Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 15:34

General

  • Target

    eba5ec221eb35337956eeacc73edb062c218903e329901d3ccbb55cd0f6c9448.exe

  • Size

    207KB

  • MD5

    b8b2bd38d344a855534ce9c67ce6b823

  • SHA1

    3ac9d5a05fa79a747bd5c1090135ff1777756f8a

  • SHA256

    eba5ec221eb35337956eeacc73edb062c218903e329901d3ccbb55cd0f6c9448

  • SHA512

    dd76ae39a4074768a0d3ba94beab19e38f74b47ead8aae6dceac4dc1de35416db3ce8dabd1b4b4bbbaeb86512a94ed7da7a2b53f5d008b274b489f0fb3393773

  • SSDEEP

    3072:CSr6oqbCV3fNddKpj0jNxpH4DhDxFyefZOnoX7SAqZHTMyk8kafp6d:CSrTqydKpQx989ROnoXZ0k8kypA

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 4 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eba5ec221eb35337956eeacc73edb062c218903e329901d3ccbb55cd0f6c9448.exe
    "C:\Users\Admin\AppData\Local\Temp\eba5ec221eb35337956eeacc73edb062c218903e329901d3ccbb55cd0f6c9448.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2424
    • C:\Users\Admin\AppData\Local\Temp\eba5ec221eb35337956eeacc73edb062c218903e329901d3ccbb55cd0f6c9448.exe
      "C:\Users\Admin\AppData\Local\Temp\eba5ec221eb35337956eeacc73edb062c218903e329901d3ccbb55cd0f6c9448.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:4356
      • C:\Windows\SysWOW64\calc.exe
        "C:\Windows\SysWOW64\calc.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3008
      • 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 AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3404
        • C:\Windows\SysWOW64\mspaint.exe
          "C:\Windows\SysWOW64\mspaint.exe"
          4⤵
          • Adds Run key to start application
          • Enumerates connected drives
          • Suspicious use of AdjustPrivilegeToken
          PID:1944
      • C:\Users\Admin\AppData\Local\Temp\eba5ec221eb35337956eeacc73edb062c218903e329901d3ccbb55cd0f6c9448.exe
        "C:\Users\Admin\AppData\Local\Temp\eba5ec221eb35337956eeacc73edb062c218903e329901d3ccbb55cd0f6c9448.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4772

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/1944-143-0x0000000000380000-0x00000000003A9000-memory.dmp
    Filesize

    164KB

  • memory/1944-151-0x0000000000380000-0x00000000003A9000-memory.dmp
    Filesize

    164KB

  • memory/1944-141-0x0000000000380000-0x00000000003A9000-memory.dmp
    Filesize

    164KB

  • memory/1944-155-0x0000000000E30000-0x0000000000E7E000-memory.dmp
    Filesize

    312KB

  • memory/1944-142-0x0000000000380000-0x00000000003A9000-memory.dmp
    Filesize

    164KB

  • memory/1944-138-0x0000000000000000-mapping.dmp
  • memory/1944-157-0x0000000000380000-0x00000000003A9000-memory.dmp
    Filesize

    164KB

  • memory/1944-158-0x0000000000E30000-0x0000000000E7E000-memory.dmp
    Filesize

    312KB

  • memory/1944-144-0x0000000000380000-0x00000000003A9000-memory.dmp
    Filesize

    164KB

  • memory/2424-135-0x0000000002170000-0x0000000002184000-memory.dmp
    Filesize

    80KB

  • memory/3008-153-0x0000000002470000-0x00000000024BE000-memory.dmp
    Filesize

    312KB

  • memory/3008-137-0x0000000000000000-mapping.dmp
  • memory/3404-140-0x0000000000FA0000-0x0000000000FC9000-memory.dmp
    Filesize

    164KB

  • memory/3404-154-0x0000000001210000-0x000000000125E000-memory.dmp
    Filesize

    312KB

  • memory/3404-156-0x0000000000FA0000-0x0000000000FC9000-memory.dmp
    Filesize

    164KB

  • memory/3404-136-0x0000000000000000-mapping.dmp
  • memory/4356-133-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/4356-132-0x0000000000000000-mapping.dmp
  • memory/4356-148-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/4356-139-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/4772-145-0x0000000000000000-mapping.dmp
  • memory/4772-152-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/4772-150-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/4772-149-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/4772-146-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB