gh0strat | 5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07

General

Target

5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe
Size

2.6MB
MD5

af7bdb3fbb60058d6d0bef7b1d5af275
SHA1

d0226b504bb9c6273510b6812626b3466a9c971c
SHA256

5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07
SHA512

18f307d12f11c895ecea15d01c3c77d00fad7d4d4a9fcca740e1c5dece4e343e2a6b5e229d91b9b3e38ec61f3264ce80b291cc0e1b521405e40f06c01bb9e451
SSDEEP

49152:yCwsbCANnKXferL7Vwe/Gg0P+WhbLTwM6mn2e:Vws2ANnKXOaeOgmhPTwM6mn2e

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/3036-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3036-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2080-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2080-51-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2080-54-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259395264.txt	family_gh0strat
behavioral1/memory/3036-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3036-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2080-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2080-51-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2080-54-0x0000000010000000-0x00000000101B6000-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\\259395264.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_5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exeRemote Data.exe

pid	process
1296	R.exe
3036	N.exe
2608	TXPlatfor.exe
2080	TXPlatfor.exe
2680	HD_5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe
2940	Remote Data.exe

Loads dropped DLL 10 IoCs

Processes:

5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exe

pid	process
2976	5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe
1296	R.exe
2640	svchost.exe
2976	5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe
2608	TXPlatfor.exe
2976	5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe
2976	5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe
2568
2640	svchost.exe
2940	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/3036-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3036-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3036-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2080-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2080-51-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2080-54-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

R.exesvchost.exeN.exe

description	ioc	process
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
File created	C:\Windows\SysWOW64\259395264.txt	R.exe

Drops file in Windows directory 2 IoCs

Processes:

HD_5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe

description	ioc	process
File created	C:\Windows\INF\oem0.PNF	HD_5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe
File created	C:\Windows\INF\oem1.PNF	HD_5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2520 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe

pid process

2976 5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

2080 TXPlatfor.exe

pid	process
2520	PING.EXE

pid	process
2080	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 13 IoCs

Processes:

N.exeHD_5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3036	N.exe
Token: SeRestorePrivilege	2680	HD_5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe
Token: SeRestorePrivilege	2680	HD_5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe
Token: SeRestorePrivilege	2680	HD_5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe
Token: SeRestorePrivilege	2680	HD_5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe
Token: SeRestorePrivilege	2680	HD_5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe
Token: SeRestorePrivilege	2680	HD_5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe
Token: SeRestorePrivilege	2680	HD_5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe
Token: SeLoadDriverPrivilege	2080	TXPlatfor.exe
Token: 33	2080	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2080	TXPlatfor.exe
Token: 33	2080	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2080	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe

pid	process
2976	5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe
2976	5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 2976 wrote to memory of 1296	2976	5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe	R.exe
PID 2976 wrote to memory of 1296	2976	5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe	R.exe
PID 2976 wrote to memory of 1296	2976	5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe	R.exe
PID 2976 wrote to memory of 1296	2976	5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe	R.exe
PID 2976 wrote to memory of 3036	2976	5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe	N.exe
PID 2976 wrote to memory of 3036	2976	5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe	N.exe
PID 2976 wrote to memory of 3036	2976	5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe	N.exe
PID 2976 wrote to memory of 3036	2976	5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe	N.exe
PID 2976 wrote to memory of 3036	2976	5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe	N.exe
PID 2976 wrote to memory of 3036	2976	5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe	N.exe
PID 2976 wrote to memory of 3036	2976	5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe	N.exe
PID 3036 wrote to memory of 2720	3036	N.exe	cmd.exe
PID 3036 wrote to memory of 2720	3036	N.exe	cmd.exe
PID 3036 wrote to memory of 2720	3036	N.exe	cmd.exe
PID 3036 wrote to memory of 2720	3036	N.exe	cmd.exe
PID 2608 wrote to memory of 2080	2608	TXPlatfor.exe	TXPlatfor.exe
PID 2608 wrote to memory of 2080	2608	TXPlatfor.exe	TXPlatfor.exe
PID 2608 wrote to memory of 2080	2608	TXPlatfor.exe	TXPlatfor.exe
PID 2608 wrote to memory of 2080	2608	TXPlatfor.exe	TXPlatfor.exe
PID 2608 wrote to memory of 2080	2608	TXPlatfor.exe	TXPlatfor.exe
PID 2608 wrote to memory of 2080	2608	TXPlatfor.exe	TXPlatfor.exe
PID 2608 wrote to memory of 2080	2608	TXPlatfor.exe	TXPlatfor.exe
PID 2976 wrote to memory of 2680	2976	5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe	HD_5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe
PID 2976 wrote to memory of 2680	2976	5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe	HD_5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe
PID 2976 wrote to memory of 2680	2976	5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe	HD_5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe
PID 2976 wrote to memory of 2680	2976	5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe	HD_5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe
PID 2720 wrote to memory of 2520	2720	cmd.exe	PING.EXE
PID 2720 wrote to memory of 2520	2720	cmd.exe	PING.EXE
PID 2720 wrote to memory of 2520	2720	cmd.exe	PING.EXE
PID 2720 wrote to memory of 2520	2720	cmd.exe	PING.EXE
PID 2640 wrote to memory of 2940	2640	svchost.exe	Remote Data.exe
PID 2640 wrote to memory of 2940	2640	svchost.exe	Remote Data.exe
PID 2640 wrote to memory of 2940	2640	svchost.exe	Remote Data.exe
PID 2640 wrote to memory of 2940	2640	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe
"C:\Users\Admin\AppData\Local\Temp\5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2976

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:1296

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:3036

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:2720

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2520

C:\Users\Admin\AppData\Local\Temp\HD_5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe
C:\Users\Admin\AppData\Local\Temp\HD_5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe
2⤵
- Executes dropped EXE
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2680

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1980

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:2640

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259395264.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2940

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2608

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:2080

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_5a5761b27b2ca4bae006bf19b69d615f5bee92482f755548f8f658e2176d5f07.exe

Filesize
35KB

MD5
fb72f887b43cd964e5921b85fa1195d9

SHA1
0f727cf5f36559d28cb7be3e9bc976386e6732af

SHA256
52a29c09ebf2fcdb7b9b326bd606ee48ac74fcf33dc0acacfdf40d8d63f6280d

SHA512
3a5ce0e0ef7f3bcfbbb7b38ca33446fb53cf56fb3a6bbb53e1c6ec3e9bbb8bb9e5de5dd47563720b317c21d248972a2009d05ffb468197e7e610a72f42aab9a0

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
2.6MB

MD5
25411e8ec8c4480ab0c70c4b3e655e19

SHA1
899f104a98634d92b84ae9c9e1c96490268fbb84

SHA256
1a76391fc586fa9fb7466802dfaee2ecc19b9602b7d6e80b2c043e7d51e7a33d

SHA512
5cd2704436b0ddfa2e55dac9dde7438148513a2b65e8382458fb00e38ad7671754a97b431d848aff617f3c44e17c064de34c0a861a155d3b3c83335f5da0f153

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\259395264.txt

Filesize
899KB

MD5
3529751feea1f66f411703714d7cfa81

SHA1
6ae3481d73b54c3b3f4feaa183a0e4fe56bbddcc

SHA256
dfb67032993473cbb91d87a6b9688f2f867ae388674b97fb7dc3cfe46fbedb3a

SHA512
62ba54b972c787f11f984af30c41555f246918e51907db3de46b7f1e60f4a8ead57b72175abba6a10dd16a194305aebdd0d9532280fed7161ed0dc85dadf4133

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2080-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2080-51-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2080-54-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3036-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3036-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3036-20-0x0000000010000000-0x00000000101B6000-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