Overview

overview

10

Static

static

50577B8D20...68.exe

windows7_x64

10

50577B8D20...68.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10_x64
  • resource
    win10-en
  • submitted
    11-09-2021 10:25

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General

  • Target

    50577B8D20E216E731721C76975564AB1A6FEEB16B168.exe

  • Size

    258KB

  • MD5

    303c6c4a9296d2eb2346f3c457465556

  • SHA1

    0d0432b65763d233b7369019ba1ab7bc9ff4209f

  • SHA256

    50577b8d20e216e731721c76975564ab1a6feeb16b168d7ff09e6e38b3eec0b0

  • SHA512

    1fcb0939ebf6ac84c0f9d954437ebf63676d93465bb0f0a0763da253cc2025ec135720217476acfae8b3b8e7947a27bd1a4fda931be2cca01022912c05e98226

Score
10/10
njratevasionpersistencetrojan

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\50577B8D20E216E731721C76975564AB1A6FEEB16B168.exe
    "C:\Users\Admin\AppData\Local\Temp\50577B8D20E216E731721C76975564AB1A6FEEB16B168.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3908
    • C:\ProgramData\taskhost.exe
      "C:\ProgramData\taskhost.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1020
      • C:\Windows\SYSTEM32\netsh.exe
        netsh firewall add allowedprogram "C:\ProgramData\taskhost.exe" "taskhost.exe" ENABLE
        3⤵
          PID:2900

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Modify Existing Service

    1
    T1031

    Registry Run Keys / Startup Folder

    1
    T1060

    Privilege Escalation

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Discovery

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • C:\ProgramData\taskhost.exe
      MD5

      303c6c4a9296d2eb2346f3c457465556

      SHA1

      0d0432b65763d233b7369019ba1ab7bc9ff4209f

      SHA256

      50577b8d20e216e731721c76975564ab1a6feeb16b168d7ff09e6e38b3eec0b0

      SHA512

      1fcb0939ebf6ac84c0f9d954437ebf63676d93465bb0f0a0763da253cc2025ec135720217476acfae8b3b8e7947a27bd1a4fda931be2cca01022912c05e98226

      Download Submit
    • C:\ProgramData\taskhost.exe
      MD5

      303c6c4a9296d2eb2346f3c457465556

      SHA1

      0d0432b65763d233b7369019ba1ab7bc9ff4209f

      SHA256

      50577b8d20e216e731721c76975564ab1a6feeb16b168d7ff09e6e38b3eec0b0

      SHA512

      1fcb0939ebf6ac84c0f9d954437ebf63676d93465bb0f0a0763da253cc2025ec135720217476acfae8b3b8e7947a27bd1a4fda931be2cca01022912c05e98226

      Download Submit
    • memory/1020-116-0x0000000000000000-mapping.dmp
      Download
    • memory/1020-119-0x00000000027A0000-0x00000000027A2000-memory.dmp
      Filesize

      8KB

      Download
    • memory/2900-120-0x0000000000000000-mapping.dmp
      Download
    • memory/3908-115-0x0000000002EF0000-0x0000000002EF2000-memory.dmp
      Filesize

      8KB

      Download