Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    21-09-2024 19:10

General

  • Target

    VLC2.7.msi

  • Size

    14.0MB

  • MD5

    a1c5d32005ee62baa30dc993394aa17c

  • SHA1

    360dd1889252cc5c06386706f5d9f8f326f218db

  • SHA256

    49d8edfd8a93ede3e3087771d69b7e6be33f53dfb92ee1da9d82c09f2e0d3188

  • SHA512

    3ae8fcf6120e9c2a518b109c64996cea7d5b8f28df1e00c6e18a74b199d4f80d44e2c647fddb22b6b5ab3e24a495366be21d1a140521c00db35dd9e3480c4124

  • SSDEEP

    393216:sGS3skS0F5Ky7pfJY/+LXwwhCtZRZ5bz/ueWBem1f4V:sG8S0F5N7pfJu2XwwhYZRDbz/uFdp4V

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.

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 10 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 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 46 IoCs
  • Modifies registry class 22 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 15 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\VLC2.7.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1244
  • 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:1448
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 2EFC3C0EB22946C20F8E42DBAD0E4785 M Global\MSI0000
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2772
      • C:\Program Files\UpgradeWholesalerAgile\UdgXmVwhvaeF.exe
        "C:\Program Files\UpgradeWholesalerAgile\UdgXmVwhvaeF.exe" x "C:\Program Files\UpgradeWholesalerAgile\zJVekxzWHGhLKpsaTVoA" -o"C:\Program Files\UpgradeWholesalerAgile\" -pDUaIQBEnpsKpUhGkYwoZ -y
        3⤵
        • Drops file in Program Files directory
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:768
      • C:\Program Files\UpgradeWholesalerAgile\nSBnCTQPhM12.exe
        "C:\Program Files\UpgradeWholesalerAgile\nSBnCTQPhM12.exe" -number 218 -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
        • Suspicious behavior: EnumeratesProcesses
        PID:2672
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1444
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000004C4" "00000000000003B4"
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:2732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Config.Msi\f76d1e1.rbs

    Filesize

    7KB

    MD5

    2cec0aa4f92ca55572dd126f8bdf26b5

    SHA1

    25ff2269ea9e2189f4d3e855f79ce3fe0b84e9d8

    SHA256

    d9cdbd4748dbc699a62b75efa6feb03c78819c164cefb5431b3b6fac153fac5a

    SHA512

    3a4ece240a10b54db3e80b26c8b9176a4b2e153cf5d7555495dfc08701ecd3c39ee91f28bdcce6b53551c67a9495a5da499b509fdfe82fb651bd07b2eb4bb79c

  • C:\Program Files\UpgradeWholesalerAgile\QCIFTyMgyyFp.exe

    Filesize

    832KB

    MD5

    d305d506c0095df8af223ac7d91ca327

    SHA1

    679cb4c763c84e75ccb0fa3475bd6b7a36e81c4a

    SHA256

    923111c7142b3dc783a3c722b19b8a21bcb78222d7a136ac33f0ca8a29f4cb66

    SHA512

    94d369a4db88bff9556a1d7a7fb0188ed935c3592bae09335542c5502ec878e839177be63ac3ab4af75d4dc38a3a4f5d0fd423115ac72cf5dd710c59604db796

  • C:\Program Files\UpgradeWholesalerAgile\UdgXmVwhvaeF.exe

    Filesize

    574KB

    MD5

    42badc1d2f03a8b1e4875740d3d49336

    SHA1

    cee178da1fb05f99af7a3547093122893bd1eb46

    SHA256

    c136b1467d669a725478a6110ebaaab3cb88a3d389dfa688e06173c066b76fcf

    SHA512

    6bc519a7368ee6bd8c8f69f2d634dd18799b4ca31fbc284d2580ba625f3a88b6a52d2bc17bea0e75e63ca11c10356c47ee00c2c500294abcb5141424fc5dc71c

  • C:\Program Files\UpgradeWholesalerAgile\nSBnCTQPhM12.exe

    Filesize

    2.9MB

    MD5

    a39b845fda1e4459eed816fd8f300935

    SHA1

    6eb0bb58fabdf307f4fda5a2eb408226cdb2ac35

    SHA256

    7beb9eb8189d6f97bc9def1190b4e00d3a8bca6af9378a383683baa002cda3f9

    SHA512

    d1f0fdea0738a658c5d7977be76a96ff09d922f0c2ca884ca39e50618de42e9acee0d944e97fcd306fb8d5eda17b05dec286a2c2306f4782541f90c16931ab71

  • C:\Program Files\UpgradeWholesalerAgile\zJVekxzWHGhLKpsaTVoA

    Filesize

    1.7MB

    MD5

    9c911a773c1629487f12783080c37b0c

    SHA1

    d0c3db8b3c354f96bd0cff829dbd561b81676f19

    SHA256

    6a6a941a94077fc7d43076e4d231341b6641a455681f80d65efd480de4733b3c

    SHA512

    51c669086de0492442ae030315fd9adeee1208c79b605b34d46d20758aeeac569f8d5d16b110a7164490ff9a255bb1af207c931ed45be2409aaee6a29e04a421

  • C:\Windows\Installer\f76d1df.msi

    Filesize

    14.0MB

    MD5

    a1c5d32005ee62baa30dc993394aa17c

    SHA1

    360dd1889252cc5c06386706f5d9f8f326f218db

    SHA256

    49d8edfd8a93ede3e3087771d69b7e6be33f53dfb92ee1da9d82c09f2e0d3188

    SHA512

    3ae8fcf6120e9c2a518b109c64996cea7d5b8f28df1e00c6e18a74b199d4f80d44e2c647fddb22b6b5ab3e24a495366be21d1a140521c00db35dd9e3480c4124

  • memory/2772-11-0x0000000000280000-0x0000000000282000-memory.dmp

    Filesize

    8KB