Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    25-05-2024 17:41

General

  • Target

    e0797df0ab4c7aef3a532faf6fdc9c82363d03aeac1df7b7fe85bced4ec01e29.exe

  • Size

    1.2MB

  • MD5

    7c0a5bfab4a548480d774ebdbdb0394a

  • SHA1

    bcd46d7fa945fa196534d22eeae653395fe287a2

  • SHA256

    e0797df0ab4c7aef3a532faf6fdc9c82363d03aeac1df7b7fe85bced4ec01e29

  • SHA512

    5ecc958fb55b8db43fcfc4a64e1dd44d980fc941edc3685f2de4bed1126c9aaf02ce863a5c57257793cad4590d91b1a5072f8bbccfd8dca3bebb657f0a88f4da

  • SSDEEP

    24576:S09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+j4:S09XJt4HIN2H2tFvduySl4

Malware Config

Signatures

  • Detect PurpleFox Rootkit 8 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 8 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • PurpleFox

    PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

  • Drops file in Drivers directory 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 9 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e0797df0ab4c7aef3a532faf6fdc9c82363d03aeac1df7b7fe85bced4ec01e29.exe
    "C:\Users\Admin\AppData\Local\Temp\e0797df0ab4c7aef3a532faf6fdc9c82363d03aeac1df7b7fe85bced4ec01e29.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1688
    • 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:2124
      • 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:2864
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2940
    • C:\Users\Admin\AppData\Local\Temp\HD_e0797df0ab4c7aef3a532faf6fdc9c82363d03aeac1df7b7fe85bced4ec01e29.exe
      C:\Users\Admin\AppData\Local\Temp\HD_e0797df0ab4c7aef3a532faf6fdc9c82363d03aeac1df7b7fe85bced4ec01e29.exe
      2⤵
      • Executes dropped EXE
      PID:2720
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2068
    • 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:2820

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Discovery

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Replay Monitor

Loading Replay Monitor...

Downloads

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

    1.1MB

    MD5

    a1b250db8190959bf7ae86f32849ad80

    SHA1

    1a3ba521c858108e1420ce064dcec1a50819fffd

    SHA256

    a5fb01c16c5282f337f136c6d74d25df73c6e5a1f7cc5bf2a5a86d0fec3fb9b4

    SHA512

    d21709bd6e549fbb7b6e77756a581c19f3646fc0a2908525952f0be75043a22a81139eadcd8d99c5ab8e5577e1eb1d8a30efcef7c9936d9af8020ea6f8f0a806

  • \Users\Admin\AppData\Local\Temp\HD_e0797df0ab4c7aef3a532faf6fdc9c82363d03aeac1df7b7fe85bced4ec01e29.exe
    Filesize

    120KB

    MD5

    3df562a21ee0489c4ce9d16ec05c2583

    SHA1

    5aa404393e019a47fef3f77f0f8a2934237b7193

    SHA256

    d8d02e31207d543ebc8ddbfd27fcfe052ad9dc39495f482b4f5cabf99887aeba

    SHA512

    f649fe0499db6a6998c56fd626792e54474446f60c5b1c71e90311a9cacc2b2ea0b10afa914cd5c9f56da6193b20827b2fc797529a3800e20e66fdaac0b597b0

  • \Users\Admin\AppData\Local\Temp\RVN.exe
    Filesize

    377KB

    MD5

    80ade1893dec9cab7f2e63538a464fcc

    SHA1

    c06614da33a65eddb506db00a124a3fc3f5be02e

    SHA256

    57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

    SHA512

    fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

  • memory/2068-18-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2068-69-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2124-7-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2124-5-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2124-9-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2124-29-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2820-70-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2820-74-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2820-75-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB