Analysis

  • max time kernel
    260s
  • max time network
    337s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    29/11/2022, 03:25

General

  • Target

    6fd104f2e836ddc8887b59cbd5f84ed1d58e9d7abfe6e241c9543d44fcd9f251.exe

  • Size

    356KB

  • MD5

    5a4aa2eca3ea94008683edb95a06c18a

  • SHA1

    b134faede0beaf303bec21098a352861a915fa34

  • SHA256

    6fd104f2e836ddc8887b59cbd5f84ed1d58e9d7abfe6e241c9543d44fcd9f251

  • SHA512

    c2277d81774e90fd89397e5c26a6548d0b4d19b2bbd34bffba7a62a127491961d89919f3e4475bd17d9c00e27d0cb3dc483dcc65f960bef239e3156abf8e298f

  • SSDEEP

    6144:/YEvgjhQMWekPQRacktlIgAm75bOvG/bPUMp3l8gUAqPHurdA:/Y9OMWbQRCLbM6BqWA

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6fd104f2e836ddc8887b59cbd5f84ed1d58e9d7abfe6e241c9543d44fcd9f251.exe
    "C:\Users\Admin\AppData\Local\Temp\6fd104f2e836ddc8887b59cbd5f84ed1d58e9d7abfe6e241c9543d44fcd9f251.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:748
    • C:\Users\Admin\roeleon.exe
      "C:\Users\Admin\roeleon.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1524

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\roeleon.exe

    Filesize

    356KB

    MD5

    5a4aa2eca3ea94008683edb95a06c18a

    SHA1

    b134faede0beaf303bec21098a352861a915fa34

    SHA256

    6fd104f2e836ddc8887b59cbd5f84ed1d58e9d7abfe6e241c9543d44fcd9f251

    SHA512

    c2277d81774e90fd89397e5c26a6548d0b4d19b2bbd34bffba7a62a127491961d89919f3e4475bd17d9c00e27d0cb3dc483dcc65f960bef239e3156abf8e298f

  • C:\Users\Admin\roeleon.exe

    Filesize

    356KB

    MD5

    5a4aa2eca3ea94008683edb95a06c18a

    SHA1

    b134faede0beaf303bec21098a352861a915fa34

    SHA256

    6fd104f2e836ddc8887b59cbd5f84ed1d58e9d7abfe6e241c9543d44fcd9f251

    SHA512

    c2277d81774e90fd89397e5c26a6548d0b4d19b2bbd34bffba7a62a127491961d89919f3e4475bd17d9c00e27d0cb3dc483dcc65f960bef239e3156abf8e298f

  • \Users\Admin\roeleon.exe

    Filesize

    356KB

    MD5

    5a4aa2eca3ea94008683edb95a06c18a

    SHA1

    b134faede0beaf303bec21098a352861a915fa34

    SHA256

    6fd104f2e836ddc8887b59cbd5f84ed1d58e9d7abfe6e241c9543d44fcd9f251

    SHA512

    c2277d81774e90fd89397e5c26a6548d0b4d19b2bbd34bffba7a62a127491961d89919f3e4475bd17d9c00e27d0cb3dc483dcc65f960bef239e3156abf8e298f

  • \Users\Admin\roeleon.exe

    Filesize

    356KB

    MD5

    5a4aa2eca3ea94008683edb95a06c18a

    SHA1

    b134faede0beaf303bec21098a352861a915fa34

    SHA256

    6fd104f2e836ddc8887b59cbd5f84ed1d58e9d7abfe6e241c9543d44fcd9f251

    SHA512

    c2277d81774e90fd89397e5c26a6548d0b4d19b2bbd34bffba7a62a127491961d89919f3e4475bd17d9c00e27d0cb3dc483dcc65f960bef239e3156abf8e298f

  • memory/748-56-0x00000000763D1000-0x00000000763D3000-memory.dmp

    Filesize

    8KB

  • memory/748-65-0x0000000074851000-0x0000000074853000-memory.dmp

    Filesize

    8KB