Analysis

  • max time kernel
    114s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-08-2024 01:18

General

  • Target

    b696d6a0ee5f42c2161f46fca4f61040N.exe

  • Size

    111KB

  • MD5

    b696d6a0ee5f42c2161f46fca4f61040

  • SHA1

    18ada5e9e632487aacd8f6608697f171a8da914d

  • SHA256

    99928c4db34d0eef8bbc62f5e5b99af78dbbe2a144dcfa2eaf6c7feec9ebac7c

  • SHA512

    fbc346e9437359f9a25d191994d63a7363097d8fbc3d308a59493a32eff0934077b782ccf75a6b1eb250307481c0fbc8e88a09a0ff4226da839ea3a7bb28564c

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73n:w5eznsjsguGDFqGx8egoxmO3rn

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 25 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b696d6a0ee5f42c2161f46fca4f61040N.exe
    "C:\Users\Admin\AppData\Local\Temp\b696d6a0ee5f42c2161f46fca4f61040N.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2912
    • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
      "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2512
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1964
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          PID:5028

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\chargeable.exe.log

    Filesize

    400B

    MD5

    0a9b4592cd49c3c21f6767c2dabda92f

    SHA1

    f534297527ae5ccc0ecb2221ddeb8e58daeb8b74

    SHA256

    c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd

    SHA512

    6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307

  • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe

    Filesize

    111KB

    MD5

    2265f24115a8a937bc59aba32fe3d3d5

    SHA1

    e8c431dbbfc50c9c5b71fc91c0236eb4671dd753

    SHA256

    e9f5ce3ee6dcdf85434f31ba1a0a7115a71fe3fa498724a64e88d26917a84446

    SHA512

    e422caebbe485bbb55d136d02f5e5976f322066a6e4197d96f48c3fe7737dc5e1725bd827e276ad76fd47c96d396af00cfe594da5a0d50b81d19b3f3ba8ed46d

  • memory/1964-19-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1964-23-0x0000000074660000-0x0000000074C11000-memory.dmp

    Filesize

    5.7MB

  • memory/1964-25-0x0000000074660000-0x0000000074C11000-memory.dmp

    Filesize

    5.7MB

  • memory/1964-26-0x0000000074660000-0x0000000074C11000-memory.dmp

    Filesize

    5.7MB

  • memory/2512-17-0x0000000074660000-0x0000000074C11000-memory.dmp

    Filesize

    5.7MB

  • memory/2512-18-0x0000000074660000-0x0000000074C11000-memory.dmp

    Filesize

    5.7MB

  • memory/2512-24-0x0000000074660000-0x0000000074C11000-memory.dmp

    Filesize

    5.7MB

  • memory/2912-0-0x0000000074662000-0x0000000074663000-memory.dmp

    Filesize

    4KB

  • memory/2912-1-0x0000000074660000-0x0000000074C11000-memory.dmp

    Filesize

    5.7MB

  • memory/2912-16-0x0000000074660000-0x0000000074C11000-memory.dmp

    Filesize

    5.7MB