gh0strat | f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e

General

Target

f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe
Size

2.6MB
MD5

0bcbfed5e916e16472ec1d76c8ff0af1
SHA1

88c51351365647b992f535bd3aba4b65c4b439aa
SHA256

f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e
SHA512

44c3e3793c14f36d38dac7ed968ac4bd2373afe568a2ef93adcfe671294600a831e7b945fe0993253db14aba7233cb874717ae832f6dfae279e058d8f1141c58
SSDEEP

24576:7CwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHG:7CwsbCANnKXferL7Vwe/Gg0P+WhN6o

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/2516-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2516-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2516-22-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5088-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5088-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3060-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3060-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240597656.txt	family_gh0strat
behavioral2/memory/2516-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2516-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2516-22-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5088-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5088-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3060-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3060-45-0x0000000010000000-0x00000000101B6000-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\\240597656.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_f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exeRemote Data.exe

pid	process
4796	R.exe
2516	N.exe
5088	TXPlatfor.exe
3060	TXPlatfor.exe
1896	HD_f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe
1464	Remote Data.exe

Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

4796 R.exe
2000 svchost.exe
1464 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/2516-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2516-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2516-22-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2516-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5088-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5088-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5088-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3060-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3060-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

R.exeN.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.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\Remote Data.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File created	C:\Windows\SysWOW64\240597656.txt	R.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1592 PING.EXE

pid	process
1592	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe

pid	process
2736	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe
2736	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

3060 TXPlatfor.exe

pid	process
3060	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2516	N.exe
Token: SeLoadDriverPrivilege	3060	TXPlatfor.exe
Token: 33	3060	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3060	TXPlatfor.exe
Token: 33	3060	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3060	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe

pid	process
2736	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe
2736	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 2736 wrote to memory of 4796	2736	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe	R.exe
PID 2736 wrote to memory of 4796	2736	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe	R.exe
PID 2736 wrote to memory of 4796	2736	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe	R.exe
PID 2736 wrote to memory of 2516	2736	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe	N.exe
PID 2736 wrote to memory of 2516	2736	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe	N.exe
PID 2736 wrote to memory of 2516	2736	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe	N.exe
PID 2516 wrote to memory of 4584	2516	N.exe	cmd.exe
PID 2516 wrote to memory of 4584	2516	N.exe	cmd.exe
PID 2516 wrote to memory of 4584	2516	N.exe	cmd.exe
PID 5088 wrote to memory of 3060	5088	TXPlatfor.exe	TXPlatfor.exe
PID 5088 wrote to memory of 3060	5088	TXPlatfor.exe	TXPlatfor.exe
PID 5088 wrote to memory of 3060	5088	TXPlatfor.exe	TXPlatfor.exe
PID 2736 wrote to memory of 1896	2736	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe	HD_f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe
PID 2736 wrote to memory of 1896	2736	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe	HD_f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe
PID 2736 wrote to memory of 1896	2736	f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe	HD_f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe
PID 4584 wrote to memory of 1592	4584	cmd.exe	PING.EXE
PID 4584 wrote to memory of 1592	4584	cmd.exe	PING.EXE
PID 4584 wrote to memory of 1592	4584	cmd.exe	PING.EXE
PID 2000 wrote to memory of 1464	2000	svchost.exe	Remote Data.exe
PID 2000 wrote to memory of 1464	2000	svchost.exe	Remote Data.exe
PID 2000 wrote to memory of 1464	2000	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe
"C:\Users\Admin\AppData\Local\Temp\f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2736

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:4796

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:2516

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:4584

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:1592

C:\Users\Admin\AppData\Local\Temp\HD_f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe
C:\Users\Admin\AppData\Local\Temp\HD_f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe
2⤵
- Executes dropped EXE
PID:1896

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1492

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:2000

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240597656.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1464

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5088

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:3060

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
90ca69de544a798ba2a46c00ffddf780

SHA1
ab96138ebbfb76004f039e9f9501b74957974891

SHA256
a61d2e6c1d90cdc24791ba80e138a6570ac9c6a35339ac406d18e0f7f39b23e0

SHA512
b4d489166c3b40d67873551e8c24eefcb57e34071e399625fdcfd19a5a387221f5565a5cd738f59100560db82088a007264f486d801cf17692c5f12f2712f5b1

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_f5afd2c831af71edc0ba775a584e535230238191f5eff1dfaaeaa22caea1fc0e.exe
Filesize
144KB

MD5
dca79ea6410a5a1753e93668fb8f7201

SHA1
dc70a7c5448d16c4dfc5ee2ebcce39e3dd914177

SHA256
b32fe9fa4afbfcc19b77cba12d5733e40d16a6d5412a4e58ce948c3609b07988

SHA512
40782bcfba1683ce97eed0fb8aef4eaa6b2e727609606ae118bebe274632c9c13f8ac6db7dba22d3a0b111ec25cf75ee36afd2bb49631c95d017ff530b05ee93

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\240597656.txt
Filesize
899KB

MD5
019ed0e3eb9d7c52f6a058d7597f5e8f

SHA1
60e760b26b4c33cebb427a5f347bf00b3cd258a4

SHA256
c9d19de1aeb80c825b3bb38356b723841a06c62d65cb0a62e198b7aab94081d2

SHA512
9246e4e57bba11881acd03726e6fb71b72dace6ed5aad03972db383127505bc3aa63824b9f27db51cf27a830da2c15e383f853a72ea7333d1e78874898713989

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

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/2516-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2516-22-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2516-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2516-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3060-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3060-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5088-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5088-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5088-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads