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Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11/09/2024, 04:27

General

  • Target

    wpsupdate.msi

  • Size

    17.9MB

  • MD5

    151a066813a13375522df7282f2837d8

  • SHA1

    61ff6e9d0be8681c59e8296d4d8a2b3579044858

  • SHA256

    9a6bc8d7631fe970648bc6d30c99b8764fb9f1e51fca7220799b8d3e6cfa86ea

  • SHA512

    4e101083b6df77435a857bd9c5322c16e18742b82de82dc0282ff47d104acaf475f5619b4048c59d29fb3db0006d385786e5b82e67ce132c0e87d411fec8ba5d

  • SSDEEP

    393216:/Wp84flbAgjDPLgoZr3hfE3XG1Ccu3mBe2fJpAMdLSVQvzmFE1KYo0Nw5i4hH:/UflhTgo5hM3Y2mBvxoFzd5iYH

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 7 IoCs
  • Drops file in Windows directory 10 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 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:2692
  • 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:2816
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding A3DB4342DB24A7A527C427C2248E5FA4 M Global\MSI0000
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2488
      • C:\Program Files\LaunchAdvisorUnique\jzafRqbTGRDF.exe
        "C:\Program Files\LaunchAdvisorUnique\jzafRqbTGRDF.exe" x "C:\Program Files\LaunchAdvisorUnique\sqFZEXePXWvsoVXJtAfH" -o"C:\Program Files\LaunchAdvisorUnique\" -pasvgcrJQGolJwtcpGtoH -y
        3⤵
        • Drops file in Program Files directory
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1988
      • C:\Program Files\LaunchAdvisorUnique\qPptEPZEtb29.exe
        "C:\Program Files\LaunchAdvisorUnique\qPptEPZEtb29.exe" -number 268 -file file3 -mode mode3 -flag flag3
        3⤵
        • Drops file in Program Files directory
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:1900
      • C:\Program Files\LaunchAdvisorUnique\wpsupdate.exe
        "C:\Program Files\LaunchAdvisorUnique\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:1844
  • 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" "00000000000005E4" "000000000000039C"
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:3040

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Config.Msi\f770f5e.rbs

    Filesize

    7KB

    MD5

    4e09b0bec1216d14dc5bae07d8c1f950

    SHA1

    167ac832043bec1c9af3f0c5fd749c63e7ae9b23

    SHA256

    f04c4a78c29a4bb917e12c1198742b132ae48b9f305d797de9a3d564d9aa1b33

    SHA512

    e97000d961c5ce1414a2aac23621deb10f84d214fb693f01b08d075b6a4d3fe760cb3bb67cf965727246264cab37809bdfee5b6f932ccfee6fa708fa8bd871ea

  • C:\Program Files\LaunchAdvisorUnique\jzafRqbTGRDF.exe

    Filesize

    574KB

    MD5

    42badc1d2f03a8b1e4875740d3d49336

    SHA1

    cee178da1fb05f99af7a3547093122893bd1eb46

    SHA256

    c136b1467d669a725478a6110ebaaab3cb88a3d389dfa688e06173c066b76fcf

    SHA512

    6bc519a7368ee6bd8c8f69f2d634dd18799b4ca31fbc284d2580ba625f3a88b6a52d2bc17bea0e75e63ca11c10356c47ee00c2c500294abcb5141424fc5dc71c

  • C:\Program Files\LaunchAdvisorUnique\qPptEPZEtb29.exe

    Filesize

    2.1MB

    MD5

    03362c3b0c370e2d69835e761c3e4e39

    SHA1

    50e80b7cd693b070238e4d9b9c6fe1c4aee72ebb

    SHA256

    eb63c7b4ce832c8bc998e153ed32ef86a767402c0f68ec7d4719ffd3c35ab1dc

    SHA512

    340fcf7b6b795f21fe5dd0f144ee4bde0aef49f51eb811a6d01bb4354d0d52d90ad0a691d6f0660d74ce1c269be64a315f31deffaad967de78c8c0c035085e86

  • C:\Program Files\LaunchAdvisorUnique\sqFZEXePXWvsoVXJtAfH

    Filesize

    745KB

    MD5

    1e97cf2c873236220e524271fa7c1937

    SHA1

    11318422806b64985ab81df5c0f561f12b53e240

    SHA256

    5252b5f301b1db5f73985a6134213a8353f561652001265432e7109cf87c466d

    SHA512

    fbda82c35c29c6b602ff03d39fd82a8521e2d738aa551e3128c1db76fed35ac5a9ee0b201513e8baadb31eafc0b89e7f27b32f1319cd2eb3e2de57b3e3d75f3c

  • C:\Program Files\LaunchAdvisorUnique\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_11.log

    Filesize

    2KB

    MD5

    afacc55b0eeb7ee21849ac08cc76336c

    SHA1

    de6a479ea192b609b1b9ac5074d1eb0c559995f7

    SHA256

    e5ad644f43335b97ec07a0abb009b7a0f3c827728434f3028f6d83792389068a

    SHA512

    eaebbe4db315ffb5d257e200405764de65243ef630612d1aa19c20545c0db976bb91b7968fd42ea6f5c715fee86c8c1271d0f66e47d913917899e731beda5f20

  • C:\Windows\Installer\f770f5c.msi

    Filesize

    17.9MB

    MD5

    151a066813a13375522df7282f2837d8

    SHA1

    61ff6e9d0be8681c59e8296d4d8a2b3579044858

    SHA256

    9a6bc8d7631fe970648bc6d30c99b8764fb9f1e51fca7220799b8d3e6cfa86ea

    SHA512

    4e101083b6df77435a857bd9c5322c16e18742b82de82dc0282ff47d104acaf475f5619b4048c59d29fb3db0006d385786e5b82e67ce132c0e87d411fec8ba5d

  • memory/2488-12-0x0000000000510000-0x0000000000512000-memory.dmp

    Filesize

    8KB