Analysis

  • max time kernel
    118s
  • max time network
    122s
  • 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

    d1b01198e7d83256c27540b075ce9de4e18cac1c73e83001d9e7398e8fbb2549.exe

  • Size

    653KB

  • MD5

    4d5105d2259c6392e806eb17794a31cd

  • SHA1

    ec92cb1cefcf9a3e92dbbf68c7566f3435942dd1

  • SHA256

    d1b01198e7d83256c27540b075ce9de4e18cac1c73e83001d9e7398e8fbb2549

  • SHA512

    49aa185eb5331e1d6449d23cfffa8875c1964ee8f6e136fdc07a4ffa204a2d9458ae30d7567b8cb8504ebf19072411f33163f5a6efdb0ba12741c2ab3ac8b2ed

  • SSDEEP

    6144:CmDm/12Uqs/nh7IyMSogUNKSuCInHLhJI4FY/ixjci6ychf8xalGQGtSV41kJDsY:LD4wyxQQL32ikCaUS4csRBse6sfWdAA

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\d1b01198e7d83256c27540b075ce9de4e18cac1c73e83001d9e7398e8fbb2549.exe
    "C:\Users\Admin\AppData\Local\Temp\d1b01198e7d83256c27540b075ce9de4e18cac1c73e83001d9e7398e8fbb2549.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1992 -s 1736
      2⤵
        PID:2148

    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

      bd9dcfd46e533ede56638d803607db83

      SHA1

      63ace32b595eef0fe3bdb581058d7336fd515b77

      SHA256

      0233207f367ef6b5fb22e2cac5b6a11918cdefad9119e91b5fbf91d1437c5bf9

      SHA512

      d687ddf959b64d95380d6b9e96e3e03b73b65ae4a70dca4413ead5a7f799ea39c8b59f7b8ad875010312d7acb1adaa31b45d373e383c433f4fe188c81896109b

    • C:\Users\Admin\AppData\Local\Temp\Cab539E.tmp
      Filesize

      65KB

      MD5

      ac05d27423a85adc1622c714f2cb6184

      SHA1

      b0fe2b1abddb97837ea0195be70ab2ff14d43198

      SHA256

      c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

      SHA512

      6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

    • C:\Users\Admin\AppData\Local\Temp\Tar547B.tmp
      Filesize

      171KB

      MD5

      9c0c641c06238516f27941aa1166d427

      SHA1

      64cd549fb8cf014fcd9312aa7a5b023847b6c977

      SHA256

      4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

      SHA512

      936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

    • memory/1992-0-0x00000000010A0000-0x000000000114A000-memory.dmp
      Filesize

      680KB

    • memory/1992-1-0x000007FEF5B30000-0x000007FEF651C000-memory.dmp
      Filesize

      9.9MB

    • memory/1992-2-0x000000001AF40000-0x000000001AFC0000-memory.dmp
      Filesize

      512KB

    • memory/1992-64-0x000007FEF5B30000-0x000007FEF651C000-memory.dmp
      Filesize

      9.9MB

    • memory/1992-65-0x000000001AF40000-0x000000001AFC0000-memory.dmp
      Filesize

      512KB