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Analysis

  • max time kernel
    91s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/12/2022, 05:33

General

  • Target

    c26cc3d38d881060e6abcf4cbf13ebb42b538a4e912c52d8068ba397523dcddc.exe

  • Size

    95KB

  • MD5

    4eedf8bf372c39c75a50075600bff2db

  • SHA1

    7ba3c1eddd267004386ef94347d26cc4a88cc655

  • SHA256

    c26cc3d38d881060e6abcf4cbf13ebb42b538a4e912c52d8068ba397523dcddc

  • SHA512

    f363e156f67888fba1067f84018a6488f45ebd0fe0a5b83a5655179724286a212caeb2c88707ada5615b554e5b2a5135b16fba51643d3515fdcb3edc6a0a3f6d

  • SSDEEP

    1536:EpgpHzb9dZVX9fHMvG0D3XJ3B/f2gUBglcADKd56zAmxFGlbJUcFJVKM5aUro:ygXdZt9P6D3XJ3JOgkjADKd5H+FkFJnw

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 4 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Internet Explorer settings 1 TTPs 34 IoCs
  • Modifies registry class 11 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c26cc3d38d881060e6abcf4cbf13ebb42b538a4e912c52d8068ba397523dcddc.exe
    "C:\Users\Admin\AppData\Local\Temp\c26cc3d38d881060e6abcf4cbf13ebb42b538a4e912c52d8068ba397523dcddc.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3488
    • C:\Windows\SysWOW64\cscript.exe
      "C:\Windows\system32\cscript.exe" "C:\Program Files (x86)\EditPlus\kk21.icw"
      2⤵
      • Checks computer location settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1760
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\SysWow64\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\kk21.icw"
        3⤵
          PID:4672
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\installstat.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\installstat.exe
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:4184
    • C:\Program Files (x86)\Internet Explorer\ielowutil.exe
      "C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding
      1⤵
        PID:1320
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
        1⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:208
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:208 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4140

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\EditPlus\kk21.icw

        Filesize

        132B

        MD5

        e058cfbecae7b18539fe0e001ac9155d

        SHA1

        58eae38055c4da25db4092d2dd921257c3c15ad2

        SHA256

        80551877522e3e1ed29a0ee2085700676a2a1f037fd183b27cc36e265f3b5d11

        SHA512

        01193f0e457b993557a0d3ecf96fa2d35a16d748001f7476f118d4ccae392b547696806908ca955d62e48cb85dc4b0c018120431abbc96a0d78d97afd9835be4

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

        Filesize

        471B

        MD5

        ac572cbbc82d6d652cdbe2596aeac4ee

        SHA1

        a631b27cf33fe134f42ed411d7ea06c21df41ad5

        SHA256

        50b6d8f62150a7bd25fb3e462130e8e054a0f1fb619487e8c426a4c8bf6bdca8

        SHA512

        070095ec83e4eeccae5dcbadcb3132f08fd0aac50badbc42cb72691236b6cfcdf14ce275fb1bf5511896bb4dd25c2121e044341003c1a507be8fabc0b2b1bfff

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

        Filesize

        434B

        MD5

        e7cca73344ac0986819fb5f594aed467

        SHA1

        f4851df543f1fe2b62a023032dcf0bb4a29f5d6e

        SHA256

        cfcd2d216baa497f0ddd49bbca099e14187b36ff659a9e1978d2b57bb4913619

        SHA512

        5a84fee517af1144a0ce7c5311d2759c749ef7d51cca1dafda48270a4fc86b247e055c6c33e78d6af632e9b32fca9630e449cb93e7b93fbea8125adee1110bf7

      • C:\Users\Admin\AppData\Local\Temp\nsoB859.tmp\System.dll

        Filesize

        11KB

        MD5

        c17103ae9072a06da581dec998343fc1

        SHA1

        b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

        SHA256

        dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

        SHA512

        d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

      • C:\Users\Admin\AppData\Local\Temp\nsoB859.tmp\nsExec.dll

        Filesize

        6KB

        MD5

        acc2b699edfea5bf5aae45aba3a41e96

        SHA1

        d2accf4d494e43ceb2cff69abe4dd17147d29cc2

        SHA256

        168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

        SHA512

        e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

      • C:\Users\Admin\AppData\Local\Temp\nsoB859.tmp\nsExec.dll

        Filesize

        6KB

        MD5

        acc2b699edfea5bf5aae45aba3a41e96

        SHA1

        d2accf4d494e43ceb2cff69abe4dd17147d29cc2

        SHA256

        168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

        SHA512

        e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\installstat.exe

        Filesize

        44KB

        MD5

        7c30927884213f4fe91bbe90b591b762

        SHA1

        65693828963f6b6a5cbea4c9e595e06f85490f6f

        SHA256

        9032757cabb19a10e97e158810f885a015f3dcd5ba3da44c795d999ea90f8994

        SHA512

        8aadb5fd3750ab0c036c7b8d2c775e42688265b00fe75b43a6addaefc7ee20d9fa3f074dd7943570c8519943011eda08216e90551b6d6a782b9ed5ce20aa6bab

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\installstat.exe

        Filesize

        44KB

        MD5

        7c30927884213f4fe91bbe90b591b762

        SHA1

        65693828963f6b6a5cbea4c9e595e06f85490f6f

        SHA256

        9032757cabb19a10e97e158810f885a015f3dcd5ba3da44c795d999ea90f8994

        SHA512

        8aadb5fd3750ab0c036c7b8d2c775e42688265b00fe75b43a6addaefc7ee20d9fa3f074dd7943570c8519943011eda08216e90551b6d6a782b9ed5ce20aa6bab

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\kk21.icw

        Filesize

        742B

        MD5

        3e3636c44a7a462472e7ea0bcbd15369

        SHA1

        ddceab0479aaced49abaadf1a85c394a87cee651

        SHA256

        429ab575e6761709da9d69d42a033b0f28f213be1d967a1c3002d76946bfb0d2

        SHA512

        32e7983715eac4b335488d613d5becf62f83ffa6a4a0031c46cd31b5f673b319e27f66071ae3120f9add88d8f22cc84b8501081ffb2da704a4022c94b6c47519

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\statistics.dll

        Filesize

        80KB

        MD5

        d2a43490acc2c80d87139db0dedb537e

        SHA1

        8f36e5865a03511b04961692af6053ce4365db96

        SHA256

        b9e841ae979cff45a71df03cdc18a7908cc36a79d2aa72896714248be818644d

        SHA512

        d8b3382755848e0b53b785054effd034546eb5919b4c1f248de484a56342ebe5d62a2ff3f4629e72361e32bad0cee179d5eaedaf9508e106ef74740413197a34

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\statistics.dll

        Filesize

        80KB

        MD5

        d2a43490acc2c80d87139db0dedb537e

        SHA1

        8f36e5865a03511b04961692af6053ce4365db96

        SHA256

        b9e841ae979cff45a71df03cdc18a7908cc36a79d2aa72896714248be818644d

        SHA512

        d8b3382755848e0b53b785054effd034546eb5919b4c1f248de484a56342ebe5d62a2ff3f4629e72361e32bad0cee179d5eaedaf9508e106ef74740413197a34