Analysis

  • max time kernel
    162s
  • max time network
    178s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    07-06-2022 21:52

General

  • Target

    1accceea1dd9e5793acda2cb3356054b3ee861a463a37d02669cc43012c282ac.exe

  • Size

    1.1MB

  • MD5

    43c0ef2713be98f286aba6ff112351ba

  • SHA1

    c8486570085e454bb1ffb6e3d5224da4fb9a3128

  • SHA256

    1accceea1dd9e5793acda2cb3356054b3ee861a463a37d02669cc43012c282ac

  • SHA512

    e3a8bd82a168489f8f2ae354a29e7ce0a24387c3d5cf77f7e51d1351bd5b298056756ad36f2a1fe5d7e7d635a34713937e9bb42a639ea68c347be49542968060

Malware Config

Signatures

  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops startup file 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1accceea1dd9e5793acda2cb3356054b3ee861a463a37d02669cc43012c282ac.exe
    "C:\Users\Admin\AppData\Local\Temp\1accceea1dd9e5793acda2cb3356054b3ee861a463a37d02669cc43012c282ac.exe"
    1⤵
    • Drops startup file
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2924
    • C:\Users\Admin\AppData\Local\Temp\1accceea1dd9e5793acda2cb3356054b3ee861a463a37d02669cc43012c282ac.exe
      "C:\Users\Admin\AppData\Local\Temp\1accceea1dd9e5793acda2cb3356054b3ee861a463a37d02669cc43012c282ac.exe"
      2⤵
      • Checks whether UAC is enabled
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:3592

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

2
T1082

Replay Monitor

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Downloads

  • memory/3592-130-0x0000000000000000-mapping.dmp
  • memory/3592-131-0x00000000000D0000-0x0000000000120000-memory.dmp
    Filesize

    320KB

  • memory/3592-132-0x00000000000D0000-0x0000000000120000-memory.dmp
    Filesize

    320KB

  • memory/3592-133-0x00000000000D0000-0x0000000000120000-memory.dmp
    Filesize

    320KB

  • memory/3592-134-0x00000000000D0000-0x0000000000120000-memory.dmp
    Filesize

    320KB

  • memory/3592-135-0x00000000746B0000-0x0000000074C61000-memory.dmp
    Filesize

    5.7MB

  • memory/3592-136-0x00000000000D0000-0x0000000000120000-memory.dmp
    Filesize

    320KB

  • memory/3592-137-0x00000000746B0000-0x0000000074C61000-memory.dmp
    Filesize

    5.7MB