Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    16/06/2024, 22:29

General

  • Target

    b5800899b2469dbc4369e560f56a38a5_JaffaCakes118.exe

  • Size

    627KB

  • MD5

    b5800899b2469dbc4369e560f56a38a5

  • SHA1

    34eabe289f2d8d6f109ded376fdd446408d38bba

  • SHA256

    11a073fd4329af487a05b9cd2714f1bd31fe854807d5bcb0d3392ee489024106

  • SHA512

    c1853f791a32c424adb81e2e196c8cbf4f468c70ae7a726b2c23267c8bbac408b6512b520779054bea27465a49536660bbdfcb36a334f875ce63c94d5743969f

  • SSDEEP

    12288:z4WDjPiYTbAcEL4fCu9BJxB37Yu21yQH0SCJKluZpSlYrX2SlmLs1SW37k:EWDjPiJG9bD37J2oQUSCJKBl02SlF1SV

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b5800899b2469dbc4369e560f56a38a5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b5800899b2469dbc4369e560f56a38a5_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Loads dropped DLL
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2860
    • C:\Users\Admin\AppData\Local\Temp\n6622\s6622.exe
      "C:\Users\Admin\AppData\Local\Temp\n6622\s6622.exe" cac34dba55c383e89ba19bd7oWOm+7DVf5xDflMTLP9cHdY93fU8Ks5Gfx5ywMcGin9MdI4HgrrWT8h/ZHh+d0jmSNQivHRf+vwg3qT1NYoO5bleyjT7n3lpMNs+zhi9jrxEYXc8rkuG22jF3XoFaYLEPPy6cTWfRVPFdFPl3xTf0xYgThxtbMiCSlk9tw== /v "C:\Users\Admin\AppData\Local\Temp\b5800899b2469dbc4369e560f56a38a5_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2784

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar16B3.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \Users\Admin\AppData\Local\Temp\n6622\s6622.exe

    Filesize

    347KB

    MD5

    ad59534e6fd98cef7a0e154a4933a5e4

    SHA1

    a0cc775fbd387133877d67a938d0ee7f17f2b134

    SHA256

    15ea8c6d95cd84f77f9b2638657b7b1558fec2564c791e81a69a91b36e8a243e

    SHA512

    c56dd706b11141b24330d22513669fab438d2621cef16acdebe1e88cb0e6c07e3c20d76f3e99168d2e698b92009fbba4c19620ca60d908450284a9d0a6c5e59c

  • memory/2784-15-0x000007FEF565E000-0x000007FEF565F000-memory.dmp

    Filesize

    4KB

  • memory/2784-23-0x000007FEF53A0000-0x000007FEF5D3D000-memory.dmp

    Filesize

    9.6MB

  • memory/2784-76-0x0000000000B80000-0x0000000000B90000-memory.dmp

    Filesize

    64KB

  • memory/2784-77-0x000007FEF53A0000-0x000007FEF5D3D000-memory.dmp

    Filesize

    9.6MB