Analysis

  • max time kernel
    112s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    27-07-2021 09:15

General

  • Target

    dd2b6e5b02de97b7888bb22135c2c9771c6a2477a59e96463141c36d30e80fbb.bin.exe

  • Size

    5.8MB

  • MD5

    1b890e13edc227f3605e8725fa62c4c3

  • SHA1

    65979c3b01a41b7b5939d7808d3791350b65e6fa

  • SHA256

    dd2b6e5b02de97b7888bb22135c2c9771c6a2477a59e96463141c36d30e80fbb

  • SHA512

    a2f1b53c8d0d9a02aa31ade6cc3ade106af65ff92f9b6fe4286692ea65367cfb0991087fc6919fc346bf3d486ae1c9edd7f9d4d426c21b2a6913024ab5c45966

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 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\dd2b6e5b02de97b7888bb22135c2c9771c6a2477a59e96463141c36d30e80fbb.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\dd2b6e5b02de97b7888bb22135c2c9771c6a2477a59e96463141c36d30e80fbb.bin.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Users\Admin\AppData\Local\Temp\is-2NK4K.tmp\dd2b6e5b02de97b7888bb22135c2c9771c6a2477a59e96463141c36d30e80fbb.bin.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-2NK4K.tmp\dd2b6e5b02de97b7888bb22135c2c9771c6a2477a59e96463141c36d30e80fbb.bin.tmp" /SL5="$201D0,5202326,999936,C:\Users\Admin\AppData\Local\Temp\dd2b6e5b02de97b7888bb22135c2c9771c6a2477a59e96463141c36d30e80fbb.bin.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1448
      • 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:2168
        • C:\Windows\SysWOW64\notepad.exe
          "C:\Windows\system32\notepad.exe"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          PID:1576
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe"
            5⤵
            • Blocklisted process makes network request
            • Drops file in Windows directory
            PID:1376

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1376-196-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1376-175-0x00007FFC24031000-0x00007FFC2413E7A3-memory.dmp

    Filesize

    1.1MB

  • memory/1376-169-0x00007FFC24030000-0x00007FFC2420B000-memory.dmp

    Filesize

    1.9MB

  • memory/1376-170-0x0000000002FE0000-0x0000000002FE9000-memory.dmp

    Filesize

    36KB

  • memory/1448-118-0x00000000009B0000-0x00000000009B1000-memory.dmp

    Filesize

    4KB

  • memory/1576-139-0x0000000003140000-0x0000000003142000-memory.dmp

    Filesize

    8KB

  • memory/1576-157-0x00007FFC24030000-0x00007FFC2420B000-memory.dmp

    Filesize

    1.9MB

  • memory/1576-156-0x00000000036D0000-0x00000000036D8000-memory.dmp

    Filesize

    32KB

  • memory/1576-135-0x0000000077359000-0x0000000077359005-memory.dmp

    Filesize

    5B

  • memory/1968-117-0x0000000000400000-0x0000000000501000-memory.dmp

    Filesize

    1.0MB

  • memory/2168-124-0x0000000000E81000-0x0000000000E85000-memory.dmp

    Filesize

    16KB