Analysis

  • max time kernel
    120s
  • 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 01:05

General

  • Target

    f1d3b652d8026acb0c7fcd47cd8a86002078a4d5ff752e890de2e320341cee39.exe

  • Size

    659KB

  • MD5

    92933a0252bc4abf9ed78609672226f6

  • SHA1

    c737bfb1cf71acd63803e3c78c1e1ed4ccda640e

  • SHA256

    f1d3b652d8026acb0c7fcd47cd8a86002078a4d5ff752e890de2e320341cee39

  • SHA512

    9a28da55f116c472d712c57ec2fef6bb80e2779d485d61f66b5176f15e8a8ea9093a572f8df541c1b7b7864d5c3f7cb055663ccb23cb7871689d1ad7c8785a05

  • SSDEEP

    12288:pA03baY4nblrmoQL32ikCaUS4csRBse6sfWmAA:pA03baYabUoy3k94cunZemB

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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f1d3b652d8026acb0c7fcd47cd8a86002078a4d5ff752e890de2e320341cee39.exe
    "C:\Users\Admin\AppData\Local\Temp\f1d3b652d8026acb0c7fcd47cd8a86002078a4d5ff752e890de2e320341cee39.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2296
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2296 -s 1644
      2⤵
        PID:2696

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      344B

      MD5

      f33e877c3c2f827818a2fda14159a260

      SHA1

      6f4088e4573db68a967d5ae039f8ac4896b72324

      SHA256

      b2f77deafe24e1d00d134b6462dac00b5b1ab764eaa908bd526f4e5a76910034

      SHA512

      37b4cb0561d6d110800bf790b1b36f9c24952ca62c0a71226c50719a3f8647e2eed032f227541c0aaff5486d27a31ee4b27e77798fd4232ff9f3857e25923e4b

    • C:\Users\Admin\AppData\Local\Temp\Cab5478.tmp

      Filesize

      65KB

      MD5

      ac05d27423a85adc1622c714f2cb6184

      SHA1

      b0fe2b1abddb97837ea0195be70ab2ff14d43198

      SHA256

      c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

      SHA512

      6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

    • C:\Users\Admin\AppData\Local\Temp\Tar54E9.tmp

      Filesize

      171KB

      MD5

      9c0c641c06238516f27941aa1166d427

      SHA1

      64cd549fb8cf014fcd9312aa7a5b023847b6c977

      SHA256

      4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

      SHA512

      936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

    • memory/2296-0-0x0000000000EC0000-0x0000000000F6A000-memory.dmp

      Filesize

      680KB

    • memory/2296-1-0x000007FEF5250000-0x000007FEF5C3C000-memory.dmp

      Filesize

      9.9MB

    • memory/2296-2-0x000000001B0A0000-0x000000001B120000-memory.dmp

      Filesize

      512KB

    • memory/2296-74-0x000007FEF5250000-0x000007FEF5C3C000-memory.dmp

      Filesize

      9.9MB

    • memory/2296-75-0x000000001B0A0000-0x000000001B120000-memory.dmp

      Filesize

      512KB