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Analysis

  • max time kernel
    149s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    07/05/2024, 12:00

General

  • Target

    6a2fe577791deb66c3f24aeae12b09d0_NEAS.exe

  • Size

    70KB

  • MD5

    6a2fe577791deb66c3f24aeae12b09d0

  • SHA1

    d1aa0da2aeceb4b8598a2faacf31a2f7fcb3674f

  • SHA256

    41f5997e595804f1173d7f5b3fb4edaea80ba3d8dc14a075659bfaa035304ddc

  • SHA512

    1afb4520e68254f8b7ff2f58b22d34c8aada40d21548175981c0df81de942e3ef0575d59f0a2a444b7619eb4737581fa67b3bb01f7e2dcedc949f0c1dfe530d3

  • SSDEEP

    1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8sl6S5:Olg35GTslA5t3/w8s5

Malware Config

Signatures

  • Windows security bypass 2 TTPs 4 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • Sets file execution options in registry 2 TTPs 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Windows security modification 2 TTPs 4 IoCs
  • Modifies WinLogon 2 TTPs 5 IoCs
  • Drops file in System32 directory 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:436
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1188
        • C:\Users\Admin\AppData\Local\Temp\6a2fe577791deb66c3f24aeae12b09d0_NEAS.exe
          "C:\Users\Admin\AppData\Local\Temp\6a2fe577791deb66c3f24aeae12b09d0_NEAS.exe"
          2⤵
          • Loads dropped DLL
          • Drops file in System32 directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3068
          • C:\Windows\SysWOW64\otnanet-oteab.exe
            "C:\Windows\system32\otnanet-oteab.exe"
            3⤵
            • Windows security bypass
            • Modifies Installed Components in the registry
            • Sets file execution options in registry
            • Executes dropped EXE
            • Loads dropped DLL
            • Windows security modification
            • Modifies WinLogon
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2960
            • C:\Windows\SysWOW64\otnanet-oteab.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:2564

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\ealhutim-eatix.dll

        Filesize

        5KB

        MD5

        f37b21c00fd81bd93c89ce741a88f183

        SHA1

        b2796500597c68e2f5638e1101b46eaf32676c1c

        SHA256

        76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

        SHA512

        252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

      • C:\Windows\SysWOW64\eattoafead.exe

        Filesize

        73KB

        MD5

        c8995ff11067ef99a962659f5e1838b8

        SHA1

        e879cce37245bcd6c7fd422bfe49725085a8273f

        SHA256

        2bc16a0bde01bcdf58cc753592925d502fc01de7218dcd59fb52ca86dba57e26

        SHA512

        2b473735cba9b089f3fafd88918cb91f0e68f8ac0ed1143b4588dfd7cb9a13bda4c16a1fb5df9ae0f819996d92ad9c98b9eb7e51b785d5e5dfca8b605e0408bf

      • C:\Windows\SysWOW64\ehkecer-outac.exe

        Filesize

        72KB

        MD5

        f9014d05a8fcc28c69d3250d36856df0

        SHA1

        1414b41299c4c0ec0e16d76c07ca2096cb926495

        SHA256

        594914590d981edeb1761fb0a6d8517b80cbbe08642046b79ff73841ac623bb4

        SHA512

        c131b438eb73cc61315b50d8185cfe55dac530a2fa4be04d879ced33586e9dc32a06019964e7608c47302b5d39813b29f0348ae48027a8104b01f0fc346e7cd0

      • \Windows\SysWOW64\otnanet-oteab.exe

        Filesize

        70KB

        MD5

        6a2fe577791deb66c3f24aeae12b09d0

        SHA1

        d1aa0da2aeceb4b8598a2faacf31a2f7fcb3674f

        SHA256

        41f5997e595804f1173d7f5b3fb4edaea80ba3d8dc14a075659bfaa035304ddc

        SHA512

        1afb4520e68254f8b7ff2f58b22d34c8aada40d21548175981c0df81de942e3ef0575d59f0a2a444b7619eb4737581fa67b3bb01f7e2dcedc949f0c1dfe530d3

      • memory/2564-56-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2960-55-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3068-10-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB