gh0strat | ebb75e2f0daca544e53e8f0aefd8f78292c4486373544283bfdec887090f20ae

General

Target

ebb75e2f0daca544e53e8f0aefd8f78292c4486373544283bfdec887090f20ae.exe
Size

1.2MB
MD5

21ded3cfe90fc99e9c6dd7434795498f
SHA1

f7e3617d17f3a51af62e955b87948490ed642836
SHA256

ebb75e2f0daca544e53e8f0aefd8f78292c4486373544283bfdec887090f20ae
SHA512

192c859ab0f47478d9e2899c46f39bd30ccf12bf35333f45ac843908d522f957deaa9f500bb66a85e9d3496a9356368370e7db06261f99862e8634388f2ac855
SSDEEP

24576:s09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+QR4GLV:s09XJt4HIN2H2tFvduySSP

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/4984-11-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4984-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4984-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4300-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4300-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4300-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4300-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4164-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4164-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4164-72-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral2/memory/4984-11-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4984-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4984-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4300-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4300-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4300-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4300-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4164-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4164-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4164-72-0x0000000010000000-0x00000000101B6000-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
Gh0strat family
gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Purplefox family
purplefox

Drops file in Drivers directory 1 IoCs

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

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

Executes dropped EXE 3 IoCs

pid	Process
4984	RVN.exe
4300	TXPlatforn.exe
4164	TXPlatforn.exe

Drops file in System32 directory 2 IoCs

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

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4984-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4984-11-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4984-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4984-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4300-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4300-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4300-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4300-14-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4300-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4164-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4164-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4164-72-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	ebb75e2f0daca544e53e8f0aefd8f78292c4486373544283bfdec887090f20ae.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	ebb75e2f0daca544e53e8f0aefd8f78292c4486373544283bfdec887090f20ae.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	ebb75e2f0daca544e53e8f0aefd8f78292c4486373544283bfdec887090f20ae.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	ebb75e2f0daca544e53e8f0aefd8f78292c4486373544283bfdec887090f20ae.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	ebb75e2f0daca544e53e8f0aefd8f78292c4486373544283bfdec887090f20ae.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ebb75e2f0daca544e53e8f0aefd8f78292c4486373544283bfdec887090f20ae.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RVN.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2396	cmd.exe
60	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
60	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4164	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4984	RVN.exe
Token: SeLoadDriverPrivilege	4164	TXPlatforn.exe
Token: 33	4164	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4164	TXPlatforn.exe
Token: 33	4164	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4164	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3148	ebb75e2f0daca544e53e8f0aefd8f78292c4486373544283bfdec887090f20ae.exe
3148	ebb75e2f0daca544e53e8f0aefd8f78292c4486373544283bfdec887090f20ae.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3148 wrote to memory of 4984	3148	ebb75e2f0daca544e53e8f0aefd8f78292c4486373544283bfdec887090f20ae.exe	83
PID 3148 wrote to memory of 4984	3148	ebb75e2f0daca544e53e8f0aefd8f78292c4486373544283bfdec887090f20ae.exe	83
PID 3148 wrote to memory of 4984	3148	ebb75e2f0daca544e53e8f0aefd8f78292c4486373544283bfdec887090f20ae.exe	83
PID 4984 wrote to memory of 2396	4984	RVN.exe	85
PID 4984 wrote to memory of 2396	4984	RVN.exe	85
PID 4984 wrote to memory of 2396	4984	RVN.exe	85
PID 4300 wrote to memory of 4164	4300	TXPlatforn.exe	86
PID 4300 wrote to memory of 4164	4300	TXPlatforn.exe	86
PID 4300 wrote to memory of 4164	4300	TXPlatforn.exe	86
PID 2396 wrote to memory of 60	2396	cmd.exe	88
PID 2396 wrote to memory of 60	2396	cmd.exe	88
PID 2396 wrote to memory of 60	2396	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\ebb75e2f0daca544e53e8f0aefd8f78292c4486373544283bfdec887090f20ae.exe
"C:\Users\Admin\AppData\Local\Temp\ebb75e2f0daca544e53e8f0aefd8f78292c4486373544283bfdec887090f20ae.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3148
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4984
- - 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⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2396
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:60

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4300
- 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:4164

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1.2MB

MD5
21ded3cfe90fc99e9c6dd7434795498f

SHA1
f7e3617d17f3a51af62e955b87948490ed642836

SHA256
ebb75e2f0daca544e53e8f0aefd8f78292c4486373544283bfdec887090f20ae

SHA512
192c859ab0f47478d9e2899c46f39bd30ccf12bf35333f45ac843908d522f957deaa9f500bb66a85e9d3496a9356368370e7db06261f99862e8634388f2ac855

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/3148-0-0x0000000000400000-0x000000000054E000-memory.dmp

Filesize
1.3MB

Download
memory/3148-93-0x0000000000400000-0x000000000054E000-memory.dmp

Filesize
1.3MB

Download
memory/4164-72-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4164-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4164-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4300-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4300-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4300-14-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4300-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4300-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4984-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4984-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4984-11-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4984-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads