gh0strat | bf229b979639c1f533eb22a4864e2c83f142029ad0795084260b9dd184bae7ad

General

Target

NA_NA_3114f34af8fa46exeexe_JC.exe
Size

2.3MB
MD5

3114f34af8fa46a5c4fdd95e5f860c42
SHA1

a98b5e98f55075d048c2ed2f4fc0e4032e55d757
SHA256

bf229b979639c1f533eb22a4864e2c83f142029ad0795084260b9dd184bae7ad
SHA512

e9cd223ca7e62e332a850c6fc8ab878afcd8c9567a624f5e54690ffb7ec081e1767d824c1ced69b9de9b3bb003cbb2a98f334fb3300677043bbb936ccc0a41df
SSDEEP

49152:h09XJt4HIN2H2tFvduySAEjZeohZj8do3gMxpkkk6GC:CZJt4HINy2LkAiZLhZAdYNxCkrG

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/2196-63-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2196-62-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2196-75-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2356-79-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2796-82-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2796-84-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2796-87-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2196-63-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2196-62-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2356-71-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2196-75-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2356-79-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2796-82-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2796-84-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2796-87-0x0000000010000000-0x00000000101B6000-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:

TXPlatforn.exe

description ioc process

File created C:\Windows\system32\drivers\QAssist.sys TXPlatforn.exe

description	ioc	process
File created	C:\Windows\system32\drivers\QAssist.sys	TXPlatforn.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

TXPlatforn.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatforn.exe

Executes dropped EXE 3 IoCs

Processes:

RVN.exeTXPlatforn.exeTXPlatforn.exe

pid process

2196 RVN.exe
2356 TXPlatforn.exe
2796 TXPlatforn.exe
Loads dropped DLL 2 IoCs

Processes:

NA_NA_3114f34af8fa46exeexe_JC.exeTXPlatforn.exe

pid process

2604 NA_NA_3114f34af8fa46exeexe_JC.exe
2356 TXPlatforn.exe

pid	process
2196	RVN.exe
2356	TXPlatforn.exe
2796	TXPlatforn.exe

pid	process
2604	NA_NA_3114f34af8fa46exeexe_JC.exe
2356	TXPlatforn.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2196-59-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2196-63-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2196-62-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2356-71-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2196-75-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2356-79-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2796-82-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2796-84-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2796-87-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

Processes:

RVN.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe
File created C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1984 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2796 TXPlatforn.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe
File created	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe

pid	process
1984	PING.EXE

pid	process
2796	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2196	RVN.exe
Token: SeLoadDriverPrivilege	2796	TXPlatforn.exe
Token: 33	2796	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2796	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

NA_NA_3114f34af8fa46exeexe_JC.exe

pid process

2604 NA_NA_3114f34af8fa46exeexe_JC.exe
2604 NA_NA_3114f34af8fa46exeexe_JC.exe

pid	process
2604	NA_NA_3114f34af8fa46exeexe_JC.exe
2604	NA_NA_3114f34af8fa46exeexe_JC.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

NA_NA_3114f34af8fa46exeexe_JC.exeRVN.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 2604 wrote to memory of 2196	2604	NA_NA_3114f34af8fa46exeexe_JC.exe	RVN.exe
PID 2604 wrote to memory of 2196	2604	NA_NA_3114f34af8fa46exeexe_JC.exe	RVN.exe
PID 2604 wrote to memory of 2196	2604	NA_NA_3114f34af8fa46exeexe_JC.exe	RVN.exe
PID 2604 wrote to memory of 2196	2604	NA_NA_3114f34af8fa46exeexe_JC.exe	RVN.exe
PID 2604 wrote to memory of 2196	2604	NA_NA_3114f34af8fa46exeexe_JC.exe	RVN.exe
PID 2604 wrote to memory of 2196	2604	NA_NA_3114f34af8fa46exeexe_JC.exe	RVN.exe
PID 2604 wrote to memory of 2196	2604	NA_NA_3114f34af8fa46exeexe_JC.exe	RVN.exe
PID 2196 wrote to memory of 2992	2196	RVN.exe	cmd.exe
PID 2196 wrote to memory of 2992	2196	RVN.exe	cmd.exe
PID 2196 wrote to memory of 2992	2196	RVN.exe	cmd.exe
PID 2196 wrote to memory of 2992	2196	RVN.exe	cmd.exe
PID 2356 wrote to memory of 2796	2356	TXPlatforn.exe	TXPlatforn.exe
PID 2356 wrote to memory of 2796	2356	TXPlatforn.exe	TXPlatforn.exe
PID 2356 wrote to memory of 2796	2356	TXPlatforn.exe	TXPlatforn.exe
PID 2356 wrote to memory of 2796	2356	TXPlatforn.exe	TXPlatforn.exe
PID 2356 wrote to memory of 2796	2356	TXPlatforn.exe	TXPlatforn.exe
PID 2356 wrote to memory of 2796	2356	TXPlatforn.exe	TXPlatforn.exe
PID 2356 wrote to memory of 2796	2356	TXPlatforn.exe	TXPlatforn.exe
PID 2992 wrote to memory of 1984	2992	cmd.exe	PING.EXE
PID 2992 wrote to memory of 1984	2992	cmd.exe	PING.EXE
PID 2992 wrote to memory of 1984	2992	cmd.exe	PING.EXE
PID 2992 wrote to memory of 1984	2992	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\NA_NA_3114f34af8fa46exeexe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NA_NA_3114f34af8fa46exeexe_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2604

C:\Users\Admin\AppData\Local\Temp\RVN.exe
C:\Users\Admin\AppData\Local\Temp\\RVN.exe
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2196

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\RVN.exe > nul
3⤵
- Suspicious use of WriteProcessMemory
PID:2992

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:1984

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2356

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.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:2796

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RVN.exe
Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
C:\Users\Admin\AppData\Local\Temp\RVN.exe
Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
C:\Windows\SysWOW64\TXPlatforn.exe
Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
C:\Windows\SysWOW64\TXPlatforn.exe
Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
C:\Windows\SysWOW64\TXPlatforn.exe
Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
C:\Windows\SysWOW64\TXPlatforn.exe
Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
\Users\Admin\AppData\Local\Temp\RVN.exe
Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
\Windows\SysWOW64\TXPlatforn.exe
Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/2196-62-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2196-63-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2196-75-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2196-59-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2356-71-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2356-79-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2796-82-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2796-84-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2796-87-0x0000000010000000-0x00000000101B6000-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