Overview

overview

10

Static

static

0eac2b7a8b...55.exe

windows7_x64

10

0eac2b7a8b...55.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    10s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    14-12-2020 13:36

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General

  • Target

    0eac2b7a8bc6e887fd9b8e0a8371f755.exe

  • Size

    23KB

  • MD5

    0eac2b7a8bc6e887fd9b8e0a8371f755

  • SHA1

    f507b89f8c3e335f548216a9ce9d6dd778451b40

  • SHA256

    1299622eef5b6945e51617274abbade793a7de8cd2fb21d5c3830aeb6e32ee73

  • SHA512

    400c0bd0554aeac55fc65c3f2dd9849b1515f621d53079d4fd43eaa8cfa4c9c01adf0fbd9b8da5456a03c97cf34ebb1f1ffde7913bac7514778d43ad06dda520

Score
10/10
njratwordevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

word

C2

127.0.0.1:5552

Mutex

423f911702a6d9f50203acbcc3b5f95e

Attributes
  • reg_key

    423f911702a6d9f50203acbcc3b5f95e

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Loads dropped DLL 1 IoCs
  • 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 31 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0eac2b7a8bc6e887fd9b8e0a8371f755.exe
    "C:\Users\Admin\AppData\Local\Temp\0eac2b7a8bc6e887fd9b8e0a8371f755.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Users\Admin\AppData\Local\Temp\world.exe
      "C:\Users\Admin\AppData\Local\Temp\world.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1344
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\world.exe" "world.exe" ENABLE
        3⤵
          PID:864

    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:\Users\Admin\AppData\Local\Temp\world.exe
      MD5

      0eac2b7a8bc6e887fd9b8e0a8371f755

      SHA1

      f507b89f8c3e335f548216a9ce9d6dd778451b40

      SHA256

      1299622eef5b6945e51617274abbade793a7de8cd2fb21d5c3830aeb6e32ee73

      SHA512

      400c0bd0554aeac55fc65c3f2dd9849b1515f621d53079d4fd43eaa8cfa4c9c01adf0fbd9b8da5456a03c97cf34ebb1f1ffde7913bac7514778d43ad06dda520

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\world.exe
      MD5

      0eac2b7a8bc6e887fd9b8e0a8371f755

      SHA1

      f507b89f8c3e335f548216a9ce9d6dd778451b40

      SHA256

      1299622eef5b6945e51617274abbade793a7de8cd2fb21d5c3830aeb6e32ee73

      SHA512

      400c0bd0554aeac55fc65c3f2dd9849b1515f621d53079d4fd43eaa8cfa4c9c01adf0fbd9b8da5456a03c97cf34ebb1f1ffde7913bac7514778d43ad06dda520

      Download Submit
    • \Users\Admin\AppData\Local\Temp\world.exe
      MD5

      0eac2b7a8bc6e887fd9b8e0a8371f755

      SHA1

      f507b89f8c3e335f548216a9ce9d6dd778451b40

      SHA256

      1299622eef5b6945e51617274abbade793a7de8cd2fb21d5c3830aeb6e32ee73

      SHA512

      400c0bd0554aeac55fc65c3f2dd9849b1515f621d53079d4fd43eaa8cfa4c9c01adf0fbd9b8da5456a03c97cf34ebb1f1ffde7913bac7514778d43ad06dda520

      Download Submit
    • memory/864-6-0x0000000000000000-mapping.dmp
      Download
    • memory/1344-3-0x0000000000000000-mapping.dmp
      Download