Analysis

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

    559352e3fce2411d57970e4376f4e6e987ff8632b3f132a229cedbbebabd02ff.exe

  • Size

    659KB

  • MD5

    bd96a846220050b86645baf604f0d55f

  • SHA1

    994293b8fed3bc6252be130bb6062078e2a43a1b

  • SHA256

    559352e3fce2411d57970e4376f4e6e987ff8632b3f132a229cedbbebabd02ff

  • SHA512

    2c673ede537c16aed303fc9a290656691fc46ce6b955675b4045a913ba14e37d37ee5bb8b284fd43cb366b396ad9ad496b302b13cdd43968a2eb0002a629a911

  • SSDEEP

    12288:2A03baYRBhlrf6QL32ikCaUS4csRBse6sfWpAA:2A03baY3hh6y3k94cunZepB

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\559352e3fce2411d57970e4376f4e6e987ff8632b3f132a229cedbbebabd02ff.exe
    "C:\Users\Admin\AppData\Local\Temp\559352e3fce2411d57970e4376f4e6e987ff8632b3f132a229cedbbebabd02ff.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2076
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2076 -s 1648
      2⤵
        PID:2636

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      344B

      MD5

      bef24631ef61e661cdc7676cfd2b84be

      SHA1

      e24d089c23c85dd8acfd32bd9a759042345939dd

      SHA256

      fae02ce7f64b97c28ece5aceba077710bc1cd3c91a338ed518a43e96fe1ba362

      SHA512

      872dc4c497b9c43683c5e2c7922db67568c19479d7d0b7a8b860951d6299f6696c9f7bb11a8d9637f69e7ab5205c7a224e5a84d5b3030cf89faeb9e48cb8c048

    • C:\Users\Admin\AppData\Local\Temp\Cab2129.tmp

      Filesize

      65KB

      MD5

      ac05d27423a85adc1622c714f2cb6184

      SHA1

      b0fe2b1abddb97837ea0195be70ab2ff14d43198

      SHA256

      c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

      SHA512

      6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

    • C:\Users\Admin\AppData\Local\Temp\Tar21B9.tmp

      Filesize

      171KB

      MD5

      9c0c641c06238516f27941aa1166d427

      SHA1

      64cd549fb8cf014fcd9312aa7a5b023847b6c977

      SHA256

      4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

      SHA512

      936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

    • memory/2076-0-0x0000000000800000-0x00000000008AA000-memory.dmp

      Filesize

      680KB

    • memory/2076-1-0x000007FEF5A90000-0x000007FEF647C000-memory.dmp

      Filesize

      9.9MB

    • memory/2076-2-0x000000001AC90000-0x000000001AD10000-memory.dmp

      Filesize

      512KB

    • memory/2076-64-0x000007FEF5A90000-0x000007FEF647C000-memory.dmp

      Filesize

      9.9MB