Analysis

  • max time kernel
    119s
  • max time network
    123s
  • 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

    372af6a973a811ce7a33818c0b2dbf2f619916bcc8b804a2319ce49368c53c7a.exe

  • Size

    656KB

  • MD5

    696406fd9d9ac1e30f2b40f6cb604c79

  • SHA1

    99e6e63f6fddfd03a8fd761f073e651567dde0f9

  • SHA256

    372af6a973a811ce7a33818c0b2dbf2f619916bcc8b804a2319ce49368c53c7a

  • SHA512

    fbe1d63c3b0112d286df126aa3e32f5b97029e7cd34c161f53df229481d70e34086433c8599d6423d625bc9bc0517bcffae5bdf9a51652249d02c619698cfec5

  • SSDEEP

    6144:kjsXCtcnQ48gSQ/muCInHLhJI4FY/ixjci6ychf8xalGQGtSV41kJDsTDDpBnsej:EsyKnp4QL32ikCaUS4csRBse6sfWgAA

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\372af6a973a811ce7a33818c0b2dbf2f619916bcc8b804a2319ce49368c53c7a.exe
    "C:\Users\Admin\AppData\Local\Temp\372af6a973a811ce7a33818c0b2dbf2f619916bcc8b804a2319ce49368c53c7a.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2172
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2172 -s 1736
      2⤵
        PID:3016

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      344B

      MD5

      294cf027dbc78ac6e232e14c6b6e7288

      SHA1

      074693061c2eb3a02563348b072589e5125cfb67

      SHA256

      198a5fa43667ebaf489d8fc3c87671c04c488fa2af45f5b702b2cc32103a8a27

      SHA512

      7f8bbca7b8e4076789f1ad26ce27b3df4f76b1108ea10544d6e680d2dc93fd30661acc07e31d0d3fbb2797999291c5e1dec53e527cf40b524e29b790d20a7696

    • C:\Users\Admin\AppData\Local\Temp\Cab6431.tmp

      Filesize

      65KB

      MD5

      ac05d27423a85adc1622c714f2cb6184

      SHA1

      b0fe2b1abddb97837ea0195be70ab2ff14d43198

      SHA256

      c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

      SHA512

      6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

    • C:\Users\Admin\AppData\Local\Temp\Tar651E.tmp

      Filesize

      171KB

      MD5

      9c0c641c06238516f27941aa1166d427

      SHA1

      64cd549fb8cf014fcd9312aa7a5b023847b6c977

      SHA256

      4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

      SHA512

      936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

    • memory/2172-0-0x0000000000C30000-0x0000000000CDA000-memory.dmp

      Filesize

      680KB

    • memory/2172-1-0x000007FEF5500000-0x000007FEF5EEC000-memory.dmp

      Filesize

      9.9MB

    • memory/2172-2-0x000000001B240000-0x000000001B2C0000-memory.dmp

      Filesize

      512KB

    • memory/2172-64-0x000007FEF5500000-0x000007FEF5EEC000-memory.dmp

      Filesize

      9.9MB

    • memory/2172-65-0x000000001B240000-0x000000001B2C0000-memory.dmp

      Filesize

      512KB