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Analysis

  • max time kernel
    145s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    17/08/2024, 09:15

General

  • Target

    a1fba4fc7c545df03dd41273464f5a2e_JaffaCakes118.exe

  • Size

    345KB

  • MD5

    a1fba4fc7c545df03dd41273464f5a2e

  • SHA1

    2db1c86675229b25fd35bc1e641d74042e370456

  • SHA256

    4f5de3312e1ba01d315405cbdb6d708d1d45deb7da4718accc6c92d89cc43bdb

  • SHA512

    f6b2506bf491ec587b1534aee2b69658613c5b810b4cc6a04c0eb5aa2dbf5b5574d4ebb4b104393fd80ef8b578b6c0a740cd5872132f37d9e2343191e3e23267

  • SSDEEP

    6144:qejcG1q9Y8PbwsZOenCoTh93NphmLAvWkddgcU1y4UwE:qIcG1qjbFOy93fhUeTVU1y4M

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Kills process with taskkill 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a1fba4fc7c545df03dd41273464f5a2e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a1fba4fc7c545df03dd41273464f5a2e_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2388
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 2388 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\a1fba4fc7c545df03dd41273464f5a2e_JaffaCakes118.exe" & start C:\Users\Admin\AppData\Local\kotzes.exe -f
      2⤵
      • Deletes itself
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:3044
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /pid 2388
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2968
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 3 127.1
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2836
      • C:\Users\Admin\AppData\Local\kotzes.exe
        C:\Users\Admin\AppData\Local\kotzes.exe -f
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2736

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\kotzes.exe

    Filesize

    345KB

    MD5

    a1fba4fc7c545df03dd41273464f5a2e

    SHA1

    2db1c86675229b25fd35bc1e641d74042e370456

    SHA256

    4f5de3312e1ba01d315405cbdb6d708d1d45deb7da4718accc6c92d89cc43bdb

    SHA512

    f6b2506bf491ec587b1534aee2b69658613c5b810b4cc6a04c0eb5aa2dbf5b5574d4ebb4b104393fd80ef8b578b6c0a740cd5872132f37d9e2343191e3e23267

  • memory/2388-0-0x0000000000240000-0x0000000000243000-memory.dmp

    Filesize

    12KB

  • memory/2388-1-0x0000000001000000-0x00000000010B7000-memory.dmp

    Filesize

    732KB

  • memory/2388-2-0x0000000001000000-0x00000000010B7000-memory.dmp

    Filesize

    732KB

  • memory/2388-5-0x0000000001000000-0x00000000010B7000-memory.dmp

    Filesize

    732KB

  • memory/2736-10-0x0000000001000000-0x00000000010B7000-memory.dmp

    Filesize

    732KB

  • memory/2736-11-0x0000000001000000-0x00000000010B7000-memory.dmp

    Filesize

    732KB

  • memory/2736-12-0x0000000001000000-0x00000000010B7000-memory.dmp

    Filesize

    732KB

  • memory/2736-14-0x0000000001000000-0x00000000010B7000-memory.dmp

    Filesize

    732KB