Analysis

  • max time kernel
    77s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2022 06:54

General

  • Target

    da7dc83f591219b19070a3a4cd3497d832664ded84d7bebfdbe52a2ecc6c32ee.exe

  • Size

    512KB

  • MD5

    dc313d1d27c29d55f308ca107ddef453

  • SHA1

    bbbd02659936854af1b642fd2d459c4bdca59d23

  • SHA256

    da7dc83f591219b19070a3a4cd3497d832664ded84d7bebfdbe52a2ecc6c32ee

  • SHA512

    efcdfcb7277bd1bb52551f4eb259b8874670e222f267d0621c0d2e2db113fdf149f00f83d64a9d858c93f91221133dc928ed9e11b919fb4e788a8c4f49682b75

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4d:0+h9OY70z+warul3E4d

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\da7dc83f591219b19070a3a4cd3497d832664ded84d7bebfdbe52a2ecc6c32ee.exe
    "C:\Users\Admin\AppData\Local\Temp\da7dc83f591219b19070a3a4cd3497d832664ded84d7bebfdbe52a2ecc6c32ee.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:1316
    • C:\Users\Admin\AppData\Local\Temp\n2054\s2054.exe
      "C:\Users\Admin\AppData\Local\Temp\n2054\s2054.exe" a73bd8d6a5ae1305037b204d+D4lvcTArL4htVUMZOKcTuX7MycHziZ4hEGuouWMv29eks2iMYuA9wG5BlQK+v3Lbdbt8eSQftHMLvYcdJeE1v39O5kfEdAyB+rxdu448U0HlyLsaPGjLKXQgv/EwBlF6OSNogJ4b98MtSK7MXlb1R3P /v "C:\Users\Admin\AppData\Local\Temp\da7dc83f591219b19070a3a4cd3497d832664ded84d7bebfdbe52a2ecc6c32ee.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:800

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n2054\s2054.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n2054\s2054.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/800-135-0x00007FF8F7400000-0x00007FF8F7E36000-memory.dmp

    Filesize

    10.2MB

  • memory/800-136-0x0000000000DDA000-0x0000000000DDF000-memory.dmp

    Filesize

    20KB

  • memory/800-137-0x0000000000DDA000-0x0000000000DDF000-memory.dmp

    Filesize

    20KB