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Resubmissions

15/09/2024, 02:47

240915-c94dhssaqq 6

Analysis

  • max time kernel
    85s
  • max time network
    26s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15/09/2024, 02:47

General

  • Target

    DualMonitorTools-2.11.msi

  • Size

    688KB

  • MD5

    80e31e792ee128b5ce1ad32acc14bf6e

  • SHA1

    78b8dffcb6a4b1b234b730142f8251e0393cdec0

  • SHA256

    9f680d10df37f6b04bace9fede8e031849fa5c8f257f7aa8a6974f94edc15874

  • SHA512

    602663680368c9d5e649f5ae5619bb66a6330a6f653940cc117118b0414cdcad39e5d5f94a0d74f27edf0805afd07d96fae34c8fa85f11b4120654b6482c7d21

  • SSDEEP

    12288:dyqm9jHjAsdIcnkvkOvjStgGuMWFM6ZNLbp:dyqmNssfnkvdQg3MW/nv

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 System32 directory 1 IoCs
  • Drops file in Program Files directory 7 IoCs
  • Drops file in Windows directory 10 IoCs
  • Executes dropped EXE 3 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Modifies data under HKEY_USERS 46 IoCs
  • Modifies registry class 24 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 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\DualMonitorTools-2.11.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Program Files (x86)\Dual Monitor Tools\DMT.exe
      "C:\Program Files (x86)\Dual Monitor Tools\DMT.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1636
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in System32 directory
    • 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
    PID:2224
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2836
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000004A0" "00000000000005A4"
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:2328
  • C:\Program Files (x86)\Dual Monitor Tools\DualWallpaper.exe
    "C:\Program Files (x86)\Dual Monitor Tools\DualWallpaper.exe"
    1⤵
    • Executes dropped EXE
    PID:1204
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:2280
    • C:\Program Files (x86)\Dual Monitor Tools\DMT.exe
      "C:\Program Files (x86)\Dual Monitor Tools\DMT.exe"
      1⤵
      • Executes dropped EXE
      PID:888

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Config.Msi\f76d471.rbs

      Filesize

      9KB

      MD5

      cae38946db420743b224ab4575167033

      SHA1

      f9bd4209f3a9ca8ca853bfe764f576ab35d87875

      SHA256

      b20aa0c8a166d03bc686f70076837cd43740a07b659aa6f308a459bd23afa487

      SHA512

      de81bd44a7290c082ca70f55579aa75c84c29f8f5e42934eca8852b206a7d926529164bc4bf5080e329617895ae7cb8660ef6970fc4693b105d094f1047d3813

    • C:\Program Files (x86)\Dual Monitor Tools\DMT.exe

      Filesize

      940KB

      MD5

      8a997c77aaf98e26ced82a8436400bc4

      SHA1

      8290479cd478485bac4a09d208e446c87f0f0920

      SHA256

      4a555ab14b164626b0c3d5603d02b9dc251f0248fb5130ba5b602511e5827329

      SHA512

      5af39961f8f62161225ad441fa806fd1841b671a06cb0fc2ceb5becb504010a7724a584fc8b4016e0e0005450c5329c27d7056d59fb68b5bfac775d30e50cb27

    • C:\Program Files (x86)\Dual Monitor Tools\DmtFileLocations.xml

      Filesize

      1KB

      MD5

      342eef7bf0d15025d415b861e92484b8

      SHA1

      5eefb15d3ae6bbc6ba072653b7df7cd904da9a48

      SHA256

      b6fa2dc6561f84458d018d4d4b1d36a80942d20e9469ae78499da9be5e623d1e

      SHA512

      99fb3bda81cff56d21feb6de973b34ac3af698cbf9cb14d683ab5e6f74b148092af2350d60c72728cd8c4ef7d0eb63b35eac58fe12394dd022af2370c7971898

    • C:\Program Files (x86)\Dual Monitor Tools\DualWallpaper.exe

      Filesize

      108KB

      MD5

      9321c562e70b074fb477cc534e0b04fc

      SHA1

      8aa722c8859d32b6f32021b05c1fc588e218e35a

      SHA256

      d62361f2853da8e001246754f60686ad784a3473fe18da2450546f84b4f36e20

      SHA512

      2c1334920d5ecdbe4e7cc74543c206e259d617ea64f562a7fc965e0d84af98f8984b48224ee81b65432691dfab3765f3c825ed8787941113f4001c2bcbf7df4c

    • C:\Windows\Installer\f76d46f.msi

      Filesize

      688KB

      MD5

      80e31e792ee128b5ce1ad32acc14bf6e

      SHA1

      78b8dffcb6a4b1b234b730142f8251e0393cdec0

      SHA256

      9f680d10df37f6b04bace9fede8e031849fa5c8f257f7aa8a6974f94edc15874

      SHA512

      602663680368c9d5e649f5ae5619bb66a6330a6f653940cc117118b0414cdcad39e5d5f94a0d74f27edf0805afd07d96fae34c8fa85f11b4120654b6482c7d21

    • memory/1204-46-0x00000000000E0000-0x0000000000100000-memory.dmp

      Filesize

      128KB

    • memory/1636-37-0x0000000001310000-0x0000000001400000-memory.dmp

      Filesize

      960KB