gh0strat | 690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a

General

Target

690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe
Size

3.7MB
MD5

6768a0acd90a7176e16617c6e28fb1d6
SHA1

4a19c9e30d74abe4a0d1e5b728cc53121a88ed9b
SHA256

690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a
SHA512

94c9ecbe56fe517be1d5f7165f54706e328f83a7c0255b50b92a79be7153360774a45860d1efdaba0cdb592b18258f8a5c97fd94d1e6a227261c3558e901842c
SSDEEP

49152:PCwsbCANnKXferL7Vwe/Gg0P+WhP9JDmn2v7J3jgI+rTvDzp:aws2ANnKXOaeOgmhVJDmn2d3jTOzp

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/2652-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2652-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2532-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2532-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2532-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2532-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2532-53-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259425435.txt	family_gh0strat
behavioral1/memory/2652-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2652-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2532-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2532-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2532-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2532-45-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2532-53-0x0000000010000000-0x00000000101B6000-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\\259425435.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_690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exeRemote Data.exe

pid	process
1116	R.exe
2652	N.exe
2484	TXPlatfor.exe
2532	TXPlatfor.exe
2492	HD_690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe
2304	Remote Data.exe

Loads dropped DLL 8 IoCs

Processes:

690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exe

pid	process
1196	690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe
1116	R.exe
1724	svchost.exe
1196	690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe
2484	TXPlatfor.exe
1196	690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe
1724	svchost.exe
2304	Remote Data.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2652-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2652-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2652-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2532-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2532-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2532-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2532-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2532-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2532-53-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

svchost.exeN.exeR.exe

description	ioc	process
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\259425435.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2420 PING.EXE

pid	process
2420	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exeHD_690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe

pid	process
1196	690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe
2492	HD_690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

2532 TXPlatfor.exe

pid	process
2532	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2652	N.exe
Token: SeLoadDriverPrivilege	2532	TXPlatfor.exe
Token: 33	2532	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2532	TXPlatfor.exe
Token: 33	2532	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2532	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe

pid	process
1196	690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe
1196	690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 1196 wrote to memory of 1116	1196	690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe	R.exe
PID 1196 wrote to memory of 1116	1196	690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe	R.exe
PID 1196 wrote to memory of 1116	1196	690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe	R.exe
PID 1196 wrote to memory of 1116	1196	690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe	R.exe
PID 1196 wrote to memory of 2652	1196	690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe	N.exe
PID 1196 wrote to memory of 2652	1196	690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe	N.exe
PID 1196 wrote to memory of 2652	1196	690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe	N.exe
PID 1196 wrote to memory of 2652	1196	690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe	N.exe
PID 1196 wrote to memory of 2652	1196	690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe	N.exe
PID 1196 wrote to memory of 2652	1196	690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe	N.exe
PID 1196 wrote to memory of 2652	1196	690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe	N.exe
PID 2652 wrote to memory of 2616	2652	N.exe	cmd.exe
PID 2652 wrote to memory of 2616	2652	N.exe	cmd.exe
PID 2652 wrote to memory of 2616	2652	N.exe	cmd.exe
PID 2652 wrote to memory of 2616	2652	N.exe	cmd.exe
PID 2484 wrote to memory of 2532	2484	TXPlatfor.exe	TXPlatfor.exe
PID 2484 wrote to memory of 2532	2484	TXPlatfor.exe	TXPlatfor.exe
PID 2484 wrote to memory of 2532	2484	TXPlatfor.exe	TXPlatfor.exe
PID 2484 wrote to memory of 2532	2484	TXPlatfor.exe	TXPlatfor.exe
PID 2484 wrote to memory of 2532	2484	TXPlatfor.exe	TXPlatfor.exe
PID 2484 wrote to memory of 2532	2484	TXPlatfor.exe	TXPlatfor.exe
PID 2484 wrote to memory of 2532	2484	TXPlatfor.exe	TXPlatfor.exe
PID 1196 wrote to memory of 2492	1196	690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe	HD_690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe
PID 1196 wrote to memory of 2492	1196	690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe	HD_690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe
PID 1196 wrote to memory of 2492	1196	690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe	HD_690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe
PID 1196 wrote to memory of 2492	1196	690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe	HD_690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe
PID 2616 wrote to memory of 2420	2616	cmd.exe	PING.EXE
PID 2616 wrote to memory of 2420	2616	cmd.exe	PING.EXE
PID 2616 wrote to memory of 2420	2616	cmd.exe	PING.EXE
PID 2616 wrote to memory of 2420	2616	cmd.exe	PING.EXE
PID 1724 wrote to memory of 2304	1724	svchost.exe	Remote Data.exe
PID 1724 wrote to memory of 2304	1724	svchost.exe	Remote Data.exe
PID 1724 wrote to memory of 2304	1724	svchost.exe	Remote Data.exe
PID 1724 wrote to memory of 2304	1724	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe
"C:\Users\Admin\AppData\Local\Temp\690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1196

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:1116

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:2652

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:2616

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2420

C:\Users\Admin\AppData\Local\Temp\HD_690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe
C:\Users\Admin\AppData\Local\Temp\HD_690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2492

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1904

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:1724

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259425435.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2304

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2484

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:2532

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_690da37ad986adfd451b1e1e5b3393b09831eb4335fa6a2d1fbc395fa7ae6c0a.exe

Filesize
974KB

MD5
acf68f6654c5eccd78ac6ca6801a7935

SHA1
c66b495cd6d1672064df7758cde54450c81e9f50

SHA256
0d41201afcc8ec47238312d997f9e778e51b5a792ea50b93e83d6c222a1b96cb

SHA512
0626a8ce25d6bb03bc24dbc10e34e2e0d5e8f6bce50f025380bf3ced3cd1c56204f4bc1e40322ab6b5d842c4b340182c656be9d124dea223fde188c07b6735fc

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\Desktop\SwitchFormat.exe

Filesize
3.2MB

MD5
e2772926d04261ef279b92cbd61fcd5d

SHA1
3365197dd78d217fc7971d6f3e29a9f9bbf795ae

SHA256
693bc5d2c8166ae3251e25ed45ca6575ab95bc640cf54eb826f994471bc8c229

SHA512
1362983a966fa326201e6112b41a3e4450771c69242234a2898616834ca9ecd7db09b2f1c07434bd7672a5dfb5f031c78d4c488fb4c6be581dfcfe8746e4bef0

Download Submit
\Users\Admin\AppData\Local\Temp\R.exe

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259425435.txt

Filesize
899KB

MD5
38c8593f0b50dea20a29a48a33635652

SHA1
6056212f5fdbd602fdef7c1081a1af5375af5bdd

SHA256
768e4d507535f8bdd9bee539bb56629d93a287cb9580c1b4a020493e6c658adf

SHA512
9232cfa6cc7627833e524d714ecc0b9093164e6bdd52024012934257412524f7eed94c126986be45e0dac6c481f0fd108bb9edd645d75b94f39823d3e4e0af21

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2532-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2532-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2532-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2532-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2532-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2532-53-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2652-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2652-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2652-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads