Analysis

  • max time kernel
    75s
  • max time network
    137s
  • 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, 21:19

General

  • Target

    4966116db06d04cb5a3003f99aa9c586f2a3f600f9e4400f68f124485c4fd363.exe

  • Size

    512KB

  • MD5

    466b0734d3ba74d802308c9e9d58fd4a

  • SHA1

    c6bb30f3d8ced07889369c8a61f0af490f973bae

  • SHA256

    4966116db06d04cb5a3003f99aa9c586f2a3f600f9e4400f68f124485c4fd363

  • SHA512

    06146cd10a4b3e8276badd71b566331e7be3407b4b8bd2264369cd48bfbcba22cffced47e4cce172ea02a4332692c14d1c61adacc07f5cb8bb09e408a5138152

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4ga:0+h9OY70z+warul3E4ga

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\4966116db06d04cb5a3003f99aa9c586f2a3f600f9e4400f68f124485c4fd363.exe
    "C:\Users\Admin\AppData\Local\Temp\4966116db06d04cb5a3003f99aa9c586f2a3f600f9e4400f68f124485c4fd363.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:4284
    • C:\Users\Admin\AppData\Local\Temp\n2716\s2716.exe
      "C:\Users\Admin\AppData\Local\Temp\n2716\s2716.exe" a306c4fbe50a58e11d821b96fqXv9142LvbYMl2ue7z4N5uPm2Sqgexd4AjFrf1i3yZCwrPULdNv+FIYiz0we6DOQCLDuPVlOkmT6sNPqhlW6RzZW7+MQ9ee5NZYpyp6w3M5DE/AA6J33qeEyssWb8sf+jzOkxoukwAKgucTozB9uBN8 /v "C:\Users\Admin\AppData\Local\Temp\4966116db06d04cb5a3003f99aa9c586f2a3f600f9e4400f68f124485c4fd363.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:4956

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n2716\s2716.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n2716\s2716.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/4956-135-0x00007FF87C250000-0x00007FF87CC86000-memory.dmp

    Filesize

    10.2MB

  • memory/4956-136-0x000000000102A000-0x000000000102F000-memory.dmp

    Filesize

    20KB

  • memory/4956-137-0x000000000102A000-0x000000000102F000-memory.dmp

    Filesize

    20KB