Analysis

  • max time kernel
    51s
  • max time network
    55s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 07:17

General

  • Target

    a914525d3590a6bda76169d1e19b805246082355f1e5500b3e0f3f32f7af45ca.exe

  • Size

    512KB

  • MD5

    7a9288adefcde173ccfdea7517b760d9

  • SHA1

    91da8fd60db2bc5b6eb601e57e705942fa86ad3a

  • SHA256

    a914525d3590a6bda76169d1e19b805246082355f1e5500b3e0f3f32f7af45ca

  • SHA512

    af93127e6a528d5315a337a0306f0b40440e1772f90a1d2a1016b7bea303bba540d2b666a070850161d3405cace21561c5ff2106d9eac8cd0ab53fe78560bd50

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4J:0+h9OY70z+warul3E4J

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\a914525d3590a6bda76169d1e19b805246082355f1e5500b3e0f3f32f7af45ca.exe
    "C:\Users\Admin\AppData\Local\Temp\a914525d3590a6bda76169d1e19b805246082355f1e5500b3e0f3f32f7af45ca.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:1944
    • C:\Users\Admin\AppData\Local\Temp\n2393\s2393.exe
      "C:\Users\Admin\AppData\Local\Temp\n2393\s2393.exe" d551800ba9ebe202695ef3edSfxnOWcMK3ULTEdy+y6thAvOeN1LPuZk6XMW0A1SvFgvYEJOR19N/mPPV8MTqfLRATNnJLM7jkmd1P9MrBfYvB/Cdj73ieh1ljgCg1aM1TyUkeq52FemcSipvcsjXpNTigre+ZCFWdEnEdULD2qaVrp3 /v "C:\Users\Admin\AppData\Local\Temp\a914525d3590a6bda76169d1e19b805246082355f1e5500b3e0f3f32f7af45ca.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1556

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n2393\s2393.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n2393\s2393.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n2393\s2393.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n2393\s2393.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n2393\s2393.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n2393\s2393.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/1556-62-0x000007FEF4A40000-0x000007FEF5463000-memory.dmp

          Filesize

          10.1MB

        • memory/1556-63-0x000007FEF3760000-0x000007FEF47F6000-memory.dmp

          Filesize

          16.6MB

        • memory/1556-64-0x000007FEFC511000-0x000007FEFC513000-memory.dmp

          Filesize

          8KB

        • memory/1556-65-0x0000000001FB6000-0x0000000001FD5000-memory.dmp

          Filesize

          124KB

        • memory/1556-66-0x000007FEEE510000-0x000007FEEF39F000-memory.dmp

          Filesize

          14.6MB

        • memory/1556-67-0x000007FEF2740000-0x000007FEF2A2A000-memory.dmp

          Filesize

          2.9MB

        • memory/1556-68-0x0000000001FB6000-0x0000000001FD5000-memory.dmp

          Filesize

          124KB

        • memory/1944-54-0x0000000075CF1000-0x0000000075CF3000-memory.dmp

          Filesize

          8KB