Analysis

  • max time kernel
    125s
  • max time network
    173s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 06:36

General

  • Target

    fe13949ebc407ac69c133bdb712a493f29dd6ffdac40a8e7c2b5544ffba1450e.exe

  • Size

    512KB

  • MD5

    40520d40fe834f371a00ffa5b8c5ce14

  • SHA1

    becb0cf7ee5f3418c43eca2bea9fc71a215bd9ba

  • SHA256

    fe13949ebc407ac69c133bdb712a493f29dd6ffdac40a8e7c2b5544ffba1450e

  • SHA512

    3abcbd3b78812b3955ecd8fa855c1a12194964aa253f324bbfa8f41721cd2827777607ebc64be3fcf48f4ecc81d2dde655bf80de6af6efce373c5f4de543fcf9

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4q:0+h9OY70z+warul3E4q

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\fe13949ebc407ac69c133bdb712a493f29dd6ffdac40a8e7c2b5544ffba1450e.exe
    "C:\Users\Admin\AppData\Local\Temp\fe13949ebc407ac69c133bdb712a493f29dd6ffdac40a8e7c2b5544ffba1450e.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:1312
    • C:\Users\Admin\AppData\Local\Temp\n9078\s9078.exe
      "C:\Users\Admin\AppData\Local\Temp\n9078\s9078.exe" def9c6fa3ff84ef3f614ff82angTh8fYd2606XJr7E4NFdFKft7/n8fjR8wZYSdrT8uytzmSR90Lz7TMDBZs6P7cZYFeoOocjunwWJ/wm8gOvBDzfGklZ0a1ICQd0CA3bNFlldJUKEII6S1P0ZXCksb8166LJr+vzzoYiP0rL3pQUuEa /v "C:\Users\Admin\AppData\Local\Temp\fe13949ebc407ac69c133bdb712a493f29dd6ffdac40a8e7c2b5544ffba1450e.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\n9078\s9078.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n9078\s9078.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n9078\s9078.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n9078\s9078.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n9078\s9078.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n9078\s9078.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/900-62-0x000007FEF41A0000-0x000007FEF4BC3000-memory.dmp

          Filesize

          10.1MB

        • memory/900-63-0x000007FEF2EC0000-0x000007FEF3F56000-memory.dmp

          Filesize

          16.6MB

        • memory/900-64-0x000007FEFBF81000-0x000007FEFBF83000-memory.dmp

          Filesize

          8KB

        • memory/900-65-0x0000000000776000-0x0000000000795000-memory.dmp

          Filesize

          124KB

        • memory/900-66-0x000007FEEE7A0000-0x000007FEEF62F000-memory.dmp

          Filesize

          14.6MB

        • memory/900-67-0x0000000000776000-0x0000000000795000-memory.dmp

          Filesize

          124KB

        • memory/900-68-0x000007FEF1D10000-0x000007FEF1FFA000-memory.dmp

          Filesize

          2.9MB

        • memory/900-69-0x0000000000776000-0x0000000000795000-memory.dmp

          Filesize

          124KB

        • memory/1312-54-0x0000000075761000-0x0000000075763000-memory.dmp

          Filesize

          8KB