Analysis

  • max time kernel
    140s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2023, 16:47

General

  • Target

    7dd7bc9bc29d78d890e5fbac201baba7.exe

  • Size

    604KB

  • MD5

    7dd7bc9bc29d78d890e5fbac201baba7

  • SHA1

    48fbab6a109acd44f9972f631f370157b17450c2

  • SHA256

    147b03f4326a09dd20c12e9a8bcd597138ba8376be925a8ee468e1991c51aa4b

  • SHA512

    b448dfed2067d12e550b8fc279951192b79a797cfd686568c997e461752b461924d801f4427cde4fa9ed5d33cad8dd522cee4be96712405f21ee33c4aa95d466

  • SSDEEP

    12288:lqmSXl3v5iqGWvSOEZIJo333nEHYdpSYzcHwYm0h/pBWGXAO6rwT2Os9eNvjAdA:lXSXl3v5fv38naHYqVSZO6rwds9cvjAy

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7dd7bc9bc29d78d890e5fbac201baba7.exe
    "C:\Users\Admin\AppData\Local\Temp\7dd7bc9bc29d78d890e5fbac201baba7.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4496
    • C:\Users\Admin\AppData\Local\Temp\n5838\s5838.exe
      "C:\Users\Admin\AppData\Local\Temp\n5838\s5838.exe" 3793913cd39f3376d2c2a961xUFlGhdIHg+Be+wmjeoWVr4a1sQ52eVk7C0cgkovj8qpS1zFNm94Qw19uk49X6Rc5Ksd68M6T9gMJDW/xF7X1T4nBP9zk9rqKuaZCJqzjfQEpWaOI7TEreWO7rjX3PF7T43hg5v8z32iY2L1XuKn2uCy /v "C:\Users\Admin\AppData\Local\Temp\7dd7bc9bc29d78d890e5fbac201baba7.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n5838\s5838.exe

    Filesize

    229KB

    MD5

    c7a6d01a847a39c88efbe79e2bacd95d

    SHA1

    4422c5334f100c4f214bbc8dddb1ce6f39f962d3

    SHA256

    e0fdf7b5c67e9b22593b277b0c4e2fb03e667a1932c322f1d5cd3432fc48af29

    SHA512

    eb5acaa7da130783e1c8acf6583371edac6e4a263219ef9cb38ad6dc90a26b4d8d41542553565fa2f0e41c1c7e348fec934121233ea56bc94362f1c7544d1a6c

  • memory/4496-0-0x0000000000840000-0x00000000008DD000-memory.dmp

    Filesize

    628KB

  • memory/4496-50-0x0000000000840000-0x00000000008DD000-memory.dmp

    Filesize

    628KB

  • memory/4556-38-0x000000001C490000-0x000000001C498000-memory.dmp

    Filesize

    32KB

  • memory/4556-40-0x0000000001380000-0x0000000001390000-memory.dmp

    Filesize

    64KB

  • memory/4556-29-0x0000000001380000-0x0000000001390000-memory.dmp

    Filesize

    64KB

  • memory/4556-30-0x000000001C370000-0x000000001C382000-memory.dmp

    Filesize

    72KB

  • memory/4556-33-0x000000001C9F0000-0x000000001CEBE000-memory.dmp

    Filesize

    4.8MB

  • memory/4556-34-0x00007FF8C1C50000-0x00007FF8C25F1000-memory.dmp

    Filesize

    9.6MB

  • memory/4556-35-0x000000001C530000-0x000000001C5CC000-memory.dmp

    Filesize

    624KB

  • memory/4556-36-0x000000001C680000-0x000000001C6E2000-memory.dmp

    Filesize

    392KB

  • memory/4556-37-0x0000000001380000-0x0000000001390000-memory.dmp

    Filesize

    64KB

  • memory/4556-14-0x0000000001380000-0x0000000001390000-memory.dmp

    Filesize

    64KB

  • memory/4556-39-0x0000000001380000-0x0000000001390000-memory.dmp

    Filesize

    64KB

  • memory/4556-15-0x00007FF8C1C50000-0x00007FF8C25F1000-memory.dmp

    Filesize

    9.6MB

  • memory/4556-41-0x0000000001380000-0x0000000001390000-memory.dmp

    Filesize

    64KB

  • memory/4556-42-0x0000000001380000-0x0000000001390000-memory.dmp

    Filesize

    64KB

  • memory/4556-43-0x0000000020BB0000-0x00000000210BE000-memory.dmp

    Filesize

    5.1MB

  • memory/4556-44-0x0000000021300000-0x000000002143C000-memory.dmp

    Filesize

    1.2MB

  • memory/4556-45-0x0000000001380000-0x0000000001390000-memory.dmp

    Filesize

    64KB

  • memory/4556-46-0x0000000001380000-0x0000000001390000-memory.dmp

    Filesize

    64KB

  • memory/4556-47-0x0000000001380000-0x0000000001390000-memory.dmp

    Filesize

    64KB

  • memory/4556-49-0x00007FF8C1C50000-0x00007FF8C25F1000-memory.dmp

    Filesize

    9.6MB

  • memory/4556-13-0x00007FF8C1C50000-0x00007FF8C25F1000-memory.dmp

    Filesize

    9.6MB