Analysis

  • max time kernel
    115s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/02/2024, 18:00

General

  • Target
    a6fbe88c20de336bbe9f6b10ca1848c6.exe
  • Size 680KB
  • Sample240226-wlfgbscc84
  • SHA256 795efd2a6786010125a93813cd8e7ceda56e29c480cf362922d3527d94b023c3
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xtremerat

C2
  • abdallam.no-ip.biz

Signatures

  • Detect XtremeRAT payload 5 IoCs
  • XtremeRAT

    The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.

  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a6fbe88c20de336bbe9f6b10ca1848c6.exe
    "C:\Users\Admin\AppData\Local\Temp\a6fbe88c20de336bbe9f6b10ca1848c6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3756
    • C:\Users\Admin\AppData\Local\Temp\a6fbe88c20de336bbe9f6b10ca1848c6.exe
      "C:\Users\Admin\AppData\Local\Temp\a6fbe88c20de336bbe9f6b10ca1848c6.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1936
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
          PID:2028
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2028 -s 480
            4⤵
            • Program crash
            PID:2916
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2028 -s 500
            4⤵
            • Program crash
            PID:5012
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
          3⤵
            PID:456
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2028 -ip 2028
        1⤵
          PID:644
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2028 -ip 2028
          1⤵
            PID:2904
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3024 --field-trial-handle=2276,i,1205556100727695622,5044463180471657307,262144 --variations-seed-version /prefetch:8
            1⤵
              PID:4244

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

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                  Downloads

                  memory/1936-2-0x0000000010000000-0x000000001004A000-memory.dmp

                  memory/1936-4-0x0000000010000000-0x000000001004A000-memory.dmp

                  memory/1936-5-0x0000000010000000-0x000000001004A000-memory.dmp

                  memory/1936-6-0x0000000010000000-0x000000001004A000-memory.dmp

                  memory/1936-8-0x0000000010000000-0x000000001004A000-memory.dmp

                  memory/2028-7-0x0000000010000000-0x000000001004A000-memory.dmp

                  memory/2028-9-0x0000000010000000-0x000000001004A000-memory.dmp