Analysis

  • max time kernel
    146s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 09:45

General

  • Target

    ebef7fb293665916480c94ed4867f973995a46248b1944647571ec5ef67f2dba.exe

  • Size

    113KB

  • MD5

    923f7f7f3535f2fe2851eb2429a7b0e9

  • SHA1

    4ae271a1518bfbafca8d5d3601ec21d317944724

  • SHA256

    ebef7fb293665916480c94ed4867f973995a46248b1944647571ec5ef67f2dba

  • SHA512

    cab6d7f4df9f8de70f31f9829edccb459eabd81d8f5f71597fe669b879ff44d56b66a8ce7cd2a0efd96c719f4a93728de01c557e781261591980362448dbd7ce

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuM8e:P5eznsjsguGDFqGZ2rn

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).

  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ebef7fb293665916480c94ed4867f973995a46248b1944647571ec5ef67f2dba.exe
    "C:\Users\Admin\AppData\Local\Temp\ebef7fb293665916480c94ed4867f973995a46248b1944647571ec5ef67f2dba.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1724
    • 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:3388
      • 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:3184
        • 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:3368

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

    113KB

    MD5

    c578deb84eeb166bace34ac3bbd3535f

    SHA1

    cc3343d96d1fe8941623ac2cd13e3656b9b5e92c

    SHA256

    7d5c84818a389b8cfb3cf1ad17447a9b8a3befdbf0e397eb32413119934707b1

    SHA512

    048d242e1c1e14ebf8e8173e381d2539af63c5e953d674b83cdcc5cf5abf7b7dbd0725921e0534b1e02d8e3a3acec67de91ef68924b496b2a044e01cf6d15aa1

  • memory/1724-1-0x0000000074B20000-0x00000000750D1000-memory.dmp

    Filesize

    5.7MB

  • memory/1724-2-0x0000000074B20000-0x00000000750D1000-memory.dmp

    Filesize

    5.7MB

  • memory/1724-0-0x0000000074B22000-0x0000000074B23000-memory.dmp

    Filesize

    4KB

  • memory/1724-17-0x0000000074B20000-0x00000000750D1000-memory.dmp

    Filesize

    5.7MB

  • memory/3184-24-0x0000000074B20000-0x00000000750D1000-memory.dmp

    Filesize

    5.7MB

  • memory/3184-20-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/3184-26-0x0000000074B20000-0x00000000750D1000-memory.dmp

    Filesize

    5.7MB

  • memory/3184-27-0x0000000074B20000-0x00000000750D1000-memory.dmp

    Filesize

    5.7MB

  • memory/3184-28-0x0000000074B20000-0x00000000750D1000-memory.dmp

    Filesize

    5.7MB

  • memory/3388-19-0x0000000074B20000-0x00000000750D1000-memory.dmp

    Filesize

    5.7MB

  • memory/3388-18-0x0000000074B20000-0x00000000750D1000-memory.dmp

    Filesize

    5.7MB

  • memory/3388-25-0x0000000074B20000-0x00000000750D1000-memory.dmp

    Filesize

    5.7MB