Analysis

  • max time kernel
    142s
  • max time network
    158s
  • 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, 23:06

General

  • Target

    373b10e52a272e02cda9ae96102a06ad0b45e21cbb290d7eac03b4901aa51a7e.exe

  • Size

    512KB

  • MD5

    53b70410cc68467afc62b6cd5ce76b85

  • SHA1

    ad31d0324643d33a232260569c1ca8dc096802e1

  • SHA256

    373b10e52a272e02cda9ae96102a06ad0b45e21cbb290d7eac03b4901aa51a7e

  • SHA512

    511e50a5109d168027e80c93a273a7d35d62683ee8122a941749410f9338975e9fc5e0eee6be44e3be9fc5698b6818f1c2d02c54c487f7aaae4b61bfd89bb4a6

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4Q:0+h9OY70z+warul3E4Q

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\373b10e52a272e02cda9ae96102a06ad0b45e21cbb290d7eac03b4901aa51a7e.exe
    "C:\Users\Admin\AppData\Local\Temp\373b10e52a272e02cda9ae96102a06ad0b45e21cbb290d7eac03b4901aa51a7e.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:5056
    • C:\Users\Admin\AppData\Local\Temp\n7156\s7156.exe
      "C:\Users\Admin\AppData\Local\Temp\n7156\s7156.exe" 85f0259f25b119150dc44130zIIlfBxRcubqSVK9FNlblRiebWnOMcHAHyzrDftYJQB2Q3O1bSwoSCFv2aiAAUf1Dbtm1n49G6/R1HouTGLffXEipZhDxHQhMgu/4skvpBw9GrZM4u3dDqp6iLMXlH+12zv05camChC7eVCrp9qBd1o9 /v "C:\Users\Admin\AppData\Local\Temp\373b10e52a272e02cda9ae96102a06ad0b45e21cbb290d7eac03b4901aa51a7e.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:1240

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n7156\s7156.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n7156\s7156.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1240-135-0x00007FFF7A0A0000-0x00007FFF7AAD6000-memory.dmp

    Filesize

    10.2MB

  • memory/1240-136-0x000000000162A000-0x000000000162F000-memory.dmp

    Filesize

    20KB

  • memory/1240-137-0x000000000162A000-0x000000000162F000-memory.dmp

    Filesize

    20KB

  • memory/1240-138-0x000000000162A000-0x000000000162F000-memory.dmp

    Filesize

    20KB