Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    22-01-2024 01:05

General

  • Target

    83494244a31078e44d5296c4800226796327bf0a7b808370cbea9d08b11e21c3.exe

  • Size

    657KB

  • MD5

    492628e54afdc3b18772f94f8ca1d8e2

  • SHA1

    5e434f89a18dff3e053adafbd999fab2b89730f8

  • SHA256

    83494244a31078e44d5296c4800226796327bf0a7b808370cbea9d08b11e21c3

  • SHA512

    3832077d77c98b194adfc46e1e7c9ae783d34c8ea9d9860487aad0d81c0d6bce490acca110430600dace7c82f2a5df226bb5f28e9ee353a2237eb152bebd9a2d

  • SSDEEP

    12288:yEKHeon+KQL32ikCaUS4csRBse6sfW/AA:yEKH7vy3k94cunZe/B

Score
10/10

Malware Config

Signatures

  • Detects Echelon Stealer payload 2 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\83494244a31078e44d5296c4800226796327bf0a7b808370cbea9d08b11e21c3.exe
    "C:\Users\Admin\AppData\Local\Temp\83494244a31078e44d5296c4800226796327bf0a7b808370cbea9d08b11e21c3.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2232
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2232 -s 1728
      2⤵
        PID:956

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Defense Evasion

    Subvert Trust Controls

    1
    T1553

    Install Root Certificate

    1
    T1553.004

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      65KB

      MD5

      ac05d27423a85adc1622c714f2cb6184

      SHA1

      b0fe2b1abddb97837ea0195be70ab2ff14d43198

      SHA256

      c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

      SHA512

      6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357
      Filesize

      1KB

      MD5

      a266bb7dcc38a562631361bbf61dd11b

      SHA1

      3b1efd3a66ea28b16697394703a72ca340a05bd5

      SHA256

      df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

      SHA512

      0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

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

      344B

      MD5

      d1814ade1018ca33ed965e8414eca48c

      SHA1

      4a6d356f06ade293a567fcbbeedfd50a752d323f

      SHA256

      3cb52ab2eb880ffd32c0e8e74e58df9056df3c02b6662630b60964da0ae83ef2

      SHA512

      b2cd0053c159d40be55c608bd58913fa396d4a5824f968b065c26d9708ee2498f4f9c389c63b15c6c6b186224bdc9add99fc454b0a7fe0c88623577ce4012a78

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357
      Filesize

      242B

      MD5

      173d11365812af99bfd5f0be92b11e2f

      SHA1

      a61d61b6289e4a0006c62d9a8cb8a068eb8fe4fb

      SHA256

      49e405c27b00f8172037c9163fcb7ed7a2000fb7ff0ddabbdc5db59e4bed077e

      SHA512

      2994c05ce135d48ed2884385d9cdbdee1b7350851101e481c49779c3ab05a335b87e7a8b471b39a147181388aa85903df4f622560178d86186bef851ac0ba542

    • C:\Users\Admin\AppData\Local\Temp\Tar1E7E.tmp
      Filesize

      171KB

      MD5

      9c0c641c06238516f27941aa1166d427

      SHA1

      64cd549fb8cf014fcd9312aa7a5b023847b6c977

      SHA256

      4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

      SHA512

      936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

    • memory/2232-0-0x0000000000E00000-0x0000000000EAA000-memory.dmp
      Filesize

      680KB

    • memory/2232-1-0x000007FEF5250000-0x000007FEF5C3C000-memory.dmp
      Filesize

      9.9MB

    • memory/2232-2-0x000000001AF40000-0x000000001AFC0000-memory.dmp
      Filesize

      512KB

    • memory/2232-89-0x000007FEF5250000-0x000007FEF5C3C000-memory.dmp
      Filesize

      9.9MB