Analysis

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

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-08-2024 21:24

General

  • Target

    5e6a4d71343b05a57bb904224619fbb47038cfaed1d82ea1a8bb744598d67849.exe

  • Size

    112KB

  • MD5

    a7903da9c239f2936348b051fc3b6952

  • SHA1

    746213e786722794d6db2c51bd4590698059d38f

  • SHA256

    5e6a4d71343b05a57bb904224619fbb47038cfaed1d82ea1a8bb744598d67849

  • SHA512

    f5194be2d33741e6055cd6eb5fca51674b15754f856024b71653da148bd695346f20bceb35820eb98ea72910d12a8b6a68c6d3db302545acdbe0c5a0f95f21fd

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73w:w5eznsjsguGDFqGx8egoxmO3rw

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\5e6a4d71343b05a57bb904224619fbb47038cfaed1d82ea1a8bb744598d67849.exe
    "C:\Users\Admin\AppData\Local\Temp\5e6a4d71343b05a57bb904224619fbb47038cfaed1d82ea1a8bb744598d67849.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3500
    • 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:652
      • 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:2396
        • 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:2116

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

    112KB

    MD5

    d9767f373a8fa4d6b3f34988d150b91c

    SHA1

    fbbe83678a60da0a493649be72682f3003b65918

    SHA256

    62ceaa25085525854a6ae44b4886f4e7cf0ccbfb4ccf61cf7051c7a60279aa34

    SHA512

    bf1dc96f84eae4de6bf0bee34421bae3a0701dd8238a1287ffd0ad773a54fe9ef800edd9a92236b9ef552805cbbdfd95ab53581c65087bb13ebd4eb0222468ed

  • memory/652-29-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/652-21-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/652-22-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/652-23-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/2396-28-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/2396-24-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2396-30-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/2396-31-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/2396-32-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/2396-33-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/3500-19-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/3500-2-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/3500-7-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/3500-20-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/3500-6-0x0000000074AD2000-0x0000000074AD3000-memory.dmp

    Filesize

    4KB

  • memory/3500-0-0x0000000074AD2000-0x0000000074AD3000-memory.dmp

    Filesize

    4KB

  • memory/3500-1-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB