Overview

overview

10

Static

static

3

JaffaCakes...f0.dll

windows7-x64

10

JaffaCakes...f0.dll

windows10-2004-x64

10

Analysis

  • max time kernel
    95s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/01/2025, 02:23

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General

  • Target
    JaffaCakes118_43c9b064c53cca14a5fd69bb454883f0.dll
  • Size 163KB
  • Sample250101-cve3da1lcv
  • SHA256 b5bde0d2915bee434e3b5f57c6a2198e0e83aee3aedfd0164ffe34df86e80725
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
ramnitbankerdiscoverypersistencespywarestealertrojanupxworm

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

    trojanspywarestealerwormbankerramnit
  • Ramnit family
    ramnit
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 5 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

    discovery
  • Modifies Internet Explorer settings 1 TTPs 60 IoCs
    adwarespyware
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43c9b064c53cca14a5fd69bb454883f0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3136
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43c9b064c53cca14a5fd69bb454883f0.dll,#1
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Modifies data under HKEY_USERS
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3636
      • C:\Windows\SysWOW64\rundll32Srv.exe
        C:\Windows\SysWOW64\rundll32Srv.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4624
        • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
          "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:748
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2448
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2448 CREDAT:17410 /prefetch:2
              6⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:2424

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
        • Size 471B
        • SHA256 888dd735b3cf97e714243c7ecf44064128c4a97452b90ebbc66e317a113ef9a4
        • MD5 SHA1 SHA512
        Submit Download

        7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
        • Size 404B
        • SHA256 b4c02cd3417cbab34ba4eaf171eeeecd9bd7ec48ab33f0e085eb60d1350666e7
        • MD5 SHA1 SHA512
        Submit Download

        search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico
        • Size 4KB
        • SHA256 5b2c34b3c4e8dd898b664dba6c3786e2ff9869eff55d673aa48361f11325ed07
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        suggestions[1].en-US
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\GRYMSCZU\suggestions[1].en-US
        • Size 17KB
        • SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        KnoB3B0.tmp
        • Path C:\Users\Admin\AppData\Local\Temp\KnoB3B0.tmp
        • Size 88KB
        • SHA256 1e2e25bf730ff20c89d57aa38f7f34be7690820e8279b20127d0014dd27b743f
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        rundll32Srv.exe
        • Path C:\Windows\SysWOW64\rundll32Srv.exe
        • Size 55KB
        • SHA256 fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/748-14-0x0000000000400000-0x000000000042E000-memory.dmp
        Download

        memory/748-15-0x0000000000400000-0x000000000042E000-memory.dmp
        Download

        memory/748-13-0x00000000004A0000-0x00000000004A1000-memory.dmp
        Download

        memory/3636-0-0x0000000074A20000-0x0000000074A4D000-memory.dmp
        Download

        memory/4624-8-0x0000000000400000-0x000000000042E000-memory.dmp
        Download

        memory/4624-6-0x0000000000580000-0x000000000058F000-memory.dmp
        Download

        memory/4624-4-0x0000000000400000-0x000000000042E000-memory.dmp
        Download