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Analysis

  • max time kernel
    118s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    16/04/2024, 00:24

General

  • Target

    f243b97c6e13e6199b2c7bdd12396b3c_JaffaCakes118.exe

  • Size

    2.6MB

  • MD5

    f243b97c6e13e6199b2c7bdd12396b3c

  • SHA1

    9c3829891458f7202a506fef259b6b0588fadaa4

  • SHA256

    1b8a166e78cf6dad0dfee625837f72c19c31f2280bafd7a4687d7a9b1d546370

  • SHA512

    847b2ba0ac9e4675f933fa676c4af1767e4231b0e43496b9fdcd15945eda7a585b8034dcc3adf02a356f903bf5da2497d7e4334407b0ceb6421c5badf6eb8f04

  • SSDEEP

    49152:MVx98tdEmJ/UQIMtWbGcMoLi33FLPpTDwumbylw+X5ziOfay3:69c2YUQ23eP/Ye/3

Score
7/10
upx

Malware Config

Signatures

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

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f243b97c6e13e6199b2c7bdd12396b3c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f243b97c6e13e6199b2c7bdd12396b3c_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2684
    • C:\Users\Admin\AppData\Local\Temp\f243b97c6e13e6199b2c7bdd12396b3c_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\f243b97c6e13e6199b2c7bdd12396b3c_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2844

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\f243b97c6e13e6199b2c7bdd12396b3c_JaffaCakes118.exe

    Filesize

    2.6MB

    MD5

    5d38f21fc5b5679f17121c4f118c9ae9

    SHA1

    6020e309aab89f9819a816991af9d05cb73c2806

    SHA256

    216207a81ee72404306fcc439f2459c6d31b3ca5dc2751cf86af4865e0a88e55

    SHA512

    0a1cfb9d0e9c70469d13bc3fe81c348dfeabad4e11c4346034c19d1f1b49e39c3e15d2863e8c28f0676b831fa25ab1b5c96655e1d3eb022fc991042644227a8b

  • memory/2684-1-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/2684-0-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/2684-3-0x0000000002190000-0x00000000023EA000-memory.dmp

    Filesize

    2.4MB

  • memory/2684-15-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/2684-16-0x0000000003A90000-0x000000000442E000-memory.dmp

    Filesize

    9.6MB

  • memory/2684-42-0x0000000003A90000-0x000000000442E000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-22-0x00000000021A0000-0x00000000023FA000-memory.dmp

    Filesize

    2.4MB

  • memory/2844-20-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-43-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB