Analysis

  • max time kernel
    142s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/11/2022, 07:37

General

  • Target

    82471a99ace9f5d7d0f7b6f485182ee23817edcc564261db2054e31dc1bb1dc1.exe

  • Size

    512KB

  • MD5

    6a41b53a5a6318509899b692aea0125b

  • SHA1

    f635e4f698b38bccd6202729b2e865f4312aeb15

  • SHA256

    82471a99ace9f5d7d0f7b6f485182ee23817edcc564261db2054e31dc1bb1dc1

  • SHA512

    ff3c54657c6d122a0c8a2b3750cdc013704be2902a06812b0d95055c616df994f945ba2c93cca03543c117740215be869cc93073c2d232fe53311a30bf7a48b0

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4n:0+h9OY70z+warul3E4n

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\82471a99ace9f5d7d0f7b6f485182ee23817edcc564261db2054e31dc1bb1dc1.exe
    "C:\Users\Admin\AppData\Local\Temp\82471a99ace9f5d7d0f7b6f485182ee23817edcc564261db2054e31dc1bb1dc1.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:3472
    • C:\Users\Admin\AppData\Local\Temp\n2282\s2282.exe
      "C:\Users\Admin\AppData\Local\Temp\n2282\s2282.exe" e529c9d7d2c627488ab28926VlqhaJSgOpc7a/D6LqM1sH8VJjlyzcDB5B6g1FaaAGD0cC0OyNkZMli/eUNcwR0ussdcSxgzw3+iSRXuODMs6qPGyQUXDegYIRYoD6Q4eeX1Yyzj4thygvIPayvJjN1IRg7gTAEptRdSVMUx9L3S01mQ /v "C:\Users\Admin\AppData\Local\Temp\82471a99ace9f5d7d0f7b6f485182ee23817edcc564261db2054e31dc1bb1dc1.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:1660

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\n2282\s2282.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n2282\s2282.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1660-135-0x00007FF9BEA10000-0x00007FF9BF446000-memory.dmp

    Filesize

    10.2MB

  • memory/1660-136-0x0000000000B8A000-0x0000000000B8F000-memory.dmp

    Filesize

    20KB

  • memory/1660-137-0x0000000000B8A000-0x0000000000B8F000-memory.dmp

    Filesize

    20KB

  • memory/1660-138-0x0000000000B8A000-0x0000000000B8F000-memory.dmp

    Filesize

    20KB