Analysis

  • max time kernel
    147s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-08-2024 10:06

General

  • Target

    178bd89f9113e4ca4f35458e9c779116.exe

  • Size

    117KB

  • MD5

    178bd89f9113e4ca4f35458e9c779116

  • SHA1

    f2b45ce58f29f18964a031578ddff51ab52033d2

  • SHA256

    bf2de56ca9ce6fc0b83d911ea86356d3338823d33630556de10878aeb3de0430

  • SHA512

    20b05ab4e9239f1d8fbdb309863913f0e0d47682b28da78a34341edce3bcf6c16f738682a47946eaf8a23851eba39941704bd7d0ed2ff3f5fd40dab6ead540df

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLZR:P5eznsjsguGDFqGZ2rDLH

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 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 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\178bd89f9113e4ca4f35458e9c779116.exe
    "C:\Users\Admin\AppData\Local\Temp\178bd89f9113e4ca4f35458e9c779116.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5076
    • 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:916
      • 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:4708
        • 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:4188
  • 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=1284,i,7447299413640964517,4240724842020506306,262144 --variations-seed-version --mojo-platform-channel-handle=4408 /prefetch:8
    1⤵
      PID:2400

    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

      117KB

      MD5

      a215f112cf071f707ac8fe39530c2223

      SHA1

      3fb4f0bf348121e3c349d0ac56429d37a70b80f2

      SHA256

      dbbd215d81e90bca0287f6dba204ef11efd24e37e304cc256b50b552e443e0d4

      SHA512

      5b2da5b96907e87c80d666354c94ceeca4bf9e29d66779d489a0747a01ea94cff284cf5991dedb547ccca044f066af1c0c91a26a1c9772da71927ec52052685d

    • memory/916-28-0x0000000075360000-0x0000000075911000-memory.dmp

      Filesize

      5.7MB

    • memory/916-20-0x0000000075360000-0x0000000075911000-memory.dmp

      Filesize

      5.7MB

    • memory/916-21-0x0000000075360000-0x0000000075911000-memory.dmp

      Filesize

      5.7MB

    • memory/4708-22-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/4708-26-0x0000000075360000-0x0000000075911000-memory.dmp

      Filesize

      5.7MB

    • memory/4708-27-0x0000000075360000-0x0000000075911000-memory.dmp

      Filesize

      5.7MB

    • memory/4708-29-0x0000000075360000-0x0000000075911000-memory.dmp

      Filesize

      5.7MB

    • memory/4708-30-0x0000000075360000-0x0000000075911000-memory.dmp

      Filesize

      5.7MB

    • memory/4708-31-0x0000000075360000-0x0000000075911000-memory.dmp

      Filesize

      5.7MB

    • memory/5076-2-0x0000000075360000-0x0000000075911000-memory.dmp

      Filesize

      5.7MB

    • memory/5076-19-0x0000000075360000-0x0000000075911000-memory.dmp

      Filesize

      5.7MB

    • memory/5076-7-0x0000000075360000-0x0000000075911000-memory.dmp

      Filesize

      5.7MB

    • memory/5076-6-0x0000000075362000-0x0000000075363000-memory.dmp

      Filesize

      4KB

    • memory/5076-1-0x0000000075360000-0x0000000075911000-memory.dmp

      Filesize

      5.7MB

    • memory/5076-0-0x0000000075362000-0x0000000075363000-memory.dmp

      Filesize

      4KB