Analysis

  • max time kernel
    101s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    25-08-2021 12:10

General

  • Target

    389c556e30252966f34f1bc23348e182af2c0883771f9c8abe299a8ba54b1f6a.exe

  • Size

    13.6MB

  • MD5

    415c3aa31822921311e2f080b3814924

  • SHA1

    796231aacfe6bf73ac73e95f1f061307f6c3ae68

  • SHA256

    389c556e30252966f34f1bc23348e182af2c0883771f9c8abe299a8ba54b1f6a

  • SHA512

    637b3feb21e3a4fc497faa5e762d843acb3c2e8688f98cc2f30aaf468d9ac10d62dcbc7736baedb43e677674728afea748dc35acaff1c554ac754e5c8a6eff6a

Score
10/10

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.

  • 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 8 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\389c556e30252966f34f1bc23348e182af2c0883771f9c8abe299a8ba54b1f6a.exe
    "C:\Users\Admin\AppData\Local\Temp\389c556e30252966f34f1bc23348e182af2c0883771f9c8abe299a8ba54b1f6a.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3128
    • C:\Users\Admin\AppData\Local\Temp\is-S7BP4.tmp\389c556e30252966f34f1bc23348e182af2c0883771f9c8abe299a8ba54b1f6a.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-S7BP4.tmp\389c556e30252966f34f1bc23348e182af2c0883771f9c8abe299a8ba54b1f6a.tmp" /SL5="$20112,13430622,831488,C:\Users\Admin\AppData\Local\Temp\389c556e30252966f34f1bc23348e182af2c0883771f9c8abe299a8ba54b1f6a.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2136
      • 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:2056
        • C:\Windows\SysWOW64\notepad.exe
          "C:\Windows\system32\notepad.exe"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          PID:2788
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe"
            5⤵
            • Blocklisted process makes network request
            • Drops file in Windows directory
            PID:1492

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1492-196-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1492-175-0x00007FFAB0C51000-0x00007FFAB0D5E7A3-memory.dmp

    Filesize

    1.1MB

  • memory/1492-170-0x00007FFAB0C50000-0x00007FFAB0E2B000-memory.dmp

    Filesize

    1.9MB

  • memory/1492-169-0x0000000003300000-0x0000000003309000-memory.dmp

    Filesize

    36KB

  • memory/2056-124-0x0000000000F31000-0x0000000000F35000-memory.dmp

    Filesize

    16KB

  • memory/2136-118-0x0000000000E10000-0x0000000000E11000-memory.dmp

    Filesize

    4KB

  • memory/2788-157-0x00007FFAB0C50000-0x00007FFAB0E2B000-memory.dmp

    Filesize

    1.9MB

  • memory/2788-156-0x00000000033B0000-0x00000000033B8000-memory.dmp

    Filesize

    32KB

  • memory/2788-143-0x0000000000D70000-0x0000000000D72000-memory.dmp

    Filesize

    8KB

  • memory/2788-135-0x0000000077399000-0x0000000077399005-memory.dmp

    Filesize

    5B

  • memory/3128-117-0x0000000000400000-0x00000000004D8000-memory.dmp

    Filesize

    864KB