Analysis

  • max time kernel
    122s
  • 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 01:09

General

  • Target

    db44079e2ca46cdf65a5d0e187b734b86cd3ff6e44b272e4e5b387d85a2548f9.exe

  • Size

    656KB

  • MD5

    1da5056fb164f0bdb60933a8818c1c66

  • SHA1

    8d608239dfd2b0a7bcd469c31e7b73799cb13545

  • SHA256

    db44079e2ca46cdf65a5d0e187b734b86cd3ff6e44b272e4e5b387d85a2548f9

  • SHA512

    81633e068df3923679b9dcc4881f6678a0417c3aa756b1d7bfa9c7dea6e22857a6a9d010f6853d5816699b36cbcb5c7340957b2ae529ee169fe0ac64d6dd9adf

  • SSDEEP

    6144:5jsXkjonQ48gSQ/suCInHLhJI4FY/ixjci6ychf8xalGQGtSV41kJDsTDDpBnseF:9s0cnpCQL32ikCaUS4csRBse6sfWWAA

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\db44079e2ca46cdf65a5d0e187b734b86cd3ff6e44b272e4e5b387d85a2548f9.exe
    "C:\Users\Admin\AppData\Local\Temp\db44079e2ca46cdf65a5d0e187b734b86cd3ff6e44b272e4e5b387d85a2548f9.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2512
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2512 -s 1736
      2⤵
        PID:2848

    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

      f97327cca724c3ff049f090f6d5630ae

      SHA1

      691940948a2ee2dcb5746239cdd79668a205a46e

      SHA256

      6d7e1350e3f40b4f360425cadb27fb76d60efe4d3839f0790ebb674b7ddac21e

      SHA512

      69702ebcbc44cd3ffe9892d91d64e35fbf30e8b2b22c74f5522549cac49c7b8194ded6461b578bc254bd29845de1dd774ed8e4aaa948b6e959a3fa2f75629a4a

    • C:\Users\Admin\AppData\Local\Temp\Cab1D72.tmp
      Filesize

      65KB

      MD5

      ac05d27423a85adc1622c714f2cb6184

      SHA1

      b0fe2b1abddb97837ea0195be70ab2ff14d43198

      SHA256

      c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

      SHA512

      6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

    • C:\Users\Admin\AppData\Local\Temp\Tar1E11.tmp
      Filesize

      171KB

      MD5

      9c0c641c06238516f27941aa1166d427

      SHA1

      64cd549fb8cf014fcd9312aa7a5b023847b6c977

      SHA256

      4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

      SHA512

      936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

    • memory/2512-0-0x0000000000B20000-0x0000000000BCA000-memory.dmp
      Filesize

      680KB

    • memory/2512-1-0x000007FEF5E00000-0x000007FEF67EC000-memory.dmp
      Filesize

      9.9MB

    • memory/2512-2-0x00000000005E0000-0x0000000000660000-memory.dmp
      Filesize

      512KB

    • memory/2512-74-0x000007FEF5E00000-0x000007FEF67EC000-memory.dmp
      Filesize

      9.9MB