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 01:09

General

  • Target

    1423c0bd9e24a29ae046e30a6bd8f93e2fb79ef5568a82982bfdea7dd7fbf6cc.exe

  • Size

    656KB

  • MD5

    e5c4dfc2eec2701e29fd4fbd9eeeaa74

  • SHA1

    229d7c107ba39d420ee2fcce7ed1dc9c268bd82b

  • SHA256

    1423c0bd9e24a29ae046e30a6bd8f93e2fb79ef5568a82982bfdea7dd7fbf6cc

  • SHA512

    ddf5e9417c5ac4c266a31ff272ceca596dc21b06258c21953e77c56135d726b3005b1ae14ef03472795335194360f7733d70bf24be8d2b4e2de1aa3ee09e724d

  • SSDEEP

    6144:0jsXsq2XgCnQ48gSO/+uCInHLhJI4FY/ixjci6ychf8xalGQGtSV41kJDsTDDpBu:0soLnpIQL32ikCaUS4csRBse6sfW/AA

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\1423c0bd9e24a29ae046e30a6bd8f93e2fb79ef5568a82982bfdea7dd7fbf6cc.exe
    "C:\Users\Admin\AppData\Local\Temp\1423c0bd9e24a29ae046e30a6bd8f93e2fb79ef5568a82982bfdea7dd7fbf6cc.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1872
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1872 -s 1736
      2⤵
        PID:1644

    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

      d0ea94aa4370e33993788110fc21a0a2

      SHA1

      6d7626fe978d0891bfd50908881e3e6bf30c73c7

      SHA256

      15da84a435cbbaa05c6e718f10f008b0b6510376050a647eac7bfdf884d8c8ef

      SHA512

      06b25aee917de6533753f14113c4fc5bbeefb9fc11dcfe679373f68ae1256db994f85586800b42b3b6a6f4f4ed4f73f07e5e6fc0b2c96dc3eacb7d0497b7480b

    • C:\Users\Admin\AppData\Local\Temp\Cab2F0E.tmp
      Filesize

      65KB

      MD5

      ac05d27423a85adc1622c714f2cb6184

      SHA1

      b0fe2b1abddb97837ea0195be70ab2ff14d43198

      SHA256

      c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

      SHA512

      6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

    • C:\Users\Admin\AppData\Local\Temp\Tar2FBD.tmp
      Filesize

      171KB

      MD5

      9c0c641c06238516f27941aa1166d427

      SHA1

      64cd549fb8cf014fcd9312aa7a5b023847b6c977

      SHA256

      4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

      SHA512

      936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

    • memory/1872-0-0x00000000002A0000-0x000000000034A000-memory.dmp
      Filesize

      680KB

    • memory/1872-1-0x000007FEF5AF0000-0x000007FEF64DC000-memory.dmp
      Filesize

      9.9MB

    • memory/1872-2-0x000000001AF30000-0x000000001AFB0000-memory.dmp
      Filesize

      512KB

    • memory/1872-64-0x000007FEF5AF0000-0x000007FEF64DC000-memory.dmp
      Filesize

      9.9MB