Resubmissions

22-11-2023 17:02

231122-vkac9adg64 10

19-01-2021 19:24

210119-s26yznnqsn 10

19-11-2020 13:14

201119-s41ec6lt86 10

Analysis

  • max time kernel
    153s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    19-01-2021 19:24

General

  • Target

    2c01b007729230c415420ad641ad92eb.exe

  • Size

    1MB

  • MD5

    daef338f9c47d5394b7e1e60ce38d02d

  • SHA1

    c0a07e8c32528d29aae26aaecbf6a67ed95b8c8e

  • SHA256

    5d03fd083b626a5516194d5e94576349100c9c98ca7d6845642ed9579980ca58

  • SHA512

    d0f4050fc2c5f38ab598729fb6930c84bf779d47b5a8b4e860bc0e9ca8be454ad5dce001d8f88299d8a079eafd4c26efcdd2d196352acfe45e940cc107fcebf4

Malware Config

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • NirSoft MailPassView 5 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 5 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 8 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 5 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 1011 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 61 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2c01b007729230c415420ad641ad92eb.exe
    "C:\Users\Admin\AppData\Local\Temp\2c01b007729230c415420ad641ad92eb.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Users\Admin\AppData\Roaming\wou\odm.exe
      "C:\Users\Admin\AppData\Roaming\wou\odm.exe" kja-pex
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1708
      • C:\Users\Admin\AppData\Roaming\wou\odm.exe
        C:\Users\Admin\AppData\Roaming\wou\odm.exe C:\Users\Admin\AppData\Roaming\wou\WCNDU
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:548
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
          4⤵
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:1796
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
            C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
            5⤵
              PID:1832
            • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
              C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
              5⤵
                PID:1068
            • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
              C:\Users\Admin\AppData\Roaming\wou\WCNDU
              4⤵
              • Adds Run key to start application
              • Suspicious behavior: EnumeratesProcesses
              PID:996
      • C:\Windows\SysWOW64\DllHost.exe
        C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
        1⤵
        • Suspicious use of FindShellTrayWindow
        PID:1980

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Execution

      Scripting

      1
      T1064

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Defense Evasion

      Scripting

      1
      T1064

      Modify Registry

      1
      T1112

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\holderwb.txt
        MD5

        f3b25701fe362ec84616a93a45ce9998

        SHA1

        d62636d8caec13f04e28442a0a6fa1afeb024bbb

        SHA256

        b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

        SHA512

        98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

      • C:\Users\Admin\AppData\Roaming\wou\WCNDU
        MD5

        9375872d82fbfe00eb4f6e608aa170d8

        SHA1

        b6d6f7059c025075141293cc0c1f80c1063ef75b

        SHA256

        a1b44347af8b2b2bf0409bb96e99f012035dc494ef44db409dbcd2bb726ff2e9

        SHA512

        f05e7f8c5d4edc6c41c0a2e4c63492a8578a4ae44e093396214fe422b90bd6e6d5fc98e1d8c4ee2253845a8b1a0bf202cd27450f641a8261d7f660b26162b863

      • C:\Users\Admin\AppData\Roaming\wou\ait.ico
        MD5

        f6efac00916f3425d6079ae5a956df11

        SHA1

        3153abfe46186c1186882f67444c82c544615fb7

        SHA256

        1e866a8f06f125fa1c439f9cb00199be827e74b87eae12368bd1e2cf7ab28728

        SHA512

        0ba766d5816057941ad9afc80f7b20620b0120411357fe2b97ab0a425b32d4309396ed4866c8b23c92893ed68971c4a8a8c6f25ffa411ba0c70b602a63bd4743

      • C:\Users\Admin\AppData\Roaming\wou\kja-pex
        MD5

        8a37b55b28fa2ca380713e4b00144c65

        SHA1

        991526e3ba7fda254889cf3c227c2a0d0d658730

        SHA256

        345feda5f00dd3f9f9e3156a81028e0cac5e72421d835a7b6712351c1d304220

        SHA512

        97f8448356fc5cb6b83e3e15c58992d1364ae319057df68fb1776cde2050ff89505141809a7b167f473c63e2fc3ebeee93c4638e62a6cac0a3dd49f8e13ad6e5

      • C:\Users\Admin\AppData\Roaming\wou\odm.exe
        MD5

        71d8f6d5dc35517275bc38ebcc815f9f

        SHA1

        cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

        SHA256

        fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

        SHA512

        4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

      • C:\Users\Admin\AppData\Roaming\wou\odm.exe
        MD5

        71d8f6d5dc35517275bc38ebcc815f9f

        SHA1

        cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

        SHA256

        fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

        SHA512

        4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

      • C:\Users\Admin\AppData\Roaming\wou\odm.exe
        MD5

        71d8f6d5dc35517275bc38ebcc815f9f

        SHA1

        cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

        SHA256

        fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

        SHA512

        4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

      • C:\Users\Admin\AppData\Roaming\wou\rid.ico
        MD5

        a5f2dcee6a2a6047aa8fdde1ae2ce290

        SHA1

        7a082661c9a3431cd89ed4d9959178d60b9570f7

        SHA256

        7da78e767ff859970c8dae593b62f1366c2c651500eb280f0077a2245a9a8625

        SHA512

        e001300fc56f9bc8e9d61cb904ea6dec5ca447729015c9ff3dccc021f319fcce57ebaabb196a56f80d249dfbb88b4a0a273858cf14c7b9a93c10c9c8bc243d0a

