Analysis

  • max time kernel
    70s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-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
  • 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\da7dc83f591219b19070a3a4cd3497d832664ded84d7bebfdbe52a2ecc6c32ee.exe
    "C:\Users\Admin\AppData\Local\Temp\da7dc83f591219b19070a3a4cd3497d832664ded84d7bebfdbe52a2ecc6c32ee.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:2024
    • C:\Users\Admin\AppData\Local\Temp\n3849\s3849.exe
      "C:\Users\Admin\AppData\Local\Temp\n3849\s3849.exe" a73bd8d6a5ae1305037b204d+D4lvcTArL4htVUMZOKcTuX7MycHziZ4hEGuouWMv29eks2iMYuA9wG5BlQK+v3Lbdbt8eSQftHMLvYcdJeE1v39O5kfEdAyB+rxdu448U0HlyLsaPGjLKXQgv/EwBlF6OSNogJ4b98MtSK7MXlb1R3P /v "C:\Users\Admin\AppData\Local\Temp\da7dc83f591219b19070a3a4cd3497d832664ded84d7bebfdbe52a2ecc6c32ee.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:956

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\n3849\s3849.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n3849\s3849.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n3849\s3849.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n3849\s3849.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n3849\s3849.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n3849\s3849.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/956-62-0x000007FEF3EF0000-0x000007FEF4913000-memory.dmp

    Filesize

    10.1MB

  • memory/956-63-0x000007FEEDE40000-0x000007FEEEED6000-memory.dmp

    Filesize

    16.6MB

  • memory/956-64-0x000007FEFC251000-0x000007FEFC253000-memory.dmp

    Filesize

    8KB

  • memory/956-65-0x0000000000A96000-0x0000000000AB5000-memory.dmp

    Filesize

    124KB

  • memory/956-66-0x0000000000A96000-0x0000000000AB5000-memory.dmp

    Filesize

    124KB

  • memory/956-67-0x000007FEECFB0000-0x000007FEEDE3F000-memory.dmp

    Filesize

    14.6MB

  • memory/956-68-0x000007FEF3C00000-0x000007FEF3EEA000-memory.dmp

    Filesize

    2.9MB

  • memory/956-69-0x0000000000A96000-0x0000000000AB5000-memory.dmp

    Filesize

    124KB

  • memory/2024-54-0x0000000075F81000-0x0000000075F83000-memory.dmp

    Filesize

    8KB