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Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18/04/2024, 12:31

General

  • Target

    f7ff003ad7867968b49dc22fa1937a54_JaffaCakes118.exe

  • Size

    2.9MB

  • MD5

    f7ff003ad7867968b49dc22fa1937a54

  • SHA1

    0163cea6242de599faac018b20bd615fb6a77a87

  • SHA256

    e39526b4604d89b701f9d58d8af91576d6965fe3019bd0dd04e35355d102a260

  • SHA512

    6ae85375683e8674f098fad209924c3855e313829275b284860f83f28c5dadfa40df9b65fef1eac3ef5cf9987cd057ca8a1b41ef201be0b0803942e918b9cac5

  • SSDEEP

    49152:xF3IbU7MPuhy8uq9sZSpqwe3JkYIljlw5ynLdoLKha9Buuk1ygctMfm9Q:vYbVvgISvwrklwMdIKFqnBQ

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 5 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 24 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f7ff003ad7867968b49dc22fa1937a54_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f7ff003ad7867968b49dc22fa1937a54_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1252
    • C:\Users\Admin\AppData\Local\Temp\is-4NIML.tmp\f7ff003ad7867968b49dc22fa1937a54_JaffaCakes118.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-4NIML.tmp\f7ff003ad7867968b49dc22fa1937a54_JaffaCakes118.tmp" /SL5="$70124,2638614,118784,C:\Users\Admin\AppData\Local\Temp\f7ff003ad7867968b49dc22fa1937a54_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2168
      • C:\Program Files (x86)\Numquam\occaecati\Sint.exe
        "C:\Program Files (x86)\Numquam/\occaecati\Sint.exe" 53d1f54551d40956db57e0eb679e7cc0
        3⤵
        • Executes dropped EXE
        PID:2728

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Program Files (x86)\Numquam\occaecati\Sint.exe

    Filesize

    2.9MB

    MD5

    57d246b651f599e4eee146d54c11d9b6

    SHA1

    63c855a6ce36c8c36154138e57df4fee0521c9d3

    SHA256

    fdd53944953172d831ad07753fe282785e3111b2628a206df2975cfe6655fa8d

    SHA512

    4eb7b70c7a90ad631f02e90f0fbc502c2cf93c1ee6e4af2c003d868b5a8908c346fc09ea83a8e6de4d5a02903bfef199c8bb8587aecdde94dc827212f8db4dd1

  • \Users\Admin\AppData\Local\Temp\is-4G1AF.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-4G1AF.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\Temp\is-4NIML.tmp\f7ff003ad7867968b49dc22fa1937a54_JaffaCakes118.tmp

    Filesize

    1.1MB

    MD5

    b69b348d3ef2973bf1dde47370b7a393

    SHA1

    fea161fd274600613c5e409aa2df15fa62110532

    SHA256

    5caf88d958ea88ffad7493b344f5addcb3b378d735ba81bafe29903f0fa6eec4

    SHA512

    0a347c800e0973ed9a9693c4e58f53828c2301817b9ec1446781fa02839ad680e4122b20384ca80629c24827ccfe2028b80fb12bfeca07e1af7563e2fb89785f

  • memory/1252-0-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/1252-64-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/2168-7-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2168-63-0x0000000000400000-0x000000000052B000-memory.dmp

    Filesize

    1.2MB