Analysis

  • max time kernel
    163s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    13-11-2024 20:09

General

  • Target

    $PLUGINSDIR/app-64.7z

  • Size

    82.3MB

  • MD5

    cb1ba9cbec946e070330bf6b7ea9fcec

  • SHA1

    7440ce7c460cc6e8bc485be748064cde35f0d178

  • SHA256

    f3712d37b10e45146d0f2e60d7694e1e81339bff472dace653fc1d0b00089783

  • SHA512

    0d31b8d2fe90ff4636a7eda96eac1809a1c88039781cb32c8d6d5b49e93f631287876f68694e238de07dfb23177526c75e369d3d4171ab24e96cfd28506556ae

  • SSDEEP

    1572864:NJ39Kk9MaLcLAeydx32B8ceyIS7nqYdd6hIExeIg6q7BMn:Mk9MaLC//vP7nMxeIg6WMn

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Program Files\7-Zip\7zFM.exe
    "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\app-64.7z"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Users\Admin\AppData\Local\Temp\7zO419676E8\ReturnThief.exe
      "C:\Users\Admin\AppData\Local\Temp\7zO419676E8\ReturnThief.exe"
      2⤵
      • Executes dropped EXE
      PID:2980
    • C:\Users\Admin\AppData\Local\Temp\7zO419E2029\ReturnThief.exe
      "C:\Users\Admin\AppData\Local\Temp\7zO419E2029\ReturnThief.exe"
      2⤵
      • Executes dropped EXE
      PID:2648
  • C:\Users\Admin\Desktop\ReturnThief.exe
    "C:\Users\Admin\Desktop\ReturnThief.exe"
    1⤵
    • Executes dropped EXE
    PID:2948

Network

MITRE ATT&CK Matrix

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Downloads