Analysis

  • max time kernel
    115s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/12/2024, 15:06

General

  • Target

    6ad1c6ee1bd94e8f745584f57e7628a4747dd784441e63464166971508c4e737.exe

  • Size

    115KB

  • MD5

    898a790672195b8f15d6216d5d6b777c

  • SHA1

    3d50099132b42da69f458e99af9abf3f893fb4a7

  • SHA256

    6ad1c6ee1bd94e8f745584f57e7628a4747dd784441e63464166971508c4e737

  • SHA512

    088411c42aa10b71cc217087b3ed93fcf06b5066f9d36e81277b3ca8afcc11521d728f1485a726fd96a039c0f7dec3406fac325dfac9916f916e86f76ad8a953

  • 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
  • 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\6ad1c6ee1bd94e8f745584f57e7628a4747dd784441e63464166971508c4e737.exe
    "C:\Users\Admin\AppData\Local\Temp\6ad1c6ee1bd94e8f745584f57e7628a4747dd784441e63464166971508c4e737.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1792
    • 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:3864
      • 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:3684
        • 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:2716

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        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

          115KB

          MD5

          744c510dfc4fa9813c243a5762e11b11

          SHA1

          03065ad83108f3544f31c5aab76c212620821538

          SHA256

          8cbe2f1452d318235fcd1e5847dd434013f92469f5164d4a1394115142c5c644

          SHA512

          15fcc448a356f92cca04399d99fcc0213361b5393a40db1bf415831fefefb8c10b23ddd6ec6b59dca7a432bfd01b64380f59979aa1c56b8d5bd7d689a8b84071

        • memory/1792-7-0x0000000074880000-0x0000000074E31000-memory.dmp

          Filesize

          5.7MB

        • memory/1792-1-0x0000000074880000-0x0000000074E31000-memory.dmp

          Filesize

          5.7MB

        • memory/1792-0-0x0000000074882000-0x0000000074883000-memory.dmp

          Filesize

          4KB

        • memory/1792-2-0x0000000074880000-0x0000000074E31000-memory.dmp

          Filesize

          5.7MB

        • memory/1792-19-0x0000000074880000-0x0000000074E31000-memory.dmp

          Filesize

          5.7MB

        • memory/1792-20-0x0000000074880000-0x0000000074E31000-memory.dmp

          Filesize

          5.7MB

        • memory/1792-6-0x0000000074882000-0x0000000074883000-memory.dmp

          Filesize

          4KB

        • memory/3684-24-0x0000000000400000-0x000000000040C000-memory.dmp

          Filesize

          48KB

        • memory/3684-29-0x0000000074880000-0x0000000074E31000-memory.dmp

          Filesize

          5.7MB

        • memory/3684-30-0x0000000074880000-0x0000000074E31000-memory.dmp

          Filesize

          5.7MB

        • memory/3684-31-0x0000000074880000-0x0000000074E31000-memory.dmp

          Filesize

          5.7MB

        • memory/3864-22-0x0000000074880000-0x0000000074E31000-memory.dmp

          Filesize

          5.7MB

        • memory/3864-23-0x0000000074880000-0x0000000074E31000-memory.dmp

          Filesize

          5.7MB

        • memory/3864-21-0x0000000074880000-0x0000000074E31000-memory.dmp

          Filesize

          5.7MB

        • memory/3864-28-0x0000000074880000-0x0000000074E31000-memory.dmp

          Filesize

          5.7MB