Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-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
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 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 16 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
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1796
    • C:\Users\Admin\AppData\Roaming\Refract's Crypter.exe
      "C:\Users\Admin\AppData\Roaming\Refract's Crypter.exe"
      2⤵
      • Executes dropped EXE
      PID:2456
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2656
      • C:\Users\Admin\AppData\Roaming\Refract's Crypter.exe
        "C:\Users\Admin\AppData\Roaming\Refract's Crypter.exe"
        3⤵
        • Executes dropped EXE
        PID:2756
      • 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:2524

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    1KB

    MD5

    306e380eb59499c762a3afb1ef954797

    SHA1

    33d65f2e7df181020f10acd0eac15dd9e1e4f81d

    SHA256

    062f65193b65e2cc8918222ee240655709c80ace141912ad1a52c9615b63f040

    SHA512

    6b8dcc664a61a5fb6e7a75a6a10f91129b79488d8ccd77d00680b283aa734da8b596a23f8ffa68dc8f5eedf23e4237203db6ac968802e5c162b67e5eaaeb54f4

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

    Filesize

    923KB

    MD5

    807fdc437e03d6c168792b8773e4f73c

    SHA1

    2b593b3505b09aa2a322a8aab3c20161b461dd23

    SHA256

    3401c787e69edb72ca1216677ec2e0adb3c51db92c03dc88fa4f11e046e727d0

    SHA512

    fd4ab96c99c80d8ba23a6dce61471aa2544c2778236bca5f2010d196509e53ca8288cc4f89d79d5b54d90e8da6ab801a0b62e50ca859ea826a4ef17aaeae04d8

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

    Filesize

    188KB

    MD5

    23c6fa4e6b94422381302678a73d5785

    SHA1

    7b256feacff6e7fcf84e6b6a17b41b708dd3dafe

    SHA256

    b0b8d725b442e2538fb40fd84cc3e57c27d6d1334160ac2821796d85ec3cb65b

    SHA512

    90661f2cf725f69b7ef06fb22175be80bd71a607e115181e3ba9042adbf4809fd6e424fcbc304c5af5b7cd5d18d06deec2dd98f0ee64c15be0894f936f1d5330

  • memory/1796-28-0x0000000074DA0000-0x000000007534B000-memory.dmp

    Filesize

    5.7MB

  • memory/1796-2-0x0000000074DA0000-0x000000007534B000-memory.dmp

    Filesize

    5.7MB

  • memory/1796-0-0x0000000074DA1000-0x0000000074DA2000-memory.dmp

    Filesize

    4KB

  • memory/1796-1-0x0000000074DA0000-0x000000007534B000-memory.dmp

    Filesize

    5.7MB

  • memory/2456-14-0x0000000071E2E000-0x0000000071E2F000-memory.dmp

    Filesize

    4KB

  • memory/2456-15-0x0000000000A00000-0x0000000000A36000-memory.dmp

    Filesize

    216KB

  • memory/2456-16-0x0000000071E20000-0x000000007250E000-memory.dmp

    Filesize

    6.9MB

  • memory/2456-17-0x0000000071E20000-0x000000007250E000-memory.dmp

    Filesize

    6.9MB

  • memory/2456-32-0x0000000071E2E000-0x0000000071E2F000-memory.dmp

    Filesize

    4KB

  • memory/2456-33-0x0000000071E20000-0x000000007250E000-memory.dmp

    Filesize

    6.9MB