Analysis

  • max time kernel
    9s
  • max time network
    10s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    31-01-2024 13:57

General

  • Target

    31012024_2156_CommunitySetup.msi

  • Size

    17.1MB

  • MD5

    eb64b1dbb38961bdb4c0f4b724b1ed3d

  • SHA1

    a375bc847388cdddc6cffd57dc7f0c3d6be72cdf

  • SHA256

    cf5d6c68811f37d9ae1a9cc62abc1987fdd8900d271fdaa01d4a84853d7db10d

  • SHA512

    5c56b478f88002e10b3bea6ed2151a8e89e1693270effaa6ded943b1325b0d1e1a4aa9fa66fd8b372f70da86feab6cee781518bb50514dfb341a9767a01d36a7

  • SSDEEP

    393216:QnEbwdw5PBbXDqPiHNTS3ByWhGhz3iQw0FHufQMfh1GD6QGhNgqx9OPNQNI62vho:pbwdwnBtcFhG1w0MVZ1GD6QGhNpwsIne

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Blocklisted process makes network request 4 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 Windows directory 10 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 4 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\31012024_2156_CommunitySetup.msi
    1⤵
    • Blocklisted process makes network request
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3040
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Blocklisted process makes network request
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1044
    • C:\Users\Admin\AppData\Local\Programs\Clip Plus Community\dsw.exe
      "C:\Users\Admin\AppData\Local\Programs\Clip Plus Community\dsw.exe"
      2⤵
      • Executes dropped EXE
      PID:1824
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2680
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000003CC" "00000000000003D0"
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:2956

Network

MITRE ATT&CK Matrix ATT&CK v13

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Config.Msi\f762464.rbs
    Filesize

    12KB

    MD5

    6428065bb837570b91fa59efa7c81d3f

    SHA1

    47826c706498fa95a90e5fad9d09edb75356b99e

    SHA256

    88a129d7088989010edf45627420d3d9c075acce1c99a46c05ead7bb52c37831

    SHA512

    7bd93940286aaff480a90ba252998f8f3473d365be758fe8e7b2841b8aa90ee23e3006bb861f238117c3c57d538fa8c55b11e8df9a6ea0d22f48124348bd9bde

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357
    Filesize

    1KB

    MD5

    a266bb7dcc38a562631361bbf61dd11b

    SHA1

    3b1efd3a66ea28b16697394703a72ca340a05bd5

    SHA256

    df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

    SHA512

    0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    344B

    MD5

    7642e3b2d93d60f1eaaef398fa3dd931

    SHA1

    257c2906ba47618a22e20e8964b53ee1b798774c

    SHA256

    2a1ae7b53589789148f6bae0616c768c681fd0fc410a8b57c0d17ec6f3c7a615

    SHA512

    c578176d8605ceb98d862595bc1fc9c940bec96a24774e963496ca5cc172e049b1b3aeccb799c46bd1dc26666973bcb65b134c598b46f7a02291d466ce04185c

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357
    Filesize

    242B

    MD5

    7000bcd356168ce0bf37cebc6c1ba867

    SHA1

    9164c8e178cab3ca6a5d20132326ddb543210bba

    SHA256

    e2a9361df3df83ebae0c301b9c4e370289ba25038fd0d50cec9173ebb033d35e

    SHA512

    b0d99a354f596cca4fde71a05ee3aafb3f563b5e2e3ba12d9ae8fb17c72e5003e26f590530cc1e90653cf497be8b6c0209d8347d9bf5bbbf92d0cca5afa1529d

  • C:\Users\Admin\AppData\Local\Programs\Clip Plus Community\basswasapi.dll
    Filesize

    21KB

    MD5

    cdfbe254cc64959fc0fc1200f41f34c0

    SHA1

    4e0919a8a5c4b23441e51965eaaa77f485584c01

    SHA256

    9513129c0bb417698a60c5e4dd232963605d1c84e01b9f883f63d03b453173a9

    SHA512

    63704a7a4d0cd8b53972e29fcbee71f2c3eb86a0411f90fc8375e67cb4b3bddb36c753f3f5b113c3ca333c381f86a19e2168218cc2074f05ad1143bc118cd610

  • C:\Users\Admin\AppData\Local\Programs\Clip Plus Community\irender.dll
    Filesize

    64KB

    MD5

    8b38bcca2d9c9a02dd8ce668427fde51

    SHA1

    46864e89e2f744e31086e3cc276394aebe3be920

    SHA256

    58d06980017a62c030ecbe32a090ac90ae10583ede4f55491bac5b4fcb30f200

    SHA512

    33ffaae24634b5c3eb3732ef43942d9a8b3f9d5018d26a72f306924f8a5481012dce0350527022fbe748e93fced6dfcd6d1f68473559713f40dd6b5fd1fe7050

  • C:\Users\Admin\AppData\Local\Temp\Tar89D.tmp
    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • \Users\Admin\AppData\Local\Programs\Clip Plus Community\bass.dll
    Filesize

    135KB

    MD5

    8e58fcc0672a66c827c6f90fa4b58538

    SHA1

    3e807dfd27259ae7548692a05af4fe54f8dd32ed

    SHA256

    6e1bf8ea63f9923687709f4e2f0dac7ff558b2ab923e8c8aa147384746e05b1d

    SHA512

    0e9faf457a278ad4c5dd171f65c24f6a027696d931a9a2a2edd4e467da8b8a9e4ab3b1fd2d758f5744bf84bece88c046cda5f7e4204bead14d7c36a46702b768

  • \Users\Admin\AppData\Local\Programs\Clip Plus Community\irender.dll
    Filesize

    45KB

    MD5

    1cd2a0ab1997fee4c12032159aeed369

    SHA1

    2bf5767053a9eed277df0ceb848381cb7518e6e6

    SHA256

    a5aaa514c5f3d27385ad043f31e9775bc3406e0fc8f534bd30ade32028942854

    SHA512

    9d45aa67a40950e23fe7f114212c1b22dd43cf809730eca5f4655b9edd180e37b6febffe804dbbe77b50e9b4c0a996fee3815434f93410915f75241efa30de62