Analysis

  • max time kernel
    62s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    19-07-2024 01:42

General

  • Target

    59f51a6c348adcf831951ebdb2dfd7db_JaffaCakes118.exe

  • Size

    243KB

  • MD5

    59f51a6c348adcf831951ebdb2dfd7db

  • SHA1

    7b82f1fc193392e1d7a97209f1a6cc25678385c7

  • SHA256

    7566fe668c9cf9b0a92f81279528d141fc7aa4acb3e38c61f3ba4519e88f6981

  • SHA512

    3460e69bbf3ff4fe4357719d15e05e2e6037729e731fe7a26de48bfa931f918f56a35adb78c8d84fc9476b42e86959f1283c36981e23edf087bf6e5f59a044cf

  • SSDEEP

    6144:lofAndVrvYwQjRrwuo85fZp+6i4ME1DMmJQu5H4EzDnLVQ:mY7lQjJaCx06TM6MmySHHzDL

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Unexpected DNS network traffic destination 5 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\csrss.exe
    %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
    1⤵
    • Executes dropped EXE
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:332
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies WinLogon for persistence
    PID:1192
    • C:\Users\Admin\AppData\Local\Temp\59f51a6c348adcf831951ebdb2dfd7db_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\59f51a6c348adcf831951ebdb2dfd7db_JaffaCakes118.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2408
      • C:\Users\Admin\AppData\Local\cb4f2c37\X
        *0*47*e201fefd*69.64.52.10:53
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2780
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Deletes itself
        PID:2772
  • C:\Windows\system32\wbem\WMIADAP.EXE
    wmiadap.exe /F /T /R
    1⤵
      PID:2268

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\system32\consrv.dll

      Filesize

      29KB

      MD5

      1149c1bd71248a9d170e4568fb08df30

      SHA1

      6f77f183d65709901f476c5d6eebaed060a495f9

      SHA256

      c2dcf387cb4d218f50463338291e7db38afbdab9aab88fc54e7f9283df1792d1

      SHA512

      9e6eac8facb23b38552d37c9f3cb24098f871d2885ecb3630fcd0199c5600b12a42f095f9fbeb90e5632496491d46fd987660cdda695e92dc386bd482d3ff459

    • \Users\Admin\AppData\Local\cb4f2c37\X

      Filesize

      38KB

      MD5

      72de2dadaf875e2fd7614e100419033c

      SHA1

      5f17c5330e91a42daa9ff24c4aa602bd1a72bf6e

      SHA256

      c44993768a4dc5a58ddbfc9cb05ce2a7d3a0a56be45643d70a72bcf811b6c381

      SHA512

      e2520a53326a7d3b056e65d0cf60e9d823ffb34ca026cdddc7ea3a714f8396c53c37e13a887fc86a7dd7076c97fdfad53c3f5a68342ebc1bdec948c76bda8df3

    • \systemroot\assembly\tmp\{1B372133-BFFA-4dba-9CCF-5474BED6A9F6}

      Filesize

      2KB

      MD5

      c251f65b09e3dded62a223f24d10ffd4

      SHA1

      87c63095fa9e44c68882262704d70329a90a9dc7

      SHA256

      e83039c764c10b89e4c068741424638425e4c059c1b851a47b983b92baa33171

      SHA512

      9c040b3ef6b08356b5520ed0e33e1bfec075525a92d3082dd5ae74e0dbc8ca0772c736359b062a900efedc452a3889b628cbc910a00e9a1ee0ea107c3c7d09b1

    • memory/332-19-0x00000000022E0000-0x00000000022EB000-memory.dmp

      Filesize

      44KB

    • memory/332-43-0x0000000002270000-0x0000000002271000-memory.dmp

      Filesize

      4KB

    • memory/332-22-0x00000000022E0000-0x00000000022EB000-memory.dmp

      Filesize

      44KB

    • memory/332-21-0x0000000002270000-0x0000000002271000-memory.dmp

      Filesize

      4KB

    • memory/1192-37-0x00000000025A0000-0x00000000025AB000-memory.dmp

      Filesize

      44KB

    • memory/1192-12-0x0000000002560000-0x0000000002562000-memory.dmp

      Filesize

      8KB

    • memory/1192-7-0x0000000002570000-0x0000000002576000-memory.dmp

      Filesize

      24KB

    • memory/1192-11-0x0000000002570000-0x0000000002576000-memory.dmp

      Filesize

      24KB

    • memory/1192-36-0x0000000002590000-0x000000000259B000-memory.dmp

      Filesize

      44KB

    • memory/1192-47-0x0000000002570000-0x0000000002578000-memory.dmp

      Filesize

      32KB

    • memory/1192-32-0x0000000002590000-0x000000000259B000-memory.dmp

      Filesize

      44KB

    • memory/1192-28-0x0000000002590000-0x000000000259B000-memory.dmp

      Filesize

      44KB

    • memory/1192-39-0x00000000025A0000-0x00000000025AB000-memory.dmp

      Filesize

      44KB

    • memory/1192-38-0x0000000002570000-0x0000000002578000-memory.dmp

      Filesize

      32KB

    • memory/1192-3-0x0000000002570000-0x0000000002576000-memory.dmp

      Filesize

      24KB

    • memory/2408-41-0x0000000030670000-0x00000000306A7000-memory.dmp

      Filesize

      220KB

    • memory/2408-42-0x0000000030670000-0x00000000306C7000-memory.dmp

      Filesize

      348KB

    • memory/2408-40-0x0000000030670000-0x00000000306C7000-memory.dmp

      Filesize

      348KB

    • memory/2408-46-0x0000000030670000-0x00000000306C7000-memory.dmp

      Filesize

      348KB

    • memory/2408-45-0x0000000030670000-0x00000000306A7000-memory.dmp

      Filesize

      220KB

    • memory/2408-2-0x0000000030670000-0x00000000306C7000-memory.dmp

      Filesize

      348KB

    • memory/2408-1-0x0000000030670000-0x00000000306A7000-memory.dmp

      Filesize

      220KB