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Analysis

  • max time kernel
    144s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-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
  • 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 33 IoCs
  • Modifies registry class 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 28 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 AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1708
    • C:\Windows\SysWOW64\cscript.exe
      "C:\Windows\system32\cscript.exe" "C:\Program Files (x86)\EditPlus\kk42.icw"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1640
      • C:\Windows\SysWow64\WScript.exe
        "C:\Windows\SysWow64\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\kk42.icw"
        3⤵
          PID:976
      • 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:1324
    • 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:1356
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1356 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1212

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\EditPlus\kk42.icw

      Filesize

      132B

      MD5

      17d3ed508b8e08416d70679bcca77cb7

      SHA1

      f3c5e2ae93500ee5f21b08c11f1a80e99b4bbf88

      SHA256

      96665d956d22876f8e4bbd8ed67e17d6aaacc2500a4aa6f3dcd257107392eae1

      SHA512

      14e69e712ce82c25b971a734a18cff1887608dd2fe1736455aca67a53be3056ffa2130f676eb734eb124894eb7696f168e6246a3d58668cab8f6e1a23b7d9ca2

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\YVAOSHTM.txt

      Filesize

      606B

      MD5

      66734f3ce3265b6f3a9a84d644492694

      SHA1

      490e57d0b529da92898469c4cfdc19fe69874b68

      SHA256

      fbc4c4cbada3efcf709db7412e53e79a07019c2d8ddc3fa2083a40b027bd8f8f

      SHA512

      77fde4cdd574a2a6c8588e17c369ebbda33e3810c60ae28389e78b44388c022f49466bdd2a5c7e2652a0f64bcb496f72b8593c1b5937f015375a5df59c271602

    • 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\kk42.icw

      Filesize

      742B

      MD5

      a6975196a17ca355234234af05c9f30a

      SHA1

      5afdcea9ec5992b9e7a5fc01d330a5684f15d16e

      SHA256

      6918913bad2b92bc722fc5e59eb19cf3370de253ef3fc96bdc9290c8048ea22d

      SHA512

      f03ce0b50de3bb635469b092cd028a5d1ced95b8d0b48f096484e9c2f7b5f20b1c1307652c8f1cb94a14f6fb20efd01138de2ccd2f7288438020839fbe05b368

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

      Filesize

      80KB

      MD5

      d2a43490acc2c80d87139db0dedb537e

      SHA1

      8f36e5865a03511b04961692af6053ce4365db96

      SHA256

      b9e841ae979cff45a71df03cdc18a7908cc36a79d2aa72896714248be818644d

      SHA512

      d8b3382755848e0b53b785054effd034546eb5919b4c1f248de484a56342ebe5d62a2ff3f4629e72361e32bad0cee179d5eaedaf9508e106ef74740413197a34

    • \Users\Admin\AppData\Local\Temp\nso8613.tmp\System.dll

      Filesize

      11KB

      MD5

      c17103ae9072a06da581dec998343fc1

      SHA1

      b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

      SHA256

      dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

      SHA512

      d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

    • \Users\Admin\AppData\Local\Temp\nso8613.tmp\nsExec.dll

      Filesize

      6KB

      MD5

      acc2b699edfea5bf5aae45aba3a41e96

      SHA1

      d2accf4d494e43ceb2cff69abe4dd17147d29cc2

      SHA256

      168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

      SHA512

      e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

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

      Filesize

      44KB

      MD5

      7c30927884213f4fe91bbe90b591b762

      SHA1

      65693828963f6b6a5cbea4c9e595e06f85490f6f

      SHA256

      9032757cabb19a10e97e158810f885a015f3dcd5ba3da44c795d999ea90f8994

      SHA512

      8aadb5fd3750ab0c036c7b8d2c775e42688265b00fe75b43a6addaefc7ee20d9fa3f074dd7943570c8519943011eda08216e90551b6d6a782b9ed5ce20aa6bab

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

      Filesize

      80KB

      MD5

      d2a43490acc2c80d87139db0dedb537e

      SHA1

      8f36e5865a03511b04961692af6053ce4365db96

      SHA256

      b9e841ae979cff45a71df03cdc18a7908cc36a79d2aa72896714248be818644d

      SHA512

      d8b3382755848e0b53b785054effd034546eb5919b4c1f248de484a56342ebe5d62a2ff3f4629e72361e32bad0cee179d5eaedaf9508e106ef74740413197a34

    • memory/1708-54-0x0000000075451000-0x0000000075453000-memory.dmp

      Filesize

      8KB