gh0strat | 85672ef6cc3f1044236832a482ae6aef4a2d66824ce3a48d11c4d08d388b1cef

General

Target

85672ef6cc3f1044236832a482ae6aef4a2d66824ce3a48d11c4d08d388b1cef.exe
Size

2.3MB
MD5

c3914eef7298570f8662f533e48e099d
SHA1

69d5c81e849dc676c73ba1039e24d2eb4b686d21
SHA256

85672ef6cc3f1044236832a482ae6aef4a2d66824ce3a48d11c4d08d388b1cef
SHA512

fc222750908633410b2403a471672007934c77f922955a7fc2dd9606a655ee985d9a559dfced2265f73ed19a9556290ac6333300b24d5c831cae74c14b464be6
SSDEEP

49152:fCwsbCANnKXferL7Vwe/Gg0P+WhMRRRRRRRR9:Kws2ANnKXOaeOgmhMRRRRRRRR9

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/2148-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2148-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2600-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2600-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2600-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259394406.txt	family_gh0strat
behavioral1/memory/2148-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2148-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2600-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2600-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2600-43-0x0000000010000000-0x00000000101B6000-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\\259394406.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

2960 R.exe
2148 N.exe
2708 TXPlatfor.exe
2600 TXPlatfor.exe
2596 Remote Data.exe

pid	process
2960	R.exe
2148	N.exe
2708	TXPlatfor.exe
2600	TXPlatfor.exe
2596	Remote Data.exe

Loads dropped DLL 7 IoCs

Processes:

85672ef6cc3f1044236832a482ae6aef4a2d66824ce3a48d11c4d08d388b1cef.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exe

pid	process
2884	85672ef6cc3f1044236832a482ae6aef4a2d66824ce3a48d11c4d08d388b1cef.exe
2960	R.exe
2824	svchost.exe
2884	85672ef6cc3f1044236832a482ae6aef4a2d66824ce3a48d11c4d08d388b1cef.exe
2708	TXPlatfor.exe
2824	svchost.exe
2596	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/2148-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2148-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2148-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2600-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2600-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2600-43-0x0000000010000000-0x00000000101B6000-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\259394406.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

1624 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

2600 TXPlatfor.exe

pid	process
1624	PING.EXE

pid	process
2600	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2148	N.exe
Token: SeLoadDriverPrivilege	2600	TXPlatfor.exe
Token: 33	2600	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2600	TXPlatfor.exe
Token: 33	2600	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2600	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

85672ef6cc3f1044236832a482ae6aef4a2d66824ce3a48d11c4d08d388b1cef.exe

pid	process
2884	85672ef6cc3f1044236832a482ae6aef4a2d66824ce3a48d11c4d08d388b1cef.exe
2884	85672ef6cc3f1044236832a482ae6aef4a2d66824ce3a48d11c4d08d388b1cef.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

