Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    18-04-2024 17:42

General

  • Target

    f876c47a977f95368c71210156f86225_JaffaCakes118.exe

  • Size

    501KB

  • MD5

    f876c47a977f95368c71210156f86225

  • SHA1

    b6e8cd3caf3d5222828b13d38cc15b90430610d2

  • SHA256

    255f2a3ea470808a074f1e4f9a9ccef884e367c85e53738f1cd17423df2b8b31

  • SHA512

    8b399cfb2cbcc858df56e602804ea9a283474f060c2c49883852f628ffc4506c4e0978abf523d6094b72556bc35e5f0d6c75cade0a20100356b8370dbc18e06a

  • SSDEEP

    12288:orwlwxrfaz1ViqPELxu7lXvN60VBGE6B4K:oUufazaqsKNl6pB

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\f876c47a977f95368c71210156f86225_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f876c47a977f95368c71210156f86225_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Users\Admin\AppData\Local\Temp\f876c47a977f95368c71210156f86225_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\f876c47a977f95368c71210156f86225_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2212
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\f876c47a977f95368c71210156f86225_JaffaCakes118.exe" /TN 6ek6uOO9da42 /F
        3⤵
        • Creates scheduled task(s)
        PID:2908
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN 6ek6uOO9da42 > C:\Users\Admin\AppData\Local\Temp\oIGW4.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2560
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN 6ek6uOO9da42
          4⤵
            PID:2640

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\oIGW4.xml

      Filesize

      1KB

      MD5

      16cad7da7b3fe86fc409341eacc189eb

      SHA1

      cb654f39270e9fcebc150bce8ea3d987e975d6d7

      SHA256

      00f1551c6fd031f0ed19e636ac68334293885d9a8f4a90f9640493fec03b9a64

      SHA512

      1dc24f1bf3b7a418ee40ddc5595959419e8f0c95d9ab86f4231d00838f4f32c2f4e39f028f076d8b4d3908fdc0e1767029068473707752eeba732608efc3e018

    • \Users\Admin\AppData\Local\Temp\f876c47a977f95368c71210156f86225_JaffaCakes118.exe

      Filesize

      501KB

      MD5

      29effd4b46b0ea85c5963d0a602cf5e9

      SHA1

      015c1c04ebfc5d27b6999eab05ffdb2c9b268e3b

      SHA256

      0b535fb32d551b366aaeabf2df0090abe4dc67db20dc14930d85cdfc6f74d27e

      SHA512

      0e2945a31ede1acd8c6f19baa5436b58d339654f149c56a0c966e3a5d00e0c7c19f56563ddb63f37df8ce86cafc79a39a53b56b5f7a835ce4f8c152fbd4b2833

    • memory/1972-0-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/1972-1-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/1972-7-0x0000000022DD0000-0x0000000022E4E000-memory.dmp

      Filesize

      504KB

    • memory/1972-15-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/1972-16-0x0000000022E50000-0x00000000230AC000-memory.dmp

      Filesize

      2.4MB

    • memory/2212-19-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2212-21-0x00000000001A0000-0x000000000021E000-memory.dmp

      Filesize

      504KB

    • memory/2212-26-0x0000000000400000-0x000000000045B000-memory.dmp

      Filesize

      364KB

    • memory/2212-27-0x00000000002F0000-0x000000000035B000-memory.dmp

      Filesize

      428KB

    • memory/2212-45-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB