gh0strat | c1bf6341798f89ed04635c6b8070356e86a06edae42c68f1146b276db4c32e6a

General

Target

c1bf6341798f89ed04635c6b8070356e86a06edae42c68f1146b276db4c32e6a.exe
Size

2.4MB
MD5

c5a902e36ebfb5971953d47b5c91f580
SHA1

7216e9d7a45005cc34bfc933d5483aed3f9700fd
SHA256

c1bf6341798f89ed04635c6b8070356e86a06edae42c68f1146b276db4c32e6a
SHA512

dd03953074f9a89428b04dd2bfac864ee3293616759ff5ce66375a2423f97df5d44ab0358492b9c47977dd53c58b80ae63ba1cc8e5e2dd4dd4a1ee2d002b9478
SSDEEP

24576:DCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nH3:DCwsbCANnKXferL7Vwe/Gg0P+Wh1Wx

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/2036-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2036-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2552-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2552-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2552-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259395748.txt	family_gh0strat
behavioral1/memory/2036-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2036-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2552-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2552-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2552-43-0x0000000010000000-0x00000000101B6000-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\\259395748.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

1648 R.exe
2036 N.exe
2956 TXPlatfor.exe
2552 TXPlatfor.exe
2432 Remote Data.exe

pid	process
1648	R.exe
2036	N.exe
2956	TXPlatfor.exe
2552	TXPlatfor.exe
2432	Remote Data.exe

Loads dropped DLL 7 IoCs

Processes:

c1bf6341798f89ed04635c6b8070356e86a06edae42c68f1146b276db4c32e6a.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exe

pid	process
2176	c1bf6341798f89ed04635c6b8070356e86a06edae42c68f1146b276db4c32e6a.exe
1648	R.exe
2960	svchost.exe
2176	c1bf6341798f89ed04635c6b8070356e86a06edae42c68f1146b276db4c32e6a.exe
2956	TXPlatfor.exe
2960	svchost.exe
2432	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/2036-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2036-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2036-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2552-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2552-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2552-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

R.exesvchost.exeN.exe

description	ioc	process
File created	C:\Windows\SysWOW64\259395748.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
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2516 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

2552 TXPlatfor.exe

pid	process
2516	PING.EXE

pid	process
2552	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2036	N.exe
Token: SeLoadDriverPrivilege	2552	TXPlatfor.exe
Token: 33	2552	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2552	TXPlatfor.exe
Token: 33	2552	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2552	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

c1bf6341798f89ed04635c6b8070356e86a06edae42c68f1146b276db4c32e6a.exe

pid	process
2176	c1bf6341798f89ed04635c6b8070356e86a06edae42c68f1146b276db4c32e6a.exe
2176	c1bf6341798f89ed04635c6b8070356e86a06edae42c68f1146b276db4c32e6a.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

c1bf6341798f89ed04635c6b8070356e86a06edae42c68f1146b276db4c32e6a.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 2176 wrote to memory of 1648	2176	c1bf6341798f89ed04635c6b8070356e86a06edae42c68f1146b276db4c32e6a.exe	R.exe
PID 2176 wrote to memory of 1648	2176	c1bf6341798f89ed04635c6b8070356e86a06edae42c68f1146b276db4c32e6a.exe	R.exe
PID 2176 wrote to memory of 1648	2176	c1bf6341798f89ed04635c6b8070356e86a06edae42c68f1146b276db4c32e6a.exe	R.exe
PID 2176 wrote to memory of 1648	2176	c1bf6341798f89ed04635c6b8070356e86a06edae42c68f1146b276db4c32e6a.exe	R.exe
PID 2176 wrote to memory of 2036	2176	c1bf6341798f89ed04635c6b8070356e86a06edae42c68f1146b276db4c32e6a.exe	N.exe
PID 2176 wrote to memory of 2036	2176	c1bf6341798f89ed04635c6b8070356e86a06edae42c68f1146b276db4c32e6a.exe	N.exe
PID 2176 wrote to memory of 2036	2176	c1bf6341798f89ed04635c6b8070356e86a06edae42c68f1146b276db4c32e6a.exe	N.exe
PID 2176 wrote to memory of 2036	2176	c1bf6341798f89ed04635c6b8070356e86a06edae42c68f1146b276db4c32e6a.exe	N.exe
PID 2176 wrote to memory of 2036	2176	c1bf6341798f89ed04635c6b8070356e86a06edae42c68f1146b276db4c32e6a.exe	N.exe
PID 2176 wrote to memory of 2036	2176	c1bf6341798f89ed04635c6b8070356e86a06edae42c68f1146b276db4c32e6a.exe	N.exe
PID 2176 wrote to memory of 2036	2176	c1bf6341798f89ed04635c6b8070356e86a06edae42c68f1146b276db4c32e6a.exe	N.exe
PID 2036 wrote to memory of 2612	2036	N.exe	cmd.exe
PID 2036 wrote to memory of 2612	2036	N.exe	cmd.exe
PID 2036 wrote to memory of 2612	2036	N.exe	cmd.exe
PID 2036 wrote to memory of 2612	2036	N.exe	cmd.exe
PID 2956 wrote to memory of 2552	2956	TXPlatfor.exe	TXPlatfor.exe
PID 2956 wrote to memory of 2552	2956	TXPlatfor.exe	TXPlatfor.exe
PID 2956 wrote to memory of 2552	2956	TXPlatfor.exe	TXPlatfor.exe
PID 2956 wrote to memory of 2552	2956	TXPlatfor.exe	TXPlatfor.exe
PID 2956 wrote to memory of 2552	2956	TXPlatfor.exe	TXPlatfor.exe
PID 2956 wrote to memory of 2552	2956	TXPlatfor.exe	TXPlatfor.exe
PID 2956 wrote to memory of 2552	2956	TXPlatfor.exe	TXPlatfor.exe
PID 2612 wrote to memory of 2516	2612	cmd.exe	PING.EXE
PID 2612 wrote to memory of 2516	2612	cmd.exe	PING.EXE
PID 2612 wrote to memory of 2516	2612	cmd.exe	PING.EXE
PID 2612 wrote to memory of 2516	2612	cmd.exe	PING.EXE
PID 2960 wrote to memory of 2432	2960	svchost.exe	Remote Data.exe
PID 2960 wrote to memory of 2432	2960	svchost.exe	Remote Data.exe
PID 2960 wrote to memory of 2432	2960	svchost.exe	Remote Data.exe
PID 2960 wrote to memory of 2432	2960	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\c1bf6341798f89ed04635c6b8070356e86a06edae42c68f1146b276db4c32e6a.exe
"C:\Users\Admin\AppData\Local\Temp\c1bf6341798f89ed04635c6b8070356e86a06edae42c68f1146b276db4c32e6a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2176

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:1648

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:2036

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:2612

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2516

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2144

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:2960

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259395748.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2432

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2956

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:2552

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
c5a902e36ebfb5971953d47b5c91f580

SHA1
7216e9d7a45005cc34bfc933d5483aed3f9700fd

SHA256
c1bf6341798f89ed04635c6b8070356e86a06edae42c68f1146b276db4c32e6a

SHA512
dd03953074f9a89428b04dd2bfac864ee3293616759ff5ce66375a2423f97df5d44ab0358492b9c47977dd53c58b80ae63ba1cc8e5e2dd4dd4a1ee2d002b9478

Download Submit
C:\Users\Admin\AppData\Local\Temp\R.exe
Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Users\Admin\AppData\Local\Temp\N.exe
Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
\Windows\SysWOW64\259395748.txt
Filesize
899KB

MD5
e75bb124ef5257edfb97db22e3c755f1

SHA1
af088aa07666c4ca7833556ceec9a845026b8e7a

SHA256
582ff49dd31b1a08a5d4e9d1593633108d7d33fa13b7c133954af6f3598c8953

SHA512
3c998a0dc2a6242f220f5cfc794ff854f9f09446741bb191211c6626a52fbbe984a6b5e943a12ef88952de4c0f935493190aa5ad553a4b2fc894b81a53e4e7fe

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

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2036-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2036-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2036-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2552-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2552-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2552-43-0x0000000010000000-0x00000000101B6000-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