Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 05:33

General

  • Target

    a4375e040f13128a4dc747d845dd82b7204008c71beb526483b369eea30d2582.exe

  • Size

    1.7MB

  • MD5

    dfe9bb1f434b2c4274b25c55f4c357fd

  • SHA1

    26174ece060175ac42687ac2bbbda5ad8b486972

  • SHA256

    a4375e040f13128a4dc747d845dd82b7204008c71beb526483b369eea30d2582

  • SHA512

    81d7b36b5ee84df38237fcbd7b5b8c8714a079e07bbab5098d44a486d63803b4d054fa9e04e35c6c56af4c8b492ed06e11f2d6d1c161efe2edd18328047064e8

  • SSDEEP

    24576:4yCr4tXdUADDqI0NqpWTUczJqcswysxoJVJgRtmO0pO9j+30JwYEXpUZCwQU/4e:/CctXhDsIWTUczJq/JlgD50pOV+PbqQ

Malware Config

Extracted

Family

risepro

C2

193.233.132.51

Signatures

  • PrivateLoader

    PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

  • RisePro

    RisePro stealer is an infostealer distributed by PrivateLoader.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Drops file in System32 directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a4375e040f13128a4dc747d845dd82b7204008c71beb526483b369eea30d2582.exe
    "C:\Users\Admin\AppData\Local\Temp\a4375e040f13128a4dc747d845dd82b7204008c71beb526483b369eea30d2582.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1536
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\DP7cw14.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\DP7cw14.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2652
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1PY91HS1.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1PY91HS1.exe
        3⤵
        • Drops startup file
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:4100
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 HR" /sc HOURLY /rl HIGHEST
          4⤵
          • Creates scheduled task(s)
          PID:1336
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 LG" /sc ONLOGON /rl HIGHEST
          4⤵
          • Creates scheduled task(s)
          PID:4384
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
    1⤵
      PID:3224
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
      1⤵
        PID:3332

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\DP7cw14.exe

        Filesize

        789KB

        MD5

        26473323ace07a13f8efa7d9ce958dd1

        SHA1

        ddcab8ea0e7f1f0b85426b143a36b40fc7e84be3

        SHA256

        9045dd4c06a9633df631f15e35623257b5bff57d47693e44beead46433f1885a

        SHA512

        4d7a1920855b68dca84f68821ad569920de60f50a1af3144558ca22c3b8d6fe71d5fb2e5eb43b59417f007c9e4afa085951081273c0c99b4f7dd96ad60af760c

      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1PY91HS1.exe

        Filesize

        1.6MB

        MD5

        1e4a39e833621ee44e2e08fc25c9eb10

        SHA1

        f23a0c4ae5aa926327ca8d0df79012ca5496838a

        SHA256

        aec0820be63d45a35ffe79c5413f7b0c90508d37cf4203d7e37703209c37ca67

        SHA512

        96578acecf1ef6b1d3d7f0b32121329a76507950a7fcfeea86b505b638d329d383999b920bb025da98879fa504b0fb6e4d90476d6f14eedc8fa3f943990424ce