Analysis

  • max time kernel
    188s
  • max time network
    191s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/11/2022, 07:20

General

  • Target

    a22bca0f797d9149ee0eac1fad8f4393121826ca6443dbf94c6ea2fefc102fc5.exe

  • Size

    512KB

  • MD5

    4117fc9d29475d6ff0ad9d761b56f2ca

  • SHA1

    9643a9c1ae3a04c3b65f0622656ffbed0311b566

  • SHA256

    a22bca0f797d9149ee0eac1fad8f4393121826ca6443dbf94c6ea2fefc102fc5

  • SHA512

    8714d6083e2221307dd2bf20f8c35def2d33834b860daaa659c3d88cf7122f3cf394f0691fda0fd40e789d3009224f75fbee065ed3713c03a98faf827bdebdab

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4g:0+h9OY70z+warul3E4g

Score
9/10

Malware Config

Signatures

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

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

  • 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). Likely ransomware behaviour.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 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\a22bca0f797d9149ee0eac1fad8f4393121826ca6443dbf94c6ea2fefc102fc5.exe
    "C:\Users\Admin\AppData\Local\Temp\a22bca0f797d9149ee0eac1fad8f4393121826ca6443dbf94c6ea2fefc102fc5.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:2804
    • C:\Users\Admin\AppData\Local\Temp\n3314\s3314.exe
      "C:\Users\Admin\AppData\Local\Temp\n3314\s3314.exe" dc06a156bc629d5a6de06c69SatX+9hlzXEfiSeeFMphhYEu8UVW09AZeNWse7jfo1A5/8vT7a+HE1uklXtZsCAd3JekuqY/mxFURLCRm5ddJwjLec+ha3qca/DEM7IiNgsyXXNLLsz7ybQmV3vEVSaFdxLbUuiRYm1wMtjw5rqI8Rw= /v "C:\Users\Admin\AppData\Local\Temp\a22bca0f797d9149ee0eac1fad8f4393121826ca6443dbf94c6ea2fefc102fc5.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:916

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n3314\s3314.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n3314\s3314.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/916-135-0x00007FF9CB770000-0x00007FF9CC1A6000-memory.dmp

          Filesize

          10.2MB

        • memory/916-136-0x0000000000C4A000-0x0000000000C4F000-memory.dmp

          Filesize

          20KB

        • memory/916-137-0x0000000000C4A000-0x0000000000C4F000-memory.dmp

          Filesize

          20KB