85672ef6cc3f1044236832a482ae6aef4a2d66824ce3a48d11c4d08d388b1cef.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 2884 wrote to memory of 2960	2884	85672ef6cc3f1044236832a482ae6aef4a2d66824ce3a48d11c4d08d388b1cef.exe	R.exe
PID 2884 wrote to memory of 2960	2884	85672ef6cc3f1044236832a482ae6aef4a2d66824ce3a48d11c4d08d388b1cef.exe	R.exe
PID 2884 wrote to memory of 2960	2884	85672ef6cc3f1044236832a482ae6aef4a2d66824ce3a48d11c4d08d388b1cef.exe	R.exe
PID 2884 wrote to memory of 2960	2884	85672ef6cc3f1044236832a482ae6aef4a2d66824ce3a48d11c4d08d388b1cef.exe	R.exe
PID 2884 wrote to memory of 2148	2884	85672ef6cc3f1044236832a482ae6aef4a2d66824ce3a48d11c4d08d388b1cef.exe	N.exe
PID 2884 wrote to memory of 2148	2884	85672ef6cc3f1044236832a482ae6aef4a2d66824ce3a48d11c4d08d388b1cef.exe	N.exe
PID 2884 wrote to memory of 2148	2884	85672ef6cc3f1044236832a482ae6aef4a2d66824ce3a48d11c4d08d388b1cef.exe	N.exe
PID 2884 wrote to memory of 2148	2884	85672ef6cc3f1044236832a482ae6aef4a2d66824ce3a48d11c4d08d388b1cef.exe	N.exe
PID 2884 wrote to memory of 2148	2884	85672ef6cc3f1044236832a482ae6aef4a2d66824ce3a48d11c4d08d388b1cef.exe	N.exe
PID 2884 wrote to memory of 2148	2884	85672ef6cc3f1044236832a482ae6aef4a2d66824ce3a48d11c4d08d388b1cef.exe	N.exe
PID 2884 wrote to memory of 2148	2884	85672ef6cc3f1044236832a482ae6aef4a2d66824ce3a48d11c4d08d388b1cef.exe	N.exe
PID 2148 wrote to memory of 2632	2148	N.exe	cmd.exe
PID 2148 wrote to memory of 2632	2148	N.exe	cmd.exe
PID 2148 wrote to memory of 2632	2148	N.exe	cmd.exe
PID 2148 wrote to memory of 2632	2148	N.exe	cmd.exe
PID 2708 wrote to memory of 2600	2708	TXPlatfor.exe	TXPlatfor.exe
PID 2708 wrote to memory of 2600	2708	TXPlatfor.exe	TXPlatfor.exe
PID 2708 wrote to memory of 2600	2708	TXPlatfor.exe	TXPlatfor.exe
PID 2708 wrote to memory of 2600	2708	TXPlatfor.exe	TXPlatfor.exe
PID 2708 wrote to memory of 2600	2708	TXPlatfor.exe	TXPlatfor.exe
PID 2708 wrote to memory of 2600	2708	TXPlatfor.exe	TXPlatfor.exe
PID 2708 wrote to memory of 2600	2708	TXPlatfor.exe	TXPlatfor.exe
PID 2632 wrote to memory of 1624	2632	cmd.exe	PING.EXE
PID 2632 wrote to memory of 1624	2632	cmd.exe	PING.EXE
PID 2632 wrote to memory of 1624	2632	cmd.exe	PING.EXE
PID 2632 wrote to memory of 1624	2632	cmd.exe	PING.EXE
PID 2824 wrote to memory of 2596	2824	svchost.exe	Remote Data.exe
PID 2824 wrote to memory of 2596	2824	svchost.exe	Remote Data.exe
PID 2824 wrote to memory of 2596	2824	svchost.exe	Remote Data.exe
PID 2824 wrote to memory of 2596	2824	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\85672ef6cc3f1044236832a482ae6aef4a2d66824ce3a48d11c4d08d388b1cef.exe
"C:\Users\Admin\AppData\Local\Temp\85672ef6cc3f1044236832a482ae6aef4a2d66824ce3a48d11c4d08d388b1cef.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2884

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:2960

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:2148

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:2632

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:1624

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2948

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:2824

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259394406.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2596

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2708

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:2600

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
2.3MB

MD5
c3914eef7298570f8662f533e48e099d

SHA1
69d5c81e849dc676c73ba1039e24d2eb4b686d21

SHA256
85672ef6cc3f1044236832a482ae6aef4a2d66824ce3a48d11c4d08d388b1cef

SHA512
fc222750908633410b2403a471672007934c77f922955a7fc2dd9606a655ee985d9a559dfced2265f73ed19a9556290ac6333300b24d5c831cae74c14b464be6

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\259394406.txt
Filesize
899KB

MD5
ac560d725f8127f9e2c84e6a7951fd7a

SHA1
7ac04878db12638b821f1ed285c86c201602b39c

SHA256
ace11e31aef46ccf5beaef257825915b3794ebd8bec73f2ba8d608a84225c359

SHA512
448189d2d209a7672620b7be56b8e00a876f11c42271bb9c171bac2f94686f90121c2cac98cdf6a1e2d3dc8ed0bf5d09d69b4232ad0c31a3dce9e9c31d4933ae

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

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2148-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2148-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2148-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2600-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2600-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2600-43-0x0000000010000000-0x00000000101B6000-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