Analysis

  • max time kernel
    183s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20/10/2022, 23:02

General

  • Target

    544d18393465b23267db862542f8aa23f6f8a4dfc3c4dec4f86e96478b88f352.exe

  • Size

    336KB

  • MD5

    41bdbf477b31e57c8feee1bd8479cdb0

  • SHA1

    e9e5b91971bdbbe68c6238ac0eaa529440cd944e

  • SHA256

    544d18393465b23267db862542f8aa23f6f8a4dfc3c4dec4f86e96478b88f352

  • SHA512

    e2cd23e2a4b691513a05d827b3d7e88d1142ac4ec04403835d9715f25e61278dc61b04e46a79a0cdec6395fe4416bb961ddb81b7fe18722a0308b453d658f51b

  • SSDEEP

    6144:XqwXsTcNUXc8vtBgANFGBg6HOMFPZfQiQyWCGR8iyfUInjxxaf1Uri4:Xqwcoavt2AfORFGCzVciS+r

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\544d18393465b23267db862542f8aa23f6f8a4dfc3c4dec4f86e96478b88f352.exe
    "C:\Users\Admin\AppData\Local\Temp\544d18393465b23267db862542f8aa23f6f8a4dfc3c4dec4f86e96478b88f352.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1916
    • C:\Windows\RunMgr.EXE
      "C:\Windows\RunMgr.EXE"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2024
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2024 -s 36
        3⤵
        • Program crash
        PID:1572
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c del %SystemRoot%\Debug.exe
      2⤵
        PID:1504
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\544D18~1.EXE > nul
        2⤵
          PID:1388

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Windows\RunMgr.EXE

        Filesize

        268KB

        MD5

        c17e648345690c4648a70adb87208388

        SHA1

        a778992b560699f307e2af982a37be3a0a80005b

        SHA256

        947b00ed4929668d80c203e898f68e9c19c153577831afc2d43fa1db5548a148

        SHA512

        b18d835462b8309b8e418ff7f7e4c059a6e239fdd56c193542be6ceab5dcdb52196b9ca97d07be409ffa92ddd4073309466741222f7911a1f39094d90be48737

      • memory/1916-54-0x0000000000400000-0x000000000045564E-memory.dmp

        Filesize

        341KB

      • memory/1916-55-0x0000000075A81000-0x0000000075A83000-memory.dmp

        Filesize

        8KB

      • memory/1916-61-0x0000000002620000-0x0000000002726000-memory.dmp

        Filesize

        1.0MB

      • memory/1916-62-0x0000000002620000-0x0000000002726000-memory.dmp

        Filesize

        1.0MB

      • memory/1916-64-0x0000000000400000-0x000000000045564E-memory.dmp

        Filesize

        341KB

      • memory/2024-63-0x0000000000400000-0x0000000000506000-memory.dmp

        Filesize

        1.0MB