gh0strat | 7f6fdc6ffdab93c788c5c035fcfc8d1d9ce390e9db7a56f20a4db71b015ebaa5

General

Target

7f6fdc6ffdab93c788c5c035fcfc8d1d9ce390e9db7a56f20a4db71b015ebaa5.exe
Size

2.7MB
MD5

f1d5b339a097e384d5955e471b579b0a
SHA1

2010fd57ce5831686f0a94228a868adddb4c3519
SHA256

7f6fdc6ffdab93c788c5c035fcfc8d1d9ce390e9db7a56f20a4db71b015ebaa5
SHA512

648b83b28f4087a1ca430b03052155a265d8fd6f878479ae7fa6012e9db9e816d33e6cc51db2b99d41f1183c83532c7eabbc9834dd97a0126cf72503928dba7e
SSDEEP

24576:ZCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nH7:ZCwsbCANnKXferL7Vwe/Gg0P+WhRW

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
behavioral1/memory/2992-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2992-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2556-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2556-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2556-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2556-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2556-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259397510.txt	family_gh0strat
behavioral1/memory/2992-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2992-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2556-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2556-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2556-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2556-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2556-43-0x0000000010000000-0x00000000101B6000-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\\259397510.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

2136 R.exe
2992 N.exe
2668 TXPlatfor.exe
2556 TXPlatfor.exe
2276 Remote Data.exe

pid	process
2136	R.exe
2992	N.exe
2668	TXPlatfor.exe
2556	TXPlatfor.exe
2276	Remote Data.exe

Loads dropped DLL 7 IoCs

Processes:

7f6fdc6ffdab93c788c5c035fcfc8d1d9ce390e9db7a56f20a4db71b015ebaa5.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exe

pid	process
2140	7f6fdc6ffdab93c788c5c035fcfc8d1d9ce390e9db7a56f20a4db71b015ebaa5.exe
2136	R.exe
2768	svchost.exe
2140	7f6fdc6ffdab93c788c5c035fcfc8d1d9ce390e9db7a56f20a4db71b015ebaa5.exe
2668	TXPlatfor.exe
2768	svchost.exe
2276	Remote Data.exe

UPX packed file 9 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/2992-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2992-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2992-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2556-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2556-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2556-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2556-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2556-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2556-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

R.exesvchost.exeN.exe

description	ioc	process
File created	C:\Windows\SysWOW64\259397510.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

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

2476 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

2556 TXPlatfor.exe

pid	process
2476	PING.EXE

pid	process
2556	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2992	N.exe
Token: SeLoadDriverPrivilege	2556	TXPlatfor.exe
Token: 33	2556	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2556	TXPlatfor.exe
Token: 33	2556	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2556	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

7f6fdc6ffdab93c788c5c035fcfc8d1d9ce390e9db7a56f20a4db71b015ebaa5.exe

pid	process
2140	7f6fdc6ffdab93c788c5c035fcfc8d1d9ce390e9db7a56f20a4db71b015ebaa5.exe
2140	7f6fdc6ffdab93c788c5c035fcfc8d1d9ce390e9db7a56f20a4db71b015ebaa5.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

7f6fdc6ffdab93c788c5c035fcfc8d1d9ce390e9db7a56f20a4db71b015ebaa5.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 2140 wrote to memory of 2136	2140	7f6fdc6ffdab93c788c5c035fcfc8d1d9ce390e9db7a56f20a4db71b015ebaa5.exe	R.exe
PID 2140 wrote to memory of 2136	2140	7f6fdc6ffdab93c788c5c035fcfc8d1d9ce390e9db7a56f20a4db71b015ebaa5.exe	R.exe
PID 2140 wrote to memory of 2136	2140	7f6fdc6ffdab93c788c5c035fcfc8d1d9ce390e9db7a56f20a4db71b015ebaa5.exe	R.exe
PID 2140 wrote to memory of 2136	2140	7f6fdc6ffdab93c788c5c035fcfc8d1d9ce390e9db7a56f20a4db71b015ebaa5.exe	R.exe
PID 2140 wrote to memory of 2992	2140	7f6fdc6ffdab93c788c5c035fcfc8d1d9ce390e9db7a56f20a4db71b015ebaa5.exe	N.exe
PID 2140 wrote to memory of 2992	2140	7f6fdc6ffdab93c788c5c035fcfc8d1d9ce390e9db7a56f20a4db71b015ebaa5.exe	N.exe
PID 2140 wrote to memory of 2992	2140	7f6fdc6ffdab93c788c5c035fcfc8d1d9ce390e9db7a56f20a4db71b015ebaa5.exe	N.exe
PID 2140 wrote to memory of 2992	2140	7f6fdc6ffdab93c788c5c035fcfc8d1d9ce390e9db7a56f20a4db71b015ebaa5.exe	N.exe
PID 2140 wrote to memory of 2992	2140	7f6fdc6ffdab93c788c5c035fcfc8d1d9ce390e9db7a56f20a4db71b015ebaa5.exe	N.exe
PID 2140 wrote to memory of 2992	2140	7f6fdc6ffdab93c788c5c035fcfc8d1d9ce390e9db7a56f20a4db71b015ebaa5.exe	N.exe
PID 2140 wrote to memory of 2992	2140	7f6fdc6ffdab93c788c5c035fcfc8d1d9ce390e9db7a56f20a4db71b015ebaa5.exe	N.exe
PID 2992 wrote to memory of 2592	2992	N.exe	cmd.exe
PID 2992 wrote to memory of 2592	2992	N.exe	cmd.exe
PID 2992 wrote to memory of 2592	2992	N.exe	cmd.exe
PID 2992 wrote to memory of 2592	2992	N.exe	cmd.exe
PID 2668 wrote to memory of 2556	2668	TXPlatfor.exe	TXPlatfor.exe
PID 2668 wrote to memory of 2556	2668	TXPlatfor.exe	TXPlatfor.exe
PID 2668 wrote to memory of 2556	2668	TXPlatfor.exe	TXPlatfor.exe
PID 2668 wrote to memory of 2556	2668	TXPlatfor.exe	TXPlatfor.exe
PID 2668 wrote to memory of 2556	2668	TXPlatfor.exe	TXPlatfor.exe
PID 2668 wrote to memory of 2556	2668	TXPlatfor.exe	TXPlatfor.exe
PID 2668 wrote to memory of 2556	2668	TXPlatfor.exe	TXPlatfor.exe
PID 2592 wrote to memory of 2476	2592	cmd.exe	PING.EXE
PID 2592 wrote to memory of 2476	2592	cmd.exe	PING.EXE
PID 2592 wrote to memory of 2476	2592	cmd.exe	PING.EXE
PID 2592 wrote to memory of 2476	2592	cmd.exe	PING.EXE
PID 2768 wrote to memory of 2276	2768	svchost.exe	Remote Data.exe
PID 2768 wrote to memory of 2276	2768	svchost.exe	Remote Data.exe
PID 2768 wrote to memory of 2276	2768	svchost.exe	Remote Data.exe
PID 2768 wrote to memory of 2276	2768	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\7f6fdc6ffdab93c788c5c035fcfc8d1d9ce390e9db7a56f20a4db71b015ebaa5.exe
"C:\Users\Admin\AppData\Local\Temp\7f6fdc6ffdab93c788c5c035fcfc8d1d9ce390e9db7a56f20a4db71b015ebaa5.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2140

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:2136

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:2992

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:2592

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2476

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2204

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:2768

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259397510.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2276

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2668

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:2556

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
2.7MB

MD5
f1d5b339a097e384d5955e471b579b0a

SHA1
2010fd57ce5831686f0a94228a868adddb4c3519

SHA256
7f6fdc6ffdab93c788c5c035fcfc8d1d9ce390e9db7a56f20a4db71b015ebaa5

SHA512
648b83b28f4087a1ca430b03052155a265d8fd6f878479ae7fa6012e9db9e816d33e6cc51db2b99d41f1183c83532c7eabbc9834dd97a0126cf72503928dba7e

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

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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\259397510.txt

Filesize
899KB

MD5
d98f361fe64493e76156da86937fc18c

SHA1
8e6b978a9f34ed2654f0f3c3246ab30dfd4e7f1b

SHA256
cb8eb11375359afafa4ffd05dbd2ef5b2dd42beeff53c8b5afd7ca2bfcd8210e

SHA512
996a62571cc97285418f0256b80e0218b4b025e9aa3cc25779462afd377687673209b0996a9fd8b52e3f9210d20011f5764b1253ef4de18744cb04ad593a98cb

Download Submit
memory/2556-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2556-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2556-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2556-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2556-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2556-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2992-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2992-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2992-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads