Analysis

  • max time kernel
    122s
  • 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 01:13

General

  • Target

    fa4bfaa4c5710bc2e0ee0a9030015413708c347b1b753782164b622bd7efe727.exe

  • Size

    654KB

  • MD5

    5e280ffb77936e4b4fa7a697f8dca51f

  • SHA1

    33383e8f7135a609f18907ced91290bb43d19aa7

  • SHA256

    fa4bfaa4c5710bc2e0ee0a9030015413708c347b1b753782164b622bd7efe727

  • SHA512

    8b16968ffe4eb3bfa8e962129f59bc6b7b0e1c77ac4814820960defdda0ad96464af51fcd5814063ea0e8e2f26ca7c983bed286d79cd320a0fa23f3d8a9eca77

  • SSDEEP

    12288:1Lx7XSz9yWCQL32ikCaUS4csRBse6sfWyAA:1LBc90y3k94cunZeyB

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\fa4bfaa4c5710bc2e0ee0a9030015413708c347b1b753782164b622bd7efe727.exe
    "C:\Users\Admin\AppData\Local\Temp\fa4bfaa4c5710bc2e0ee0a9030015413708c347b1b753782164b622bd7efe727.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2508
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2508 -s 1812
      2⤵
        PID:1232

    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

      4d31f906e24fe9ecb3d75066c0921070

      SHA1

      31e0e44b9c3c9d50bd11d5c8e80f27542803b2cb

      SHA256

      7e7736b4567239caa36b34d714d3cb7c38cee509082b7ee68f04f9dd533fb0ba

      SHA512

      41dcc38bd3a8426f0b0e698059e812c96664daab031f3c9284bcce5405a0712939e14fc85290dc472157ddb2a63a7ab48cd89de5dd0b6dd3cc96c8bd206aa1c7

    • C:\Users\Admin\AppData\Local\Temp\Cab5D4E.tmp
      Filesize

      65KB

      MD5

      ac05d27423a85adc1622c714f2cb6184

      SHA1

      b0fe2b1abddb97837ea0195be70ab2ff14d43198

      SHA256

      c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

      SHA512

      6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

    • C:\Users\Admin\AppData\Local\Temp\Tar5DFD.tmp
      Filesize

      171KB

      MD5

      9c0c641c06238516f27941aa1166d427

      SHA1

      64cd549fb8cf014fcd9312aa7a5b023847b6c977

      SHA256

      4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

      SHA512

      936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

    • memory/2508-0-0x0000000000E50000-0x0000000000EFA000-memory.dmp
      Filesize

      680KB

    • memory/2508-1-0x000007FEF5600000-0x000007FEF5FEC000-memory.dmp
      Filesize

      9.9MB

    • memory/2508-2-0x000000001A820000-0x000000001A8A0000-memory.dmp
      Filesize

      512KB

    • memory/2508-64-0x000007FEF5600000-0x000007FEF5FEC000-memory.dmp
      Filesize

      9.9MB

    • memory/2508-65-0x000000001A820000-0x000000001A8A0000-memory.dmp
      Filesize

      512KB