Analysis

  • max time kernel
    142s
  • max time network
    165s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 10:20

General

  • Target

    103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe

  • Size

    292KB

  • MD5

    da6befbc930bd34a50de57cdc863bfa1

  • SHA1

    67a534abc079409435546184f5faab06285759bf

  • SHA256

    103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082

  • SHA512

    f3031f2ff0971153043afeebc56eb9fc021be3d86fce80f662745b066233b6092165251c7f38773e1b426beea6d3bb86fd0f2732312927c47017f174cadab057

  • SSDEEP

    3072:NZdTTTcoPUQIeWeb6P4TX3IQSoHaZyiE6oIIdAX1O4wqP+KAfG3dMhWXsLdb:LdTPNPkeWeGP4DW3IdG1O0+1e2hWXsx

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 4 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
    "C:\Users\Admin\AppData\Local\Temp\103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1808
    • C:\Users\Admin\AppData\Local\Temp\103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
      "C:\Users\Admin\AppData\Local\Temp\103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1992
      • 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:768
        • 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:1700
      • C:\Windows\SysWOW64\calc.exe
        "C:\Windows\SysWOW64\calc.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:884
      • C:\Users\Admin\AppData\Local\Temp\103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
        "C:\Users\Admin\AppData\Local\Temp\103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1856

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/768-74-0x0000000000000000-mapping.dmp
  • memory/768-338-0x0000000000290000-0x00000000002DE000-memory.dmp
    Filesize

    312KB

  • memory/768-271-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/768-126-0x0000000000290000-0x00000000002DE000-memory.dmp
    Filesize

    312KB

  • memory/768-119-0x0000000000290000-0x00000000002DE000-memory.dmp
    Filesize

    312KB

  • memory/768-113-0x0000000000290000-0x00000000002DE000-memory.dmp
    Filesize

    312KB

  • memory/768-110-0x0000000000290000-0x00000000002DE000-memory.dmp
    Filesize

    312KB

  • memory/768-78-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/884-115-0x00000000001E0000-0x000000000022E000-memory.dmp
    Filesize

    312KB

  • memory/884-127-0x00000000001E0000-0x000000000022E000-memory.dmp
    Filesize

    312KB

  • memory/884-349-0x0000000000218000-0x000000000021A000-memory.dmp
    Filesize

    8KB

  • memory/884-69-0x0000000000080000-0x0000000000082000-memory.dmp
    Filesize

    8KB

  • memory/884-73-0x0000000000000000-mapping.dmp
  • memory/884-120-0x00000000001E0000-0x000000000022E000-memory.dmp
    Filesize

    312KB

  • memory/884-339-0x00000000001E0000-0x000000000022E000-memory.dmp
    Filesize

    312KB

  • memory/884-79-0x0000000000080000-0x0000000000082000-memory.dmp
    Filesize

    8KB

  • memory/884-178-0x00000000001E0000-0x000000000022E000-memory.dmp
    Filesize

    312KB

  • memory/1700-82-0x0000000000000000-mapping.dmp
  • memory/1700-84-0x0000000000131000-0x0000000000133000-memory.dmp
    Filesize

    8KB

  • memory/1700-85-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1700-86-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1700-87-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1700-88-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1700-182-0x00000000008C0000-0x000000000090E000-memory.dmp
    Filesize

    312KB

  • memory/1700-105-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1700-131-0x00000000008C0000-0x000000000090E000-memory.dmp
    Filesize

    312KB

  • memory/1700-340-0x00000000008C0000-0x000000000090E000-memory.dmp
    Filesize

    312KB

  • memory/1700-122-0x00000000008C0000-0x000000000090E000-memory.dmp
    Filesize

    312KB

  • memory/1808-54-0x0000000000220000-0x0000000000234000-memory.dmp
    Filesize

    80KB

  • memory/1856-99-0x0000000000410910-mapping.dmp
  • memory/1856-128-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1856-89-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1856-104-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1856-90-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1856-92-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1856-98-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1856-103-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1856-96-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1856-94-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1992-60-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1992-61-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1992-64-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1992-67-0x0000000075511000-0x0000000075513000-memory.dmp
    Filesize

    8KB

  • memory/1992-58-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1992-102-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1992-63-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1992-56-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1992-55-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1992-77-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1992-65-0x0000000000404BF0-mapping.dmp
  • memory/1992-68-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB