Analysis

  • max time kernel
    151s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2023 15:18

General

  • Target

    cb7d74d3686c2832d6bbf6bb9a5f20e8d0d0e7f48fd0c8d6a3b07e98769e59fd.exe

  • Size

    1004KB

  • MD5

    17f83bc21dfe5a240ffe81217f0d892f

  • SHA1

    9f15af376dae479aa706555e5509322b018a99ba

  • SHA256

    cb7d74d3686c2832d6bbf6bb9a5f20e8d0d0e7f48fd0c8d6a3b07e98769e59fd

  • SHA512

    7490a3bd7bb698b571fc443e617615ad7aac338f9c6b844078ea3de3126b2eb91c904f8b0d8c9806ab0abf254a7bfb6595c993faab60be0620934ad5ed8c2979

  • SSDEEP

    24576:xE/NU3dLfFe1gAS0LE2ZKc9PSEH0uZuLfSA5yN4spZjpVcNTkJXo:EihxASPsaEH9ZuL3udKTW

Malware Config

Signatures

  • Luminosity 4 IoCs

    Luminosity is a RAT family that was on sale, while claiming to be a system administration utility.

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cb7d74d3686c2832d6bbf6bb9a5f20e8d0d0e7f48fd0c8d6a3b07e98769e59fd.exe
    "C:\Users\Admin\AppData\Local\Temp\cb7d74d3686c2832d6bbf6bb9a5f20e8d0d0e7f48fd0c8d6a3b07e98769e59fd.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Users\Admin\AppData\Local\Temp\cb7d74d3686c2832d6bbf6bb9a5f20e8d0d0e7f48fd0c8d6a3b07e98769e59fd.exe
      "C:\Users\Admin\AppData\Local\Temp\cb7d74d3686c2832d6bbf6bb9a5f20e8d0d0e7f48fd0c8d6a3b07e98769e59fd.exe"
      2⤵
      • Luminosity
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2192
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn "move up" /tr "'C:\Program Files (x86)\folder\cli.exe' /startup" /sc MINUTE /f /rl highest
        3⤵
        • Luminosity
        • Suspicious behavior: EnumeratesProcesses
        PID:2732
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn "move up" /tr "'C:\Program Files (x86)\folder\cli.exe' /startup" /sc MINUTE /f /rl highest
        3⤵
        • Luminosity
        PID:2552
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn "move up" /tr "'C:\Program Files (x86)\folder\cli.exe' /startup" /sc MINUTE /f /rl highest
        3⤵
        • Luminosity
        • Creates scheduled task(s)
        PID:2812
      • C:\Windows\SysWOW64\REG.exe
        REG ADD "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce" /v "move up" /d "cmd /c """start """move up""" """C:\Program Files (x86)\folder\cli.exe"""" /f /reg:64
        3⤵
        • Adds Run key to start application
        PID:476
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {42104FBC-D4A1-4C63-93EC-5116FA622534} S-1-5-21-3618187007-3650799920-3290345941-1000:BPDFUYWR\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1668
    • C:\Program Files (x86)\folder\cli.exe
      "C:\Program Files (x86)\folder\cli.exe" /startup
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:792
      • C:\Program Files (x86)\folder\cli.exe
        "C:\Program Files (x86)\folder\cli.exe"
        3⤵
        • Executes dropped EXE
        PID:2840
    • C:\Program Files (x86)\folder\cli.exe
      "C:\Program Files (x86)\folder\cli.exe" /startup
      2⤵
      • Executes dropped EXE
      PID:2140

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\folder\cli.exe

    Filesize

    1004KB

    MD5

    17f83bc21dfe5a240ffe81217f0d892f

    SHA1

    9f15af376dae479aa706555e5509322b018a99ba

    SHA256

    cb7d74d3686c2832d6bbf6bb9a5f20e8d0d0e7f48fd0c8d6a3b07e98769e59fd

    SHA512

    7490a3bd7bb698b571fc443e617615ad7aac338f9c6b844078ea3de3126b2eb91c904f8b0d8c9806ab0abf254a7bfb6595c993faab60be0620934ad5ed8c2979

  • C:\Program Files (x86)\folder\cli.exe

    Filesize

    1004KB

    MD5

    17f83bc21dfe5a240ffe81217f0d892f

    SHA1

    9f15af376dae479aa706555e5509322b018a99ba

    SHA256

    cb7d74d3686c2832d6bbf6bb9a5f20e8d0d0e7f48fd0c8d6a3b07e98769e59fd

    SHA512

    7490a3bd7bb698b571fc443e617615ad7aac338f9c6b844078ea3de3126b2eb91c904f8b0d8c9806ab0abf254a7bfb6595c993faab60be0620934ad5ed8c2979

  • C:\Program Files (x86)\folder\cli.exe

    Filesize

    1004KB

    MD5

    17f83bc21dfe5a240ffe81217f0d892f

    SHA1

    9f15af376dae479aa706555e5509322b018a99ba

    SHA256

    cb7d74d3686c2832d6bbf6bb9a5f20e8d0d0e7f48fd0c8d6a3b07e98769e59fd

    SHA512

    7490a3bd7bb698b571fc443e617615ad7aac338f9c6b844078ea3de3126b2eb91c904f8b0d8c9806ab0abf254a7bfb6595c993faab60be0620934ad5ed8c2979

