Analysis

  • max time kernel
    177s
  • max time network
    200s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 12:17

General

  • Target

    6bcf210bcccd91bd7735e909d190dbbb10cc44ca46d8069d332ccd128bc8908f.exe

  • Size

    269KB

  • MD5

    f6d44ea037d8d0099af3d0d692018989

  • SHA1

    73e44ca497c63af7e71decdf541fa7d1011ac87b

  • SHA256

    6bcf210bcccd91bd7735e909d190dbbb10cc44ca46d8069d332ccd128bc8908f

  • SHA512

    afb68ad4510cce5d7abfa472e2404da33f48696406889dc49b9a1581454bd2117dbf6be5135dc4b48a846808e403cffcc5c87c1e7e3fd8689bc87072de16309c

  • SSDEEP

    3072:OKgqsEmsafEycycCo3THg49PHrfIms8j/SN3EZj80/yv5lWww:rwSD1HTImB/Q3EV84

Malware Config

Signatures

  • CryptOne packer 11 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\6bcf210bcccd91bd7735e909d190dbbb10cc44ca46d8069d332ccd128bc8908f.exe
    "C:\Users\Admin\AppData\Local\Temp\6bcf210bcccd91bd7735e909d190dbbb10cc44ca46d8069d332ccd128bc8908f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1816
    • C:\Users\Admin\AppData\Local\Temp\6bcf210bcccd91bd7735e909d190dbbb10cc44ca46d8069d332ccd128bc8908f.exe
      "C:\Users\Admin\AppData\Local\Temp\6bcf210bcccd91bd7735e909d190dbbb10cc44ca46d8069d332ccd128bc8908f.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1232
      • 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:540
        • 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:1716
      • C:\Windows\SysWOW64\calc.exe
        "C:\Windows\SysWOW64\calc.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:860
      • C:\Users\Admin\AppData\Local\Temp\6bcf210bcccd91bd7735e909d190dbbb10cc44ca46d8069d332ccd128bc8908f.exe
        "C:\Users\Admin\AppData\Local\Temp\6bcf210bcccd91bd7735e909d190dbbb10cc44ca46d8069d332ccd128bc8908f.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1704

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/540-74-0x0000000000000000-mapping.dmp
  • memory/540-338-0x0000000000250000-0x000000000029E000-memory.dmp
    Filesize

    312KB

  • memory/540-192-0x0000000000250000-0x000000000029E000-memory.dmp
    Filesize

    312KB

  • memory/540-127-0x0000000000250000-0x000000000029E000-memory.dmp
    Filesize

    312KB

  • memory/540-120-0x0000000000250000-0x000000000029E000-memory.dmp
    Filesize

    312KB

  • memory/540-113-0x0000000000250000-0x000000000029E000-memory.dmp
    Filesize

    312KB

  • memory/540-78-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/860-73-0x0000000000000000-mapping.dmp
  • memory/860-195-0x00000000001A0000-0x00000000001EE000-memory.dmp
    Filesize

    312KB

  • memory/860-125-0x00000000001A0000-0x00000000001EE000-memory.dmp
    Filesize

    312KB

  • memory/860-70-0x0000000000080000-0x0000000000082000-memory.dmp
    Filesize

    8KB

  • memory/860-341-0x00000000001D8000-0x00000000001DA000-memory.dmp
    Filesize

    8KB

  • memory/860-339-0x00000000001A0000-0x00000000001EE000-memory.dmp
    Filesize

    312KB

  • memory/860-111-0x00000000001A0000-0x00000000001EE000-memory.dmp
    Filesize

    312KB

  • memory/860-115-0x00000000001A0000-0x00000000001EE000-memory.dmp
    Filesize

    312KB

  • memory/860-79-0x0000000000080000-0x0000000000082000-memory.dmp
    Filesize

    8KB

  • memory/1232-55-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1232-103-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1232-65-0x0000000000404BF0-mapping.dmp
  • memory/1232-56-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1232-58-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1232-63-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1232-60-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1232-61-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1232-77-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1232-64-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1704-89-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1704-97-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1704-100-0x0000000000410910-mapping.dmp
  • memory/1704-99-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1704-104-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1704-95-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1704-105-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1704-92-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1704-90-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1704-124-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1716-85-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1716-121-0x00000000002B0000-0x00000000002FE000-memory.dmp
    Filesize

    312KB

  • memory/1716-126-0x00000000002B0000-0x00000000002FE000-memory.dmp
    Filesize

    312KB

  • memory/1716-93-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1716-88-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1716-87-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1716-86-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1716-84-0x0000000000F41000-0x0000000000F43000-memory.dmp
    Filesize

    8KB

  • memory/1716-197-0x00000000002B0000-0x00000000002FE000-memory.dmp
    Filesize

    312KB

  • memory/1716-82-0x0000000000000000-mapping.dmp
  • memory/1716-340-0x00000000002B0000-0x00000000002FE000-memory.dmp
    Filesize

    312KB

  • memory/1816-54-0x0000000075F51000-0x0000000075F53000-memory.dmp
    Filesize

    8KB

  • memory/1816-66-0x00000000001D0000-0x00000000001EA000-memory.dmp
    Filesize

    104KB