Analysis

  • max time kernel
    117s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    11-11-2024 15:26

General

  • Target

    13e1f58a8d9d0c126e77d8f4efaba653dd478041296d6b1d24e442171e169bfc.exe

  • Size

    113KB

  • MD5

    6256aa1c6e6d1b23c02ea71c3852aad7

  • SHA1

    987a3e9a1375ec4c1bb4bd1b87aa280aabc8dbb8

  • SHA256

    13e1f58a8d9d0c126e77d8f4efaba653dd478041296d6b1d24e442171e169bfc

  • SHA512

    ecda38c546b57d41369b51c4e78c2d7bdf0fc26211454ce99cd5b10a0f554bd720d95a927680d3aba435daf4bfc9fc2db500a8f84cb0074e109416025c6208ac

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73R9:w5eznsjsguGDFqGx8egoxmO3rR9

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 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 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\13e1f58a8d9d0c126e77d8f4efaba653dd478041296d6b1d24e442171e169bfc.exe
    "C:\Users\Admin\AppData\Local\Temp\13e1f58a8d9d0c126e77d8f4efaba653dd478041296d6b1d24e442171e169bfc.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3032
    • 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:2912
      • 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:1752
        • 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:2588

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    113KB

    MD5

    2a22cc64adc133b9e73e3fce406d4e6d

    SHA1

    fa785abb46ff02d4c20ffdab5a4e4dd0901db14a

    SHA256

    5a32a5a4a8fd6b26fda145afc49e72876ffb9a03a4832d29e61838835252bc2a

    SHA512

    a4f88594a4be86b801b33e99cc9b345bf4aa78ee653832d8ffa941b7c2b138a9c8494dd175ecd14436f0a43ee27390c337c77f0a0725290cbc230d0a1e262613

  • memory/1752-25-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1752-23-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1752-20-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2912-18-0x0000000074C60000-0x000000007520B000-memory.dmp

    Filesize

    5.7MB

  • memory/2912-17-0x0000000074C60000-0x000000007520B000-memory.dmp

    Filesize

    5.7MB

  • memory/2912-19-0x0000000074C60000-0x000000007520B000-memory.dmp

    Filesize

    5.7MB

  • memory/2912-26-0x0000000074C60000-0x000000007520B000-memory.dmp

    Filesize

    5.7MB

  • memory/3032-16-0x0000000074C60000-0x000000007520B000-memory.dmp

    Filesize

    5.7MB

  • memory/3032-0-0x0000000074C61000-0x0000000074C62000-memory.dmp

    Filesize

    4KB

  • memory/3032-6-0x0000000074C60000-0x000000007520B000-memory.dmp

    Filesize

    5.7MB

  • memory/3032-2-0x0000000074C60000-0x000000007520B000-memory.dmp

    Filesize

    5.7MB

  • memory/3032-1-0x0000000074C60000-0x000000007520B000-memory.dmp

    Filesize

    5.7MB