Analysis

  • max time kernel
    185s
  • max time network
    199s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 11:45

General

  • Target

    578fa9ea352f78b1443c817ae43ee968fb6d827b8fbb9dd30fab6e23c8c80744.exe

  • Size

    258KB

  • MD5

    8316cf2207ab369a8b48615324f4d794

  • SHA1

    e1ce12d761c055692847b5281f9c457f19847d67

  • SHA256

    578fa9ea352f78b1443c817ae43ee968fb6d827b8fbb9dd30fab6e23c8c80744

  • SHA512

    c0f3c27125d947469286c7df30859256054bedd02b0834e14a7dde801064235246a94dd805ca54cc538f0442c7e1b4009ee2fd12b5ad885b3f307ead9901bbfc

  • SSDEEP

    6144:N2c68qqv3gyy6wP2xnK7KlEV7DVKduhqb:N6877y7P2xnIK+lpGuh+

Malware Config

Signatures

  • CryptOne packer 8 IoCs

    Detects CryptOne packer defined in NCC blogpost.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 24 IoCs

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

  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\578fa9ea352f78b1443c817ae43ee968fb6d827b8fbb9dd30fab6e23c8c80744.exe
    "C:\Users\Admin\AppData\Local\Temp\578fa9ea352f78b1443c817ae43ee968fb6d827b8fbb9dd30fab6e23c8c80744.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3396
    • C:\Users\Admin\AppData\Local\Temp\578fa9ea352f78b1443c817ae43ee968fb6d827b8fbb9dd30fab6e23c8c80744.exe
      "C:\Users\Admin\AppData\Local\Temp\578fa9ea352f78b1443c817ae43ee968fb6d827b8fbb9dd30fab6e23c8c80744.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:5096
      • C:\Windows\SysWOW64\calc.exe
        "C:\Windows\SysWOW64\calc.exe"
        3⤵
          PID:216
        • C:\Windows\SysWOW64\svchost.exe
          "C:\Windows\SysWOW64\svchost.exe"
          3⤵
          • Adds Run key to start application
          • Enumerates connected drives
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:220
          • C:\Windows\SysWOW64\mspaint.exe
            "C:\Windows\SysWOW64\mspaint.exe"
            4⤵
            • Adds Run key to start application
            • Enumerates connected drives
            PID:3744
        • C:\Users\Admin\AppData\Local\Temp\578fa9ea352f78b1443c817ae43ee968fb6d827b8fbb9dd30fab6e23c8c80744.exe
          "C:\Users\Admin\AppData\Local\Temp\578fa9ea352f78b1443c817ae43ee968fb6d827b8fbb9dd30fab6e23c8c80744.exe"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3392

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/216-159-0x00000000029D0000-0x0000000002A1E000-memory.dmp
      Filesize

      312KB

    • memory/216-155-0x00000000029D0000-0x0000000002A1E000-memory.dmp
      Filesize

      312KB

    • memory/216-139-0x0000000000000000-mapping.dmp
    • memory/220-151-0x0000000000B70000-0x0000000000B99000-memory.dmp
      Filesize

      164KB

    • memory/220-158-0x0000000002C50000-0x0000000002C9E000-memory.dmp
      Filesize

      312KB

    • memory/220-154-0x0000000002C50000-0x0000000002C9E000-memory.dmp
      Filesize

      312KB

    • memory/220-138-0x0000000000000000-mapping.dmp
    • memory/3392-145-0x0000000000000000-mapping.dmp
    • memory/3392-156-0x0000000000400000-0x000000000044E000-memory.dmp
      Filesize

      312KB

    • memory/3392-153-0x0000000000400000-0x000000000044E000-memory.dmp
      Filesize

      312KB

    • memory/3392-150-0x0000000000400000-0x000000000044E000-memory.dmp
      Filesize

      312KB

    • memory/3392-149-0x0000000000400000-0x000000000044E000-memory.dmp
      Filesize

      312KB

    • memory/3392-146-0x0000000000400000-0x000000000044E000-memory.dmp
      Filesize

      312KB

    • memory/3396-135-0x00000000004C0000-0x00000000004D4000-memory.dmp
      Filesize

      80KB

    • memory/3744-160-0x00000000004C0000-0x000000000050E000-memory.dmp
      Filesize

      312KB

    • memory/3744-141-0x0000000000480000-0x00000000004A9000-memory.dmp
      Filesize

      164KB

    • memory/3744-144-0x0000000000480000-0x00000000004A9000-memory.dmp
      Filesize

      164KB

    • memory/3744-140-0x0000000000000000-mapping.dmp
    • memory/3744-152-0x0000000000480000-0x00000000004A9000-memory.dmp
      Filesize

      164KB

    • memory/3744-143-0x0000000000480000-0x00000000004A9000-memory.dmp
      Filesize

      164KB

    • memory/3744-142-0x0000000000480000-0x00000000004A9000-memory.dmp
      Filesize

      164KB

    • memory/3744-157-0x00000000004C0000-0x000000000050E000-memory.dmp
      Filesize

      312KB

    • memory/5096-133-0x0000000000400000-0x0000000000429000-memory.dmp
      Filesize

      164KB

    • memory/5096-136-0x0000000000400000-0x0000000000429000-memory.dmp
      Filesize

      164KB

    • memory/5096-137-0x0000000000400000-0x0000000000429000-memory.dmp
      Filesize

      164KB

    • memory/5096-132-0x0000000000000000-mapping.dmp
    • memory/5096-148-0x0000000000400000-0x0000000000429000-memory.dmp
      Filesize

      164KB