Analysis

  • max time kernel
    143s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 15:45

General

  • Target

    daef86f110724a4501572846cf93bbc736240e08de901fba5e22852e37ef933e.exe

  • Size

    215KB

  • MD5

    0e8ebf92f35a6280e28d5e7caab40e9f

  • SHA1

    a0b59471faa1ae3cd6e7d41edc431e03e7847871

  • SHA256

    daef86f110724a4501572846cf93bbc736240e08de901fba5e22852e37ef933e

  • SHA512

    b674d57c2563b3c116ec6650825d35e464cefd2fd8f3a7d5eef6167adbf3758503071044aa1e62858f30e1a0e7294652685de037012b336fa03749374e212dd9

  • SSDEEP

    6144:Pbt3SvYMk3SvYMk3SvYMtbnDYr1igkMBjlSNTZ3FAHte:PR3SvYMk3SvYMk3SvYM1YAKNe

Malware Config

Signatures

  • CryptOne packer 6 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\daef86f110724a4501572846cf93bbc736240e08de901fba5e22852e37ef933e.exe
    "C:\Users\Admin\AppData\Local\Temp\daef86f110724a4501572846cf93bbc736240e08de901fba5e22852e37ef933e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5080
    • C:\Users\Admin\AppData\Local\Temp\daef86f110724a4501572846cf93bbc736240e08de901fba5e22852e37ef933e.exe
      "C:\Users\Admin\AppData\Local\Temp\daef86f110724a4501572846cf93bbc736240e08de901fba5e22852e37ef933e.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:4796
      • C:\Windows\SysWOW64\calc.exe
        "C:\Windows\SysWOW64\calc.exe"
        3⤵
          PID:2096
        • C:\Users\Admin\AppData\Local\Temp\daef86f110724a4501572846cf93bbc736240e08de901fba5e22852e37ef933e.exe
          "C:\Users\Admin\AppData\Local\Temp\daef86f110724a4501572846cf93bbc736240e08de901fba5e22852e37ef933e.exe"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4932
        • 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:1764
    • C:\Windows\SysWOW64\mspaint.exe
      "C:\Windows\SysWOW64\mspaint.exe"
      1⤵
      • Adds Run key to start application
      • Enumerates connected drives
      PID:2536

    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/1764-148-0x0000000000920000-0x0000000000949000-memory.dmp
      Filesize

      164KB

    • memory/1764-153-0x0000000000960000-0x00000000009AE000-memory.dmp
      Filesize

      312KB

    • memory/1764-136-0x0000000000000000-mapping.dmp
    • memory/2096-154-0x0000000002930000-0x000000000297E000-memory.dmp
      Filesize

      312KB

    • memory/2096-137-0x0000000000000000-mapping.dmp
    • memory/2536-149-0x0000000000A80000-0x0000000000AA9000-memory.dmp
      Filesize

      164KB

    • memory/2536-139-0x0000000000A80000-0x0000000000AA9000-memory.dmp
      Filesize

      164KB

    • memory/2536-141-0x0000000000A80000-0x0000000000AA9000-memory.dmp
      Filesize

      164KB

    • memory/2536-142-0x0000000000A80000-0x0000000000AA9000-memory.dmp
      Filesize

      164KB

    • memory/2536-156-0x0000000000AC0000-0x0000000000B0E000-memory.dmp
      Filesize

      312KB

    • memory/2536-155-0x0000000000AC0000-0x0000000000B0E000-memory.dmp
      Filesize

      312KB

    • memory/2536-138-0x0000000000000000-mapping.dmp
    • memory/2536-140-0x0000000000A80000-0x0000000000AA9000-memory.dmp
      Filesize

      164KB

    • memory/4796-133-0x0000000000400000-0x0000000000429000-memory.dmp
      Filesize

      164KB

    • memory/4796-146-0x0000000000400000-0x0000000000429000-memory.dmp
      Filesize

      164KB

    • memory/4796-132-0x0000000000000000-mapping.dmp
    • memory/4932-152-0x0000000000400000-0x000000000044E000-memory.dmp
      Filesize

      312KB

    • memory/4932-151-0x0000000000400000-0x000000000044E000-memory.dmp
      Filesize

      312KB

    • memory/4932-150-0x0000000000400000-0x000000000044E000-memory.dmp
      Filesize

      312KB

    • memory/4932-144-0x0000000000400000-0x000000000044E000-memory.dmp
      Filesize

      312KB

    • memory/4932-147-0x0000000000400000-0x000000000044E000-memory.dmp
      Filesize

      312KB

    • memory/4932-143-0x0000000000000000-mapping.dmp
    • memory/5080-134-0x00000000021C0000-0x00000000021D4000-memory.dmp
      Filesize

      80KB