gh0strat | 1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc

General

Target

1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe
Size

3.4MB
MD5

91b5ed76fc841179c0780bf2bfcc6029
SHA1

aef758f3ab59ca965d26a1dc4b32619839758133
SHA256

1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc
SHA512

340173685878198de9a3710eb3839741b23d0c050202b2c5eece3f586388868c1501fb10da43f972f40f42f4ddc8ed2ceb819752adb4e33f8bc112ecdd72c965
SSDEEP

49152:kCwsbCANnKXferL7Vwe/Gg0P+WhxVEVkUZI+f0M0FU:nws2ANnKXOaeOgmh6kUiRFU

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/2648-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2648-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2432-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2432-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2432-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2432-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2432-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259391411.txt	family_gh0strat
behavioral1/memory/2648-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2648-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2432-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2432-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2432-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2432-46-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2432-49-0x0000000010000000-0x00000000101B6000-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\\259391411.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_1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exeRemote Data.exe

pid	process
2872	R.exe
2648	N.exe
2104	TXPlatfor.exe
2432	TXPlatfor.exe
2632	HD_1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe
1044	Remote Data.exe

Loads dropped DLL 8 IoCs

Processes:

1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exe

pid	process
1680	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe
2872	R.exe
2928	svchost.exe
1680	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe
2104	TXPlatfor.exe
1680	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe
2928	svchost.exe
1044	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/2648-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2648-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2648-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2432-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2432-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2432-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2432-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2432-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2432-49-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

R.exesvchost.exeN.exe

description	ioc	process
File created	C:\Windows\SysWOW64\259391411.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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2484 PING.EXE

pid	process
2484	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exeHD_1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe

pid	process
1680	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe
2632	HD_1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

2432 TXPlatfor.exe

pid	process
2432	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2648	N.exe
Token: SeLoadDriverPrivilege	2432	TXPlatfor.exe
Token: 33	2432	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2432	TXPlatfor.exe
Token: 33	2432	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2432	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe

pid	process
1680	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe
1680	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 1680 wrote to memory of 2872	1680	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe	R.exe
PID 1680 wrote to memory of 2872	1680	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe	R.exe
PID 1680 wrote to memory of 2872	1680	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe	R.exe
PID 1680 wrote to memory of 2872	1680	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe	R.exe
PID 1680 wrote to memory of 2648	1680	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe	N.exe
PID 1680 wrote to memory of 2648	1680	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe	N.exe
PID 1680 wrote to memory of 2648	1680	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe	N.exe
PID 1680 wrote to memory of 2648	1680	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe	N.exe
PID 1680 wrote to memory of 2648	1680	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe	N.exe
PID 1680 wrote to memory of 2648	1680	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe	N.exe
PID 1680 wrote to memory of 2648	1680	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe	N.exe
PID 2648 wrote to memory of 2660	2648	N.exe	cmd.exe
PID 2648 wrote to memory of 2660	2648	N.exe	cmd.exe
PID 2648 wrote to memory of 2660	2648	N.exe	cmd.exe
PID 2648 wrote to memory of 2660	2648	N.exe	cmd.exe
PID 2104 wrote to memory of 2432	2104	TXPlatfor.exe	TXPlatfor.exe
PID 2104 wrote to memory of 2432	2104	TXPlatfor.exe	TXPlatfor.exe
PID 2104 wrote to memory of 2432	2104	TXPlatfor.exe	TXPlatfor.exe
PID 2104 wrote to memory of 2432	2104	TXPlatfor.exe	TXPlatfor.exe
PID 2104 wrote to memory of 2432	2104	TXPlatfor.exe	TXPlatfor.exe
PID 2104 wrote to memory of 2432	2104	TXPlatfor.exe	TXPlatfor.exe
PID 2104 wrote to memory of 2432	2104	TXPlatfor.exe	TXPlatfor.exe
PID 1680 wrote to memory of 2632	1680	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe	HD_1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe
PID 1680 wrote to memory of 2632	1680	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe	HD_1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe
PID 1680 wrote to memory of 2632	1680	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe	HD_1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe
PID 1680 wrote to memory of 2632	1680	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe	HD_1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe
PID 2660 wrote to memory of 2484	2660	cmd.exe	PING.EXE
PID 2660 wrote to memory of 2484	2660	cmd.exe	PING.EXE
PID 2660 wrote to memory of 2484	2660	cmd.exe	PING.EXE
PID 2660 wrote to memory of 2484	2660	cmd.exe	PING.EXE
PID 2928 wrote to memory of 1044	2928	svchost.exe	Remote Data.exe
PID 2928 wrote to memory of 1044	2928	svchost.exe	Remote Data.exe
PID 2928 wrote to memory of 1044	2928	svchost.exe	Remote Data.exe
PID 2928 wrote to memory of 1044	2928	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe
"C:\Users\Admin\AppData\Local\Temp\1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1680

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:2872

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:2648

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:2660

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2484

C:\Users\Admin\AppData\Local\Temp\HD_1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe
C:\Users\Admin\AppData\Local\Temp\HD_1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2632

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2520

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:2928

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259391411.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1044

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2104

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:2432

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_X.dat

Filesize
2.5MB

MD5
7b3b7ea4dabfdab15f1511859a16a8b8

SHA1
e8a52741ee08a229fe90bb48b28f8c6b0b631d90

SHA256
23a241dd57f42c70f20107d69428c8b2784a4c10ec0b9c44d66a57054b8205fc

SHA512
bedd8f03cfe9487ad1012079e16c0777b78fe02b1c1b9d8d87990889ceffa780b612265d3ebc36fc1250d8cc1c74a9248bd2635db284b94cbe9a3a7a5e15252f

Download Submit
\Users\Admin\AppData\Local\Temp\HD_1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe

Filesize
973KB

MD5
4d6319b2892540eeed7e2c9136055f94

SHA1
30f869bebab1878f9e3c32f6298ae740a380c5e6

SHA256
5da393bf4f3447c0249ee0143e58dc38a00ab2c137fae967538cc390779c1d05

SHA512
6f27e4b4a42a8bd5c0e75b110f171115ed4fbc72f6d6996b07a458217c044f7a4d9ca0aeaf6d04c719f5e96812432f308dd2e2129a5031078f85a6391f0d9375

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259391411.txt

Filesize
899KB

MD5
42f04ccbdff74c0608918c37bcb2fe23

SHA1
8fadd10e34b2b3660bcbcfcd00721ca7559ee6fc

SHA256
a37b27a59fd2d40c500662298393449645786b13b38ac19aee1decb674779b90

SHA512
ca07b732f2ec25c6ad49854ee17e5ce39d28911cc5eb1a57082dc6d02db4bf10fb20882776c99e2e1acbf4956ad0c88a7a5726fcd4d088ccc0ba6cc556b2fb6b

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2432-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2432-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2432-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2432-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2432-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2432-49-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2648-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2648-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2648-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads