gh0strat | 355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b

General

Target

355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe
Size

3.6MB
MD5

c73ea6e67c19ddfb06bc9428b86c9b79
SHA1

854e463a862edff3bbd35c37ee96b411cdce7189
SHA256

355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b
SHA512

288f0d19a7938df4d9f44359af75db239e4e2f19e5136a89cb2c5b0a5b2ee9c0d50ef8bc2218d8855843025c3872cd8f8dc70908b669604a189a5386b4f2affc
SSDEEP

49152:ZCwsbCANnKXferL7Vwe/Gg0P+WhR2kIorv0sI+AiIZ:Uws2ANnKXOaeOgmhi8v038IZ

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/2720-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2720-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2720-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259401192.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/2720-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2720-46-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2720-49-0x0000000010000000-0x00000000101B6000-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\\259401192.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_355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exeRemote Data.exe

pid	process
2228	R.exe
3040	N.exe
2672	TXPlatfor.exe
2720	TXPlatfor.exe
2664	HD_355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe
3000	Remote Data.exe

Loads dropped DLL 8 IoCs

Processes:

355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exe

pid	process
3052	355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe
2228	R.exe
1272	svchost.exe
3052	355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe
2672	TXPlatfor.exe
3052	355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe
1272	svchost.exe
3000	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/2720-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2720-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2720-49-0x0000000010000000-0x00000000101B6000-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\259401192.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

2748 PING.EXE

pid	process
2748	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exeHD_355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe

pid	process
3052	355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe
2664	HD_355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

2720 TXPlatfor.exe

pid	process
2720	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3040	N.exe
Token: SeLoadDriverPrivilege	2720	TXPlatfor.exe
Token: 33	2720	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2720	TXPlatfor.exe
Token: 33	2720	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2720	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe

pid	process
3052	355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe
3052	355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 3052 wrote to memory of 2228	3052	355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe	R.exe
PID 3052 wrote to memory of 2228	3052	355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe	R.exe
PID 3052 wrote to memory of 2228	3052	355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe	R.exe
PID 3052 wrote to memory of 2228	3052	355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe	R.exe
PID 3052 wrote to memory of 3040	3052	355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe	N.exe
PID 3052 wrote to memory of 3040	3052	355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe	N.exe
PID 3052 wrote to memory of 3040	3052	355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe	N.exe
PID 3052 wrote to memory of 3040	3052	355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe	N.exe
PID 3052 wrote to memory of 3040	3052	355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe	N.exe
PID 3052 wrote to memory of 3040	3052	355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe	N.exe
PID 3052 wrote to memory of 3040	3052	355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe	N.exe
PID 3040 wrote to memory of 2788	3040	N.exe	cmd.exe
PID 3040 wrote to memory of 2788	3040	N.exe	cmd.exe
PID 3040 wrote to memory of 2788	3040	N.exe	cmd.exe
PID 3040 wrote to memory of 2788	3040	N.exe	cmd.exe
PID 2672 wrote to memory of 2720	2672	TXPlatfor.exe	TXPlatfor.exe
PID 2672 wrote to memory of 2720	2672	TXPlatfor.exe	TXPlatfor.exe
PID 2672 wrote to memory of 2720	2672	TXPlatfor.exe	TXPlatfor.exe
PID 2672 wrote to memory of 2720	2672	TXPlatfor.exe	TXPlatfor.exe
PID 2672 wrote to memory of 2720	2672	TXPlatfor.exe	TXPlatfor.exe
PID 2672 wrote to memory of 2720	2672	TXPlatfor.exe	TXPlatfor.exe
PID 2672 wrote to memory of 2720	2672	TXPlatfor.exe	TXPlatfor.exe
PID 3052 wrote to memory of 2664	3052	355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe	HD_355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe
PID 3052 wrote to memory of 2664	3052	355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe	HD_355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe
PID 3052 wrote to memory of 2664	3052	355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe	HD_355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe
PID 3052 wrote to memory of 2664	3052	355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe	HD_355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe
PID 2788 wrote to memory of 2748	2788	cmd.exe	PING.EXE
PID 2788 wrote to memory of 2748	2788	cmd.exe	PING.EXE
PID 2788 wrote to memory of 2748	2788	cmd.exe	PING.EXE
PID 2788 wrote to memory of 2748	2788	cmd.exe	PING.EXE
PID 1272 wrote to memory of 3000	1272	svchost.exe	Remote Data.exe
PID 1272 wrote to memory of 3000	1272	svchost.exe	Remote Data.exe
PID 1272 wrote to memory of 3000	1272	svchost.exe	Remote Data.exe
PID 1272 wrote to memory of 3000	1272	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe
"C:\Users\Admin\AppData\Local\Temp\355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3052

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:2228

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:2788

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2748

C:\Users\Admin\AppData\Local\Temp\HD_355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe
C:\Users\Admin\AppData\Local\Temp\HD_355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2664

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1544

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:1272

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259401192.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3000

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2672

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:2720

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

Replay Monitor

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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
\Users\Admin\AppData\Local\Temp\HD_355b800e3849b14d0788f45cd43efd5509a1dfb2069009142f7e93b3920fc75b.exe

Filesize
979KB

MD5
899e1d82b3c859b547f0c31d36732632

SHA1
5e07c070b39fc6eca0e0ed41b1c45ac7cd8b91fd

SHA256
32fd41fb481ea37623062a9cefbc13207ec474caeee7c3229b74b25f09eaf7b5

SHA512
44ee4562147c9fb426a09396c663e6b3eb8a3382fb417e2cdd5f8a1274478aa67a39b43150e8529472ce1f472502492e9e9155a73f7af19b9b2c209e3e76f3a1

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\259401192.txt

Filesize
899KB

MD5
e5d6bb9e52e7449d093e7bab62a1fcea

SHA1
a1da977fbd1053c8111d8845f7cad68362ae6894

SHA256
a2c70a8dc09a5d4055cb2395fcd45d9743e3e6408a24ee11ab5a363fc358441c

SHA512
ddc6c413d389750085f84c7aaf52ab18e752268299e36da0cfb8b77c30df157fddbc3c5bc238e5274f2e721c4a0d34c13ed6e4a21a7f840a83974b3cbd86ccd1

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2720-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2720-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2720-49-0x0000000010000000-0x00000000101B6000-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 Enterprise v15

Replay Monitor

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Downloads