Analysis

  • max time kernel
    79s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/07/2024, 11:16

General

  • Target
    1f20793fd68e4cf7679b22d1c1a7a6e3_JaffaCakes118.exe
  • Size 628KB
  • Sample240702-nc91kszclf
  • SHA256 d665db7d8f49070ebdf5024234285975880709d18769b8c8ebe9b734856c32c1
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • ModiLoader Second Stage 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1f20793fd68e4cf7679b22d1c1a7a6e3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1f20793fd68e4cf7679b22d1c1a7a6e3_JaffaCakes118.exe"
    1⤵
    • Enumerates connected drives
    • Drops autorun.inf file
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:4316
    • C:\program files\internet explorer\IEXPLORE.EXE
      "C:\program files\internet explorer\IEXPLORE.EXE"
      2⤵
        PID:1752
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4316 -s 684
        2⤵
        • Program crash
        PID:4936
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4316 -ip 4316
      1⤵
        PID:4420

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            AutoRun.inf

            • Path C:\AutoRun.inf
            • Size 157B
            • SHA256 e62b737c2867f81414ff038e3d1ca72a14d77fba22b8f0cb0575e50262eb5568
            • MD5 SHA1 SHA512

            memory/4316-11-0x00000000034D0000-0x00000000034D1000-memory.dmp

            memory/4316-10-0x0000000002500000-0x0000000002501000-memory.dmp

            memory/4316-9-0x0000000002570000-0x0000000002571000-memory.dmp

            memory/4316-8-0x0000000002540000-0x0000000002541000-memory.dmp

            memory/4316-7-0x0000000002550000-0x0000000002551000-memory.dmp

            memory/4316-6-0x00000000024E0000-0x00000000024E1000-memory.dmp

            memory/4316-5-0x00000000024F0000-0x00000000024F1000-memory.dmp

            memory/4316-13-0x00000000035C0000-0x00000000035C1000-memory.dmp

            memory/4316-0-0x0000000000400000-0x0000000000515000-memory.dmp

            memory/4316-12-0x00000000034C0000-0x00000000034C3000-memory.dmp

            memory/4316-2-0x0000000002530000-0x0000000002531000-memory.dmp

            memory/4316-3-0x0000000002510000-0x0000000002511000-memory.dmp

            memory/4316-4-0x0000000002560000-0x0000000002561000-memory.dmp

            memory/4316-14-0x0000000003510000-0x0000000003511000-memory.dmp

            memory/4316-16-0x0000000000800000-0x0000000000801000-memory.dmp

            memory/4316-17-0x00000000034E0000-0x00000000034E1000-memory.dmp

            memory/4316-15-0x00000000007F0000-0x00000000007F1000-memory.dmp

            memory/4316-1-0x0000000002340000-0x0000000002394000-memory.dmp

            memory/4316-37-0x0000000000400000-0x0000000000515000-memory.dmp

            memory/4316-38-0x0000000002340000-0x0000000002394000-memory.dmp