gh0strat | 595c68a404bab03acba9470f2b375bb4e4004364f2ef2ce689b77b6d05b1e2ff

General

Target

NA_NA_NA_NA_c2aace88c6012dex_JC.exe
Size

1.5MB
MD5

c2aace88c6012dac34ba393323c7e9fe
SHA1

c7693c7bd19d4228e57823d70012cc389d5e3d6d
SHA256

595c68a404bab03acba9470f2b375bb4e4004364f2ef2ce689b77b6d05b1e2ff
SHA512

f1f58360e632890ce601a0dae117a50dd74672e3bb096b61e27d4811156b7b2c0706d7ff6757d3f4bcf3eff197def99c608e8efd95d66680d8e6418cdf445da5
SSDEEP

24576:r09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+/EB8SZodz:r09XJt4HIN2H2tFvduySpEpZs

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/2228-61-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2228-62-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2228-76-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2436-80-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2544-81-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2544-83-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2544-86-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2228-61-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2228-62-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2436-70-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2228-76-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2436-80-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2544-81-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2544-83-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2544-86-0x0000000010000000-0x00000000101B6000-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

2228 RVN.exe
2436 TXPlatforn.exe
2544 TXPlatforn.exe
Loads dropped DLL 2 IoCs

Processes:

NA_NA_NA_NA_c2aace88c6012dex_JC.exeTXPlatforn.exe

pid process

1180 NA_NA_NA_NA_c2aace88c6012dex_JC.exe
2436 TXPlatforn.exe

pid	process
2228	RVN.exe
2436	TXPlatforn.exe
2544	TXPlatforn.exe

pid	process
1180	NA_NA_NA_NA_c2aace88c6012dex_JC.exe
2436	TXPlatforn.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2228-58-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2228-61-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2228-62-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2436-70-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2228-76-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2436-80-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2544-81-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2544-83-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2544-86-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

Processes:

RVN.exe

description ioc process

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

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3028 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2544 TXPlatforn.exe

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

pid	process
3028	PING.EXE

pid	process
2544	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2228	RVN.exe
Token: SeLoadDriverPrivilege	2544	TXPlatforn.exe
Token: 33	2544	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2544	TXPlatforn.exe
Token: 33	2544	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2544	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

NA_NA_NA_NA_c2aace88c6012dex_JC.exe

pid process

1180 NA_NA_NA_NA_c2aace88c6012dex_JC.exe
1180 NA_NA_NA_NA_c2aace88c6012dex_JC.exe

pid	process
1180	NA_NA_NA_NA_c2aace88c6012dex_JC.exe
1180	NA_NA_NA_NA_c2aace88c6012dex_JC.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

NA_NA_NA_NA_c2aace88c6012dex_JC.exeRVN.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 1180 wrote to memory of 2228	1180	NA_NA_NA_NA_c2aace88c6012dex_JC.exe	RVN.exe
PID 1180 wrote to memory of 2228	1180	NA_NA_NA_NA_c2aace88c6012dex_JC.exe	RVN.exe
PID 1180 wrote to memory of 2228	1180	NA_NA_NA_NA_c2aace88c6012dex_JC.exe	RVN.exe
PID 1180 wrote to memory of 2228	1180	NA_NA_NA_NA_c2aace88c6012dex_JC.exe	RVN.exe
PID 1180 wrote to memory of 2228	1180	NA_NA_NA_NA_c2aace88c6012dex_JC.exe	RVN.exe
PID 1180 wrote to memory of 2228	1180	NA_NA_NA_NA_c2aace88c6012dex_JC.exe	RVN.exe
PID 1180 wrote to memory of 2228	1180	NA_NA_NA_NA_c2aace88c6012dex_JC.exe	RVN.exe
PID 2228 wrote to memory of 2344	2228	RVN.exe	cmd.exe
PID 2228 wrote to memory of 2344	2228	RVN.exe	cmd.exe
PID 2228 wrote to memory of 2344	2228	RVN.exe	cmd.exe
PID 2228 wrote to memory of 2344	2228	RVN.exe	cmd.exe
PID 2436 wrote to memory of 2544	2436	TXPlatforn.exe	TXPlatforn.exe
PID 2436 wrote to memory of 2544	2436	TXPlatforn.exe	TXPlatforn.exe
PID 2436 wrote to memory of 2544	2436	TXPlatforn.exe	TXPlatforn.exe
PID 2436 wrote to memory of 2544	2436	TXPlatforn.exe	TXPlatforn.exe
PID 2436 wrote to memory of 2544	2436	TXPlatforn.exe	TXPlatforn.exe
PID 2436 wrote to memory of 2544	2436	TXPlatforn.exe	TXPlatforn.exe
PID 2436 wrote to memory of 2544	2436	TXPlatforn.exe	TXPlatforn.exe
PID 2344 wrote to memory of 3028	2344	cmd.exe	PING.EXE
PID 2344 wrote to memory of 3028	2344	cmd.exe	PING.EXE
PID 2344 wrote to memory of 3028	2344	cmd.exe	PING.EXE
PID 2344 wrote to memory of 3028	2344	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\NA_NA_NA_NA_c2aace88c6012dex_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NA_NA_NA_NA_c2aace88c6012dex_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1180

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:2228

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:2344

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:3028

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2436

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:2544

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

Loading Replay Monitor...

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
\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/2228-76-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2228-58-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2228-61-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2228-62-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2436-70-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2436-80-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2544-81-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2544-83-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2544-86-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads