Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    22-01-2024 01:09

General

  • Target

    9d82f36ec33a7bab08d0e402d0ef7b2ae43996ded21a26e531fc262b81736738.exe

  • Size

    656KB

  • MD5

    20ae567b9f37d20eefaca43852f589a7

  • SHA1

    14e64f7f146a3fc4234c233b3062f060451a3709

  • SHA256

    9d82f36ec33a7bab08d0e402d0ef7b2ae43996ded21a26e531fc262b81736738

  • SHA512

    c4e2575892fb3639eb2d54116d5fb4f067d042d47ac66169b20d6b677e6c6d4c241ae3d76a0a45de4b180d9ed81184d6488af003f4b93275ca7fc56eec0079c8

  • SSDEEP

    12288:usT7Fd9npfQL32ikCaUS4csRBse6sfWkAA:bT7Frdy3k94cunZekB

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\9d82f36ec33a7bab08d0e402d0ef7b2ae43996ded21a26e531fc262b81736738.exe
    "C:\Users\Admin\AppData\Local\Temp\9d82f36ec33a7bab08d0e402d0ef7b2ae43996ded21a26e531fc262b81736738.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:748
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 748 -s 1732
      2⤵
        PID:1488

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      344B

      MD5

      94b38fbc5f528614641af1bdeddbc733

      SHA1

      b0658ce0c7eee32f2ba54c6bfcf971246e300e4d

      SHA256

      29cfd7f5e883532b3758efb9c80357e16c1bc15ae4279695f5f4b30619017c05

      SHA512

      94fa3279a310375bd76e0294a4b55106f853508932e3577785de8dfadf487ae86efb74dec704f6455c3c052cc633030bb9e60d61e87b98ae92dedde670c0ed58

    • C:\Users\Admin\AppData\Local\Temp\Cab6D27.tmp

      Filesize

      65KB

      MD5

      ac05d27423a85adc1622c714f2cb6184

      SHA1

      b0fe2b1abddb97837ea0195be70ab2ff14d43198

      SHA256

      c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

      SHA512

      6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

    • C:\Users\Admin\AppData\Local\Temp\Tar7969.tmp

      Filesize

      171KB

      MD5

      9c0c641c06238516f27941aa1166d427

      SHA1

      64cd549fb8cf014fcd9312aa7a5b023847b6c977

      SHA256

      4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

      SHA512

      936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

    • memory/748-0-0x0000000000DE0000-0x0000000000E8A000-memory.dmp

      Filesize

      680KB

    • memory/748-1-0x000007FEF5C20000-0x000007FEF660C000-memory.dmp

      Filesize

      9.9MB

    • memory/748-2-0x000000001B000000-0x000000001B080000-memory.dmp

      Filesize

      512KB

    • memory/748-74-0x000007FEF5C20000-0x000007FEF660C000-memory.dmp

      Filesize

      9.9MB

    • memory/748-75-0x000000001B000000-0x000000001B080000-memory.dmp

      Filesize

      512KB