Analysis

  • max time kernel
    115s
  • max time network
    109s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-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
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 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 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b696d6a0ee5f42c2161f46fca4f61040N.exe
    "C:\Users\Admin\AppData\Local\Temp\b696d6a0ee5f42c2161f46fca4f61040N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2520
    • 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:2364
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        PID:2876
      • 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:2100
        • 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:2600

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    111KB

    MD5

    38ff07928794c8f0b536f71f64bbc2b7

    SHA1

    38b153146d8a0ac408f117e330e4219dcd1eec78

    SHA256

    d7d247d7b7f3c98423034b9563bf87e7f4cc6bfd869ab5eecff262bcc0eff1dc

    SHA512

    8778400970c97052ea3061c9671327361c2e2943d1b7cec1217eab449bb3bb26cb04f3f472133183b52c438ea88fb1f4fa8d378092a9be6f6df047d3922b84bd

  • memory/2100-24-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2100-22-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2100-19-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2364-16-0x0000000074510000-0x0000000074ABB000-memory.dmp

    Filesize

    5.7MB

  • memory/2364-15-0x0000000074510000-0x0000000074ABB000-memory.dmp

    Filesize

    5.7MB

  • memory/2364-18-0x0000000074510000-0x0000000074ABB000-memory.dmp

    Filesize

    5.7MB

  • memory/2364-25-0x0000000074510000-0x0000000074ABB000-memory.dmp

    Filesize

    5.7MB

  • memory/2364-28-0x0000000074510000-0x0000000074ABB000-memory.dmp

    Filesize

    5.7MB

  • memory/2520-2-0x0000000074510000-0x0000000074ABB000-memory.dmp

    Filesize

    5.7MB

  • memory/2520-1-0x0000000074510000-0x0000000074ABB000-memory.dmp

    Filesize

    5.7MB

  • memory/2520-17-0x0000000074510000-0x0000000074ABB000-memory.dmp

    Filesize

    5.7MB

  • memory/2520-0-0x0000000074511000-0x0000000074512000-memory.dmp

    Filesize

    4KB