Analysis

  • max time kernel
    119s
  • 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 01:01

General

  • Target

    fa268000fddf1a39ea54a8ce9dd79e16ef8f0d5346a31b4df6f0fa45e4118c48.exe

  • Size

    659KB

  • MD5

    71b753aeb5601a16b3fd2d6856e37c33

  • SHA1

    99d18d47b4b69b0be7d95e008392f0aa110cbf41

  • SHA256

    fa268000fddf1a39ea54a8ce9dd79e16ef8f0d5346a31b4df6f0fa45e4118c48

  • SHA512

    bc94f0c0fedc40f1266c1b5855510e4131a2b66fd5dad9256371e10ea83c6e9b9d6f2e2ae973ee1492b5bb3a3967b8cfee2b7a7146e8bf41ffe782321d6dc0a9

  • SSDEEP

    12288:tA03baVe7aXE5XQL32ikCaUS4csRBse6sfWTAA:tA03baVeu8Xy3k94cunZeTB

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\fa268000fddf1a39ea54a8ce9dd79e16ef8f0d5346a31b4df6f0fa45e4118c48.exe
    "C:\Users\Admin\AppData\Local\Temp\fa268000fddf1a39ea54a8ce9dd79e16ef8f0d5346a31b4df6f0fa45e4118c48.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 1656
      2⤵
        PID:3044

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      344B

      MD5

      dc04691f123b78cb37ed47d5f94dd6a0

      SHA1

      b8d10a38d232d208d44b4a8f8a964044bd5417d6

      SHA256

      64676c6dba8f0987ee7ea2faabec4e5437f22bc964666394e0cf76e4f3aa1ead

      SHA512

      3d199e6114a08e6c513b1ed86f89ed98113772fdb6ad13f344fbd12c52bb27ca01f38ebbe22e516ba35cbbbad672f0cccaeb336a38c8842ba390d2a96ac0540a

    • C:\Users\Admin\AppData\Local\Temp\Cab1A18.tmp

      Filesize

      65KB

      MD5

      ac05d27423a85adc1622c714f2cb6184

      SHA1

      b0fe2b1abddb97837ea0195be70ab2ff14d43198

      SHA256

      c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

      SHA512

      6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

    • C:\Users\Admin\AppData\Local\Temp\Tar1AB7.tmp

      Filesize

      171KB

      MD5

      9c0c641c06238516f27941aa1166d427

      SHA1

      64cd549fb8cf014fcd9312aa7a5b023847b6c977

      SHA256

      4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

      SHA512

      936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

    • memory/1992-0-0x00000000010C0000-0x000000000116C000-memory.dmp

      Filesize

      688KB

    • memory/1992-1-0x000007FEF5EC0000-0x000007FEF68AC000-memory.dmp

      Filesize

      9.9MB

    • memory/1992-2-0x0000000000B10000-0x0000000000B90000-memory.dmp

      Filesize

      512KB

    • memory/1992-64-0x000007FEF5EC0000-0x000007FEF68AC000-memory.dmp

      Filesize

      9.9MB