gh0strat | 133747546cbac2e190580e449fb47d916c9c3ee363f21d586d44ecd00d03b929

General

Target

133747546cbac2e190580e449fb47d916c9c3ee363f21d586d44ecd00d03b929.exe
Size

2.5MB
MD5

70baecebb121fd41f2dea3546bfd82ad
SHA1

a2e63feabcb6f5cf9e7d6b7c2fa9a78a1ad86e5d
SHA256

133747546cbac2e190580e449fb47d916c9c3ee363f21d586d44ecd00d03b929
SHA512

e0b9691c99099f36513ddd5fb84604303d0950eb8a6b9ee7360991e3b30682dad36e66ecb06058da20621ce6e0834c0f9b2f0fcd934fe5bbb57d140d5345b327
SSDEEP

49152:ACwsbCANnKXferL7Vwe/Gg0P+Wh8JWJJsxfP:Lws2ANnKXOaeOgmh8JWJJsxfP

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/2320-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2320-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2628-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2628-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2628-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259404624.txt	family_gh0strat
behavioral1/memory/2320-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2320-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2628-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2628-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2628-43-0x0000000010000000-0x00000000101B6000-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\\259404624.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

1236 R.exe
2320 N.exe
2820 TXPlatfor.exe
2628 TXPlatfor.exe
2632 Remote Data.exe

pid	process
1236	R.exe
2320	N.exe
2820	TXPlatfor.exe
2628	TXPlatfor.exe
2632	Remote Data.exe

Loads dropped DLL 7 IoCs

Processes:

133747546cbac2e190580e449fb47d916c9c3ee363f21d586d44ecd00d03b929.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exe

pid	process
2024	133747546cbac2e190580e449fb47d916c9c3ee363f21d586d44ecd00d03b929.exe
1236	R.exe
2128	svchost.exe
2024	133747546cbac2e190580e449fb47d916c9c3ee363f21d586d44ecd00d03b929.exe
2820	TXPlatfor.exe
2128	svchost.exe
2632	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/2320-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2320-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2320-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2628-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2628-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2628-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

svchost.exeN.exeR.exe

description	ioc	process
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\259404624.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2536 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

2628 TXPlatfor.exe

pid	process
2536	PING.EXE

pid	process
2628	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2320	N.exe
Token: SeLoadDriverPrivilege	2628	TXPlatfor.exe
Token: 33	2628	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2628	TXPlatfor.exe
Token: 33	2628	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2628	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

133747546cbac2e190580e449fb47d916c9c3ee363f21d586d44ecd00d03b929.exe

pid	process
2024	133747546cbac2e190580e449fb47d916c9c3ee363f21d586d44ecd00d03b929.exe
2024	133747546cbac2e190580e449fb47d916c9c3ee363f21d586d44ecd00d03b929.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

