Analysis

  • max time kernel
    151s
  • max time network
    61s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 00:17

General

  • Target

    b611fd2cf73536c561b02daa5ea65706a60d2cb56fda1036cb4204a528d0667e.exe

  • Size

    226KB

  • MD5

    27903fc4f8eaeaef6865eb5d4a19f6d0

  • SHA1

    3c9694f0ba93d827be6fcce3d06f5474d43565d5

  • SHA256

    b611fd2cf73536c561b02daa5ea65706a60d2cb56fda1036cb4204a528d0667e

  • SHA512

    a68c6c51ac92135619ad4b96217bf8f2fd1a87777503b7eb8cf7ecf0d6b169cf933f8f15dd62344769db40d963e84aab4716b91fd388f247a66cad8e9d7786ba

  • SSDEEP

    1536:55e4TnczSLbEoLdc83zqRK7MVmN7/yLM3a0SC+tSTOCaRs+ZmsvjkFKO2jL6w0Dw:5QMRImkK713S/SgJr5B7EoJfbilkqop

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 28 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b611fd2cf73536c561b02daa5ea65706a60d2cb56fda1036cb4204a528d0667e.exe
    "C:\Users\Admin\AppData\Local\Temp\b611fd2cf73536c561b02daa5ea65706a60d2cb56fda1036cb4204a528d0667e.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Users\Admin\heakap.exe
      "C:\Users\Admin\heakap.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Maps connected drives based on registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2036

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\heakap.exe

    Filesize

    226KB

    MD5

    27903fc4f8eaeaef6865eb5d4a19f6d0

    SHA1

    3c9694f0ba93d827be6fcce3d06f5474d43565d5

    SHA256

    b611fd2cf73536c561b02daa5ea65706a60d2cb56fda1036cb4204a528d0667e

    SHA512

    a68c6c51ac92135619ad4b96217bf8f2fd1a87777503b7eb8cf7ecf0d6b169cf933f8f15dd62344769db40d963e84aab4716b91fd388f247a66cad8e9d7786ba

  • C:\Users\Admin\heakap.exe

    Filesize

    226KB

    MD5

    27903fc4f8eaeaef6865eb5d4a19f6d0

    SHA1

    3c9694f0ba93d827be6fcce3d06f5474d43565d5

    SHA256

    b611fd2cf73536c561b02daa5ea65706a60d2cb56fda1036cb4204a528d0667e

    SHA512

    a68c6c51ac92135619ad4b96217bf8f2fd1a87777503b7eb8cf7ecf0d6b169cf933f8f15dd62344769db40d963e84aab4716b91fd388f247a66cad8e9d7786ba

  • \Users\Admin\heakap.exe

    Filesize

    226KB

    MD5

    27903fc4f8eaeaef6865eb5d4a19f6d0

    SHA1

    3c9694f0ba93d827be6fcce3d06f5474d43565d5

    SHA256

    b611fd2cf73536c561b02daa5ea65706a60d2cb56fda1036cb4204a528d0667e

    SHA512

    a68c6c51ac92135619ad4b96217bf8f2fd1a87777503b7eb8cf7ecf0d6b169cf933f8f15dd62344769db40d963e84aab4716b91fd388f247a66cad8e9d7786ba

  • \Users\Admin\heakap.exe

    Filesize

    226KB

    MD5

    27903fc4f8eaeaef6865eb5d4a19f6d0

    SHA1

    3c9694f0ba93d827be6fcce3d06f5474d43565d5

    SHA256

    b611fd2cf73536c561b02daa5ea65706a60d2cb56fda1036cb4204a528d0667e

    SHA512

    a68c6c51ac92135619ad4b96217bf8f2fd1a87777503b7eb8cf7ecf0d6b169cf933f8f15dd62344769db40d963e84aab4716b91fd388f247a66cad8e9d7786ba

  • memory/1488-56-0x0000000075AD1000-0x0000000075AD3000-memory.dmp

    Filesize

    8KB

  • memory/1488-64-0x0000000074A41000-0x0000000074A43000-memory.dmp

    Filesize

    8KB

  • memory/2036-59-0x0000000000000000-mapping.dmp