Analysis

  • max time kernel
    115s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-01-2025 20:27

General

  • Target

    3b0ecf0c426c85cb58e99915a19d243b2667a3c924aa9593764e0e66c796c092.exe

  • Size

    118KB

  • MD5

    747f3a6e36ed334e721c623027678174

  • SHA1

    2d91e0589b451e80cbba6c1076bca35dd76ae12a

  • SHA256

    3b0ecf0c426c85cb58e99915a19d243b2667a3c924aa9593764e0e66c796c092

  • SHA512

    b6c996d34ff130814f1085cd2525ced5564d5954869e4752477b635f74a4c2a53b4734ccb20b556728542d0f482afd2f7f1f3710698be81943af9ac910c53e85

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLf/:P5eznsjsguGDFqGZ2rDLf/

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Signatures

  • Njrat family
  • 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 25 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b0ecf0c426c85cb58e99915a19d243b2667a3c924aa9593764e0e66c796c092.exe
    "C:\Users\Admin\AppData\Local\Temp\3b0ecf0c426c85cb58e99915a19d243b2667a3c924aa9593764e0e66c796c092.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3180
    • 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:1972
      • 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:2744
        • 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:5076

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

    c512fcec79bb3d89b916473c460ae206

    SHA1

    13bf4ae5d762ce8b6451d2b31a57e0d880c83942

    SHA256

    80745959b92209c9f1aea51edb563bd769eee2c349190be1d275572f03f38f11

    SHA512

    bfce47a443ad65a150c0000db050f75e759c5fa06f980d277124ff968bc456bb20373d4fbf62b99322cc8156f3a965fccf338b0ce7f56a59ff893ddfa564912a

  • memory/1972-28-0x00000000750A0000-0x0000000075651000-memory.dmp

    Filesize

    5.7MB

  • memory/1972-21-0x00000000750A0000-0x0000000075651000-memory.dmp

    Filesize

    5.7MB

  • memory/1972-22-0x00000000750A0000-0x0000000075651000-memory.dmp

    Filesize

    5.7MB

  • memory/2744-27-0x00000000750A0000-0x0000000075651000-memory.dmp

    Filesize

    5.7MB

  • memory/2744-23-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2744-29-0x00000000750A0000-0x0000000075651000-memory.dmp

    Filesize

    5.7MB

  • memory/2744-30-0x00000000750A0000-0x0000000075651000-memory.dmp

    Filesize

    5.7MB

  • memory/3180-19-0x00000000750A0000-0x0000000075651000-memory.dmp

    Filesize

    5.7MB

  • memory/3180-20-0x00000000750A0000-0x0000000075651000-memory.dmp

    Filesize

    5.7MB

  • memory/3180-7-0x00000000750A0000-0x0000000075651000-memory.dmp

    Filesize

    5.7MB

  • memory/3180-6-0x00000000750A2000-0x00000000750A3000-memory.dmp

    Filesize

    4KB

  • memory/3180-2-0x00000000750A0000-0x0000000075651000-memory.dmp

    Filesize

    5.7MB

  • memory/3180-0-0x00000000750A2000-0x00000000750A3000-memory.dmp

    Filesize

    4KB

  • memory/3180-1-0x00000000750A0000-0x0000000075651000-memory.dmp

    Filesize

    5.7MB