Analysis

  • max time kernel
    190s
  • max time network
    214s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2022 17:36

General

  • Target

    82975092347d872e4f8fdfbccd46775ec57c58a8654ec18c3016121c270573a1.exe

  • Size

    512KB

  • MD5

    38c85c5fba8bf059032b4d229dab3f70

  • SHA1

    35d326862c0422cea096831c05a3c429bc0b3dd5

  • SHA256

    82975092347d872e4f8fdfbccd46775ec57c58a8654ec18c3016121c270573a1

  • SHA512

    2fd31813d8aeaebc087bab6e20424e06e7db26f8d68f3595b69f8fe2adcb3f3c21e10a5de9448e2768824bc82b3a38b8a9715a45469252078eecf995e699eb03

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4v:0+h9OY70z+warul3E4v

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\82975092347d872e4f8fdfbccd46775ec57c58a8654ec18c3016121c270573a1.exe
    "C:\Users\Admin\AppData\Local\Temp\82975092347d872e4f8fdfbccd46775ec57c58a8654ec18c3016121c270573a1.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:3952
    • C:\Users\Admin\AppData\Local\Temp\n2630\s2630.exe
      "C:\Users\Admin\AppData\Local\Temp\n2630\s2630.exe" 8c9100902a30942c9fc7ff87UIuw77Aou+9V0pimxIJkSd+ZGh5BkRL31aHSh3xYexuDVX+GFzaKGImrgYeB085fHPaexgCoV/xByEIdFkc3+zFaMAP1Agf5K2RI05M9zrAO2IKt7hEGuAjq7ASBo7CyeHiweMJEVxXOJtNzBWOBaShB /v "C:\Users\Admin\AppData\Local\Temp\82975092347d872e4f8fdfbccd46775ec57c58a8654ec18c3016121c270573a1.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:4020

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n2630\s2630.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n2630\s2630.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/4020-132-0x0000000000000000-mapping.dmp

  • memory/4020-135-0x00007FF9BEF40000-0x00007FF9BF976000-memory.dmp

    Filesize

    10.2MB

  • memory/4020-136-0x0000000000D7A000-0x0000000000D7F000-memory.dmp

    Filesize

    20KB

  • memory/4020-137-0x0000000000D7A000-0x0000000000D7F000-memory.dmp

    Filesize

    20KB