Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    17/08/2024, 14:51

General

  • Target

    a2fa1a447ece356000187c74f09ab17d_JaffaCakes118.exe

  • Size

    134KB

  • MD5

    a2fa1a447ece356000187c74f09ab17d

  • SHA1

    0f93b7b0e2b69cb08e394c4ddc1625d75450220b

  • SHA256

    a4f889b063a79b4d3b897b53f2024a66a20fad7597e31985358e1b2f0002e127

  • SHA512

    a687dfdc7d91e6b089d2ef3045c827a2490cc51f7d256ae59f9a4d7465efc33e07fadbbfc8e26d5e3a1fd117d409f69a2d0d85209dcd69d4364768bcd01648b4

  • SSDEEP

    3072:PnOn7t7XpdpCCTg/sxFgJceq8KTCstxJqCNY9ZHNJ/PUTkEbH3pD/Td:PKpdcCrT/8KumxJngUoSpD/Td

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\a2fa1a447ece356000187c74f09ab17d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a2fa1a447ece356000187c74f09ab17d_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2456
    • C:\Users\Admin\AppData\Local\Temp\nst6F77.tmp\downloadmr.exe
      C:\Users\Admin\AppData\Local\Temp\nst6F77.tmp\downloadmr.exe /e2834347 /u4f96c0af-ae48-469a-a08c-2bb95bc06f2f
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of SetWindowsHookEx
      PID:2636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab71A9.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar71DB.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \Users\Admin\AppData\Local\Temp\nst6F77.tmp\System.dll

    Filesize

    21KB

    MD5

    5ebc73650256e9c8ddbcda231db829a1

    SHA1

    988d4535e18754ab2a6248abae96c5697d7dbcd5

    SHA256

    1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

    SHA512

    b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

  • \Users\Admin\AppData\Local\Temp\nst6F77.tmp\downloadmr.exe

    Filesize

    135KB

    MD5

    fb753ca8f8abe185c761c5a729552f05

    SHA1

    d87aeac1b5c45792997dd6da20687c2a60072665

    SHA256

    d9b21b59169dc040c604bf10bf53521633fbe54911a32ae9ea78136297f3c454

    SHA512

    271be08c81bc23ecf3ab0c6355f7c171cbd227b773b1cde3ff6389ea01246952bee4d8c213f4e2428ff6f62510dfbe609c66f079e0d4b03c148894989061ac15

  • memory/2456-88-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/2636-16-0x0000000073B40000-0x00000000740EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2636-17-0x0000000073B40000-0x00000000740EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2636-78-0x0000000073B40000-0x00000000740EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2636-79-0x0000000073B40000-0x00000000740EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2636-80-0x0000000073B40000-0x00000000740EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2636-81-0x0000000073B40000-0x00000000740EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2636-82-0x0000000073B40000-0x00000000740EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2636-83-0x0000000073B40000-0x00000000740EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2636-84-0x0000000073B40000-0x00000000740EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2636-15-0x0000000073B41000-0x0000000073B42000-memory.dmp

    Filesize

    4KB