Analysis

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

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-08-2024 05:10

General

  • Target

    0dcc21bdebe05957ca2922be486abe22.exe

  • Size

    110KB

  • MD5

    0dcc21bdebe05957ca2922be486abe22

  • SHA1

    8bcbd8a839a58e0050c17221e6a1cc775f07586b

  • SHA256

    73304b5c73a1c90b192c8748348509c213890807d3ca34b08c8fb84652b0cbd3

  • SHA512

    0752ba22340fd3383132243580cb28a147e67b42bb920af8c0fde491d550556fdfa296e70d94f2ce9798faddd0dad4664e2c2edda8f6604b9ba9e63e8f875e0f

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh737:w5eznsjsguGDFqGx8egoxmO3r7

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\0dcc21bdebe05957ca2922be486abe22.exe
    "C:\Users\Admin\AppData\Local\Temp\0dcc21bdebe05957ca2922be486abe22.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3292
    • 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:5100
      • 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:3972
        • 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:3432

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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

    110KB

    MD5

    603d4c4728884b75d777f3e6ef6842e4

    SHA1

    6591fd87b44611d465c52cf58adf45795718391c

    SHA256

    05d982015fd064a71a254e66204d5e153846b8d0a302570695f69e1e2f15ff64

    SHA512

    4b8b6b611572243fecc801e05a2e580a370f74e9d88c7188f74cb4b9755f0f560a4b67c847f2b1cb4efd7c3ea2c22bbeb932aaf48cf11b52860aec2ad83ea70b

  • memory/3292-1-0x00000000750A0000-0x0000000075651000-memory.dmp

    Filesize

    5.7MB

  • memory/3292-2-0x00000000750A0000-0x0000000075651000-memory.dmp

    Filesize

    5.7MB

  • memory/3292-17-0x00000000750A0000-0x0000000075651000-memory.dmp

    Filesize

    5.7MB

  • memory/3292-0-0x00000000750A2000-0x00000000750A3000-memory.dmp

    Filesize

    4KB

  • memory/3972-26-0x00000000750A0000-0x0000000075651000-memory.dmp

    Filesize

    5.7MB

  • memory/3972-28-0x00000000750A0000-0x0000000075651000-memory.dmp

    Filesize

    5.7MB

  • memory/3972-20-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/3972-25-0x00000000750A0000-0x0000000075651000-memory.dmp

    Filesize

    5.7MB

  • memory/3972-27-0x00000000750A0000-0x0000000075651000-memory.dmp

    Filesize

    5.7MB

  • memory/5100-19-0x00000000750A0000-0x0000000075651000-memory.dmp

    Filesize

    5.7MB

  • memory/5100-24-0x00000000750A0000-0x0000000075651000-memory.dmp

    Filesize

    5.7MB

  • memory/5100-18-0x00000000750A0000-0x0000000075651000-memory.dmp

    Filesize

    5.7MB