  • C:\Program Files (x86)\folder\cli.exe

    Filesize

    1004KB

    MD5

    17f83bc21dfe5a240ffe81217f0d892f

    SHA1

    9f15af376dae479aa706555e5509322b018a99ba

    SHA256

    cb7d74d3686c2832d6bbf6bb9a5f20e8d0d0e7f48fd0c8d6a3b07e98769e59fd

    SHA512

    7490a3bd7bb698b571fc443e617615ad7aac338f9c6b844078ea3de3126b2eb91c904f8b0d8c9806ab0abf254a7bfb6595c993faab60be0620934ad5ed8c2979

  • C:\Program Files (x86)\folder\cli.exe

    Filesize

    1004KB

    MD5

    17f83bc21dfe5a240ffe81217f0d892f

    SHA1

    9f15af376dae479aa706555e5509322b018a99ba

    SHA256

    cb7d74d3686c2832d6bbf6bb9a5f20e8d0d0e7f48fd0c8d6a3b07e98769e59fd

    SHA512

    7490a3bd7bb698b571fc443e617615ad7aac338f9c6b844078ea3de3126b2eb91c904f8b0d8c9806ab0abf254a7bfb6595c993faab60be0620934ad5ed8c2979

  • memory/792-84-0x0000000000780000-0x0000000000797000-memory.dmp

    Filesize

    92KB

  • memory/792-69-0x0000000074780000-0x0000000074D2B000-memory.dmp

    Filesize

    5.7MB

  • memory/792-99-0x0000000074780000-0x0000000074D2B000-memory.dmp

    Filesize

    5.7MB

  • memory/792-97-0x0000000000780000-0x0000000000797000-memory.dmp

    Filesize

    92KB

  • memory/792-87-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/792-70-0x0000000000220000-0x0000000000260000-memory.dmp

    Filesize

    256KB

  • memory/792-71-0x0000000074780000-0x0000000074D2B000-memory.dmp

    Filesize

    5.7MB

  • memory/792-83-0x0000000000210000-0x0000000000211000-memory.dmp

    Filesize

    4KB

  • memory/792-80-0x0000000000780000-0x0000000000797000-memory.dmp

    Filesize

    92KB

  • memory/792-78-0x0000000000780000-0x0000000000797000-memory.dmp

    Filesize

    92KB

  • memory/792-76-0x0000000000780000-0x0000000000797000-memory.dmp

    Filesize

    92KB

  • memory/1948-22-0x0000000074780000-0x0000000074D2B000-memory.dmp

    Filesize

    5.7MB

  • memory/1948-2-0x0000000000BA0000-0x0000000000BE0000-memory.dmp

    Filesize

    256KB

  • memory/1948-1-0x0000000074780000-0x0000000074D2B000-memory.dmp

    Filesize

    5.7MB

  • memory/1948-0-0x0000000074780000-0x0000000074D2B000-memory.dmp

    Filesize

    5.7MB

  • memory/2140-123-0x0000000074780000-0x0000000074D2B000-memory.dmp

    Filesize

    5.7MB

  • memory/2140-122-0x0000000074780000-0x0000000074D2B000-memory.dmp

    Filesize

    5.7MB

  • memory/2192-46-0x0000000074780000-0x0000000074D2B000-memory.dmp

    Filesize

    5.7MB

  • memory/2192-23-0x00000000002A0000-0x00000000002E0000-memory.dmp

    Filesize

    256KB

  • memory/2192-3-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB

  • memory/2192-5-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB

  • memory/2192-7-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB

  • memory/2192-13-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB

  • memory/2192-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2192-18-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB

  • memory/2192-20-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB

  • memory/2192-21-0x0000000074780000-0x0000000074D2B000-memory.dmp

    Filesize

    5.7MB

  • memory/2732-34-0x0000000000260000-0x0000000000277000-memory.dmp

    Filesize

    92KB

  • memory/2732-39-0x0000000000160000-0x0000000000161000-memory.dmp

    Filesize

    4KB

  • memory/2732-29-0x0000000000260000-0x0000000000277000-memory.dmp

    Filesize

    92KB

  • memory/2732-31-0x0000000000260000-0x0000000000277000-memory.dmp

    Filesize

    92KB

  • memory/2732-42-0x00000000002A0000-0x00000000002E0000-memory.dmp

    Filesize

    256KB

  • memory/2732-45-0x0000000000260000-0x0000000000277000-memory.dmp

    Filesize

    92KB

  • memory/2732-37-0x0000000000260000-0x0000000000277000-memory.dmp

    Filesize

    92KB

  • memory/2732-38-0x0000000000160000-0x0000000000161000-memory.dmp

    Filesize

    4KB

  • memory/2732-40-0x0000000000260000-0x0000000000277000-memory.dmp

    Filesize

    92KB

  • memory/2732-27-0x0000000000260000-0x0000000000277000-memory.dmp

    Filesize

    92KB

  • memory/2840-116-0x00000000022B0000-0x00000000022F0000-memory.dmp

    Filesize

    256KB

  • memory/2840-118-0x0000000074780000-0x0000000074D2B000-memory.dmp

    Filesize

    5.7MB

  • memory/2840-119-0x00000000001F0000-0x00000000001F1000-memory.dmp

    Filesize

    4KB

  • memory/2840-120-0x0000000074780000-0x0000000074D2B000-memory.dmp

    Filesize

    5.7MB

  • memory/2840-117-0x00000000000E0000-0x00000000000E1000-memory.dmp

    Filesize

    4KB

  • memory/2840-115-0x0000000074780000-0x0000000074D2B000-memory.dmp

    Filesize

    5.7MB

  • memory/2840-94-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB