Analysis

  • max time kernel
    147s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 01:00

General

  • Target

    7218c51ff2529378fa8be83f6ecae77444c0d85c5581c9d7f4d40dd62c318ef7.exe

  • Size

    115KB

  • MD5

    84743b0c88be2cf9eb6874d119cd8299

  • SHA1

    5bba4db84815e84007e8828efa5ca6e46acd250a

  • SHA256

    7218c51ff2529378fa8be83f6ecae77444c0d85c5581c9d7f4d40dd62c318ef7

  • SHA512

    dce296849d40ecba1d158adbe2f672165feb02bb101bdcb911e7cf5ebe353213611d2a254bdfeeeb33a90560be535bb147df44353d9391f7a9b818d43eb7b7b5

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLS:P5eznsjsguGDFqGZ2rDLS

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).

  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7218c51ff2529378fa8be83f6ecae77444c0d85c5581c9d7f4d40dd62c318ef7.exe
    "C:\Users\Admin\AppData\Local\Temp\7218c51ff2529378fa8be83f6ecae77444c0d85c5581c9d7f4d40dd62c318ef7.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3380
    • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
      "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4208
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        PID:804
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 804 -s 80
          4⤵
          • Program crash
          PID:920
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4632
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          PID:4112
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 804 -ip 804
    1⤵
      PID:1492

    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

      828f1bad2eac80aefa6de958a7e5308d

      SHA1

      a653f6398e1ebdc1a97a12b1e41f2c46ea1a4306

      SHA256

      006694e607d29997a0a48c1ba125bf4f5608f0a13e2fe6d58c7aeb9714c541c5

      SHA512

      c7156f93b1b33436e380e882dbf73b2dff7aa34effdced9acfa1a9e5bef8091178ee919c2b4678655dae2d155c52fde3bbb391bfcdeab860f543c39dbfd9fa94

    • memory/3380-0-0x0000000074E72000-0x0000000074E73000-memory.dmp

      Filesize

      4KB

    • memory/3380-1-0x0000000074E70000-0x0000000075421000-memory.dmp

      Filesize

      5.7MB

    • memory/3380-2-0x0000000074E70000-0x0000000075421000-memory.dmp

      Filesize

      5.7MB

    • memory/3380-17-0x0000000074E70000-0x0000000075421000-memory.dmp

      Filesize

      5.7MB

    • memory/4208-19-0x0000000074E70000-0x0000000075421000-memory.dmp

      Filesize

      5.7MB

    • memory/4208-18-0x0000000074E70000-0x0000000075421000-memory.dmp

      Filesize

      5.7MB

    • memory/4208-28-0x0000000074E70000-0x0000000075421000-memory.dmp

      Filesize

      5.7MB

    • memory/4632-20-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/4632-26-0x0000000074E70000-0x0000000075421000-memory.dmp

      Filesize

      5.7MB

    • memory/4632-27-0x0000000074E70000-0x0000000075421000-memory.dmp

      Filesize

      5.7MB

    • memory/4632-29-0x0000000074E70000-0x0000000075421000-memory.dmp

      Filesize

      5.7MB