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Analysis

  • max time kernel
    143s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22/09/2024, 13:16

General

  • Target

    f21840bca0f16abd3492be6aa887cd83_JaffaCakes118.exe

  • Size

    148KB

  • MD5

    f21840bca0f16abd3492be6aa887cd83

  • SHA1

    1d3a041574ab242c2f00d186ce8a6fb435406b99

  • SHA256

    123b0ce5f4e65569abe18ac65f4059dd2ab2968c5cffb95d40af47c650ab5e67

  • SHA512

    1662b7c5e98f96ee62b724586904492bfaf270c61e3c3b41497d8bb66d121fc022ddd26e086a428fe4ae0602077d20bed39250de8ed2ad8f78d1e6dda3daeb3b

  • SSDEEP

    3072:nX4RybtCyyL9v16SQqiEl6gkciScgYP/3/bUk+ARsOHv7+HmEEtFuJy3o:noRgCDvkSQ24xcilZPHbUpAlvqHXEzuK

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 3 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f21840bca0f16abd3492be6aa887cd83_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f21840bca0f16abd3492be6aa887cd83_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Users\Admin\AppData\Roaming\WMPRWISE.EXE
      C:\Users\Admin\AppData\Roaming\WMPRWISE.EXE
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops desktop.ini file(s)
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      PID:2576

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Roaming\WMPRWISE.EXE

    Filesize

    148KB

    MD5

    f21840bca0f16abd3492be6aa887cd83

    SHA1

    1d3a041574ab242c2f00d186ce8a6fb435406b99

    SHA256

    123b0ce5f4e65569abe18ac65f4059dd2ab2968c5cffb95d40af47c650ab5e67

    SHA512

    1662b7c5e98f96ee62b724586904492bfaf270c61e3c3b41497d8bb66d121fc022ddd26e086a428fe4ae0602077d20bed39250de8ed2ad8f78d1e6dda3daeb3b

  • \Users\Admin\AppData\Roaming\desktop.ini

    Filesize

    9KB

    MD5

    4a27242b307c6a836993353035fafc16

    SHA1

    5fea7a41b8f9071848108015d8a952e6f944eea0

    SHA256

    02fd93f64bda51e1e2991184cac13f077d509712e462c9e44be9cf8e22c06de1

    SHA512

    35e9c87642b82df2bf0a9312bb0e9abfb98282db1e34032a4d0150d82c5e2f2e13150ddc896f1e954f02288a1e696a4306ee595b94b1e404c6ec17bac64c44be

  • \Users\Admin\AppData\Roaming\ntuser.dat

    Filesize

    54KB

    MD5

    7e8e966927e04a35aec644602b8a9e05

    SHA1

    d201b0b41e8701818d60ddbf9f334332a512c4da

    SHA256

    46f18d9fbf63f378d86962cbf24f5ce57ce257555acd4effdcc41c1e2f1adf5c

    SHA512

    246777c79129a5076b71ca5d3f7e59b06d344f6b5e771892ae8ee68c0b5af9207cd1868b1336b49e6a84665309ad379a33ec6c8e72d7ce41de72153637921a51

  • memory/2008-0-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2008-1-0x0000000000220000-0x0000000000234000-memory.dmp

    Filesize

    80KB

  • memory/2008-12-0x00000000002C0000-0x00000000002FE000-memory.dmp

    Filesize

    248KB

  • memory/2008-2-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2576-15-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2576-26-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB