Analysis

  • max time kernel
    44s
  • max time network
    99s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2022 11:17

General

  • Target

    ab49655c1f90890214b1930fe705ac62dc3c344f2a81745f36ccee1d7a57e074.exe

  • Size

    564KB

  • MD5

    747a0bd1cbc71d777993443446760ffb

  • SHA1

    94ba0b82027ab1b0e2c7f707adbe4cbc5f6b8a1e

  • SHA256

    ab49655c1f90890214b1930fe705ac62dc3c344f2a81745f36ccee1d7a57e074

  • SHA512

    d29f770f3dc3826e209a0ca2a67f3167ee6cd2521fd991ffef8fa3eba72168dbade38dd8793c7039b32197e38591d824f33306e8b958e2b28d086895c63d6c22

  • SSDEEP

    12288:cNEC2EhjTO5ApVsx4c7siJMKbSTu5eG3uAscMJUL:cNECjTLp8ZfUGNspUL

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ab49655c1f90890214b1930fe705ac62dc3c344f2a81745f36ccee1d7a57e074.exe
    "C:\Users\Admin\AppData\Local\Temp\ab49655c1f90890214b1930fe705ac62dc3c344f2a81745f36ccee1d7a57e074.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Loads dropped DLL
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1812
    • C:\Users\Admin\AppData\Local\Temp\n7725\s7725.exe
      "C:\Users\Admin\AppData\Local\Temp\n7725\s7725.exe" ins.exe /h fc4e74.api.socdn.com /u b5c152d8-a91e-11e3-8a58-80c16e6f498c /e 12909221 /v "C:\Users\Admin\AppData\Local\Temp\ab49655c1f90890214b1930fe705ac62dc3c344f2a81745f36ccee1d7a57e074.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:892

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n7725\s7725.exe

    Filesize

    411KB

    MD5

    13b0085a03720e67fb8c73db3f14609e

    SHA1

    ddf811f21e6c066b644d03e6751e16efb0fbecce

    SHA256

    f9449897f9ca99b99837ad322c8b6737e7a47e3827b6a4c073c6ca8911d8c340

    SHA512

    39b95dce14b3eea6f191d4dbaaff87ebbc8f3b6982e7b4ee5ebeed83d3b7397441665f25dec5eb9f8a1f3b12f4ddcd604d5852b781f592488263161c0d620e82

  • C:\Users\Admin\AppData\Local\Temp\n7725\s7725.exe

    Filesize

    411KB

    MD5

    13b0085a03720e67fb8c73db3f14609e

    SHA1

    ddf811f21e6c066b644d03e6751e16efb0fbecce

    SHA256

    f9449897f9ca99b99837ad322c8b6737e7a47e3827b6a4c073c6ca8911d8c340

    SHA512

    39b95dce14b3eea6f191d4dbaaff87ebbc8f3b6982e7b4ee5ebeed83d3b7397441665f25dec5eb9f8a1f3b12f4ddcd604d5852b781f592488263161c0d620e82

  • \Users\Admin\AppData\Local\Temp\n7725\s7725.exe

    Filesize

    411KB

    MD5

    13b0085a03720e67fb8c73db3f14609e

    SHA1

    ddf811f21e6c066b644d03e6751e16efb0fbecce

    SHA256

    f9449897f9ca99b99837ad322c8b6737e7a47e3827b6a4c073c6ca8911d8c340

    SHA512

    39b95dce14b3eea6f191d4dbaaff87ebbc8f3b6982e7b4ee5ebeed83d3b7397441665f25dec5eb9f8a1f3b12f4ddcd604d5852b781f592488263161c0d620e82

  • \Users\Admin\AppData\Local\Temp\n7725\s7725.exe

    Filesize

    411KB

    MD5

    13b0085a03720e67fb8c73db3f14609e

    SHA1

    ddf811f21e6c066b644d03e6751e16efb0fbecce

    SHA256

    f9449897f9ca99b99837ad322c8b6737e7a47e3827b6a4c073c6ca8911d8c340

    SHA512

    39b95dce14b3eea6f191d4dbaaff87ebbc8f3b6982e7b4ee5ebeed83d3b7397441665f25dec5eb9f8a1f3b12f4ddcd604d5852b781f592488263161c0d620e82

  • \Users\Admin\AppData\Local\Temp\n7725\s7725.exe

    Filesize

    411KB

    MD5

    13b0085a03720e67fb8c73db3f14609e

    SHA1

    ddf811f21e6c066b644d03e6751e16efb0fbecce

    SHA256

    f9449897f9ca99b99837ad322c8b6737e7a47e3827b6a4c073c6ca8911d8c340

    SHA512

    39b95dce14b3eea6f191d4dbaaff87ebbc8f3b6982e7b4ee5ebeed83d3b7397441665f25dec5eb9f8a1f3b12f4ddcd604d5852b781f592488263161c0d620e82

  • \Users\Admin\AppData\Local\Temp\n7725\s7725.exe

    Filesize

    411KB

    MD5

    13b0085a03720e67fb8c73db3f14609e

    SHA1

    ddf811f21e6c066b644d03e6751e16efb0fbecce

    SHA256

    f9449897f9ca99b99837ad322c8b6737e7a47e3827b6a4c073c6ca8911d8c340

    SHA512

    39b95dce14b3eea6f191d4dbaaff87ebbc8f3b6982e7b4ee5ebeed83d3b7397441665f25dec5eb9f8a1f3b12f4ddcd604d5852b781f592488263161c0d620e82

  • memory/892-59-0x0000000000000000-mapping.dmp

  • memory/892-62-0x000007FEF3740000-0x000007FEF4163000-memory.dmp

    Filesize

    10.1MB

  • memory/892-63-0x000007FEF26A0000-0x000007FEF3736000-memory.dmp

    Filesize

    16.6MB

  • memory/892-64-0x0000000000AA6000-0x0000000000AC5000-memory.dmp

    Filesize

    124KB

  • memory/892-65-0x000007FEFBB51000-0x000007FEFBB53000-memory.dmp

    Filesize

    8KB

  • memory/892-66-0x000007FEEE430000-0x000007FEEF2BF000-memory.dmp

    Filesize

    14.6MB

  • memory/892-67-0x000007FEF23B0000-0x000007FEF269A000-memory.dmp

    Filesize

    2.9MB

  • memory/892-68-0x0000000000AA6000-0x0000000000AC5000-memory.dmp

    Filesize

    124KB

  • memory/1812-54-0x0000000076461000-0x0000000076463000-memory.dmp

    Filesize

    8KB