Analysis

  • max time kernel
    148s
  • max time network
    76s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 12:05

General

  • Target

    888cef07ce0e3d3b5f9d0862e5ff1286049028204046ade72f16fce735a44105.exe

  • Size

    69KB

  • MD5

    f074556b4be98813ee28a8bacf6bc8b4

  • SHA1

    2b4ab011bb9e7490a3cb74892d47e8fe8e033566

  • SHA256

    888cef07ce0e3d3b5f9d0862e5ff1286049028204046ade72f16fce735a44105

  • SHA512

    6dd7a66bcf8cd34440be3ebb1d93650af13b358759865e7dbb02aa8cd3760be16f8aadbe4e8fda8a4497c0e38bd2e459c1e8211031a5f8c78449659d7bb47015

  • SSDEEP

    1536:fvzDxcAxg2oucEYl0a7y9jjO8ueosFIzh:fJcAxg2ohlR7wjipPzh

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\888cef07ce0e3d3b5f9d0862e5ff1286049028204046ade72f16fce735a44105.exe
    "C:\Users\Admin\AppData\Local\Temp\888cef07ce0e3d3b5f9d0862e5ff1286049028204046ade72f16fce735a44105.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:908
    • C:\Windows\system32\cmd.exe
      "cmd" /c ping -n 3 127.0.0.1 > nul & del "C:\Users\Admin\AppData\Local\Temp\888cef07ce0e3d3b5f9d0862e5ff1286049028204046ade72f16fce735a44105.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2004
      • C:\Windows\system32\PING.EXE
        ping -n 3 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1752
    • C:\Users\Admin\AppData\Roaming\Java\java.exe
      "C:\Users\Admin\AppData\Roaming\Java\java.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1984

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Java\java.exe
    Filesize

    69KB

    MD5

    f074556b4be98813ee28a8bacf6bc8b4

    SHA1

    2b4ab011bb9e7490a3cb74892d47e8fe8e033566

    SHA256

    888cef07ce0e3d3b5f9d0862e5ff1286049028204046ade72f16fce735a44105

    SHA512

    6dd7a66bcf8cd34440be3ebb1d93650af13b358759865e7dbb02aa8cd3760be16f8aadbe4e8fda8a4497c0e38bd2e459c1e8211031a5f8c78449659d7bb47015

  • C:\Users\Admin\AppData\Roaming\Java\java.exe
    Filesize

    69KB

    MD5

    f074556b4be98813ee28a8bacf6bc8b4

    SHA1

    2b4ab011bb9e7490a3cb74892d47e8fe8e033566

    SHA256

    888cef07ce0e3d3b5f9d0862e5ff1286049028204046ade72f16fce735a44105

    SHA512

    6dd7a66bcf8cd34440be3ebb1d93650af13b358759865e7dbb02aa8cd3760be16f8aadbe4e8fda8a4497c0e38bd2e459c1e8211031a5f8c78449659d7bb47015

  • memory/908-62-0x0000000000A86000-0x0000000000AA5000-memory.dmp
    Filesize

    124KB

  • memory/908-55-0x0000000000A86000-0x0000000000AA5000-memory.dmp
    Filesize

    124KB

  • memory/908-56-0x000007FEF2A30000-0x000007FEF3AC6000-memory.dmp
    Filesize

    16.6MB

  • memory/908-58-0x000007FEFB6B1000-0x000007FEFB6B3000-memory.dmp
    Filesize

    8KB

  • memory/908-54-0x000007FEF3D10000-0x000007FEF4733000-memory.dmp
    Filesize

    10.1MB

  • memory/1752-59-0x0000000000000000-mapping.dmp
  • memory/1984-60-0x0000000000000000-mapping.dmp
  • memory/1984-64-0x000007FEF3D10000-0x000007FEF4733000-memory.dmp
    Filesize

    10.1MB

  • memory/1984-65-0x000007FEF2A30000-0x000007FEF3AC6000-memory.dmp
    Filesize

    16.6MB

  • memory/1984-66-0x0000000002217000-0x0000000002236000-memory.dmp
    Filesize

    124KB

  • memory/1984-67-0x0000000002217000-0x0000000002236000-memory.dmp
    Filesize

    124KB

  • memory/2004-57-0x0000000000000000-mapping.dmp