Analysis

  • max time kernel
    99s
  • max time network
    106s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    05/08/2023, 03:03

General

  • Target

    nvim-win64.msi

  • Size

    39.8MB

  • MD5

    f256936ddc4d9127861e6205498a384c

  • SHA1

    e8231e931847b092a10622487757bce540e1dadc

  • SHA256

    07a9f278635b91478ced01be1f2818b924b436f1d2e2867c687b7a92b6e702e0

  • SHA512

    6317475164c45eec2a8e6bc99716128ddef168b04087887d0b859617ea5911d5b686f63227f4ef4f7d21e353f40f0585f3e93589fbeccd7a14cfdf2c9e120e5f

  • SSDEEP

    786432:IRm76RfBO0BGNfwkB4r3h79A4PwPh543RC0S0/JkitDUksLWG7M4LN:4TfB4NfwkB4N75Ef+RD6ixILWG7M4LN

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 2 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 9 IoCs
  • Modifies data under HKEY_USERS 43 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\nvim-win64.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2328
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2464
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 99244ED4C2C9C70053422E0E49C09FDF C
      2⤵
      • Loads dropped DLL
      PID:3040
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
      PID:2964
    • C:\Windows\system32\DrvInst.exe
      DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000004B0" "00000000000004A0"
      1⤵
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      PID:2920

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Config.Msi\f77c68c.rbs

      Filesize

      323KB

      MD5

      f2ac365b3bb2445f4b93c5d2053afc66

      SHA1

      877cfd787491c3ea2c204fbb5149cd74d9d97090

      SHA256

      89579d3c6c07b6b8d12ea52ab7a2cacdbfe183d656a134fedbd082fe6fc7a53c

      SHA512

      51b6dce77ad937cbf18fcbd20b85f7f8253fbce551c0d9cd9574e4b33ee483c4f37973c64b1b030080530884c89775df4df22e4be05174383a0e85fcda2a8c06

    • C:\Program Files\Neovim\bin\nvim-qt.exe

      Filesize

      3.6MB

      MD5

      248542f04503f79bd62f5606405a6c7c

      SHA1

      b75faa1cf48a3daa1407f44fc81352e54c441d0d

      SHA256

      98f8d620ea6c88d31a13bb9012da7f491a6e83097663b2cc0d77a6769364e84c

      SHA512

      2dcc7156c25c013bdad39c5b4b12280e7578163743599e5d3ac98fd887aa905e2e3e53a8bea42e03ebe22bb776e213e51471e167754788762a4fb865295fa7c3

    • C:\Program Files\Neovim\share\nvim\runtime\ftplugin\indent.lua

      Filesize

      33B

      MD5

      8352b5a6f13d67ad2c73f072796a1a39

      SHA1

      d0e47d775fc6606c71416c4daa0adbb15189f453

      SHA256

      2eff59bce8ddee7f0a539f1d31e20db6d3d07bd03215df2f661bf02c5499d345

      SHA512

      276c8eab9aa94a4658a4c900f5f6feee56a5c80663a9332f22484dcf1af28cc497ad59042ab88b06e27f6e8725d0fd6ae448fe8e015358be7ede5e5f3496fa83

    • C:\Users\Admin\AppData\Local\Temp\MSI87F5.tmp

      Filesize

      113KB

      MD5

      4fdd16752561cf585fed1506914d73e0

      SHA1

      f00023b9ae3c8ce5b7bb92f25011eaebe6f9d424

      SHA256

      aecd2d2fe766f6d439acc2bbf1346930ecc535012cf5ad7b3273d2875237b7e7

      SHA512

      3695e7eb1e35ec959243a91ab5b4454eb59aeef0f2699aa5de8e03de8fbb89f756a89130526da5c08815408cb700284a17936522ad2cad594c3e6e9d18a3f600

