Analysis

  • max time kernel
    37s
  • max time network
    44s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2023 20:13

General

  • Target

    VitalInstaller.exe

  • Size

    23.8MB

  • MD5

    4fafa10339b7647020ad883d3aa4a98d

  • SHA1

    af4a20d54a304542654dfd0f90511d26b910ebf9

  • SHA256

    02a2392e3fc3dd97161c798dc28c5b1e97c862fadf5a3c9cdc6212678d156ed4

  • SHA512

    7953db49c9b6f9474a0a0efb878507a25e9121ec626e766721ec7bfb068e0181f7ef5b1cb9db8a92218197f7563b0be9175c16d869c33c3420f40c2ea6e4a96b

  • SSDEEP

    393216:eSi33I1feDrtzookjbFdXK1MA/8SNO+A5qwStVW7EyFnT/Lm73az2okYEdG:eST1W5zook//Wt/8x/5qjq7EylwKzvkk

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 12 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\VitalInstaller.exe
    "C:\Users\Admin\AppData\Local\Temp\VitalInstaller.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:660
    • C:\Users\Admin\AppData\Local\Temp\is-JD7FI.tmp\VitalInstaller.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-JD7FI.tmp\VitalInstaller.tmp" /SL5="$B002C,24009235,1039360,C:\Users\Admin\AppData\Local\Temp\VitalInstaller.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      PID:768

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Vital\unins000.exe

    Filesize

    2.7MB

    MD5

    9e0e3450b7d24aeae2ecba43a386fd71

    SHA1

    0c64c2421dd9468095feaf9d18d396586562ca2d

    SHA256

    a83a3da7c1a06d9a3177af6ee7b5405b1d16d46fc8e6c4dde90d3fccafe5abef

    SHA512

    fe2f84ece40f27e42abcce2bfdf48ace6eae9008978e013c2da3fac0da6eb8ee851a4fe6aac184ad5496b7dd21680535fb83a884941a0bfe566e17438ae3b0f0

  • C:\Users\Admin\AppData\Local\Temp\is-JD7FI.tmp\VitalInstaller.tmp

    Filesize

    2.7MB

    MD5

    9e0e3450b7d24aeae2ecba43a386fd71

    SHA1

    0c64c2421dd9468095feaf9d18d396586562ca2d

    SHA256

    a83a3da7c1a06d9a3177af6ee7b5405b1d16d46fc8e6c4dde90d3fccafe5abef

    SHA512

    fe2f84ece40f27e42abcce2bfdf48ace6eae9008978e013c2da3fac0da6eb8ee851a4fe6aac184ad5496b7dd21680535fb83a884941a0bfe566e17438ae3b0f0

  • C:\Users\Admin\AppData\Local\Temp\is-JD7FI.tmp\VitalInstaller.tmp

    Filesize

    2.7MB

    MD5

    9e0e3450b7d24aeae2ecba43a386fd71

    SHA1

    0c64c2421dd9468095feaf9d18d396586562ca2d

    SHA256

    a83a3da7c1a06d9a3177af6ee7b5405b1d16d46fc8e6c4dde90d3fccafe5abef

    SHA512

    fe2f84ece40f27e42abcce2bfdf48ace6eae9008978e013c2da3fac0da6eb8ee851a4fe6aac184ad5496b7dd21680535fb83a884941a0bfe566e17438ae3b0f0

  • memory/660-0-0x0000000000400000-0x000000000050B000-memory.dmp

    Filesize

    1.0MB

  • memory/660-7-0x0000000000400000-0x000000000050B000-memory.dmp

    Filesize

    1.0MB

  • memory/660-37-0x0000000000400000-0x000000000050B000-memory.dmp

    Filesize

    1.0MB

  • memory/768-5-0x0000000000D10000-0x0000000000D11000-memory.dmp

    Filesize

    4KB

  • memory/768-8-0x0000000000400000-0x00000000006C1000-memory.dmp

    Filesize

    2.8MB

  • memory/768-31-0x0000000000400000-0x00000000006C1000-memory.dmp

    Filesize

    2.8MB

  • memory/768-32-0x0000000000D10000-0x0000000000D11000-memory.dmp

    Filesize

    4KB

  • memory/768-36-0x0000000000400000-0x00000000006C1000-memory.dmp

    Filesize

    2.8MB