Analysis

  • max time kernel
    141s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    03-07-2024 20:07

General

  • Target

    2397ab24894b199cbe28fbed9caad53d_JaffaCakes118.exe

  • Size

    348KB

  • MD5

    2397ab24894b199cbe28fbed9caad53d

  • SHA1

    c4de120c63646af3405aa4791b6babbdb17b868e

  • SHA256

    495b130c9a5a75240497d8bacc43763e3c03447d6665a5d55dd37a3a4ac19e7d

  • SHA512

    75f621b3b64d803a9bc010b5a62936b13ce60d763f42f88181dbc8939de0bd2089ea54d7d6b32c3c7d15fe5697dc5091d9dcad8dd8717927c78b31a413ddc0a7

  • SSDEEP

    6144:hG/eh9qQZRd9x+zVUKxT6r1Byl0T52+D6jgB/B4iCZdyG5sXtnwTi1Y8Q:hfgQZvH+zVUKxT6Hvc+DlB/BwZdyG52G

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 5 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2397ab24894b199cbe28fbed9caad53d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2397ab24894b199cbe28fbed9caad53d_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2860
    • C:\Users\Admin\AppData\Local\Temp\A5b8EN4bkwnQneg.exe
      C:\Users\Admin\AppData\Local\Temp\A5b8EN4bkwnQneg.exe
      2⤵
      • Executes dropped EXE
      PID:2960
    • C:\Windows\CTS.exe
      "C:\Windows\CTS.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:2536

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\A5b8EN4bkwnQneg.exe

    Filesize

    348KB

    MD5

    9c374d65c127686e399ee8bddf3bd85a

    SHA1

    3f7bc8669add7e1241723926430941f71116a3ba

    SHA256

    38b390d0a97f20a06a5be1dd4ceb8ba2e0f9f4ab825933ec94e5b98f5a7ca702

    SHA512

    cb2ec895e96f33bb7114421accb4df1d0aa6f47c97604aefd8bd4233c5936e56f3d8743dde16f7691eef96fb3315a41998e58a02d219c504aaf83d9c6a7f69b1

  • C:\Windows\CTS.exe

    Filesize

    284KB

    MD5

    052ffeb64cb84956f1082288a71dbf24

    SHA1

    074dc8c874225da4fe4e8fc9a14d38da7a7dcb0f

    SHA256

    6b1d40b69eeb936ad37e2184765dd97fed1b0fa2158b6cfbbef5690c302d55cf

    SHA512

    03918388009d1327b92ea19569853cbfa0afa9952ae65c0e2f2f8cd3ffc09df285946535ca1605a90197169c9eb8ea9ed7d74934190e542e08e6e7de260656e1

  • \Users\Admin\AppData\Local\Temp\A5b8EN4bkwnQneg.exe

    Filesize

    64KB

    MD5

    a32a382b8a5a906e03a83b4f3e5b7a9b

    SHA1

    11e2bdd0798761f93cce363329996af6c17ed796

    SHA256

    75f12ea2f30d9c0d872dade345f30f562e6d93847b6a509ba53beec6d0b2c346

    SHA512

    ec87dd957be21b135212454646dcabdd7ef9442cf714e2c1f6b42b81f0c3fa3b1875bde9a8b538e8a0aa2190225649c29e9ed0f25176e7659e55e422dd4efe4c

  • memory/2536-20-0x0000000000380000-0x0000000000397000-memory.dmp

    Filesize

    92KB

  • memory/2860-0-0x0000000000810000-0x0000000000827000-memory.dmp

    Filesize

    92KB

  • memory/2860-18-0x0000000000810000-0x0000000000827000-memory.dmp

    Filesize

    92KB

  • memory/2860-15-0x00000000000B0000-0x00000000000C7000-memory.dmp

    Filesize

    92KB

  • memory/2860-14-0x00000000000B0000-0x00000000000C7000-memory.dmp

    Filesize

    92KB