      • C:\Users\Admin\AppData\Roaming\wou\spd
        MD5

        098f6bcd4621d373cade4e832627b4f6

        SHA1

        a94a8fe5ccb19ba61c4c0873d391e987982fbbd3

        SHA256

        9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08

        SHA512

        ee26b0dd4af7e749aa1a8ee3c10ae9923f618980772e473f8819a5d4940e0db27ac185f8a0e1d5f84f88bc887fd67b143732c304cc5fa9ad8e6f57f50028a8ff

      • C:\Users\Admin\AppData\Roaming\wou\zbackup- Copy.png
        MD5

        6285049d1e4f854943856164652da8d8

        SHA1

        f29c791ddb940be594bfb431eca7d4cb6d9e2688

        SHA256

        0aeb7e8a131b53991567db463519ea005d41ddd1f227a744d4f7066805ce684f

        SHA512

        2bb954a07f82c19b26d745ac19cd66e6eb82c525db0bd6e9e6880b0077465897d7fc49521d40361262c9dccdba4de6cead5b7d8dc09a9beaae2d668537097291

      • \Users\Admin\AppData\Roaming\wou\odm.exe
        MD5

        71d8f6d5dc35517275bc38ebcc815f9f

        SHA1

        cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

        SHA256

        fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

        SHA512

        4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

      • \Users\Admin\AppData\Roaming\wou\odm.exe
        MD5

        71d8f6d5dc35517275bc38ebcc815f9f

        SHA1

        cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

        SHA256

        fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

        SHA512

        4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

      • \Users\Admin\AppData\Roaming\wou\odm.exe
        MD5

        71d8f6d5dc35517275bc38ebcc815f9f

        SHA1

        cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

        SHA256

        fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

        SHA512

        4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

      • \Users\Admin\AppData\Roaming\wou\odm.exe
        MD5

        71d8f6d5dc35517275bc38ebcc815f9f

        SHA1

        cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

        SHA256

        fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

        SHA512

        4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

      • \Users\Admin\AppData\Roaming\wou\odm.exe
        MD5

        71d8f6d5dc35517275bc38ebcc815f9f

        SHA1

        cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

        SHA256

        fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

        SHA512

        4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

      • memory/548-21-0x0000000000000000-mapping.dmp
      • memory/996-29-0x00000000001264E1-mapping.dmp
      • memory/996-33-0x0000000000110000-0x00000000001DC000-memory.dmp
        Filesize

        816KB

      • memory/996-28-0x0000000000110000-0x00000000001DC000-memory.dmp
        Filesize

        816KB

      • memory/1068-43-0x0000000000400000-0x0000000000458000-memory.dmp
        Filesize

        352KB

      • memory/1068-41-0x0000000000442628-mapping.dmp
      • memory/1068-40-0x0000000000400000-0x0000000000458000-memory.dmp
        Filesize

        352KB

      • memory/1468-16-0x000007FEF6380000-0x000007FEF65FA000-memory.dmp
        Filesize

        2MB

      • memory/1628-2-0x00000000761E1000-0x00000000761E3000-memory.dmp
        Filesize

        8KB

      • memory/1628-4-0x0000000001FA0000-0x0000000001FA2000-memory.dmp
        Filesize

        8KB

      • memory/1708-10-0x0000000000000000-mapping.dmp
      • memory/1796-31-0x0000000000110000-0x0000000000111000-memory.dmp
        Filesize

        4KB

      • memory/1796-32-0x0000000000111000-0x0000000000112000-memory.dmp
        Filesize

        4KB

      • memory/1796-26-0x000000000047EAEE-mapping.dmp
      • memory/1796-38-0x0000000000116000-0x0000000000127000-memory.dmp
        Filesize

        68KB

      • memory/1796-25-0x0000000000400000-0x0000000000484000-memory.dmp
        Filesize

        528KB

      • memory/1832-35-0x0000000000400000-0x000000000041B000-memory.dmp
        Filesize

        108KB

      • memory/1832-36-0x0000000000411654-mapping.dmp
      • memory/1832-39-0x0000000000400000-0x000000000041B000-memory.dmp
        Filesize

        108KB

      • memory/1980-13-0x0000000000270000-0x0000000000271000-memory.dmp
        Filesize

        4KB

      • memory/1980-5-0x00000000001B0000-0x00000000001B2000-memory.dmp
        Filesize

        8KB