Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-09-2024 14:39

General

  • Target

    wpsupdate.msi

  • Size

    39.8MB

  • MD5

    0c200d7664b0e178560f7f974e6aff63

  • SHA1

    f3ed74c5aa91de36a4a978d949b8b76752c853b3

  • SHA256

    f6b23380267c21f4f82efee4573c1eae7d89c69ab293e10f58aa45478c1bf1b2

  • SHA512

    b26c8dada559121f48ac6f3f15511e26c465c60b9d7b9a9ead4b175e32f32e7a6adbb77ed8cca269a88081a043efc7413b7c1a008e39bf41a36b6a2cbf698920

  • SSDEEP

    786432:dHB67xVCEOhHxvCIEL2qf38CW9M4OGEuU/mH+ng2yI/9b+sKf:/KC9hm7/AXOBuU/mH+g/2y5

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 10 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 11 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry class 22 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of WriteProcessMemory 22 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\wpsupdate.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3064
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1524
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding D03CDBF3E118348E27ADA85F298905AB M Global\MSI0000
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2892
      • C:\Program Files\IntegrateAdvisorVibrant\bYqyfBgulGkj.exe
        "C:\Program Files\IntegrateAdvisorVibrant\bYqyfBgulGkj.exe" x "C:\Program Files\IntegrateAdvisorVibrant\pQDfBqzqcAmCwxhiPfMj" -o"C:\Program Files\IntegrateAdvisorVibrant\" -pcwgpBxJASqrNthJgehkM -y
        3⤵
        • Drops file in Program Files directory
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1860
      • C:\Program Files\IntegrateAdvisorVibrant\TpuaDVwAtO16.exe
        "C:\Program Files\IntegrateAdvisorVibrant\TpuaDVwAtO16.exe" -number 262 -file file3 -mode mode3 -flag flag3
        3⤵
        • Drops file in Program Files directory
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        PID:1684
      • C:\Program Files\IntegrateAdvisorVibrant\wpsupdate.exe
        "C:\Program Files\IntegrateAdvisorVibrant\wpsupdate.exe"
        3⤵
        • Writes to the Master Boot Record (MBR)
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1316
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2160
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000004D0" "0000000000000590"
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:2884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Config.Msi\f76c351.rbs

    Filesize

    7KB

    MD5

    2aeaf155f4f04143026559b05eda7759

    SHA1

    e38b9f16c0f4d641931bd2fa19eded34d0c11d54

    SHA256

    4637e7d93f464ec7b865c4f7d29da132f3328cb8054656cb2fa74279323aaba7

    SHA512

    9609c5931afd1f75cd49fcb2136343c7fbcffbea6973dd336ffd4c79cfeb538c98814fa8bba7096494fc8d7758ebfe8051491112abe3b5cd882336df8e6d9838

  • C:\Program Files\IntegrateAdvisorVibrant\TpuaDVwAtO16.exe

    Filesize

    2.9MB

    MD5

    57d2f881bb7b9cf36a6c0ea46173c927

    SHA1

    2f12e389f828b77f93922b3643c2d8697bf64f0c

    SHA256

    4c9394ae6e91f94c57f904cd1ccd8df55566cff95b9a99fa7cd5ab9657e981a6

    SHA512

    84099bae1544e90418882d1da8d34f79c995623f8479558f621a89c7f04984f3ef99d56add81d9d240b3a3411ad671fc0bf9b24fb3cd8e030e36c12eb745e568

  • C:\Program Files\IntegrateAdvisorVibrant\bYqyfBgulGkj.exe

    Filesize

    574KB

    MD5

    42badc1d2f03a8b1e4875740d3d49336

    SHA1

    cee178da1fb05f99af7a3547093122893bd1eb46

    SHA256

    c136b1467d669a725478a6110ebaaab3cb88a3d389dfa688e06173c066b76fcf

    SHA512

    6bc519a7368ee6bd8c8f69f2d634dd18799b4ca31fbc284d2580ba625f3a88b6a52d2bc17bea0e75e63ca11c10356c47ee00c2c500294abcb5141424fc5dc71c

