Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    22-01-2024 01:05

General

  • Target

    50ec312ca31e71d5128358026056711660baacc13e9a88af64363155dca7df79.exe

  • Size

    659KB

  • MD5

    e2812ccf1dd1f50c7a435e8c30b151a8

  • SHA1

    0d76a779b75599e30a43f8a03f5581c8f3e19e2a

  • SHA256

    50ec312ca31e71d5128358026056711660baacc13e9a88af64363155dca7df79

  • SHA512

    c716c58a4c66cf27ea22c2e7042391d27209d138d01b4fdc14576d0f8546d62cebf7d9956c44705802df722e41bb45b9aff27a4e94afa04ec1230646d3885009

  • SSDEEP

    12288:yA03baYUMm7XEOfQL32ikCaUS4csRBse6sfWnAA:yA03baYUBjfy3k94cunZenB

Score
10/10

Malware Config

Signatures

  • Detects Echelon Stealer payload 1 IoCs
  • Echelon

    Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\50ec312ca31e71d5128358026056711660baacc13e9a88af64363155dca7df79.exe
    "C:\Users\Admin\AppData\Local\Temp\50ec312ca31e71d5128358026056711660baacc13e9a88af64363155dca7df79.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2056
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2056 -s 1644
      2⤵
        PID:328

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      344B

      MD5

      7fdc752fee9a097be4464486b3b47373

      SHA1

      8600541d01a3eb91e4e146279b4b17d7a1950b55

      SHA256

      cf26f846d05ba75853a860e77bbcac234b7b319821001245220bba788dccaefb

      SHA512

      ce85390f3b17bc6c952e44fef9428d932fa8344571f2a1c6478a3e2c54e3289f2e9bd44a10788b0329861af3f88695964652ce581bcaabf7b2bbfd545cddd100

    • C:\Users\Admin\AppData\Local\Temp\Cab6E5F.tmp

      Filesize

      65KB

      MD5

      ac05d27423a85adc1622c714f2cb6184

      SHA1

      b0fe2b1abddb97837ea0195be70ab2ff14d43198

      SHA256

      c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

      SHA512

      6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

    • C:\Users\Admin\AppData\Local\Temp\Tar6F2C.tmp

      Filesize

      171KB

      MD5

      9c0c641c06238516f27941aa1166d427

      SHA1

      64cd549fb8cf014fcd9312aa7a5b023847b6c977

      SHA256

      4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

      SHA512

      936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

    • memory/2056-0-0x0000000000F40000-0x0000000000FEC000-memory.dmp

      Filesize

      688KB

    • memory/2056-1-0x000007FEF5840000-0x000007FEF622C000-memory.dmp

      Filesize

      9.9MB

    • memory/2056-2-0x0000000000430000-0x00000000004B0000-memory.dmp

      Filesize

      512KB

    • memory/2056-64-0x000007FEF5840000-0x000007FEF622C000-memory.dmp

      Filesize

      9.9MB

    • memory/2056-65-0x0000000000430000-0x00000000004B0000-memory.dmp

      Filesize

      512KB