Analysis

  • max time kernel
    152s
  • max time network
    189s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 23:52

General

  • Target

    87ef7737e731697628480a80fcd00dfecadf68a2a7f40a9ebf7f00908d1fd6db.exe

  • Size

    180KB

  • MD5

    597667895aedbcaa4c6f77b90e9e2994

  • SHA1

    681232c7a6f08da5652c775b77f739a8273a96b3

  • SHA256

    87ef7737e731697628480a80fcd00dfecadf68a2a7f40a9ebf7f00908d1fd6db

  • SHA512

    6464a0d666a21fdef70bb42cc5d101301353a76c01ad0177dfb0af4f852d706196eda0a5569ad7810070a8a573da0a0cac357e5320b5c232ca18b8519eea7cd0

  • SSDEEP

    3072:nyEhVg7DPPiyJajXzsyxwiFdZz2iJHlSRcMgfBRbL:yEhS7DFa8P6dxpl4I

Malware Config

Signatures

  • CryptOne packer 13 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 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\87ef7737e731697628480a80fcd00dfecadf68a2a7f40a9ebf7f00908d1fd6db.exe
    "C:\Users\Admin\AppData\Local\Temp\87ef7737e731697628480a80fcd00dfecadf68a2a7f40a9ebf7f00908d1fd6db.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:872
    • C:\Users\Admin\AppData\Local\Temp\87ef7737e731697628480a80fcd00dfecadf68a2a7f40a9ebf7f00908d1fd6db.exe
      "C:\Users\Admin\AppData\Local\Temp\87ef7737e731697628480a80fcd00dfecadf68a2a7f40a9ebf7f00908d1fd6db.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1120
      • 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:1820
        • 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:1144
      • C:\Windows\SysWOW64\calc.exe
        "C:\Windows\SysWOW64\calc.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:332
      • C:\Users\Admin\AppData\Local\Temp\87ef7737e731697628480a80fcd00dfecadf68a2a7f40a9ebf7f00908d1fd6db.exe
        "C:\Users\Admin\AppData\Local\Temp\87ef7737e731697628480a80fcd00dfecadf68a2a7f40a9ebf7f00908d1fd6db.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:964

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/332-70-0x00000000000C0000-0x00000000000C2000-memory.dmp
    Filesize

    8KB

  • memory/332-350-0x00000000001A8000-0x00000000001AA000-memory.dmp
    Filesize

    8KB

  • memory/332-340-0x0000000000170000-0x00000000001BE000-memory.dmp
    Filesize

    312KB

  • memory/332-149-0x0000000000170000-0x00000000001BE000-memory.dmp
    Filesize

    312KB

  • memory/332-126-0x0000000000170000-0x00000000001BE000-memory.dmp
    Filesize

    312KB

  • memory/332-120-0x0000000000170000-0x00000000001BE000-memory.dmp
    Filesize

    312KB

  • memory/332-115-0x0000000000170000-0x00000000001BE000-memory.dmp
    Filesize

    312KB

  • memory/332-104-0x00000000000C0000-0x00000000000C2000-memory.dmp
    Filesize

    8KB

  • memory/332-73-0x0000000000000000-mapping.dmp
  • memory/872-65-0x0000000000230000-0x0000000000244000-memory.dmp
    Filesize

    80KB

  • memory/964-128-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/964-88-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/964-103-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/964-102-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/964-98-0x0000000000410910-mapping.dmp
  • memory/964-97-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/964-95-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/964-93-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/964-91-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/964-89-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1120-59-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1120-68-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1120-64-0x0000000000404BF0-mapping.dmp
  • memory/1120-62-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1120-54-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1120-60-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1120-63-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1120-57-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1120-77-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1120-100-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1120-67-0x0000000075F81000-0x0000000075F83000-memory.dmp
    Filesize

    8KB

  • memory/1120-55-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1144-87-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1144-129-0x00000000008A0000-0x00000000008EE000-memory.dmp
    Filesize

    312KB

  • memory/1144-341-0x00000000008A0000-0x00000000008EE000-memory.dmp
    Filesize

    312KB

  • memory/1144-86-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1144-153-0x00000000008A0000-0x00000000008EE000-memory.dmp
    Filesize

    312KB

  • memory/1144-122-0x00000000008A0000-0x00000000008EE000-memory.dmp
    Filesize

    312KB

  • memory/1144-85-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1144-81-0x0000000000000000-mapping.dmp
  • memory/1144-84-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1144-105-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1144-83-0x0000000000281000-0x0000000000283000-memory.dmp
    Filesize

    8KB

  • memory/1820-127-0x0000000000380000-0x00000000003CE000-memory.dmp
    Filesize

    312KB

  • memory/1820-145-0x0000000000380000-0x00000000003CE000-memory.dmp
    Filesize

    312KB

  • memory/1820-119-0x0000000000380000-0x00000000003CE000-memory.dmp
    Filesize

    312KB

  • memory/1820-113-0x0000000000380000-0x00000000003CE000-memory.dmp
    Filesize

    312KB

  • memory/1820-242-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1820-339-0x0000000000380000-0x00000000003CE000-memory.dmp
    Filesize

    312KB

  • memory/1820-78-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1820-110-0x0000000000380000-0x00000000003CE000-memory.dmp
    Filesize

    312KB

  • memory/1820-74-0x0000000000000000-mapping.dmp