Analysis

  • max time kernel
    144s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/03/2024, 15:56

General

  • Target

    loaderis.exe

  • Size

    216KB

  • MD5

    410693a731584912de3a373bddf7e875

  • SHA1

    74c96cbf71b493939ab0697e07c6aa24567b1c75

  • SHA256

    88a1d81399a3392cbfef84ef0d34be862c11e42c38e4a20a1f17ec1b5b3ef713

  • SHA512

    30cb3a85b8ed1f65d13a6c8ccfae4604e6375af42c6310d624201aa0fecabb77e7becdb4e860c5c053f3841a26eb4f6cff39da49575999afe6fbec2b5518d307

  • SSDEEP

    3072:CNpReiFe92EOM5FxIghku1ILePsjaUTs18T2oceo3ziwWBWLkkkKvhVm4ESk5E:CRe9XpymOeLKsc2jeLwxkkk09ESk5

Malware Config

Extracted

Family

xworm

Version

5.0

C2

does-moment.gl.at.ply.gg:6969

Mutex

e86edwUdYjRHyp3E

Attributes
  • Install_directory

    %Public%

  • install_file

    Runtime Broker.exe

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\loaderis.exe
    "C:\Users\Admin\AppData\Local\Temp\loaderis.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1720
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\loaderis.exe'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2244
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'loaderis.exe'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4372
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Public\Runtime Broker.exe'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1384
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Runtime Broker.exe'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2676

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

          Filesize

          2KB

          MD5

          d85ba6ff808d9e5444a4b369f5bc2730

          SHA1

          31aa9d96590fff6981b315e0b391b575e4c0804a

          SHA256

          84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

          SHA512

          8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          944B

          MD5

          62623d22bd9e037191765d5083ce16a3

          SHA1

          4a07da6872672f715a4780513d95ed8ddeefd259

          SHA256

          95d79fd575bbd21540e378fcbc1cd00d16f51af62ce15bae7080bb72c24e2010

          SHA512

          9a448b7a0d867466c2ea04ab84d2a9485d5fd20ab53b2b854f491831ee3f1d781b94d2635f7b0b35cb9f2d373cd52c67570879a56a42ed66bc9db06962ed4992

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          944B

          MD5

          0de7973d81e8726da4f2de4dd399dbad

          SHA1

          de59047d06801a64300c7cef0ec5caa29979a3cd

          SHA256

          34afedd1d1e38b0ffe8a6beb95a6b78ce092c9b77ad3fc80b00e5497a18c3c22

          SHA512

          93180ab88201598a31bbb12d344a9f87cfab82edc377d8bef54f2d72b6194936f35a71cbac33145360aaf34951efa7a8e3fb9b4d33af6c7c68d63ab25e08fe69

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          944B

          MD5

          10890cda4b6eab618e926c4118ab0647

          SHA1

          1e1d63b73a0e6c7575f458b3c7917a9ce5ba776d

          SHA256

          00f8a035324d39bd62e6dee5e1b480069015471c487ebee4479e6990ea9ddb14

          SHA512

          a2ee84006c24a36f25e0bca0772430d64e3791f233da916aecdeae6712763e77d55bbbd00dc8f6b2b3887f3c26ab3980b96c5f46cc823e81e28abbbc5fc78221

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_y1yvmdj0.3ct.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/1384-47-0x00007FF9ACD70000-0x00007FF9AD831000-memory.dmp

          Filesize

          10.8MB

        • memory/1384-35-0x000001A5EF2E0000-0x000001A5EF2F0000-memory.dmp

          Filesize

          64KB

        • memory/1384-34-0x000001A5EF2E0000-0x000001A5EF2F0000-memory.dmp

          Filesize

          64KB

        • memory/1384-33-0x00007FF9ACD70000-0x00007FF9AD831000-memory.dmp

          Filesize

          10.8MB

        • memory/1720-69-0x0000000002D10000-0x0000000002D20000-memory.dmp

          Filesize

          64KB

        • memory/1720-67-0x0000000002D10000-0x0000000002D20000-memory.dmp

          Filesize

          64KB

        • memory/1720-68-0x00007FF9ACD70000-0x00007FF9AD831000-memory.dmp

          Filesize

          10.8MB

        • memory/1720-0-0x0000000000A70000-0x0000000000AAC000-memory.dmp

          Filesize

          240KB

        • memory/1720-1-0x00007FF9ACD70000-0x00007FF9AD831000-memory.dmp

          Filesize

          10.8MB

        • memory/2244-16-0x00007FF9ACD70000-0x00007FF9AD831000-memory.dmp

          Filesize

          10.8MB

        • memory/2244-9-0x00000231E4450000-0x00000231E4460000-memory.dmp

          Filesize

          64KB

        • memory/2244-3-0x00007FF9ACD70000-0x00007FF9AD831000-memory.dmp

          Filesize

          10.8MB

        • memory/2244-2-0x00000231E4410000-0x00000231E4432000-memory.dmp

          Filesize

          136KB

        • memory/2676-48-0x00007FF9ACD70000-0x00007FF9AD831000-memory.dmp

          Filesize

          10.8MB

        • memory/2676-49-0x000002AF91AA0000-0x000002AF91AB0000-memory.dmp

          Filesize

          64KB

        • memory/2676-55-0x000002AF91AA0000-0x000002AF91AB0000-memory.dmp

          Filesize

          64KB

        • memory/2676-62-0x00007FF9ACD70000-0x00007FF9AD831000-memory.dmp

          Filesize

          10.8MB

        • memory/4372-32-0x00007FF9ACD70000-0x00007FF9AD831000-memory.dmp

          Filesize

          10.8MB

        • memory/4372-19-0x0000018D786B0000-0x0000018D786C0000-memory.dmp

          Filesize

          64KB

        • memory/4372-20-0x0000018D786B0000-0x0000018D786C0000-memory.dmp

          Filesize

          64KB

        • memory/4372-18-0x00007FF9ACD70000-0x00007FF9AD831000-memory.dmp

          Filesize

          10.8MB