Analysis

  • max time kernel
    201s
  • max time network
    208s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 02:27

General

  • Target

    ac136ec1a3811cb4ce3224b95bbca3b0686704e42bd3e811b184a9c14a3acdfb.exe

  • Size

    435KB

  • MD5

    302561f3ff7ffab43797b19e7334ba19

  • SHA1

    bb975283b513aa4c7f4f1e1c2b29302531372992

  • SHA256

    ac136ec1a3811cb4ce3224b95bbca3b0686704e42bd3e811b184a9c14a3acdfb

  • SHA512

    3179af120089fa579a8c7a651099d4b849e8acfcd334819eaf5485648436162ddb0f8b075dd26ed9d4dcee76c0728687ea1c9f587f85d416f085c0986631b550

  • SSDEEP

    6144:vdspDeDrxkg/vrMuJIgwhEFHyOrJcX/Pgqwzm5IzkWjS4e4azExBKO1t4Kb70Nqq:l8kxNhOZElO5kkWjhD4A

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 36 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 4 IoCs
  • Modifies registry class 31 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ac136ec1a3811cb4ce3224b95bbca3b0686704e42bd3e811b184a9c14a3acdfb.exe
    "C:\Users\Admin\AppData\Local\Temp\ac136ec1a3811cb4ce3224b95bbca3b0686704e42bd3e811b184a9c14a3acdfb.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:372
    • C:\$Recycle.Bin\YIO.EXE
      C:\$Recycle.Bin\YIO.EXE
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Modifies registry class
      PID:2292

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\YIO.EXE

    Filesize

    435KB

    MD5

    c1a0e7df2bdee3a2fdc2ee1069d802cf

    SHA1

    32fa474c6b86117edbfa7adcef903cc0bea44775

    SHA256

    8954d6019264c36fcea9714a29c0cb56ce8f9b09d1587d51d6689b58b045237d

    SHA512

    8e2839bc10a6b8f4cb47d70b1cd66644b559deb7e1fde592dba2a1c70bcd96d1d54115a39b70c13cfbdff3d7b9592ff947b3a0fbe8531590e90234be24d885bf

  • C:\$Recycle.Bin\YIO.EXE

    Filesize

    435KB

    MD5

    c1a0e7df2bdee3a2fdc2ee1069d802cf

    SHA1

    32fa474c6b86117edbfa7adcef903cc0bea44775

    SHA256

    8954d6019264c36fcea9714a29c0cb56ce8f9b09d1587d51d6689b58b045237d

    SHA512

    8e2839bc10a6b8f4cb47d70b1cd66644b559deb7e1fde592dba2a1c70bcd96d1d54115a39b70c13cfbdff3d7b9592ff947b3a0fbe8531590e90234be24d885bf

  • memory/2292-132-0x0000000000000000-mapping.dmp