    • C:\Windows\Installer\f77c68a.msi

      Filesize

      39.8MB

      MD5

      f256936ddc4d9127861e6205498a384c

      SHA1

      e8231e931847b092a10622487757bce540e1dadc

      SHA256

      07a9f278635b91478ced01be1f2818b924b436f1d2e2867c687b7a92b6e702e0

      SHA512

      6317475164c45eec2a8e6bc99716128ddef168b04087887d0b859617ea5911d5b686f63227f4ef4f7d21e353f40f0585f3e93589fbeccd7a14cfdf2c9e120e5f

    • \Program Files\Neovim\bin\nvim-qt.exe

      Filesize

      3.6MB

      MD5

      248542f04503f79bd62f5606405a6c7c

      SHA1

      b75faa1cf48a3daa1407f44fc81352e54c441d0d

      SHA256

      98f8d620ea6c88d31a13bb9012da7f491a6e83097663b2cc0d77a6769364e84c

      SHA512

      2dcc7156c25c013bdad39c5b4b12280e7578163743599e5d3ac98fd887aa905e2e3e53a8bea42e03ebe22bb776e213e51471e167754788762a4fb865295fa7c3

    • \Program Files\Neovim\bin\nvim-qt.exe

      Filesize

      3.6MB

      MD5

      248542f04503f79bd62f5606405a6c7c

      SHA1

      b75faa1cf48a3daa1407f44fc81352e54c441d0d

      SHA256

      98f8d620ea6c88d31a13bb9012da7f491a6e83097663b2cc0d77a6769364e84c

      SHA512

      2dcc7156c25c013bdad39c5b4b12280e7578163743599e5d3ac98fd887aa905e2e3e53a8bea42e03ebe22bb776e213e51471e167754788762a4fb865295fa7c3

    • \Program Files\Neovim\bin\nvim-qt.exe

      Filesize

      3.6MB

      MD5

      248542f04503f79bd62f5606405a6c7c

      SHA1

      b75faa1cf48a3daa1407f44fc81352e54c441d0d

      SHA256

      98f8d620ea6c88d31a13bb9012da7f491a6e83097663b2cc0d77a6769364e84c

      SHA512

      2dcc7156c25c013bdad39c5b4b12280e7578163743599e5d3ac98fd887aa905e2e3e53a8bea42e03ebe22bb776e213e51471e167754788762a4fb865295fa7c3

    • \Program Files\Neovim\bin\nvim-qt.exe

      Filesize

      3.6MB

      MD5

      248542f04503f79bd62f5606405a6c7c

      SHA1

      b75faa1cf48a3daa1407f44fc81352e54c441d0d

      SHA256

      98f8d620ea6c88d31a13bb9012da7f491a6e83097663b2cc0d77a6769364e84c

      SHA512

      2dcc7156c25c013bdad39c5b4b12280e7578163743599e5d3ac98fd887aa905e2e3e53a8bea42e03ebe22bb776e213e51471e167754788762a4fb865295fa7c3

    • \Program Files\Neovim\bin\nvim.exe

      Filesize

      5.0MB

      MD5

      f906ef9ef06d18eb8410d3b6f6325702

      SHA1

      7c249034da5882e9cc7e7c4c762e1a4d1da47f64

      SHA256

      53d68005bbbf974fe89bf74f14d926d27a7ac29d008c9a5182da82a8b9817719

      SHA512

      490128f13873b9e1772271db44a1a4f32ed0cf759c0d25e1626648ed92efbb39d5878331cf9e9200b0f3d21a4c5d75549ff4f7ed8b2d2cf758910f75c503e824

    • \Users\Admin\AppData\Local\Temp\MSI87F5.tmp

      Filesize

      113KB

      MD5

      4fdd16752561cf585fed1506914d73e0

      SHA1

      f00023b9ae3c8ce5b7bb92f25011eaebe6f9d424

      SHA256

      aecd2d2fe766f6d439acc2bbf1346930ecc535012cf5ad7b3273d2875237b7e7

      SHA512

      3695e7eb1e35ec959243a91ab5b4454eb59aeef0f2699aa5de8e03de8fbb89f756a89130526da5c08815408cb700284a17936522ad2cad594c3e6e9d18a3f600