Analysis

  • max time kernel
    147s
  • max time network
    190s
  • 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 22:34

General

  • Target

    48fd52c5f0a2ba04b1c3bb9709d0d656d361ffd2701e08c4e3daf1a352d809be.exe

  • Size

    512KB

  • MD5

    c2c840264e4b766329469676211471c1

  • SHA1

    5cb7f72b4fa3c0ad21b5d7e90b316dd73b4c3478

  • SHA256

    48fd52c5f0a2ba04b1c3bb9709d0d656d361ffd2701e08c4e3daf1a352d809be

  • SHA512

    670e0134902946b81fc03a2713dce7e52ad33f55dcd46d5338d047090ea18210cccd35c5f3661856e1a280e1bc3faddf9f94aae71fc3a63af438ecccd3d836cf

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4G:0+h9OY70z+warul3E4G

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\48fd52c5f0a2ba04b1c3bb9709d0d656d361ffd2701e08c4e3daf1a352d809be.exe
    "C:\Users\Admin\AppData\Local\Temp\48fd52c5f0a2ba04b1c3bb9709d0d656d361ffd2701e08c4e3daf1a352d809be.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:4644
    • C:\Users\Admin\AppData\Local\Temp\n7708\s7708.exe
      "C:\Users\Admin\AppData\Local\Temp\n7708\s7708.exe" ab45be6fa58c499d555a43531QMVP57cC3vUdXCkGuFt2MYokMjClvVLLaJFnT4Nbw2+427JeLjs3mIn+pC+gP/Cdx21ouPWU2u2LPkJ4hM4UjfdS4Lr3KJbXmv2r5+VWXG9ySFcYgEvdk7YPjS8RonR8lu+qQsHYYw40HA4zaLe3LB0 /v "C:\Users\Admin\AppData\Local\Temp\48fd52c5f0a2ba04b1c3bb9709d0d656d361ffd2701e08c4e3daf1a352d809be.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:1932

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n7708\s7708.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n7708\s7708.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1932-135-0x00007FF893A10000-0x00007FF894446000-memory.dmp

    Filesize

    10.2MB

  • memory/1932-136-0x0000000000CBA000-0x0000000000CBF000-memory.dmp

    Filesize

    20KB

  • memory/1932-137-0x0000000000CBA000-0x0000000000CBF000-memory.dmp

    Filesize

    20KB

  • memory/1932-138-0x0000000000CBA000-0x0000000000CBF000-memory.dmp

    Filesize

    20KB