gh0strat | 5df01d9de65247fc2a40ce6424185079aa065c4c9e9833a608f68f1d399341d0

General

Target

5df01d9de65247fc2a40ce6424185079aa065c4c9e9833a608f68f1d399341d0.exe
Size

1.5MB
MD5

c5808360e8ca176844b5092b148c50c5
SHA1

666eb453440f0ffea8555d1a7cb6a38bc3478818
SHA256

5df01d9de65247fc2a40ce6424185079aa065c4c9e9833a608f68f1d399341d0
SHA512

1ee8258fc5dc4e0378b85351afe5f44fd38f3105486f98f22ca5aad3b57d1a1cf1787ca2a6758c7d7b6d46057adf635327c71545fcc3f15273118296de93d311
SSDEEP

24576:409tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+Bwpe45QEehZjzNvMJr:409XJt4HIN2H2tFvduyS8pe45QEehZjs

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 11 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2088-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2088-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2088-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2096-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/320-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/320-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/320-60-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2096-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/320-61-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/320-65-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/320-66-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral1/memory/2088-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2088-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2088-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2096-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/320-48-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/320-49-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/320-60-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2096-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/320-61-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/320-65-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/320-66-0x0000000010000000-0x00000000101B6000-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
2088	RVN.exe
2096	TXPlatforn.exe
320	TXPlatforn.exe

Loads dropped DLL 2 IoCs

pid	Process
2384	5df01d9de65247fc2a40ce6424185079aa065c4c9e9833a608f68f1d399341d0.exe
2096	TXPlatforn.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2088-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2088-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2088-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2088-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2096-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/320-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/320-49-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/320-60-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/320-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2096-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/320-61-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/320-65-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/320-66-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

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

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	5df01d9de65247fc2a40ce6424185079aa065c4c9e9833a608f68f1d399341d0.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	5df01d9de65247fc2a40ce6424185079aa065c4c9e9833a608f68f1d399341d0.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	5df01d9de65247fc2a40ce6424185079aa065c4c9e9833a608f68f1d399341d0.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	5df01d9de65247fc2a40ce6424185079aa065c4c9e9833a608f68f1d399341d0.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	5df01d9de65247fc2a40ce6424185079aa065c4c9e9833a608f68f1d399341d0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RVN.exe
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

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
2068	cmd.exe
2636	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2636	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
320	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2088	RVN.exe
Token: SeLoadDriverPrivilege	320	TXPlatforn.exe
Token: 33	320	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	320	TXPlatforn.exe
Token: 33	320	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	320	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2384	5df01d9de65247fc2a40ce6424185079aa065c4c9e9833a608f68f1d399341d0.exe
2384	5df01d9de65247fc2a40ce6424185079aa065c4c9e9833a608f68f1d399341d0.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2088	2384	5df01d9de65247fc2a40ce6424185079aa065c4c9e9833a608f68f1d399341d0.exe	30
PID 2384 wrote to memory of 2088	2384	5df01d9de65247fc2a40ce6424185079aa065c4c9e9833a608f68f1d399341d0.exe	30
PID 2384 wrote to memory of 2088	2384	5df01d9de65247fc2a40ce6424185079aa065c4c9e9833a608f68f1d399341d0.exe	30
PID 2384 wrote to memory of 2088	2384	5df01d9de65247fc2a40ce6424185079aa065c4c9e9833a608f68f1d399341d0.exe	30
PID 2384 wrote to memory of 2088	2384	5df01d9de65247fc2a40ce6424185079aa065c4c9e9833a608f68f1d399341d0.exe	30
PID 2384 wrote to memory of 2088	2384	5df01d9de65247fc2a40ce6424185079aa065c4c9e9833a608f68f1d399341d0.exe	30
PID 2384 wrote to memory of 2088	2384	5df01d9de65247fc2a40ce6424185079aa065c4c9e9833a608f68f1d399341d0.exe	30
PID 2088 wrote to memory of 2068	2088	RVN.exe	32
PID 2088 wrote to memory of 2068	2088	RVN.exe	32
PID 2088 wrote to memory of 2068	2088	RVN.exe	32
PID 2088 wrote to memory of 2068	2088	RVN.exe	32
PID 2096 wrote to memory of 320	2096	TXPlatforn.exe	34
PID 2096 wrote to memory of 320	2096	TXPlatforn.exe	34
PID 2096 wrote to memory of 320	2096	TXPlatforn.exe	34
PID 2096 wrote to memory of 320	2096	TXPlatforn.exe	34
PID 2096 wrote to memory of 320	2096	TXPlatforn.exe	34
PID 2096 wrote to memory of 320	2096	TXPlatforn.exe	34
PID 2096 wrote to memory of 320	2096	TXPlatforn.exe	34
PID 2068 wrote to memory of 2636	2068	cmd.exe	35
PID 2068 wrote to memory of 2636	2068	cmd.exe	35
PID 2068 wrote to memory of 2636	2068	cmd.exe	35
PID 2068 wrote to memory of 2636	2068	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\5df01d9de65247fc2a40ce6424185079aa065c4c9e9833a608f68f1d399341d0.exe
"C:\Users\Admin\AppData\Local\Temp\5df01d9de65247fc2a40ce6424185079aa065c4c9e9833a608f68f1d399341d0.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:2384
- 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:2088
- - 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:2068
  - - 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:2636

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:2096
- 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:320

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
1.5MB

MD5
c5808360e8ca176844b5092b148c50c5

SHA1
666eb453440f0ffea8555d1a7cb6a38bc3478818

SHA256
5df01d9de65247fc2a40ce6424185079aa065c4c9e9833a608f68f1d399341d0

SHA512
1ee8258fc5dc4e0378b85351afe5f44fd38f3105486f98f22ca5aad3b57d1a1cf1787ca2a6758c7d7b6d46057adf635327c71545fcc3f15273118296de93d311

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/320-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/320-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/320-49-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/320-60-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/320-61-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/320-65-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/320-66-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2088-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2088-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2088-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2088-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2096-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2096-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads