Analysis

  • max time kernel
    183s
  • max time network
    189s
  • 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, 16:04

General

  • Target

    ed690751d4f092879c39000f5a7cb2fa0f28573372421621e09629a8c5c8e7dd.exe

  • Size

    512KB

  • MD5

    a8d3b23669996bf23fc85af658baf32b

  • SHA1

    f0514f6b1f6c50a9469927172524c40bc0841ac8

  • SHA256

    ed690751d4f092879c39000f5a7cb2fa0f28573372421621e09629a8c5c8e7dd

  • SHA512

    0b2f90401c8bdea57ccb90e662295a0e400b4f4aa3d79c144e5ecda56cbc91190a8231bbe9e2ddbbcd53a1f62a8a3df556c1e3e72f80f38e6ece94d0b8b6691f

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4gQ:0+h9OY70z+warul3E4l

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\ed690751d4f092879c39000f5a7cb2fa0f28573372421621e09629a8c5c8e7dd.exe
    "C:\Users\Admin\AppData\Local\Temp\ed690751d4f092879c39000f5a7cb2fa0f28573372421621e09629a8c5c8e7dd.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:556
    • C:\Users\Admin\AppData\Local\Temp\n5694\s5694.exe
      "C:\Users\Admin\AppData\Local\Temp\n5694\s5694.exe" 9fbb830adc9b318315c159f75hZhauNxuSplEc2dlS2zMLqIk4KoFydkSnUWf0wrFehZfwFgtiMoTY51d0nfdcTZ2kjwxS3FjNJHee4xJYh7Z037T/MKj13RcA5H5deAa7j2JFG+0bgbCYowLzHJ4htqi2Fu4oV1wi6PZIPK+S8sw5XI /v "C:\Users\Admin\AppData\Local\Temp\ed690751d4f092879c39000f5a7cb2fa0f28573372421621e09629a8c5c8e7dd.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:5088

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\n5694\s5694.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n5694\s5694.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/5088-135-0x00007FFEE6BA0000-0x00007FFEE75D6000-memory.dmp

    Filesize

    10.2MB

  • memory/5088-136-0x0000000000D5A000-0x0000000000D5F000-memory.dmp

    Filesize

    20KB

  • memory/5088-137-0x0000000000D5A000-0x0000000000D5F000-memory.dmp

    Filesize

    20KB