133747546cbac2e190580e449fb47d916c9c3ee363f21d586d44ecd00d03b929.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 2024 wrote to memory of 1236	2024	133747546cbac2e190580e449fb47d916c9c3ee363f21d586d44ecd00d03b929.exe	R.exe
PID 2024 wrote to memory of 1236	2024	133747546cbac2e190580e449fb47d916c9c3ee363f21d586d44ecd00d03b929.exe	R.exe
PID 2024 wrote to memory of 1236	2024	133747546cbac2e190580e449fb47d916c9c3ee363f21d586d44ecd00d03b929.exe	R.exe
PID 2024 wrote to memory of 1236	2024	133747546cbac2e190580e449fb47d916c9c3ee363f21d586d44ecd00d03b929.exe	R.exe
PID 2024 wrote to memory of 2320	2024	133747546cbac2e190580e449fb47d916c9c3ee363f21d586d44ecd00d03b929.exe	N.exe
PID 2024 wrote to memory of 2320	2024	133747546cbac2e190580e449fb47d916c9c3ee363f21d586d44ecd00d03b929.exe	N.exe
PID 2024 wrote to memory of 2320	2024	133747546cbac2e190580e449fb47d916c9c3ee363f21d586d44ecd00d03b929.exe	N.exe
PID 2024 wrote to memory of 2320	2024	133747546cbac2e190580e449fb47d916c9c3ee363f21d586d44ecd00d03b929.exe	N.exe
PID 2024 wrote to memory of 2320	2024	133747546cbac2e190580e449fb47d916c9c3ee363f21d586d44ecd00d03b929.exe	N.exe
PID 2024 wrote to memory of 2320	2024	133747546cbac2e190580e449fb47d916c9c3ee363f21d586d44ecd00d03b929.exe	N.exe
PID 2024 wrote to memory of 2320	2024	133747546cbac2e190580e449fb47d916c9c3ee363f21d586d44ecd00d03b929.exe	N.exe
PID 2320 wrote to memory of 2636	2320	N.exe	cmd.exe
PID 2320 wrote to memory of 2636	2320	N.exe	cmd.exe
PID 2320 wrote to memory of 2636	2320	N.exe	cmd.exe
PID 2320 wrote to memory of 2636	2320	N.exe	cmd.exe
PID 2820 wrote to memory of 2628	2820	TXPlatfor.exe	TXPlatfor.exe
PID 2820 wrote to memory of 2628	2820	TXPlatfor.exe	TXPlatfor.exe
PID 2820 wrote to memory of 2628	2820	TXPlatfor.exe	TXPlatfor.exe
PID 2820 wrote to memory of 2628	2820	TXPlatfor.exe	TXPlatfor.exe
PID 2820 wrote to memory of 2628	2820	TXPlatfor.exe	TXPlatfor.exe
PID 2820 wrote to memory of 2628	2820	TXPlatfor.exe	TXPlatfor.exe
PID 2820 wrote to memory of 2628	2820	TXPlatfor.exe	TXPlatfor.exe
PID 2636 wrote to memory of 2536	2636	cmd.exe	PING.EXE
PID 2636 wrote to memory of 2536	2636	cmd.exe	PING.EXE
PID 2636 wrote to memory of 2536	2636	cmd.exe	PING.EXE
PID 2636 wrote to memory of 2536	2636	cmd.exe	PING.EXE
PID 2128 wrote to memory of 2632	2128	svchost.exe	Remote Data.exe
PID 2128 wrote to memory of 2632	2128	svchost.exe	Remote Data.exe
PID 2128 wrote to memory of 2632	2128	svchost.exe	Remote Data.exe
PID 2128 wrote to memory of 2632	2128	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\133747546cbac2e190580e449fb47d916c9c3ee363f21d586d44ecd00d03b929.exe
"C:\Users\Admin\AppData\Local\Temp\133747546cbac2e190580e449fb47d916c9c3ee363f21d586d44ecd00d03b929.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2024

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:1236

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:2320

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:2636

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2536

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1864

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:2128

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259404624.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2632

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2820

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:2628

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

Loading Replay Monitor...

Downloads

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

Filesize
2.5MB

MD5
70baecebb121fd41f2dea3546bfd82ad

SHA1
a2e63feabcb6f5cf9e7d6b7c2fa9a78a1ad86e5d

SHA256
133747546cbac2e190580e449fb47d916c9c3ee363f21d586d44ecd00d03b929

SHA512
e0b9691c99099f36513ddd5fb84604303d0950eb8a6b9ee7360991e3b30682dad36e66ecb06058da20621ce6e0834c0f9b2f0fcd934fe5bbb57d140d5345b327

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\259404624.txt

Filesize
899KB

MD5
be42377d8df01f31402f6f5ca9fd0df9

SHA1
63943bec822caee8334d3c9c9ec6dd10e9b8fdd6

SHA256
b96a69b064a50c991fea9f7b67b3b1f08c5df1d754e7a7d06342cb210e32a904

SHA512
c95e34b08418c8f6343c12914e0bd683a609d411f15dccd56da6db58eb4b6d8c33fbf510c867e38f070db51375c6ff557a6babded408f51e50bc107115cc0481

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2320-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2320-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2320-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2628-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2628-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2628-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads