Analysis

  • max time kernel
    142s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    27-06-2024 22:47

General

  • Target

    17d02350b80c3c03c0be2b1acab650d1_JaffaCakes118.exe

  • Size

    866KB

  • MD5

    17d02350b80c3c03c0be2b1acab650d1

  • SHA1

    775181f6686d21806ba7e6fe4ae1ecdc82d0157f

  • SHA256

    de8636c5d87d276a4971eab3cbe5d3d3bb18618e8a24ae27b154e1548bd438a4

  • SHA512

    e61b19867eb0aff9d43ab7f13ac73217d0bd244e8b908eb902940315d77c3df67fbde40f7d80d602d8f491065fdb98791deb5f3fd4c122ef010f09616d1aaade

  • SSDEEP

    3072:dBUyU7/NUauKvxUjUYqDbf5PBb6Tx3zU5IYUeyUwgUn1UdjgUtGU4rZ/ME+h0UIx:CQdx8nHZtwjWK3FFQgzv1x5

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

hgjvhnfgg.duckdns.org:8057

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 8 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\17d02350b80c3c03c0be2b1acab650d1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\17d02350b80c3c03c0be2b1acab650d1_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1884
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3036
      • C:\Windows\SysWOW64\timeout.exe
        timeout 1
        3⤵
        • Delays execution with timeout.exe
        PID:2132
    • C:\Users\Admin\AppData\Local\Temp\17d02350b80c3c03c0be2b1acab650d1_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\17d02350b80c3c03c0be2b1acab650d1_JaffaCakes118.exe"
      2⤵
        PID:2144
      • C:\Users\Admin\AppData\Local\Temp\17d02350b80c3c03c0be2b1acab650d1_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\17d02350b80c3c03c0be2b1acab650d1_JaffaCakes118.exe"
        2⤵
          PID:2152
        • C:\Users\Admin\AppData\Local\Temp\17d02350b80c3c03c0be2b1acab650d1_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\17d02350b80c3c03c0be2b1acab650d1_JaffaCakes118.exe"
          2⤵
            PID:3004

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1884-0-0x000000007406E000-0x000000007406F000-memory.dmp

          Filesize

          4KB

        • memory/1884-1-0x00000000008A0000-0x000000000097C000-memory.dmp

          Filesize

          880KB

        • memory/1884-2-0x0000000074060000-0x000000007474E000-memory.dmp

          Filesize

          6.9MB

        • memory/1884-3-0x0000000000540000-0x0000000000568000-memory.dmp

          Filesize

          160KB

        • memory/1884-24585-0x0000000074060000-0x000000007474E000-memory.dmp

          Filesize

          6.9MB

        • memory/3004-13-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/3004-15-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/3004-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/3004-10-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/3004-9-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/3004-5-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/3004-7-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/3004-17-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB