Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-08-2024 04:15

General

  • Target

    f45517c9e224d5ded7c3440f1247c20f464fdc1e2391ba371ac2a2a940eb286f.exe

  • Size

    116KB

  • MD5

    2aa632496e8fcc2d350f40fc2c783454

  • SHA1

    ce2b94d7a3a8f1f10b294bf614d05636d38b65ea

  • SHA256

    f45517c9e224d5ded7c3440f1247c20f464fdc1e2391ba371ac2a2a940eb286f

  • SHA512

    c30dd0d9463d619036961b8338eb13d9d9b5b5f7b5ebacb90a72bd1e3e32b6b064024c8a018d16b6dcad9d9cb687e1e6f610a96a3b826d650d7fae1868e31b5a

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLi:P5eznsjsguGDFqGZ2rDLi

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 3 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.

  • Program crash 1 IoCs
  • 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 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f45517c9e224d5ded7c3440f1247c20f464fdc1e2391ba371ac2a2a940eb286f.exe
    "C:\Users\Admin\AppData\Local\Temp\f45517c9e224d5ded7c3440f1247c20f464fdc1e2391ba371ac2a2a940eb286f.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1508
    • 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:1068
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        PID:3028
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3028 -s 80
          4⤵
          • Program crash
          PID:4336
      • 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:452
        • 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:1808
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4156,i,9445584274764997943,12714240264001792460,262144 --variations-seed-version --mojo-platform-channel-handle=4032 /prefetch:8
    1⤵
      PID:220
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3028 -ip 3028
      1⤵
        PID:4296

      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

        116KB

        MD5

        4acd08841254f56c60e8af370619477f

        SHA1

        9b39731cbbaeb1174b39fa85616364477ee22c8d

        SHA256

        092fc93e71644905fc2d803f697555bfd025e17a3b653a8f7da2f1c4c9890fda

        SHA512

        36717e09f31690b68fb2d2be52e8066832cbdef4551def4cbf179ce18b032d28ef1e0d013e4405ee6286c5e89ee05f0f716f18af967720893ab8b4a400842c2f

      • memory/452-26-0x0000000074BE0000-0x0000000075191000-memory.dmp

        Filesize

        5.7MB

      • memory/452-20-0x0000000000400000-0x000000000040C000-memory.dmp

        Filesize

        48KB

      • memory/452-28-0x0000000074BE0000-0x0000000075191000-memory.dmp

        Filesize

        5.7MB

      • memory/452-29-0x0000000074BE0000-0x0000000075191000-memory.dmp

        Filesize

        5.7MB

      • memory/1068-18-0x0000000074BE0000-0x0000000075191000-memory.dmp

        Filesize

        5.7MB

      • memory/1068-19-0x0000000074BE0000-0x0000000075191000-memory.dmp

        Filesize

        5.7MB

      • memory/1068-27-0x0000000074BE0000-0x0000000075191000-memory.dmp

        Filesize

        5.7MB

      • memory/1508-2-0x0000000074BE0000-0x0000000075191000-memory.dmp

        Filesize

        5.7MB

      • memory/1508-17-0x0000000074BE0000-0x0000000075191000-memory.dmp

        Filesize

        5.7MB

      • memory/1508-1-0x0000000074BE0000-0x0000000075191000-memory.dmp

        Filesize

        5.7MB

      • memory/1508-0-0x0000000074BE2000-0x0000000074BE3000-memory.dmp

        Filesize

        4KB