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
behavioral2/memory/1252-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1252-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1252-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2948-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2948-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3948-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3948-56-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240602671.txt	family_gh0strat
behavioral2/memory/1252-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1252-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1252-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2948-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2948-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3948-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3948-56-0x0000000010000000-0x00000000101B6000-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\\240602671.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
1088	R.exe
1252	N.exe
2948	TXPlatfor.exe
3948	TXPlatfor.exe
868	HD_1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe
2904	Remote Data.exe

Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

1088 R.exe
880 svchost.exe
2904 Remote Data.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1252-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1252-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1252-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1252-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2948-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2948-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2948-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3948-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3948-56-0x0000000010000000-0x00000000101B6000-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\240602671.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe

Drops file in Program Files directory 1 IoCs

Processes:

1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.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

920 PING.EXE

pid	process
920	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exeHD_1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe

pid	process
1804	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe
1804	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe
868	HD_1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe
868	HD_1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

3948 TXPlatfor.exe

pid	process
3948	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1252	N.exe
Token: SeLoadDriverPrivilege	3948	TXPlatfor.exe
Token: 33	3948	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3948	TXPlatfor.exe
Token: 33	3948	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3948	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe

pid	process
1804	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe
1804	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

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

description	pid	process	target process
PID 1804 wrote to memory of 1088	1804	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe	R.exe
PID 1804 wrote to memory of 1088	1804	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe	R.exe
PID 1804 wrote to memory of 1088	1804	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe	R.exe
PID 1804 wrote to memory of 1252	1804	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe	N.exe
PID 1804 wrote to memory of 1252	1804	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe	N.exe
PID 1804 wrote to memory of 1252	1804	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe	N.exe
PID 1252 wrote to memory of 1200	1252	N.exe	cmd.exe
PID 1252 wrote to memory of 1200	1252	N.exe	cmd.exe
PID 1252 wrote to memory of 1200	1252	N.exe	cmd.exe
PID 2948 wrote to memory of 3948	2948	TXPlatfor.exe	TXPlatfor.exe
PID 2948 wrote to memory of 3948	2948	TXPlatfor.exe	TXPlatfor.exe
PID 2948 wrote to memory of 3948	2948	TXPlatfor.exe	TXPlatfor.exe
PID 1200 wrote to memory of 920	1200	cmd.exe	PING.EXE
PID 1200 wrote to memory of 920	1200	cmd.exe	PING.EXE
PID 1200 wrote to memory of 920	1200	cmd.exe	PING.EXE
PID 1804 wrote to memory of 868	1804	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe	HD_1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe
PID 1804 wrote to memory of 868	1804	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe	HD_1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe
PID 1804 wrote to memory of 868	1804	1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe	HD_1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe
PID 880 wrote to memory of 2904	880	svchost.exe	Remote Data.exe
PID 880 wrote to memory of 2904	880	svchost.exe	Remote Data.exe
PID 880 wrote to memory of 2904	880	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe
"C:\Users\Admin\AppData\Local\Temp\1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1804

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:1088

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:1252

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:1200

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:920

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:868

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2032

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:880

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240602671.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2904

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2948

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:3948

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_1fa900a70c6bb5dec41d12a1efb30f57502431325ad53747e43a8ff0fa92dbbc.exe

Filesize
973KB

MD5
4d6319b2892540eeed7e2c9136055f94

SHA1
30f869bebab1878f9e3c32f6298ae740a380c5e6

SHA256
5da393bf4f3447c0249ee0143e58dc38a00ab2c137fae967538cc390779c1d05

SHA512
6f27e4b4a42a8bd5c0e75b110f171115ed4fbc72f6d6996b07a458217c044f7a4d9ca0aeaf6d04c719f5e96812432f308dd2e2129a5031078f85a6391f0d9375

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

Filesize
2.5MB

MD5
7b3b7ea4dabfdab15f1511859a16a8b8

SHA1
e8a52741ee08a229fe90bb48b28f8c6b0b631d90

SHA256
23a241dd57f42c70f20107d69428c8b2784a4c10ec0b9c44d66a57054b8205fc

SHA512
bedd8f03cfe9487ad1012079e16c0777b78fe02b1c1b9d8d87990889ceffa780b612265d3ebc36fc1250d8cc1c74a9248bd2635db284b94cbe9a3a7a5e15252f

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\240602671.txt

Filesize
899KB

MD5
42f04ccbdff74c0608918c37bcb2fe23

SHA1
8fadd10e34b2b3660bcbcfcd00721ca7559ee6fc

SHA256
a37b27a59fd2d40c500662298393449645786b13b38ac19aee1decb674779b90

SHA512
ca07b732f2ec25c6ad49854ee17e5ce39d28911cc5eb1a57082dc6d02db4bf10fb20882776c99e2e1acbf4956ad0c88a7a5726fcd4d088ccc0ba6cc556b2fb6b

Download Submit
C:\Windows\SysWOW64\Remote Data.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1252-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1252-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1252-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1252-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2948-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2948-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2948-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3948-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3948-56-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads