gh0strat | cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d

General

Target

cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe
Size

4.7MB
MD5

03173ed913c3ac2a5bab715c5abbd211
SHA1

c592db1fad923f19aac98904f88bd736bf973a50
SHA256

cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d
SHA512

9b771e9017de11988be30b48d6700f2b079bfa8b8b51e19b715a9482823a89874db946e2272a73cd2f3247b903184cd50d6d30a757c660ee5e71f1786b266976
SSDEEP

98304:Aws2ANnKXOaeOgmhRH5DUQCWEe4bM/2dlG4PEa5O:WKXbeO77xUQCRM/SK

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/4892-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4892-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4892-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5952-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5952-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5624-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5624-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5624-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240600015.txt	family_gh0strat
behavioral2/memory/4892-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4892-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4892-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5952-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5952-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5624-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5624-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5624-35-0x0000000010000000-0x00000000101B6000-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\\240600015.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_cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exeRemote Data.exe

pid	process
6084	R.exe
4892	N.exe
5952	TXPlatfor.exe
5624	TXPlatfor.exe
1900	HD_cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe
1992	Remote Data.exe

Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

6084 R.exe
4380 svchost.exe
1992 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/4892-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4892-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4892-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4892-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5952-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5952-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5624-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5624-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5624-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5952-26-0x0000000010000000-0x00000000101B6000-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\240600015.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe

Drops file in Program Files directory 1 IoCs

Processes:

cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.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

4448 PING.EXE

pid	process
4448	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe

pid	process
1124	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe
1124	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

5624 TXPlatfor.exe

pid	process
5624	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4892	N.exe
Token: SeLoadDriverPrivilege	5624	TXPlatfor.exe
Token: 33	5624	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	5624	TXPlatfor.exe
Token: 33	5624	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	5624	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exeHD_cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe

pid	process
1124	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe
1124	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe
1900	HD_cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe
1900	HD_cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exeTXPlatfor.exeN.execmd.exesvchost.exe

description	pid	process	target process
PID 1124 wrote to memory of 6084	1124	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe	R.exe
PID 1124 wrote to memory of 6084	1124	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe	R.exe
PID 1124 wrote to memory of 6084	1124	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe	R.exe
PID 1124 wrote to memory of 4892	1124	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe	N.exe
PID 1124 wrote to memory of 4892	1124	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe	N.exe
PID 1124 wrote to memory of 4892	1124	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe	N.exe
PID 5952 wrote to memory of 5624	5952	TXPlatfor.exe	TXPlatfor.exe
PID 5952 wrote to memory of 5624	5952	TXPlatfor.exe	TXPlatfor.exe
PID 5952 wrote to memory of 5624	5952	TXPlatfor.exe	TXPlatfor.exe
PID 4892 wrote to memory of 2552	4892	N.exe	cmd.exe
PID 4892 wrote to memory of 2552	4892	N.exe	cmd.exe
PID 4892 wrote to memory of 2552	4892	N.exe	cmd.exe
PID 2552 wrote to memory of 4448	2552	cmd.exe	PING.EXE
PID 2552 wrote to memory of 4448	2552	cmd.exe	PING.EXE
PID 2552 wrote to memory of 4448	2552	cmd.exe	PING.EXE
PID 1124 wrote to memory of 1900	1124	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe	HD_cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe
PID 1124 wrote to memory of 1900	1124	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe	HD_cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe
PID 1124 wrote to memory of 1900	1124	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe	HD_cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe
PID 4380 wrote to memory of 1992	4380	svchost.exe	Remote Data.exe
PID 4380 wrote to memory of 1992	4380	svchost.exe	Remote Data.exe
PID 4380 wrote to memory of 1992	4380	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe
"C:\Users\Admin\AppData\Local\Temp\cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1124

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:6084

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:4892

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:2552

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:4448

C:\Users\Admin\AppData\Local\Temp\HD_cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe
C:\Users\Admin\AppData\Local\Temp\HD_cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1900

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:3288

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:4380

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240600015.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1992

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5952

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:5624

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_X.dat

Filesize
2.4MB

MD5
c00668cd1543c3a04043628c7f3b558a

SHA1
f54ec0ef41c7aa8f23502a6051ea029fc8ddad00

SHA256
d3b7c9a0a6140b73ec44127eafb0af5bb8d5093c8c922e72cec06e61ef2d9800

SHA512
50746599fc79eca2d8124faa8cf28adab55e2ca01c93e260af1c60c85816a9c6d44bfc1731076f31f1507c9428b638d866b2378fe0d3a2694322f4ba24dee301

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe

Filesize
2.3MB

MD5
60a5ce24027527c09011309ce33165dc

SHA1
a9d709a6bdfcb1609a986a2f8c2037542934d0ab

SHA256
dcf52fb9029f76c1c3e7290d522bc555d0f8ef54b21fc7f16c63430995bbb927

SHA512
030af082bfe9101441c504d8f943991623b4fd9585f8b615ef7ff082b20975c6db745284336d76cdac4c6df49a07aa2124a3e05855b4a4d0cd8f6afb842cb927

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\240600015.txt

Filesize
899KB

MD5
e06ae50a01b9a21368b62bef2c25f5c6

SHA1
d0baf0424168e9145c13cc655d1a972cd108b967

SHA256
b82970d198aec7976ac1b403a5e80b25a428ef76771ea5be2f7b351af763a391

SHA512
ec13eb9fb1a85ea807e9936a489c3667aeb4c64781698ead3733378aec3893c1946539a773b2aa69cfae65871166150d470a53ddd6d6508f8c602b1df4831648

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/4892-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4892-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4892-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4892-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5624-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5624-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5624-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5952-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5952-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5952-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads