Analysis

  • max time kernel
    146s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    13/03/2024, 15:34

General

  • Target

    BVGQVFC-92845Ref-UVLDD9259338142.msi

  • Size

    12.5MB

  • MD5

    395f6fb782949263cd15e0a1ed131d65

  • SHA1

    67bd4dea0da0d667464be026a710b92a25531c5a

  • SHA256

    47eee2815a27c49b230bdf661f938068c5d3347c37ada6bf5940b1f6fc98288c

  • SHA512

    1251ac9278d87f4e2d97635787a0d3ff5c7f105692a73ecc39e8890e6f488473ad8c96464baf530719f446fe5a6923518b4ec52de0755475044a9b734d07f659

  • SSDEEP

    98304:8O+IroUnDAN1baX4brxnmDQXNAdXKIX04WDXkK++F8fVPkPf0:8crdGaeADQXcX0bkSyGX

Score
6/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 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 12 IoCs
  • Loads dropped DLL 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\BVGQVFC-92845Ref-UVLDD9259338142.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2276
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3332
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 79846D528ED759055FAFAC1B3FAC5C17
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      PID:2468

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Installer\MSI709C.tmp

    Filesize

    554KB

    MD5

    3b171ce087bb799aafcbbd93bab27f71

    SHA1

    7bd69efbc7797bdff5510830ca2cc817c8b86d08

    SHA256

    bb9a3c8972d89ad03c1dee3e91f03a13aca8d370185ac521b8c48040cc285ef4

    SHA512

    7700d86f6f2c6798bed1be6cd651805376d545f48f0a89c08f7032066431cb4df980688a360c44275b8d7f8010769dc236fbdaa0184125d016acdf158989ee38

  • C:\Windows\Installer\MSI78A0.tmp

    Filesize

    1.9MB

    MD5

    18e9c51e49fcf3cc7abe6999017ce6ed

    SHA1

    bcb50d358bdd02b16a2f8ad2dfbdace6f7fa80f7

    SHA256

    432fa604b95b02ebd1dcdaa452f1dc05d1ffa46ecf89d66beedc41c3c55ea7ae

    SHA512

    01d79ced58ac3979d4424dfb43763b94333c2c9faec95091295fa86451bad0602b7eacc14c8723d0d2b1b5366077afcdc97fc8dfe53367c5eb1dd8846b0336f0

  • C:\Windows\Installer\MSI78A0.tmp

    Filesize

    841KB

    MD5

    b7c7d1cba40b27eaf39f2076bfa3c8c0

    SHA1

    fab19b261ae9893277f9dc52d9229cdc8cdbd781

    SHA256

    a47c3497e9bc9291aead4f18a16bbe11050979a88ef1e9491b393a76f4a81012

    SHA512

    b44a261e5527b568149503fed9d502e74e066715bddf028d6a63672cc6c94e69a8728f39ceee4cb5985d21ff56a14cd271a0d1112baf21496e84b2a7f189558e

  • memory/2468-26-0x0000000073FD0000-0x0000000074BE1000-memory.dmp

    Filesize

    12.1MB

  • memory/2468-27-0x0000000073FD0000-0x0000000074BE1000-memory.dmp

    Filesize

    12.1MB

  • memory/2468-28-0x0000000073FD0000-0x0000000074BE1000-memory.dmp

    Filesize

    12.1MB

  • memory/2468-29-0x0000000073FD0000-0x0000000074BE1000-memory.dmp

    Filesize

    12.1MB

  • memory/2468-30-0x0000000073FD0000-0x0000000074BE1000-memory.dmp

    Filesize

    12.1MB

  • memory/2468-33-0x0000000073FD0000-0x0000000074BE1000-memory.dmp

    Filesize

    12.1MB

  • memory/2468-34-0x0000000073FD0000-0x0000000074BE1000-memory.dmp

    Filesize

    12.1MB

  • memory/2468-35-0x0000000073FD0000-0x0000000074BE1000-memory.dmp

    Filesize

    12.1MB

  • memory/2468-40-0x0000000073FD0000-0x0000000074BE1000-memory.dmp

    Filesize

    12.1MB