Analysis

  • max time kernel
    73s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 21:09

General

  • Target

    db2b89059f86a830b2bacd9549387449370bfdcaa34d043d1a7da1ec091d1396.exe

  • Size

    512KB

  • MD5

    d628d3261290eb5691ae00279a4edbd4

  • SHA1

    b4f7e3da983bcb8f451d1dc1568de5c3dbdd0dfc

  • SHA256

    db2b89059f86a830b2bacd9549387449370bfdcaa34d043d1a7da1ec091d1396

  • SHA512

    6cf1aae0651e29abe4324d9ddc9c0bff015a7b0d078e3f1cf80cb6e76dee51552a037f34666ef19959ee9e74b04d0a67dbcf54b52f12b129ecc84e5730722f09

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4M:0+h9OY70z+warul3E4M

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 5 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\db2b89059f86a830b2bacd9549387449370bfdcaa34d043d1a7da1ec091d1396.exe
    "C:\Users\Admin\AppData\Local\Temp\db2b89059f86a830b2bacd9549387449370bfdcaa34d043d1a7da1ec091d1396.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:4276
    • C:\Users\Admin\AppData\Local\Temp\n9505\s9505.exe
      "C:\Users\Admin\AppData\Local\Temp\n9505\s9505.exe" 4de5f813c0e3b061975d4304AwE98kZPR/1WeXoyqb+vXhUPiRjbhZXKdcAev6zbALDPfUejb8qzMlA4aA4kkzZDhk4S1bpK6WB2qRkx+GDfDesTxwETjM++H97PkrlSw7IQ+ZvL/oebV+N9z6ToBYwDBoqdNcMwR7i7YanDpwrqOMKT /v "C:\Users\Admin\AppData\Local\Temp\db2b89059f86a830b2bacd9549387449370bfdcaa34d043d1a7da1ec091d1396.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:4928

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n9505\s9505.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n9505\s9505.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/4928-135-0x00007FF87C250000-0x00007FF87CC86000-memory.dmp

          Filesize

          10.2MB

        • memory/4928-136-0x0000000001B7A000-0x0000000001B7F000-memory.dmp

          Filesize

          20KB

        • memory/4928-137-0x0000000001B7A000-0x0000000001B7F000-memory.dmp

          Filesize

          20KB