  • C:\Program Files\IntegrateAdvisorVibrant\pQDfBqzqcAmCwxhiPfMj

    Filesize

    1.7MB

    MD5

    166813a640fbff9bc9c5a8829b77d604

    SHA1

    9a6439822765bb23d6b6b6926855f8cde67fa213

    SHA256

    6b2ca55715af12bca876efb3509ed93d79a220da577f72b7f0b03d413a41841b

    SHA512

    320eb8181155330c85782037f9530ae16c8a5b5e20cd8beab7b5c62ed9539350165bdfcad5f862256818d39cd9a6667326a2ecb5d01be0083b40ca98b69dfd75

  • C:\Program Files\IntegrateAdvisorVibrant\wpsupdate.exe

    Filesize

    6.0MB

    MD5

    57dadd6a929f64c2b1efe2d52c1c4985

    SHA1

    962cb227f81f885f23826c3e040aa9dbc97659cf

    SHA256

    996b5d59cce7955b4374bd00d83c422d3a1d9ffebba59c66074c37ab28cfaeb5

    SHA512

    3f64c35e72698ea6a7e708a4367277f3ab62c27f0652e0c55bab6e02239ee37c4f0a21503c0688301fb77bbf8e59e3c5c8aa2df8d62a4ab8a9b9cdf6f0a775cf

  • C:\Users\Admin\AppData\Roaming\kingsoft\office6\log\update\wpsupdate_2024_09_22.log

    Filesize

    2KB

    MD5

    68114efe9b25a7c2c0e3ed9f2be7c130

    SHA1

    8f1f4af3614277c486935194ff357e72909122c4

    SHA256

    34be697765ee3ca0f2b4108684327b04b8560e601030155c4c0e7334fd00b8bf

    SHA512

    7f09ef49cae85dd05d6ee3c007417bedda6e8ae712ea7802c6583e93c409ff849544c5ed28d6afcd22fc0df32074dbc11894e8a583f9ece54cc5e08fe807dbda

  • C:\Windows\Installer\f76c34f.msi

    Filesize

    39.8MB

    MD5

    0c200d7664b0e178560f7f974e6aff63

    SHA1

    f3ed74c5aa91de36a4a978d949b8b76752c853b3

    SHA256

    f6b23380267c21f4f82efee4573c1eae7d89c69ab293e10f58aa45478c1bf1b2

    SHA512

    b26c8dada559121f48ac6f3f15511e26c465c60b9d7b9a9ead4b175e32f32e7a6adbb77ed8cca269a88081a043efc7413b7c1a008e39bf41a36b6a2cbf698920

  • \Program Files\IntegrateAdvisorVibrant\MOELauncherSetup_V0TKW.exe

    Filesize

    35.6MB

    MD5

    f0b4afeb9a9582a84c04d33b4f9c93e5

    SHA1

    0b9229e8e3879fc4d1310ba493280894cac1f259

    SHA256

    d71c5c27f6e68be09e40921321a2c6d3b95f65787c33dcc2d66e6939a798a3c9

    SHA512

    d4c3593590a5574bbfc1270d3aca3b419ea5126735206b5e2104e42fda961844ba90073ebacd917b9b0152c103670d1a64b88c76b03b358feae73794418abe51

  • \Program Files\IntegrateAdvisorVibrant\qzeybRpnzInL.exe

    Filesize

    832KB

    MD5

    d305d506c0095df8af223ac7d91ca327

    SHA1

    679cb4c763c84e75ccb0fa3475bd6b7a36e81c4a

    SHA256

    923111c7142b3dc783a3c722b19b8a21bcb78222d7a136ac33f0ca8a29f4cb66

    SHA512

    94d369a4db88bff9556a1d7a7fb0188ed935c3592bae09335542c5502ec878e839177be63ac3ab4af75d4dc38a3a4f5d0fd423115ac72cf5dd710c59604db796

  • memory/1684-46-0x000000000A7D0000-0x000000000A7FA000-memory.dmp

    Filesize

    168KB

  • memory/2892-12-0x00000000007B0000-0x00000000007B2000-memory.dmp

    Filesize

    8KB