Analysis

  • max time kernel
    113s
  • max time network
    153s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    27-07-2021 09:14

General

  • Target

    66dfb7c408d734edc2967d50244babae27e4268ea93aa0daa5e6bbace607024c.bin.exe

  • Size

    6.9MB

  • MD5

    c6807985e9ac7a2d65b15728934c0a86

  • SHA1

    5d9a604584a5052d5bb7b277be339a1debeaaf59

  • SHA256

    66dfb7c408d734edc2967d50244babae27e4268ea93aa0daa5e6bbace607024c

  • SHA512

    007069f54c3f9ae76056581ded22fe1cb870ca711e2e9b1204fb9584c7918a9dc974b1491614da668a5b45b8463f9994075c525255a72744a03f953dde7b51ac

Malware Config

Signatures

  • ParallaxRat

    ParallaxRat is a multipurpose RAT written in MASM.

  • ParallaxRat payload 1 IoCs

    Detects payload of Parallax Rat, a small portable Rat usually digitally signed with a Sectigo certificate.

  • suricata: ET MALWARE Parallax CnC Response Activity M14
  • Blocklisted process makes network request 1 IoCs
  • Executes dropped EXE 2 IoCs
  • UPX packed file 2 IoCs

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

  • Loads dropped DLL 6 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\66dfb7c408d734edc2967d50244babae27e4268ea93aa0daa5e6bbace607024c.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\66dfb7c408d734edc2967d50244babae27e4268ea93aa0daa5e6bbace607024c.bin.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3980
    • C:\Users\Admin\AppData\Local\Temp\is-D3FCP.tmp\66dfb7c408d734edc2967d50244babae27e4268ea93aa0daa5e6bbace607024c.bin.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-D3FCP.tmp\66dfb7c408d734edc2967d50244babae27e4268ea93aa0daa5e6bbace607024c.bin.tmp" /SL5="$201C8,6337497,999936,C:\Users\Admin\AppData\Local\Temp\66dfb7c408d734edc2967d50244babae27e4268ea93aa0daa5e6bbace607024c.bin.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1736
      • C:\Users\Admin\AppData\Roaming\UtorrentV4.exe
        "C:\Users\Admin\AppData\Roaming\UtorrentV4.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2596
        • C:\Windows\SysWOW64\notepad.exe
          "C:\Windows\system32\notepad.exe"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          PID:3564
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe"
            5⤵
            • Blocklisted process makes network request
            • Drops file in Windows directory
            PID:1216

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1216-194-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1216-173-0x00007FFF4DF91000-0x00007FFF4E09E7A3-memory.dmp

    Filesize

    1.1MB

  • memory/1216-168-0x00007FFF4DF90000-0x00007FFF4E16B000-memory.dmp

    Filesize

    1.9MB

  • memory/1216-167-0x0000000000D70000-0x0000000000D79000-memory.dmp

    Filesize

    36KB

  • memory/1736-118-0x00000000007A0000-0x000000000084E000-memory.dmp

    Filesize

    696KB

  • memory/2596-124-0x0000000000F51000-0x0000000000F55000-memory.dmp

    Filesize

    16KB

  • memory/3564-155-0x00007FFF4DF90000-0x00007FFF4E16B000-memory.dmp

    Filesize

    1.9MB

  • memory/3564-154-0x0000000004BD0000-0x0000000004BD8000-memory.dmp

    Filesize

    32KB

  • memory/3564-141-0x0000000002CD0000-0x0000000002CD2000-memory.dmp

    Filesize

    8KB

  • memory/3564-133-0x0000000076FE9000-0x0000000076FE9005-memory.dmp

    Filesize

    5B

  • memory/3980-115-0x0000000000400000-0x0000000000501000-memory.dmp

    Filesize

    1.0MB