.exe

pid	process
376	PING.EXE

pid	process
2576	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2572	N.exe
Token: SeLoadDriverPrivilege	2576	TXPlatfor.exe
Token: 33	2576	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2576	TXPlatfor.exe
Token: 33	2576	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2576	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe

pid	process
1628	2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe
1628	2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 1628 wrote to memory of 2464	1628	2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe	R.exe
PID 1628 wrote to memory of 2464	1628	2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe	R.exe
PID 1628 wrote to memory of 2464	1628	2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe	R.exe
PID 1628 wrote to memory of 2464	1628	2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe	R.exe
PID 1628 wrote to memory of 2572	1628	2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe	N.exe
PID 1628 wrote to memory of 2572	1628	2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe	N.exe
PID 1628 wrote to memory of 2572	1628	2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe	N.exe
PID 1628 wrote to memory of 2572	1628	2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe	N.exe
PID 1628 wrote to memory of 2572	1628	2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe	N.exe
PID 1628 wrote to memory of 2572	1628	2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe	N.exe
PID 1628 wrote to memory of 2572	1628	2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe	N.exe
PID 2572 wrote to memory of 2624	2572	N.exe	cmd.exe
PID 2572 wrote to memory of 2624	2572	N.exe	cmd.exe
PID 2572 wrote to memory of 2624	2572	N.exe	cmd.exe
PID 2572 wrote to memory of 2624	2572	N.exe	cmd.exe
PID 2516 wrote to memory of 2576	2516	TXPlatfor.exe	TXPlatfor.exe
PID 2516 wrote to memory of 2576	2516	TXPlatfor.exe	TXPlatfor.exe
PID 2516 wrote to memory of 2576	2516	TXPlatfor.exe	TXPlatfor.exe
PID 2516 wrote to memory of 2576	2516	TXPlatfor.exe	TXPlatfor.exe
PID 2516 wrote to memory of 2576	2516	TXPlatfor.exe	TXPlatfor.exe
PID 2516 wrote to memory of 2576	2516	TXPlatfor.exe	TXPlatfor.exe
PID 2516 wrote to memory of 2576	2516	TXPlatfor.exe	TXPlatfor.exe
PID 1628 wrote to memory of 2408	1628	2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe	HD_2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe
PID 1628 wrote to memory of 2408	1628	2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe	HD_2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe
PID 1628 wrote to memory of 2408	1628	2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe	HD_2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe
PID 1628 wrote to memory of 2408	1628	2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe	HD_2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe
PID 2624 wrote to memory of 376	2624	cmd.exe	PING.EXE
PID 2624 wrote to memory of 376	2624	cmd.exe	PING.EXE
PID 2624 wrote to memory of 376	2624	cmd.exe	PING.EXE
PID 2624 wrote to memory of 376	2624	cmd.exe	PING.EXE
PID 2256 wrote to memory of 2664	2256	svchost.exe	Remote Data.exe
PID 2256 wrote to memory of 2664	2256	svchost.exe	Remote Data.exe
PID 2256 wrote to memory of 2664	2256	svchost.exe	Remote Data.exe
PID 2256 wrote to memory of 2664	2256	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe
"C:\Users\Admin\AppData\Local\Temp\2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1628

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:2464

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:2572

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:2624

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:376

C:\Users\Admin\AppData\Local\Temp\HD_2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe
C:\Users\Admin\AppData\Local\Temp\HD_2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe
2⤵
- Executes dropped EXE
PID:2408

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2116

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:2256

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259398010.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2664

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:2576

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_2a3ab3d217e5f1dacd461f18938692e4f1556f54bb7c2498ccc0a483b5484f8f.exe
Filesize
76KB

MD5
e0ea76f1b06d507eb76d96ef03cd344a

SHA1
c097180ff3aaf26e7616163d7021b8ef46a6904a

SHA256
99889382d4e6bcd9c2549bae8948e6269e6ca13044512012f9479b7fd3ad7b0d

SHA512
7e4538080bd842d7a783cceb73fb982816ed7228663edefdebfec523560c663ca2c9b6bd6c473e5f5fcb7d82bade8a7c5d19cbc0448111a7876bc2c2cc456151

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

MD5
25411e8ec8c4480ab0c70c4b3e655e19

SHA1
899f104a98634d92b84ae9c9e1c96490268fbb84

SHA256
1a76391fc586fa9fb7466802dfaee2ecc19b9602b7d6e80b2c043e7d51e7a33d

SHA512
5cd2704436b0ddfa2e55dac9dde7438148513a2b65e8382458fb00e38ad7671754a97b431d848aff617f3c44e17c064de34c0a861a155d3b3c83335f5da0f153

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\259398010.txt
Filesize
899KB

MD5
9bd426db9b0abac39a28364c037ffccf

SHA1
45af4772bb8b7d4bafc0bcef24ffa4a9042cd1ec

SHA256
39cc3da03f967aeb6cba67ab666bdff04c75aebe4ec445e46751163b9f653d13

SHA512
ce015344a6d104fb0a7b4034111d64e7d4adf2edbed7613a579223d7ade7264878c5246051ee57f846750422ea1578d2ec7a0f66aa82e4bff3c59a99b86e33c8

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

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2572-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2572-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2572-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2576-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2576-51-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2576-52-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads