Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-05-2024 10:53

General

  • Target

    807fdc437e03d6c168792b8773e4f73c_JaffaCakes118.exe

  • Size

    923KB

  • MD5

    807fdc437e03d6c168792b8773e4f73c

  • SHA1

    2b593b3505b09aa2a322a8aab3c20161b461dd23

  • SHA256

    3401c787e69edb72ca1216677ec2e0adb3c51db92c03dc88fa4f11e046e727d0

  • SHA512

    fd4ab96c99c80d8ba23a6dce61471aa2544c2778236bca5f2010d196509e53ca8288cc4f89d79d5b54d90e8da6ab801a0b62e50ca859ea826a4ef17aaeae04d8

  • SSDEEP

    12288:SdjX6gJi4/KolPowKqRwzR+3uFnBHR1b536JEDwJ7BYfQphPqfEosRZihYFhyQB6:hQQQwdt1NfZTQ+iilL848

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Drops file in Drivers directory 1 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\807fdc437e03d6c168792b8773e4f73c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\807fdc437e03d6c168792b8773e4f73c_JaffaCakes118.exe"
    1⤵
    • Drops file in Drivers directory
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3396
    • C:\Users\Admin\AppData\Roaming\Refract's Crypter.exe
      "C:\Users\Admin\AppData\Roaming\Refract's Crypter.exe"
      2⤵
      • Executes dropped EXE
      PID:3304
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1736
      • C:\Users\Admin\AppData\Roaming\Refract's Crypter.exe
        "C:\Users\Admin\AppData\Roaming\Refract's Crypter.exe"
        3⤵
        • Executes dropped EXE
        PID:3492
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:4880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\server.exe

    Filesize

    923KB

    MD5

    807fdc437e03d6c168792b8773e4f73c

    SHA1

    2b593b3505b09aa2a322a8aab3c20161b461dd23

    SHA256

    3401c787e69edb72ca1216677ec2e0adb3c51db92c03dc88fa4f11e046e727d0

    SHA512

    fd4ab96c99c80d8ba23a6dce61471aa2544c2778236bca5f2010d196509e53ca8288cc4f89d79d5b54d90e8da6ab801a0b62e50ca859ea826a4ef17aaeae04d8

  • C:\Users\Admin\AppData\Roaming\Refract's Crypter.exe

    Filesize

    188KB

    MD5

    23c6fa4e6b94422381302678a73d5785

    SHA1

    7b256feacff6e7fcf84e6b6a17b41b708dd3dafe

    SHA256

    b0b8d725b442e2538fb40fd84cc3e57c27d6d1334160ac2821796d85ec3cb65b

    SHA512

    90661f2cf725f69b7ef06fb22175be80bd71a607e115181e3ba9042adbf4809fd6e424fcbc304c5af5b7cd5d18d06deec2dd98f0ee64c15be0894f936f1d5330

  • C:\Windows\system32\drivers\etc\hosts

    Filesize

    1KB

    MD5

    8ad47ca87e369fe1cbfc72ebe3769cd6

    SHA1

    1f1dd4b1ea53685e8f7b7e6c29a16d49918be357

    SHA256

    46ff91e5cd6370fdc14b6ef95497f2b8016cc439b4fe9640b3249190cfa091d5

    SHA512

    a59eeb822a6b9d0a7d12455f01f486cd969710880c379c8d7ba42b371480b2c29fa26989d20c1998bf568224d8131cbb5b7de97c254ca96ac53b6c141d62a412

  • memory/1736-44-0x0000000075510000-0x0000000075AC1000-memory.dmp

    Filesize

    5.7MB

  • memory/1736-43-0x0000000075512000-0x0000000075514000-memory.dmp

    Filesize

    8KB

  • memory/1736-37-0x0000000075510000-0x0000000075AC1000-memory.dmp

    Filesize

    5.7MB

  • memory/1736-38-0x0000000075510000-0x0000000075AC1000-memory.dmp

    Filesize

    5.7MB

  • memory/1736-35-0x0000000075512000-0x0000000075514000-memory.dmp

    Filesize

    8KB

  • memory/3304-16-0x00000000001B0000-0x00000000001E6000-memory.dmp

    Filesize

    216KB

  • memory/3304-17-0x0000000004B80000-0x0000000004C1C000-memory.dmp

    Filesize

    624KB

  • memory/3304-21-0x0000000004E80000-0x0000000004ED6000-memory.dmp

    Filesize

    344KB

  • memory/3304-22-0x00000000726E0000-0x0000000072E90000-memory.dmp

    Filesize

    7.7MB

  • memory/3304-19-0x0000000004CC0000-0x0000000004D52000-memory.dmp

    Filesize

    584KB

  • memory/3304-42-0x00000000726E0000-0x0000000072E90000-memory.dmp

    Filesize

    7.7MB

  • memory/3304-18-0x00000000051D0000-0x0000000005774000-memory.dmp

    Filesize

    5.6MB

  • memory/3304-20-0x0000000004C40000-0x0000000004C4A000-memory.dmp

    Filesize

    40KB

  • memory/3304-41-0x00000000726EE000-0x00000000726EF000-memory.dmp

    Filesize

    4KB

  • memory/3304-15-0x00000000726EE000-0x00000000726EF000-memory.dmp

    Filesize

    4KB

  • memory/3396-0-0x0000000075512000-0x0000000075513000-memory.dmp

    Filesize

    4KB

  • memory/3396-36-0x0000000075510000-0x0000000075AC1000-memory.dmp

    Filesize

    5.7MB

  • memory/3396-2-0x0000000075510000-0x0000000075AC1000-memory.dmp

    Filesize

    5.7MB

  • memory/3396-1-0x0000000075510000-0x0000000075AC1000-memory.dmp

    Filesize

    5.7MB