gh0strat | 25590c23c4d40f4722e8662e3baeb1d3bd6afade0fe8ef1eb80aad24b06230f7

General

Target

25590c23c4d40f4722e8662e3baeb1d3bd6afade0fe8ef1eb80aad24b06230f7.exe
Size

2.7MB
MD5

7257d8b0cc6a31ca72cab0e44393dcc1
SHA1

8731bfe6d25bd974a16d6d1b741052e5a92719f3
SHA256

25590c23c4d40f4722e8662e3baeb1d3bd6afade0fe8ef1eb80aad24b06230f7
SHA512

2b87c6b8bad9175d00054791ef311e40441205afdefd3833cf37049ef3b2a89706adc1935a0af5b3573926a39101265ac680714c389369299c9a76b5286e9ac2
SSDEEP

24576:wCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHy:wCwsbCANnKXferL7Vwe/Gg0P+WhLRb/

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/3664-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3664-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3664-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/432-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/432-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2136-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2136-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2136-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240597000.txt	family_gh0strat
behavioral2/memory/3664-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3664-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3664-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/432-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/432-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2136-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2136-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2136-43-0x0000000010000000-0x00000000101B6000-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\\240597000.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 5 IoCs

Processes:

R.exeN.exeTXPlatfor.exeTXPlatfor.exeRemote Data.exe

pid process

2032 R.exe
3664 N.exe
432 TXPlatfor.exe
2136 TXPlatfor.exe
4528 Remote Data.exe
Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

2032 R.exe
5084 svchost.exe
4528 Remote Data.exe

pid	process
2032	R.exe
3664	N.exe
432	TXPlatfor.exe
2136	TXPlatfor.exe
4528	Remote Data.exe

pid	process
2032	R.exe
5084	svchost.exe
4528	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/3664-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3664-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3664-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3664-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/432-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/432-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/432-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2136-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2136-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2136-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

N.exeR.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\240597000.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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

5036 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

2136 TXPlatfor.exe

pid	process
5036	PING.EXE

pid	process
2136	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3664	N.exe
Token: SeLoadDriverPrivilege	2136	TXPlatfor.exe
Token: 33	2136	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2136	TXPlatfor.exe
Token: 33	2136	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2136	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

25590c23c4d40f4722e8662e3baeb1d3bd6afade0fe8ef1eb80aad24b06230f7.exe

pid	process
3392	25590c23c4d40f4722e8662e3baeb1d3bd6afade0fe8ef1eb80aad24b06230f7.exe
3392	25590c23c4d40f4722e8662e3baeb1d3bd6afade0fe8ef1eb80aad24b06230f7.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

25590c23c4d40f4722e8662e3baeb1d3bd6afade0fe8ef1eb80aad24b06230f7.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 3392 wrote to memory of 2032	3392	25590c23c4d40f4722e8662e3baeb1d3bd6afade0fe8ef1eb80aad24b06230f7.exe	R.exe
PID 3392 wrote to memory of 2032	3392	25590c23c4d40f4722e8662e3baeb1d3bd6afade0fe8ef1eb80aad24b06230f7.exe	R.exe
PID 3392 wrote to memory of 2032	3392	25590c23c4d40f4722e8662e3baeb1d3bd6afade0fe8ef1eb80aad24b06230f7.exe	R.exe
PID 3392 wrote to memory of 3664	3392	25590c23c4d40f4722e8662e3baeb1d3bd6afade0fe8ef1eb80aad24b06230f7.exe	N.exe
PID 3392 wrote to memory of 3664	3392	25590c23c4d40f4722e8662e3baeb1d3bd6afade0fe8ef1eb80aad24b06230f7.exe	N.exe
PID 3392 wrote to memory of 3664	3392	25590c23c4d40f4722e8662e3baeb1d3bd6afade0fe8ef1eb80aad24b06230f7.exe	N.exe
PID 3664 wrote to memory of 5072	3664	N.exe	cmd.exe
PID 3664 wrote to memory of 5072	3664	N.exe	cmd.exe
PID 3664 wrote to memory of 5072	3664	N.exe	cmd.exe
PID 432 wrote to memory of 2136	432	TXPlatfor.exe	TXPlatfor.exe
PID 432 wrote to memory of 2136	432	TXPlatfor.exe	TXPlatfor.exe
PID 432 wrote to memory of 2136	432	TXPlatfor.exe	TXPlatfor.exe
PID 5072 wrote to memory of 5036	5072	cmd.exe	PING.EXE
PID 5072 wrote to memory of 5036	5072	cmd.exe	PING.EXE
PID 5072 wrote to memory of 5036	5072	cmd.exe	PING.EXE
PID 5084 wrote to memory of 4528	5084	svchost.exe	Remote Data.exe
PID 5084 wrote to memory of 4528	5084	svchost.exe	Remote Data.exe
PID 5084 wrote to memory of 4528	5084	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\25590c23c4d40f4722e8662e3baeb1d3bd6afade0fe8ef1eb80aad24b06230f7.exe
"C:\Users\Admin\AppData\Local\Temp\25590c23c4d40f4722e8662e3baeb1d3bd6afade0fe8ef1eb80aad24b06230f7.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3392

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:2032

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:3664

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:5072

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:5036

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1592

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:5084

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240597000.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4528

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:432

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:2136

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\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:\Users\Admin\Desktop\InstallPop.exe
Filesize
3.5MB

MD5
8ec95a09e18b2ef8182f7e02a558c58f

SHA1
65bdff4e46fadfeaccb2e9befb01719a421af16d

SHA256
c8d726797cd280aa87acbe0ef46f4e234ee6ec633b0ee30241c0738300cd3ca1

SHA512
ce68fb942c83afed2c18a78b2ff269f9ea3c983ca3cd0a0afa187935c599019833ee48fb04156d6a702b57653f37699ca9f6ed386671c0688ca188d179e493ab

Download Submit
C:\Windows\SysWOW64\240597000.txt
Filesize
899KB

MD5
e9ab60a7b40bf8f182f083df30bb5e4c

SHA1
587aa64195337502d16a30e35fb3e3c962eaca8c

SHA256
02dabcb83ae20a967062c32342c0c2650054b05953ab673c02b6a71e824b5282

SHA512
08ba1c194927957f933126e56bdf69d8b8131dbc038fd33d4380ae0ed8879f439387660d1b12555c192907767d825ed5268b73e2cd2d200cadcc000c8297452c

Download Submit
C:\Windows\SysWOW64\Remote Data.exe
Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/432-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/432-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/432-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2136-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2136-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2136-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3664-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3664-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3664-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3664-23-0x0000000010000000-0x00000000101B6000-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