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Analysis

  • max time kernel
    128s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    17/01/2022, 04:18

General

  • Target

    SearchIndexer.exe

  • Size

    91KB

  • MD5

    1cc07a0274718e845c9b77f8334c4cb3

  • SHA1

    12b6c08371fd4661ed2da442e7ec34f226d7ac01

  • SHA256

    b8fda370e83bf776a2f4c4a23f5d701186e21984f771e878f04fe0136faf1fbf

  • SHA512

    0bb60c3a608a6227cfe66f264b2fcdc932e9c9f8f72ff8f8569f23400b6563b8cd834deae1fe4f3866dbef003bbc25372481d6ca8edfcd2467c16a35aa4dfb9d

Malware Config

Extracted

Family

diamondfox

C2

http://timesync.live/panel/gate.php

http://cartierxs.bit/panel/gate.php

http://salamsa.bit/panel/gate.php

http://rockababy.bit/panel/gate.php

http://minon.bit/panel/gate.php

http://bloxfox.bit/panel/gate.php

http://ggbbee.bit/panel/gate.php

http://locksock.bit/panel/gate.php

http://misosoup.bit/panel/gate.php

http://opseckes.bit/panel/gate.php

http://googletabmanager.com/panel/gate.php

Mutex

cyjJzYyDay1EfrkaW4HRyO6y4OufUKaS

xor.plain

Signatures

  • DiamondFox

    DiamondFox is a multipurpose botnet with many capabilities.

  • DiamondFox payload 3 IoCs

    Detects DiamondFox payload in file/memory.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SearchIndexer.exe
    "C:\Users\Admin\AppData\Local\Temp\SearchIndexer.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:960
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell Copy-Item -Path 'C:\Users\Admin\AppData\Local\Temp\SearchIndexer.exe' -Destination 'C:\Users\Admin\AppData\Local\xerasr\SearchIndexer.exe';Start-Sleep -s 60;Start-Process 'C:\Users\Admin\AppData\Local\xerasr\SearchIndexer.exe'
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:592
      • C:\Users\Admin\AppData\Local\xerasr\SearchIndexer.exe
        "C:\Users\Admin\AppData\Local\xerasr\SearchIndexer.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:760

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/592-57-0x00000000751B1000-0x00000000751B3000-memory.dmp

    Filesize

    8KB

  • memory/592-58-0x00000000024C0000-0x000000000310A000-memory.dmp

    Filesize

    12.3MB

  • memory/760-63-0x0000000000220000-0x0000000000226000-memory.dmp

    Filesize

    24KB

  • memory/760-64-0x0000000000220000-0x000000000022A000-memory.dmp

    Filesize

    40KB

  • memory/960-54-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/960-55-0x0000000000300000-0x000000000030A000-memory.dmp

    Filesize

    40KB