Analysis

  • max time kernel
    238s
  • max time network
    358s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 08:03

General

  • Target

    375b935c8ee0e9819b4b636fee2b6b5175e7313cf5d5c8d48cb85d66dfd94af8.exe

  • Size

    256KB

  • MD5

    ec08ac2c11b145a3726362fad2cf5cdb

  • SHA1

    e855a457e9909b779a1788021f0e4f3cf754bc4a

  • SHA256

    375b935c8ee0e9819b4b636fee2b6b5175e7313cf5d5c8d48cb85d66dfd94af8

  • SHA512

    4968b0356c659f0ce0590fd7d748235a86496d302846fa9e406dfcabf4e036e81afff989e19bad5ea39286806db713c226a06e838dbd4cf6bd0a21289a6cfc66

  • SSDEEP

    3072:LWVQPp7D5oz04Xd6aiSsHEAyFvVi/4z3MoqOipOdtoGgOccmFlxFILj2:LxPp7V74tUCV+oqH6J3mFlp

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
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\375b935c8ee0e9819b4b636fee2b6b5175e7313cf5d5c8d48cb85d66dfd94af8.exe
    "C:\Users\Admin\AppData\Local\Temp\375b935c8ee0e9819b4b636fee2b6b5175e7313cf5d5c8d48cb85d66dfd94af8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:524
    • C:\Users\Admin\AppData\Local\Temp\375b935c8ee0e9819b4b636fee2b6b5175e7313cf5d5c8d48cb85d66dfd94af8.exe
      "C:\Users\Admin\AppData\Local\Temp\375b935c8ee0e9819b4b636fee2b6b5175e7313cf5d5c8d48cb85d66dfd94af8.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:988
      • C:\Windows\SysWOW64\calc.exe
        "C:\Windows\SysWOW64\calc.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1360
      • 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:648
        • 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:1932
      • C:\Users\Admin\AppData\Local\Temp\375b935c8ee0e9819b4b636fee2b6b5175e7313cf5d5c8d48cb85d66dfd94af8.exe
        "C:\Users\Admin\AppData\Local\Temp\375b935c8ee0e9819b4b636fee2b6b5175e7313cf5d5c8d48cb85d66dfd94af8.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:672

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/524-54-0x00000000767C1000-0x00000000767C3000-memory.dmp
    Filesize

    8KB

  • memory/524-66-0x0000000000220000-0x0000000000234000-memory.dmp
    Filesize

    80KB

  • memory/648-75-0x0000000000000000-mapping.dmp
  • memory/648-339-0x0000000000250000-0x000000000029E000-memory.dmp
    Filesize

    312KB

  • memory/648-157-0x0000000000250000-0x000000000029E000-memory.dmp
    Filesize

    312KB

  • memory/648-124-0x0000000000250000-0x000000000029E000-memory.dmp
    Filesize

    312KB

  • memory/648-118-0x0000000000250000-0x000000000029E000-memory.dmp
    Filesize

    312KB

  • memory/648-113-0x0000000000250000-0x000000000029E000-memory.dmp
    Filesize

    312KB

  • memory/648-110-0x0000000000250000-0x000000000029E000-memory.dmp
    Filesize

    312KB

  • memory/648-106-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/648-81-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/672-92-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/672-89-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/672-127-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/672-104-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/672-102-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/672-99-0x0000000000410910-mapping.dmp
  • memory/672-98-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/672-96-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/672-94-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/672-90-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/988-65-0x0000000000404BF0-mapping.dmp
  • memory/988-74-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/988-55-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/988-64-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/988-60-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/988-56-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/988-61-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/988-63-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/988-58-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/988-105-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1360-342-0x0000000000418000-0x000000000041A000-memory.dmp
    Filesize

    8KB

  • memory/1360-130-0x00000000003E0000-0x000000000042E000-memory.dmp
    Filesize

    312KB

  • memory/1360-69-0x0000000000080000-0x0000000000082000-memory.dmp
    Filesize

    8KB

  • memory/1360-82-0x0000000000080000-0x0000000000082000-memory.dmp
    Filesize

    8KB

  • memory/1360-340-0x00000000003E0000-0x000000000042E000-memory.dmp
    Filesize

    312KB

  • memory/1360-161-0x00000000003E0000-0x000000000042E000-memory.dmp
    Filesize

    312KB

  • memory/1360-117-0x00000000003E0000-0x000000000042E000-memory.dmp
    Filesize

    312KB

  • memory/1360-123-0x00000000003E0000-0x000000000042E000-memory.dmp
    Filesize

    312KB

  • memory/1360-73-0x0000000000000000-mapping.dmp
  • memory/1932-103-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1932-125-0x00000000001F0000-0x000000000023E000-memory.dmp
    Filesize

    312KB

  • memory/1932-88-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1932-87-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1932-86-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1932-165-0x00000000001F0000-0x000000000023E000-memory.dmp
    Filesize

    312KB

  • memory/1932-85-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1932-84-0x0000000000631000-0x0000000000633000-memory.dmp
    Filesize

    8KB

  • memory/1932-341-0x00000000001F0000-0x000000000023E000-memory.dmp
    Filesize

    312KB

  • memory/1932-80-0x0000000000000000-mapping.dmp