Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    08/09/2024, 12:12

General

  • Target

    d45537d389a40a9e9579e7457a5f103b_JaffaCakes118.exe

  • Size

    134KB

  • MD5

    d45537d389a40a9e9579e7457a5f103b

  • SHA1

    5ced97f0e5b948536f41d2fb9956069e06d12d30

  • SHA256

    365a09bd4d5610ac69ff5045dac13f16bc799f70d41acb2b66c19a64aed31300

  • SHA512

    abb0c43e80e04e8ab6d41a5ff1d9b270e99c7650ba3109adad0e129467db3662f7db0906ad3d598307953b070340428f02ecf4c36b56600b35e2fd89c861ac23

  • SSDEEP

    3072:XnOn7t7XpdpCCTg/sxFgJceq8KTCukdfN78SrC2wsMEXOB+t1Y:XKpdcCrT/8Ku/fh8x2w0XOB+t1Y

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d45537d389a40a9e9579e7457a5f103b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d45537d389a40a9e9579e7457a5f103b_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Users\Admin\AppData\Local\Temp\nstC1CB.tmp\downloadmr.exe
      C:\Users\Admin\AppData\Local\Temp\nstC1CB.tmp\downloadmr.exe /e3697 /u4d48827d-aee0-4055-ba08-79595bc06ebe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of SetWindowsHookEx
      PID:1612

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\CabC380.tmp

          Filesize

          70KB

          MD5

          49aebf8cbd62d92ac215b2923fb1b9f5

          SHA1

          1723be06719828dda65ad804298d0431f6aff976

          SHA256

          b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

          SHA512

          bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

        • C:\Users\Admin\AppData\Local\Temp\TarC3A2.tmp

          Filesize

          181KB

          MD5

          4ea6026cf93ec6338144661bf1202cd1

          SHA1

          a1dec9044f750ad887935a01430bf49322fbdcb7

          SHA256

          8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

          SHA512

          6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

        • \Users\Admin\AppData\Local\Temp\nstC1CB.tmp\System.dll

          Filesize

          21KB

          MD5

          5ebc73650256e9c8ddbcda231db829a1

          SHA1

          988d4535e18754ab2a6248abae96c5697d7dbcd5

          SHA256

          1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

          SHA512

          b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

        • \Users\Admin\AppData\Local\Temp\nstC1CB.tmp\downloadmr.exe

          Filesize

          135KB

          MD5

          fb753ca8f8abe185c761c5a729552f05

          SHA1

          d87aeac1b5c45792997dd6da20687c2a60072665

          SHA256

          d9b21b59169dc040c604bf10bf53521633fbe54911a32ae9ea78136297f3c454

          SHA512

          271be08c81bc23ecf3ab0c6355f7c171cbd227b773b1cde3ff6389ea01246952bee4d8c213f4e2428ff6f62510dfbe609c66f079e0d4b03c148894989061ac15

        • memory/1612-16-0x0000000074A10000-0x0000000074FBB000-memory.dmp

          Filesize

          5.7MB

        • memory/1612-17-0x0000000074A10000-0x0000000074FBB000-memory.dmp

          Filesize

          5.7MB

        • memory/1612-15-0x0000000074A11000-0x0000000074A12000-memory.dmp

          Filesize

          4KB

        • memory/1612-78-0x0000000074A10000-0x0000000074FBB000-memory.dmp

          Filesize

          5.7MB

        • memory/1612-79-0x0000000074A10000-0x0000000074FBB000-memory.dmp

          Filesize

          5.7MB

        • memory/1612-80-0x0000000074A10000-0x0000000074FBB000-memory.dmp

          Filesize

          5.7MB

        • memory/1612-81-0x0000000074A10000-0x0000000074FBB000-memory.dmp

          Filesize

          5.7MB

        • memory/1612-82-0x0000000074A10000-0x0000000074FBB000-memory.dmp

          Filesize

          5.7MB

        • memory/1612-83-0x0000000074A10000-0x0000000074FBB000-memory.dmp

          Filesize

          5.7MB

        • memory/1976-87-0x0000000000400000-0x000000000043D000-memory.dmp

          Filesize

          244KB