Analysis

  • max time kernel
    121s
  • max time network
    125s
  • 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

    f65774fca90cccd25b93b1740aca26281d9f7bcb6e15132efb349ae76855893e.exe

  • Size

    657KB

  • MD5

    391850e90ec940adcd9b7f4c3e3b0852

  • SHA1

    88690065d5149ea656964ea4489ba29e067cce37

  • SHA256

    f65774fca90cccd25b93b1740aca26281d9f7bcb6e15132efb349ae76855893e

  • SHA512

    1ae3fb1996ce4b3f29771cb148c9818b9d08015dc70e85460d2a098df467e7fc9b94abc540160fa126d7c01cddc1d57a06ba69e6236662e755d7a82ab645e146

  • SSDEEP

    12288:dEEwSHwn+gQL32ikCaUS4csRBse6sfWYAA:dEEzQFy3k94cunZeYB

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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f65774fca90cccd25b93b1740aca26281d9f7bcb6e15132efb349ae76855893e.exe
    "C:\Users\Admin\AppData\Local\Temp\f65774fca90cccd25b93b1740aca26281d9f7bcb6e15132efb349ae76855893e.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3000
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3000 -s 1736
      2⤵
        PID:1500

    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\MetaData\94308059B57B3142E455B38A6EB92015
      Filesize

      344B

      MD5

      4afbcd338686195edccdfe576ca44d77

      SHA1

      ec754919a9740185124c3cb6c1c987ee2dd5e5db

      SHA256

      f2c0691c2b17407284db2a2ce597ac912f614aa7aa4b8c629921b4c0df626749

      SHA512

      16886405d8df6ef4f9fddb2dac791274f681e6c3fa25837133245439566a6598df1600896b59cddb9d282468b300f4647ae5438f4237a96e7823c5d1a6c6e49b

    • C:\Users\Admin\AppData\Local\Temp\CabA8CF.tmp
      Filesize

      65KB

      MD5

      ac05d27423a85adc1622c714f2cb6184

      SHA1

      b0fe2b1abddb97837ea0195be70ab2ff14d43198

      SHA256

      c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

      SHA512

      6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

    • C:\Users\Admin\AppData\Local\Temp\TarA98D.tmp
      Filesize

      171KB

      MD5

      9c0c641c06238516f27941aa1166d427

      SHA1

      64cd549fb8cf014fcd9312aa7a5b023847b6c977

      SHA256

      4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

      SHA512

      936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

    • memory/3000-0-0x0000000000D50000-0x0000000000DFA000-memory.dmp
      Filesize

      680KB

    • memory/3000-1-0x000007FEF5460000-0x000007FEF5E4C000-memory.dmp
      Filesize

      9.9MB

    • memory/3000-2-0x000000001B030000-0x000000001B0B0000-memory.dmp
      Filesize

      512KB

    • memory/3000-74-0x000007FEF5460000-0x000007FEF5E4C000-memory.dmp
      Filesize

      9.9MB

    • memory/3000-75-0x000000001B030000-0x000000001B0B0000-memory.dmp
      Filesize

      512KB