Analysis

  • max time kernel
    140s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10-04-2024 16:35

General

  • Target

    eb818be8d559ed33265e795cb6aff849_JaffaCakes118.exe

  • Size

    1.6MB

  • MD5

    eb818be8d559ed33265e795cb6aff849

  • SHA1

    88fb38274f189cfc21129a92dfd1aee4b2031fdf

  • SHA256

    48885c0d231e14374e717b7d81720c4cd620b0bc0b5dd320c3776b59a28d2b4c

  • SHA512

    9d1ddd66b6ffaf10f8cee28b08e48ca1d45cc6f89e39ec7b1f1817291a6ec6e288f232b73c91846524676cdd89b9d665129e859b1d92c5701b640e2d2fe78450

  • SSDEEP

    49152:wWulY3Daz60LJRThhfOVxfcakLz03fnR8KyyLWU9Dcr7cakLz0O:zyY3DazDLJRT/fQfcakcvn+RyS+gr7cp

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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eb818be8d559ed33265e795cb6aff849_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\eb818be8d559ed33265e795cb6aff849_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2304
    • C:\Users\Admin\AppData\Local\Temp\eb818be8d559ed33265e795cb6aff849_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\eb818be8d559ed33265e795cb6aff849_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2620
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\eb818be8d559ed33265e795cb6aff849_JaffaCakes118.exe" /TN MJu5Ub8Eff50 /F
        3⤵
        • Creates scheduled task(s)
        PID:2484
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN MJu5Ub8Eff50 > C:\Users\Admin\AppData\Local\Temp\XxP4FN.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:884
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN MJu5Ub8Eff50
          4⤵
            PID:2576

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\XxP4FN.xml

      Filesize

      1KB

      MD5

      f4dd3604a7db43a496e0cbcebc7fa89c

      SHA1

      d0870f6af6b409f9f08c2e91bdc9c39e873f67da

      SHA256

      bf7c21bd8edca613e22b2d729db631182dca7d214e3088cd935da3cea7391d50

      SHA512

      e3b8c76117a8e224d5b0d64248f2693bc3ba9cd7e1f5eaec5042d98f57ec6ffd4ed460a797432e03f1e981bfc1826619d5ba97ee6ec8ec310b9bec7a70702fe5

    • \Users\Admin\AppData\Local\Temp\eb818be8d559ed33265e795cb6aff849_JaffaCakes118.exe

      Filesize

      1.6MB

      MD5

      0166065f4081151f32f79d5c78d2453c

      SHA1

      d669267afc076066f8f3bf3444abe1ab1bc5db60

      SHA256

      dc9394927526a2e4925c6b179dc01615616ff885d3e8a8ab4e263f0fb693f6af

      SHA512

      400a8d41b414671b10901096562f276a78027f81fbd3099470b02c749635eaeba7223468df1fd6035125c6210415844b588a589480fc468d5c06fa879de10d27

    • memory/2304-15-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2304-2-0x00000000001B0000-0x000000000022E000-memory.dmp

      Filesize

      504KB

    • memory/2304-16-0x0000000023080000-0x00000000232DC000-memory.dmp

      Filesize

      2.4MB

    • memory/2304-0-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2304-1-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2304-54-0x0000000023080000-0x00000000232DC000-memory.dmp

      Filesize

      2.4MB

    • memory/2620-19-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2620-21-0x00000000016D0000-0x000000000174E000-memory.dmp

      Filesize

      504KB

    • memory/2620-26-0x0000000000400000-0x000000000045B000-memory.dmp

      Filesize

      364KB

    • memory/2620-27-0x0000000000470000-0x00000000004DB000-memory.dmp

      Filesize

      428KB

    • memory/2620-55-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB