Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    28-08-2024 21:54

General

  • Target

    4ecf642efaacb2436c6c50d67b4c13b412223e03c288318b6dbd06f3f142cf59.exe

  • Size

    112KB

  • MD5

    66dc5e2f50b0127d751a38e7ee662559

  • SHA1

    3df32baf65a27c3e2be0913bf695cc9fabcd21ae

  • SHA256

    4ecf642efaacb2436c6c50d67b4c13b412223e03c288318b6dbd06f3f142cf59

  • SHA512

    52ae840cd96a4e47f20567d0e3ab0bd747ba59b04f52c3c738bf87a0f48b83464eb9a449640de2ad680bd6f64c58a922d64e5a62de81945e262751a54d28fcd1

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73r:w5eznsjsguGDFqGx8egoxmO3rr

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 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 33 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4ecf642efaacb2436c6c50d67b4c13b412223e03c288318b6dbd06f3f142cf59.exe
    "C:\Users\Admin\AppData\Local\Temp\4ecf642efaacb2436c6c50d67b4c13b412223e03c288318b6dbd06f3f142cf59.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2560
    • 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:2856
      • 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:1412
        • 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:2824

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    112KB

    MD5

    2ad21242f1f34f03e74cefb084afbb58

    SHA1

    327e3e27e29c970e2ada0bb230f60e883ed371e0

    SHA256

    1e71177ba0e6349f7ae66a87f9f0fdfc0d64261f8ec17bc7b1647101b0d202ec

    SHA512

    887c004ffc3e10148647e49c37220a2ec412abf674d72c33037ed9790d01e56d69ea6de5cb392286e160f0b3bb3aae0e3b9e740a18d9b568e1ff5255e6d0501b

  • memory/1412-23-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1412-21-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1412-18-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2560-0-0x0000000074BB1000-0x0000000074BB2000-memory.dmp

    Filesize

    4KB

  • memory/2560-1-0x0000000074BB0000-0x000000007515B000-memory.dmp

    Filesize

    5.7MB

  • memory/2560-2-0x0000000074BB0000-0x000000007515B000-memory.dmp

    Filesize

    5.7MB

  • memory/2560-15-0x0000000074BB0000-0x000000007515B000-memory.dmp

    Filesize

    5.7MB

  • memory/2856-16-0x0000000074BB0000-0x000000007515B000-memory.dmp

    Filesize

    5.7MB

  • memory/2856-17-0x0000000074BB0000-0x000000007515B000-memory.dmp

    Filesize

    5.7MB

  • memory/2856-24-0x0000000074BB0000-0x000000007515B000-memory.dmp

    Filesize

    5.7MB

  • memory/2856-25-0x0000000074BB0000-0x000000007515B000-memory.dmp

    Filesize

    5.7MB