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 5 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/3040-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3040-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2884-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2884-50-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2884-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259400365.txt	family_gh0strat
behavioral1/memory/3040-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3040-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2884-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2884-50-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2884-52-0x0000000010000000-0x00000000101B6000-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\\259400365.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
2612	R.exe
3040	N.exe
2732	TXPlatfor.exe
2884	TXPlatfor.exe
2752	HD_cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe
1924	Remote Data.exe

Loads dropped DLL 9 IoCs

Processes:

cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exe

pid	process
1260	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe
2612	R.exe
2360	svchost.exe
1260	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe
2732	TXPlatfor.exe
1260	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe
1260	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe
2360	svchost.exe
1924	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/3040-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3040-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3040-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2884-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2884-50-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2884-52-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

svchost.exeN.exeR.exe

description	ioc	process
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\259400365.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2652 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe

pid process

1260 cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

2884 TXPlatfor.exe

pid	process
2652	PING.EXE

pid	process
2884	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3040	N.exe
Token: SeLoadDriverPrivilege	2884	TXPlatfor.exe
Token: 33	2884	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2884	TXPlatfor.exe
Token: 33	2884	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2884	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exeHD_cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe

pid	process
1260	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe
1260	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe
2752	HD_cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe
2752	HD_cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 1260 wrote to memory of 2612	1260	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe	R.exe
PID 1260 wrote to memory of 2612	1260	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe	R.exe
PID 1260 wrote to memory of 2612	1260	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe	R.exe
PID 1260 wrote to memory of 2612	1260	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe	R.exe
PID 1260 wrote to memory of 3040	1260	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe	N.exe
PID 1260 wrote to memory of 3040	1260	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe	N.exe
PID 1260 wrote to memory of 3040	1260	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe	N.exe
PID 1260 wrote to memory of 3040	1260	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe	N.exe
PID 1260 wrote to memory of 3040	1260	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe	N.exe
PID 1260 wrote to memory of 3040	1260	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe	N.exe
PID 1260 wrote to memory of 3040	1260	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe	N.exe
PID 3040 wrote to memory of 2676	3040	N.exe	cmd.exe
PID 3040 wrote to memory of 2676	3040	N.exe	cmd.exe
PID 3040 wrote to memory of 2676	3040	N.exe	cmd.exe
PID 3040 wrote to memory of 2676	3040	N.exe	cmd.exe
PID 2732 wrote to memory of 2884	2732	TXPlatfor.exe	TXPlatfor.exe
PID 2732 wrote to memory of 2884	2732	TXPlatfor.exe	TXPlatfor.exe
PID 2732 wrote to memory of 2884	2732	TXPlatfor.exe	TXPlatfor.exe
PID 2732 wrote to memory of 2884	2732	TXPlatfor.exe	TXPlatfor.exe
PID 2732 wrote to memory of 2884	2732	TXPlatfor.exe	TXPlatfor.exe
PID 2732 wrote to memory of 2884	2732	TXPlatfor.exe	TXPlatfor.exe
PID 2732 wrote to memory of 2884	2732	TXPlatfor.exe	TXPlatfor.exe
PID 1260 wrote to memory of 2752	1260	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe	HD_cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe
PID 1260 wrote to memory of 2752	1260	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe	HD_cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe
PID 1260 wrote to memory of 2752	1260	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe	HD_cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe
PID 1260 wrote to memory of 2752	1260	cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe	HD_cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe
PID 2676 wrote to memory of 2652	2676	cmd.exe	PING.EXE
PID 2676 wrote to memory of 2652	2676	cmd.exe	PING.EXE
PID 2676 wrote to memory of 2652	2676	cmd.exe	PING.EXE
PID 2676 wrote to memory of 2652	2676	cmd.exe	PING.EXE
PID 2360 wrote to memory of 1924	2360	svchost.exe	Remote Data.exe
PID 2360 wrote to memory of 1924	2360	svchost.exe	Remote Data.exe
PID 2360 wrote to memory of 1924	2360	svchost.exe	Remote Data.exe
PID 2360 wrote to memory of 1924	2360	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe
"C:\Users\Admin\AppData\Local\Temp\cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1260

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:2612

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:3040

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:2676

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2652

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:2752

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2176

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:2360

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259400365.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1924

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2732

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:2884

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

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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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
\Users\Admin\AppData\Local\Temp\HD_cef1139989b351bb50374b3d4d91275c699c36f89f8cda0ba1f50ae2abd5907d.exe
Filesize
2.3MB

MD5
60a5ce24027527c09011309ce33165dc

SHA1
a9d709a6bdfcb1609a986a2f8c2037542934d0ab

SHA256
dcf52fb9029f76c1c3e7290d522bc555d0f8ef54b21fc7f16c63430995bbb927

SHA512
030af082bfe9101441c504d8f943991623b4fd9585f8b615ef7ff082b20975c6db745284336d76cdac4c6df49a07aa2124a3e05855b4a4d0cd8f6afb842cb927

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\259400365.txt
Filesize
899KB

MD5
e06ae50a01b9a21368b62bef2c25f5c6

SHA1
d0baf0424168e9145c13cc655d1a972cd108b967

SHA256
b82970d198aec7976ac1b403a5e80b25a428ef76771ea5be2f7b351af763a391

SHA512
ec13eb9fb1a85ea807e9936a489c3667aeb4c64781698ead3733378aec3893c1946539a773b2aa69cfae65871166150d470a53ddd6d6508f8c602b1df4831648

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

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2884-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2884-50-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2884-52-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3040-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3040-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3040-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads