Analysis

  • max time kernel
    126s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/09/2024, 10:45

General

  • Target

    cf5dccf686de7a16054ec3419a75c1a5_JaffaCakes118.exe

  • Size

    136KB

  • MD5

    cf5dccf686de7a16054ec3419a75c1a5

  • SHA1

    5aa40828f604a042d1265ec08b7e314e05fb9e08

  • SHA256

    d20aa4ac95e146a78c71027d0528805ddc1f481533d58ad5aaa669bfbe1732bd

  • SHA512

    a587638061e765dc8864e585bc72359ef734a41e3d4b974b115c4efaa5d193540e00730e744c8d2487d14ff991b21364f166abaeda9d1527376d9cc839e07c33

  • SSDEEP

    3072:JnOn7t7XpdpCCTg/sxFgJceq8KKsCLHRBQY7ySZVIiUoFKW:JKpdcCrTf8KQdFv08

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cf5dccf686de7a16054ec3419a75c1a5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\cf5dccf686de7a16054ec3419a75c1a5_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4780
    • C:\Users\Admin\AppData\Local\Temp\nsp510B.tmp\dmgr.exe
      C:\Users\Admin\AppData\Local\Temp\nsp510B.tmp\dmgr.exe /e67375 /u4dc9054e-38b0-4614-bdd5-20605bc06f26
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of SetWindowsHookEx
      PID:512
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4400,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=4404 /prefetch:8
    1⤵
      PID:2172

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\nsp510B.tmp\System.dll

      Filesize

      21KB

      MD5

      5ebc73650256e9c8ddbcda231db829a1

      SHA1

      988d4535e18754ab2a6248abae96c5697d7dbcd5

      SHA256

      1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

      SHA512

      b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

    • C:\Users\Admin\AppData\Local\Temp\nsp510B.tmp\dmgr.exe

      Filesize

      138KB

      MD5

      d4cb506b1742f5b79e09450765a870c3

      SHA1

      408d0ac789de4b42dd212681a7b9f5cd6f36ecb9

      SHA256

      8b68c55ad5e9424917256d8bfbdde8a0563e58db10d6772b7cb15626a5ed4a6a

      SHA512

      432fb02212c841a35b71759f1a4200b94082542c1e68e7c5c90f46ee59fe9cb53073d2c5e8ab982135ccec918b6c15b5d5de591bc42a0581b1bf0175e3621c66

    • memory/512-13-0x0000000073E22000-0x0000000073E23000-memory.dmp

      Filesize

      4KB

    • memory/512-14-0x0000000073E20000-0x00000000743D1000-memory.dmp

      Filesize

      5.7MB

    • memory/512-15-0x0000000073E20000-0x00000000743D1000-memory.dmp

      Filesize

      5.7MB

    • memory/512-26-0x0000000073E20000-0x00000000743D1000-memory.dmp

      Filesize

      5.7MB

    • memory/512-27-0x0000000073E20000-0x00000000743D1000-memory.dmp

      Filesize

      5.7MB

    • memory/512-28-0x0000000073E20000-0x00000000743D1000-memory.dmp

      Filesize

      5.7MB

    • memory/512-29-0x0000000073E20000-0x00000000743D1000-memory.dmp

      Filesize

      5.7MB

    • memory/512-30-0x0000000073E20000-0x00000000743D1000-memory.dmp

      Filesize

      5.7MB

    • memory/512-31-0x0000000073E22000-0x0000000073E23000-memory.dmp

      Filesize

      4KB

    • memory/512-32-0x0000000073E20000-0x00000000743D1000-memory.dmp

      Filesize

      5.7MB

    • memory/512-34-0x0000000073E20000-0x00000000743D1000-memory.dmp

      Filesize

      5.7MB

    • memory/4780-38-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB