Analysis

  • max time kernel
    141s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 08:32

General

  • Target

    da3e4a90730fc87a198eaa4b83c65641f43b0835ba2ff79ddabb2cc5bc794c91.exe

  • Size

    213KB

  • MD5

    f4c943788a058834e5589fb5d6adeaa1

  • SHA1

    45bcee81c82ba663b256976f1a2a328e42f50ca3

  • SHA256

    da3e4a90730fc87a198eaa4b83c65641f43b0835ba2ff79ddabb2cc5bc794c91

  • SHA512

    e24214d25c6bf3b8ebc7eab722ac3e467433e6f10320aa9e68c0110c86c05c37bcd38c7122f8c738565e4f9a83afc745c5eb52511fe02f4f43bc57169631cfc1

  • SSDEEP

    3072:ea9JyHCjnEN5SurHIyyr0H6yL6PrKr/Y6N0j55uw4omPMU0GhSRmV2/:ecUHOENxEtrKr3ejbmMKy

Malware Config

Signatures

  • CryptOne packer 10 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\da3e4a90730fc87a198eaa4b83c65641f43b0835ba2ff79ddabb2cc5bc794c91.exe
    "C:\Users\Admin\AppData\Local\Temp\da3e4a90730fc87a198eaa4b83c65641f43b0835ba2ff79ddabb2cc5bc794c91.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1832
    • C:\Users\Admin\AppData\Local\Temp\da3e4a90730fc87a198eaa4b83c65641f43b0835ba2ff79ddabb2cc5bc794c91.exe
      "C:\Users\Admin\AppData\Local\Temp\da3e4a90730fc87a198eaa4b83c65641f43b0835ba2ff79ddabb2cc5bc794c91.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:836
      • C:\Windows\SysWOW64\calc.exe
        "C:\Windows\SysWOW64\calc.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1136
      • 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:840
        • 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:276
      • C:\Users\Admin\AppData\Local\Temp\da3e4a90730fc87a198eaa4b83c65641f43b0835ba2ff79ddabb2cc5bc794c91.exe
        "C:\Users\Admin\AppData\Local\Temp\da3e4a90730fc87a198eaa4b83c65641f43b0835ba2ff79ddabb2cc5bc794c91.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1456

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/276-127-0x0000000000270000-0x00000000002BE000-memory.dmp
    Filesize

    312KB

  • memory/276-80-0x00000000003D1000-0x00000000003D3000-memory.dmp
    Filesize

    8KB

  • memory/276-81-0x00000000000C0000-0x00000000000E9000-memory.dmp
    Filesize

    164KB

  • memory/276-84-0x00000000000C0000-0x00000000000E9000-memory.dmp
    Filesize

    164KB

  • memory/276-83-0x00000000000C0000-0x00000000000E9000-memory.dmp
    Filesize

    164KB

  • memory/276-98-0x00000000000C0000-0x00000000000E9000-memory.dmp
    Filesize

    164KB

  • memory/276-82-0x00000000000C0000-0x00000000000E9000-memory.dmp
    Filesize

    164KB

  • memory/276-164-0x0000000000270000-0x00000000002BE000-memory.dmp
    Filesize

    312KB

  • memory/276-120-0x0000000000270000-0x00000000002BE000-memory.dmp
    Filesize

    312KB

  • memory/276-78-0x0000000000000000-mapping.dmp
  • memory/276-347-0x0000000000270000-0x00000000002BE000-memory.dmp
    Filesize

    312KB

  • memory/836-61-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/836-65-0x0000000000404BF0-mapping.dmp
  • memory/836-55-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/836-64-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/836-63-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/836-60-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/836-58-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/836-56-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/836-92-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/840-114-0x0000000000210000-0x000000000025E000-memory.dmp
    Filesize

    312KB

  • memory/840-129-0x0000000000210000-0x000000000025E000-memory.dmp
    Filesize

    312KB

  • memory/840-121-0x0000000000210000-0x000000000025E000-memory.dmp
    Filesize

    312KB

  • memory/840-162-0x0000000000210000-0x000000000025E000-memory.dmp
    Filesize

    312KB

  • memory/840-94-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/840-345-0x0000000000210000-0x000000000025E000-memory.dmp
    Filesize

    312KB

  • memory/840-109-0x0000000000210000-0x000000000025E000-memory.dmp
    Filesize

    312KB

  • memory/840-70-0x0000000000000000-mapping.dmp
  • memory/1136-126-0x00000000007E0000-0x000000000082E000-memory.dmp
    Filesize

    312KB

  • memory/1136-119-0x00000000007E0000-0x000000000082E000-memory.dmp
    Filesize

    312KB

  • memory/1136-348-0x0000000000818000-0x000000000081A000-memory.dmp
    Filesize

    8KB

  • memory/1136-71-0x00000000000C0000-0x00000000000C2000-memory.dmp
    Filesize

    8KB

  • memory/1136-346-0x00000000007E0000-0x000000000082E000-memory.dmp
    Filesize

    312KB

  • memory/1136-96-0x00000000000C0000-0x00000000000C2000-memory.dmp
    Filesize

    8KB

  • memory/1136-73-0x0000000000000000-mapping.dmp
  • memory/1136-163-0x00000000007E0000-0x000000000082E000-memory.dmp
    Filesize

    312KB

  • memory/1136-113-0x00000000007E0000-0x000000000082E000-memory.dmp
    Filesize

    312KB

  • memory/1456-124-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1456-88-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1456-100-0x0000000000410910-mapping.dmp
  • memory/1456-86-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1456-91-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1456-85-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1456-95-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1456-99-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1456-104-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1456-103-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1832-90-0x0000000000230000-0x000000000024A000-memory.dmp
    Filesize

    104KB

  • memory/1832-54-0x0000000076401000-0x0000000076403000-memory.dmp
    Filesize

    8KB