Analysis

  • max time kernel
    77s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-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 12 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
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 50 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:1644
    • 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:1960
      • 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:1528
        • C:\Windows\SysWOW64\mspaint.exe
          "C:\Windows\SysWOW64\mspaint.exe"
          4⤵
          • Adds Run key to start application
          • Enumerates connected drives
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1216
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1216 -s 668
            5⤵
            • Program crash
            PID:1560
      • C:\Windows\SysWOW64\calc.exe
        "C:\Windows\SysWOW64\calc.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1680
      • 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:588

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/588-96-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/588-89-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/588-129-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/588-90-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/588-92-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/588-94-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/588-104-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/588-102-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/588-99-0x0000000000410910-mapping.dmp
  • memory/588-98-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1216-105-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1216-87-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1216-122-0x0000000000240000-0x000000000028E000-memory.dmp
    Filesize

    312KB

  • memory/1216-79-0x0000000000000000-mapping.dmp
  • memory/1216-130-0x0000000000240000-0x000000000028E000-memory.dmp
    Filesize

    312KB

  • memory/1216-83-0x0000000000A41000-0x0000000000A43000-memory.dmp
    Filesize

    8KB

  • memory/1216-339-0x0000000000240000-0x000000000028E000-memory.dmp
    Filesize

    312KB

  • memory/1216-88-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1216-85-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1216-86-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1528-123-0x0000000000200000-0x000000000024E000-memory.dmp
    Filesize

    312KB

  • memory/1528-116-0x0000000000200000-0x000000000024E000-memory.dmp
    Filesize

    312KB

  • memory/1528-82-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1528-320-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1528-131-0x0000000000200000-0x000000000024E000-memory.dmp
    Filesize

    312KB

  • memory/1528-72-0x0000000000000000-mapping.dmp
  • memory/1528-338-0x0000000000200000-0x000000000024E000-memory.dmp
    Filesize

    312KB

  • memory/1560-344-0x0000000000130000-0x000000000017E000-memory.dmp
    Filesize

    312KB

  • memory/1560-343-0x0000000000130000-0x000000000017E000-memory.dmp
    Filesize

    312KB

  • memory/1560-342-0x0000000000000000-mapping.dmp
  • memory/1644-66-0x0000000000220000-0x0000000000234000-memory.dmp
    Filesize

    80KB

  • memory/1644-54-0x0000000075A11000-0x0000000075A13000-memory.dmp
    Filesize

    8KB

  • memory/1680-71-0x00000000000C0000-0x00000000000C2000-memory.dmp
    Filesize

    8KB

  • memory/1680-110-0x0000000000250000-0x000000000029E000-memory.dmp
    Filesize

    312KB

  • memory/1680-112-0x0000000000250000-0x000000000029E000-memory.dmp
    Filesize

    312KB

  • memory/1680-337-0x0000000000250000-0x000000000029E000-memory.dmp
    Filesize

    312KB

  • memory/1680-117-0x0000000000250000-0x000000000029E000-memory.dmp
    Filesize

    312KB

  • memory/1680-84-0x00000000000C0000-0x00000000000C2000-memory.dmp
    Filesize

    8KB

  • memory/1680-74-0x0000000000000000-mapping.dmp
  • memory/1680-125-0x0000000000250000-0x000000000029E000-memory.dmp
    Filesize

    312KB

  • memory/1960-65-0x0000000000404BF0-mapping.dmp
  • memory/1960-58-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1960-56-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1960-60-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1960-61-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1960-63-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1960-55-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1960-64-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1960-103-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1960-81-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB