Analysis

  • max time kernel
    146s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    21-09-2021 20:19

General

  • Target

    PO #KV18RE001-A5871.pif.exe

  • Size

    149KB

  • MD5

    25d8edcbfc7380216bb0ef29d66e8ff1

  • SHA1

    b24f4b08cf73da046421ec55b2520b1e89e9400b

  • SHA256

    fc960e98dee6286927405864b8d0f7044eb5241f3e8523fb186e44633ea4e303

  • SHA512

    0814f303286b6e42fc8ebf3cced57f1c5b52d9c83a41118b181a525c16d6da18a61119c8fc2c5a53102839de45727416bb9bea13638e798612b564baa893d0c2

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

    suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

  • Modifies Windows Firewall 1 TTPs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO #KV18RE001-A5871.pif.exe
    "C:\Users\Admin\AppData\Local\Temp\PO #KV18RE001-A5871.pif.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2484
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\PO #KV18RE001-A5871.pif.exe" "PO #KV18RE001-A5871.pif.exe" ENABLE
      2⤵
        PID:3432

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Modify Existing Service

    1
    T1031

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2484-115-0x0000000000E00000-0x0000000000E01000-memory.dmp
      Filesize

      4KB

    • memory/2484-117-0x0000000005610000-0x0000000005611000-memory.dmp
      Filesize

      4KB

    • memory/2484-118-0x00000000058C0000-0x00000000058C1000-memory.dmp
      Filesize

      4KB

    • memory/2484-119-0x00000000056B0000-0x00000000056BD000-memory.dmp
      Filesize

      52KB

    • memory/2484-120-0x0000000006150000-0x0000000006158000-memory.dmp
      Filesize

      32KB

    • memory/2484-121-0x0000000006670000-0x0000000006671000-memory.dmp
      Filesize

      4KB

    • memory/2484-123-0x00000000063A0000-0x00000000063A1000-memory.dmp
      Filesize

      4KB

    • memory/2484-124-0x0000000006340000-0x0000000006341000-memory.dmp
      Filesize

      4KB

    • memory/2484-125-0x0000000006570000-0x0000000006571000-memory.dmp
      Filesize

      4KB

    • memory/2484-126-0x0000000007000000-0x0000000007001000-memory.dmp
      Filesize

      4KB

    • memory/3432-122-0x0000000000000000-mapping.dmp