Analysis

  • max time kernel
    117s
  • max time network
    120s
  • 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

    919b5ef262dea9580ddb6ea3e712f88e2648668db0dc3cd9feb53b046596f5ad.exe

  • Size

    657KB

  • MD5

    4cf13cd80b2a4cee383bcb01bf282d14

  • SHA1

    41f1cdd2361a651882ab205aedfaf4e710aa0901

  • SHA256

    919b5ef262dea9580ddb6ea3e712f88e2648668db0dc3cd9feb53b046596f5ad

  • SHA512

    aee296c1d6ef4e4a6c67aa6488c7b2b29636954e36bd4c5de20ee588cab4251f4d11d7aea9e56b5eccbdf99d43bbb06a70a1ae09dad5bb7dc27a1f8c55d12745

  • SSDEEP

    12288:qEvA0tdewn+pQL32ikCaUS4csRBse6sfWlAA:qEvAMdjMy3k94cunZelB

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\919b5ef262dea9580ddb6ea3e712f88e2648668db0dc3cd9feb53b046596f5ad.exe
    "C:\Users\Admin\AppData\Local\Temp\919b5ef262dea9580ddb6ea3e712f88e2648668db0dc3cd9feb53b046596f5ad.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2528
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2528 -s 1732
      2⤵
        PID:2948

    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

      f601e5fadce7b3a21369bbddd17c478a

      SHA1

      788c9c25e0edb87a0b63f715e9424f12e262780e

      SHA256

      cc2883162becde7293ebf7a9318606c176d61cb3fc4fec85a2d38d8a126f9b70

      SHA512

      7efd43c207e3562490f7ac6eaf3fb0aa740e0c95f65de5aa1387ef3206bbce51f6e26954498be8266965f1b5c50b8224efe10d0be7cf4abb4e3f26c059c9ed7b

    • C:\Users\Admin\AppData\Local\Temp\Cab586E.tmp
      Filesize

      65KB

      MD5

      ac05d27423a85adc1622c714f2cb6184

      SHA1

      b0fe2b1abddb97837ea0195be70ab2ff14d43198

      SHA256

      c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

      SHA512

      6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

    • C:\Users\Admin\AppData\Local\Temp\Tar594C.tmp
      Filesize

      171KB

      MD5

      9c0c641c06238516f27941aa1166d427

      SHA1

      64cd549fb8cf014fcd9312aa7a5b023847b6c977

      SHA256

      4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

      SHA512

      936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

    • memory/2528-0-0x0000000000250000-0x00000000002FA000-memory.dmp
      Filesize

      680KB

    • memory/2528-1-0x000007FEF6290000-0x000007FEF6C7C000-memory.dmp
      Filesize

      9.9MB

    • memory/2528-2-0x000000001AFF0000-0x000000001B070000-memory.dmp
      Filesize

      512KB

    • memory/2528-64-0x000007FEF6290000-0x000007FEF6C7C000-memory.dmp
      Filesize

      9.9MB

    • memory/2528-65-0x000000001AFF0000-0x000000001B070000-memory.dmp
      Filesize

      512KB