gh0strat | 805517d3605028572a1ac4d7915608b062ab3440e5be25442af760f4d98cfdbd

General

Target

805517d3605028572a1ac4d7915608b062ab3440e5be25442af760f4d98cfdbd.exe
Size

1.4MB
MD5

5d18a03ded710da1a60a38d6547b546b
SHA1

6776c1bdff334a25f4053e4adeca5ed4271df860
SHA256

805517d3605028572a1ac4d7915608b062ab3440e5be25442af760f4d98cfdbd
SHA512

70cb9fddcbc3159d47c98fa08da0b806f003685886ff72f6ec21f1207483e3110ec165657e7fee249c04eee4442dd0ef03bee799f47db40e98217dbe41aa302c
SSDEEP

24576:309tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+zs0z:309XJt4HIN2H2tFvduySZrz

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2244-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2244-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2244-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2432-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2432-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1912-64-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1912-50-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1912-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1912-66-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/2244-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2244-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2244-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2432-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2432-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1912-64-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1912-50-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1912-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1912-66-0x0000000010000000-0x00000000101B6000-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

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
2244	RVN.exe
2432	TXPlatforn.exe
1912	TXPlatforn.exe

Loads dropped DLL 2 IoCs

pid	Process
1744	805517d3605028572a1ac4d7915608b062ab3440e5be25442af760f4d98cfdbd.exe
2432	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 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2244-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2244-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2244-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2244-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2432-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2432-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1912-64-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1912-50-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1912-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1912-66-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	805517d3605028572a1ac4d7915608b062ab3440e5be25442af760f4d98cfdbd.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	805517d3605028572a1ac4d7915608b062ab3440e5be25442af760f4d98cfdbd.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	805517d3605028572a1ac4d7915608b062ab3440e5be25442af760f4d98cfdbd.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	805517d3605028572a1ac4d7915608b062ab3440e5be25442af760f4d98cfdbd.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	RVN.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	805517d3605028572a1ac4d7915608b062ab3440e5be25442af760f4d98cfdbd.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
2408	cmd.exe
2612	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2612	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1912	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2244	RVN.exe
Token: SeLoadDriverPrivilege	1912	TXPlatforn.exe
Token: 33	1912	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	1912	TXPlatforn.exe
Token: 33	1912	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	1912	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1744	805517d3605028572a1ac4d7915608b062ab3440e5be25442af760f4d98cfdbd.exe
1744	805517d3605028572a1ac4d7915608b062ab3440e5be25442af760f4d98cfdbd.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 2244	1744	805517d3605028572a1ac4d7915608b062ab3440e5be25442af760f4d98cfdbd.exe	28
PID 1744 wrote to memory of 2244	1744	805517d3605028572a1ac4d7915608b062ab3440e5be25442af760f4d98cfdbd.exe	28
PID 1744 wrote to memory of 2244	1744	805517d3605028572a1ac4d7915608b062ab3440e5be25442af760f4d98cfdbd.exe	28
PID 1744 wrote to memory of 2244	1744	805517d3605028572a1ac4d7915608b062ab3440e5be25442af760f4d98cfdbd.exe	28
PID 1744 wrote to memory of 2244	1744	805517d3605028572a1ac4d7915608b062ab3440e5be25442af760f4d98cfdbd.exe	28
PID 1744 wrote to memory of 2244	1744	805517d3605028572a1ac4d7915608b062ab3440e5be25442af760f4d98cfdbd.exe	28
PID 1744 wrote to memory of 2244	1744	805517d3605028572a1ac4d7915608b062ab3440e5be25442af760f4d98cfdbd.exe	28
PID 2432 wrote to memory of 1912	2432	TXPlatforn.exe	30
PID 2432 wrote to memory of 1912	2432	TXPlatforn.exe	30
PID 2432 wrote to memory of 1912	2432	TXPlatforn.exe	30
PID 2432 wrote to memory of 1912	2432	TXPlatforn.exe	30
PID 2432 wrote to memory of 1912	2432	TXPlatforn.exe	30
PID 2432 wrote to memory of 1912	2432	TXPlatforn.exe	30
PID 2432 wrote to memory of 1912	2432	TXPlatforn.exe	30
PID 2244 wrote to memory of 2408	2244	RVN.exe	31
PID 2244 wrote to memory of 2408	2244	RVN.exe	31
PID 2244 wrote to memory of 2408	2244	RVN.exe	31
PID 2244 wrote to memory of 2408	2244	RVN.exe	31
PID 2408 wrote to memory of 2612	2408	cmd.exe	33
PID 2408 wrote to memory of 2612	2408	cmd.exe	33
PID 2408 wrote to memory of 2612	2408	cmd.exe	33
PID 2408 wrote to memory of 2612	2408	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\805517d3605028572a1ac4d7915608b062ab3440e5be25442af760f4d98cfdbd.exe
"C:\Users\Admin\AppData\Local\Temp\805517d3605028572a1ac4d7915608b062ab3440e5be25442af760f4d98cfdbd.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1744
- 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:2244
- - 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:2408
  - - 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:2612

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2432
- 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:1912

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\RCX8ED7.tmp

Filesize
1.4MB

MD5
49311ef2da6697df741d9aba81ac7851

SHA1
0928a89a8594a60daa5e8680b6ba507e167810f4

SHA256
df0d6f0134b312c20dcf5771df67d6023ee460820c48bbd2ab276fda09a33e8c

SHA512
d4217fb1fd044edab804d1e1a5dea0c79241bb8672bc514fb1b59f0a0725b32f03287cb0a6f6630f3a50085bd2cf1236e9e1c35dd66946a1b1032039070e0d1f

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/1912-64-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1912-50-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1912-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1912-66-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2244-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2244-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2244-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2244-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2432-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2432-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads