Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-08-2024 01:42

General

  • Target

    bb83795052eaa51be80400ae78af06f3d236b6e10e5abf6e26e26397e1573be6.exe

  • Size

    117KB

  • MD5

    768717b099b487b74d2008800bc506c1

  • SHA1

    3e1fb225aef46734c07cf3c7ae5d027a78ac118f

  • SHA256

    bb83795052eaa51be80400ae78af06f3d236b6e10e5abf6e26e26397e1573be6

  • SHA512

    e7554cca931bf5218215fe490c65452837c0fe7c0f2e4f837c3139b2797200f54c102d3041c844dc88dfe6b3a1f247cb4f874b6e6b3c9dad64f9a0f5be491b07

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLZ/61:P5eznsjsguGDFqGZ2rDLZ/Q

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\bb83795052eaa51be80400ae78af06f3d236b6e10e5abf6e26e26397e1573be6.exe
    "C:\Users\Admin\AppData\Local\Temp\bb83795052eaa51be80400ae78af06f3d236b6e10e5abf6e26e26397e1573be6.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2720
    • 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:408
      • 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:1920
        • 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:4392

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

    118KB

    MD5

    7200339855f1b9e9e2079789285c0362

    SHA1

    2d15a634babf33884c09ca4d7c2821c6ee7dc1f4

    SHA256

    b4911e4e5ad30f3fe44f742a26c47212ab07a156497dafa0b90a3249efc61525

    SHA512

    e04ad716c73200cf8fc7b33137b85f3bb878ca83deb68e0c7d6f5b1fd409e623c46d467bc45117549bdfcb46ecab80aa82bc47b4a48b42357caecde6d8a0baef

  • memory/408-18-0x0000000074CF0000-0x00000000752A1000-memory.dmp

    Filesize

    5.7MB

  • memory/408-19-0x0000000074CF0000-0x00000000752A1000-memory.dmp

    Filesize

    5.7MB

  • memory/408-25-0x0000000074CF0000-0x00000000752A1000-memory.dmp

    Filesize

    5.7MB

  • memory/1920-20-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1920-24-0x0000000074CF0000-0x00000000752A1000-memory.dmp

    Filesize

    5.7MB

  • memory/1920-26-0x0000000074CF0000-0x00000000752A1000-memory.dmp

    Filesize

    5.7MB

  • memory/1920-27-0x0000000074CF0000-0x00000000752A1000-memory.dmp

    Filesize

    5.7MB

  • memory/2720-2-0x0000000074CF0000-0x00000000752A1000-memory.dmp

    Filesize

    5.7MB

  • memory/2720-0-0x0000000074CF2000-0x0000000074CF3000-memory.dmp

    Filesize

    4KB

  • memory/2720-17-0x0000000074CF0000-0x00000000752A1000-memory.dmp

    Filesize

    5.7MB

  • memory/2720-1-0x0000000074CF0000-0x00000000752A1000-memory.dmp

    Filesize

    5.7MB