Analysis

  • max time kernel
    181s
  • max time network
    225s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 17:39

General

  • Target

    0a2395af741614a22e8d4f47ce8d613fb8759b1e92af691bc3fee80dea30f48e.exe

  • Size

    180KB

  • MD5

    55bedf1c9aff7fcd005eb8279342b7af

  • SHA1

    db67c22fbc6e370156dfde02fda6904b739c1031

  • SHA256

    0a2395af741614a22e8d4f47ce8d613fb8759b1e92af691bc3fee80dea30f48e

  • SHA512

    ca0c2974e5c344afe482caec8fbda28f5206a21e84730cee12a735143bd924c59a50e9a35284d0e92fde9d1c9a247fea0c3820b197dfea79929efb6775bac563

  • SSDEEP

    3072:n2wn6up6UlbicRJC7y8ue3zg1TggjWN/gRvzgQQCT9lIZhEjMRIys:RnrcEi/dg+gCNIRcQRJlIfIF

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\0a2395af741614a22e8d4f47ce8d613fb8759b1e92af691bc3fee80dea30f48e.exe
    "C:\Users\Admin\AppData\Local\Temp\0a2395af741614a22e8d4f47ce8d613fb8759b1e92af691bc3fee80dea30f48e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1736
    • C:\Users\Admin\AppData\Local\Temp\0a2395af741614a22e8d4f47ce8d613fb8759b1e92af691bc3fee80dea30f48e.exe
      "C:\Users\Admin\AppData\Local\Temp\0a2395af741614a22e8d4f47ce8d613fb8759b1e92af691bc3fee80dea30f48e.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:972
      • 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:320
        • 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:1368
      • C:\Windows\SysWOW64\calc.exe
        "C:\Windows\SysWOW64\calc.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:380
      • C:\Users\Admin\AppData\Local\Temp\0a2395af741614a22e8d4f47ce8d613fb8759b1e92af691bc3fee80dea30f48e.exe
        "C:\Users\Admin\AppData\Local\Temp\0a2395af741614a22e8d4f47ce8d613fb8759b1e92af691bc3fee80dea30f48e.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:488

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/320-75-0x0000000000000000-mapping.dmp
  • memory/320-340-0x0000000000250000-0x000000000029E000-memory.dmp
    Filesize

    312KB

  • memory/320-241-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/320-171-0x0000000000250000-0x000000000029E000-memory.dmp
    Filesize

    312KB

  • memory/320-121-0x0000000000250000-0x000000000029E000-memory.dmp
    Filesize

    312KB

  • memory/320-116-0x0000000000250000-0x000000000029E000-memory.dmp
    Filesize

    312KB

  • memory/320-78-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/380-112-0x00000000001E0000-0x000000000022E000-memory.dmp
    Filesize

    312KB

  • memory/380-104-0x0000000000080000-0x0000000000082000-memory.dmp
    Filesize

    8KB

  • memory/380-350-0x0000000000218000-0x000000000021A000-memory.dmp
    Filesize

    8KB

  • memory/380-117-0x00000000001E0000-0x000000000022E000-memory.dmp
    Filesize

    312KB

  • memory/380-71-0x0000000000080000-0x0000000000082000-memory.dmp
    Filesize

    8KB

  • memory/380-74-0x0000000000000000-mapping.dmp
  • memory/380-166-0x00000000001E0000-0x000000000022E000-memory.dmp
    Filesize

    312KB

  • memory/380-109-0x00000000001E0000-0x000000000022E000-memory.dmp
    Filesize

    312KB

  • memory/380-123-0x00000000001E0000-0x000000000022E000-memory.dmp
    Filesize

    312KB

  • memory/380-339-0x00000000001E0000-0x000000000022E000-memory.dmp
    Filesize

    312KB

  • memory/380-130-0x00000000001E0000-0x000000000022E000-memory.dmp
    Filesize

    312KB

  • memory/488-103-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/488-101-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/488-127-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/488-88-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/488-89-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/488-91-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/488-93-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/488-95-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/488-97-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/488-98-0x0000000000410910-mapping.dmp
  • memory/972-55-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/972-102-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/972-58-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/972-65-0x0000000000404BF0-mapping.dmp
  • memory/972-56-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/972-64-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/972-61-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/972-63-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/972-69-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/972-60-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1368-85-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1368-124-0x00000000002E0000-0x000000000032E000-memory.dmp
    Filesize

    312KB

  • memory/1368-105-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1368-129-0x00000000002E0000-0x000000000032E000-memory.dmp
    Filesize

    312KB

  • memory/1368-87-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1368-86-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1368-174-0x00000000002E0000-0x000000000032E000-memory.dmp
    Filesize

    312KB

  • memory/1368-84-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1368-83-0x0000000000671000-0x0000000000673000-memory.dmp
    Filesize

    8KB

  • memory/1368-81-0x0000000000000000-mapping.dmp
  • memory/1368-341-0x00000000002E0000-0x000000000032E000-memory.dmp
    Filesize

    312KB

  • memory/1736-54-0x00000000757B1000-0x00000000757B3000-memory.dmp
    Filesize

    8KB

  • memory/1736-68-0x00000000002B0000-0x00000000002C4000-memory.dmp
    Filesize

    80KB