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Analysis

  • max time kernel
    177s
  • max time network
    193s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 07:06

General

  • Target

    c03187150a836debc73ec755140c92f416467fb109aecd32440fc4f313fe58a4.exe

  • Size

    512KB

  • MD5

    10af17ab4c758e10c214f7461ebcdc96

  • SHA1

    50b428bf72fc7263a2f723ac7bf405b65831fdc3

  • SHA256

    c03187150a836debc73ec755140c92f416467fb109aecd32440fc4f313fe58a4

  • SHA512

    f89d90378cc1aff53d06e8cd87eb7b225dacdd7304d9c161eac0d5f717ab7a4d42f23908dc9ebcb2e4672f4dba6f66681471418c6489bac2dc041fa45e59d68b

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4v:0+h9OY70z+warul3E4v

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c03187150a836debc73ec755140c92f416467fb109aecd32440fc4f313fe58a4.exe
    "C:\Users\Admin\AppData\Local\Temp\c03187150a836debc73ec755140c92f416467fb109aecd32440fc4f313fe58a4.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Loads dropped DLL
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Users\Admin\AppData\Local\Temp\n7321\s7321.exe
      "C:\Users\Admin\AppData\Local\Temp\n7321\s7321.exe" e7717f21c25652955caeda7cGABrcV5SBF0Xmx26o+NMuvi+fPT0Vkb224X4dKEgog6rXhaeMAEyn+9pXSSRZW1P7Epwykivzjsvd14T3eQXA67AQUuYOetJnxLXHW2e6j4YEwFrGidJBVT+WBBx3zOHW+Na38ItESjtXGasuNERmJnP /v "C:\Users\Admin\AppData\Local\Temp\c03187150a836debc73ec755140c92f416467fb109aecd32440fc4f313fe58a4.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:900

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n7321\s7321.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n7321\s7321.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7321\s7321.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7321\s7321.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7321\s7321.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7321\s7321.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/900-62-0x000007FEF3BD0000-0x000007FEF45F3000-memory.dmp

    Filesize

    10.1MB

  • memory/900-63-0x000007FEF2B30000-0x000007FEF3BC6000-memory.dmp

    Filesize

    16.6MB

  • memory/900-64-0x000007FEFC201000-0x000007FEFC203000-memory.dmp

    Filesize

    8KB

  • memory/900-65-0x000007FEEE100000-0x000007FEEEF8F000-memory.dmp

    Filesize

    14.6MB

  • memory/900-66-0x0000000000A16000-0x0000000000A35000-memory.dmp

    Filesize

    124KB

  • memory/900-67-0x000007FEF2040000-0x000007FEF232A000-memory.dmp

    Filesize

    2.9MB

  • memory/900-68-0x0000000000A16000-0x0000000000A35000-memory.dmp

    Filesize

    124KB

  • memory/2008-54-0x0000000075631000-0x0000000075633000-memory.dmp

    Filesize

    8KB