Analysis

  • max time kernel
    1794s
  • max time network
    1797s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    02-05-2024 02:22

General

  • Target

    a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe

  • Size

    63KB

  • MD5

    222c2d239f4c8a1d73c736c9cc712807

  • SHA1

    c3aa61bd6f8cc640bcfa74c40d9283c9c08c7b3c

  • SHA256

    ff43049677c57277f12a1d97f02af3029d7b75b5ad40303a28f1b0452997969d

  • SHA512

    1f2fea85e45e93916306c234b916d6b4b200dac9656e44f4555f825dd8677cb5e927bd5e7a74bf2fb2f6972a3e6e2d294a6104add162ba3d53a0e6cfedef6a02

  • SSDEEP

    1536:tJc/5q1qoR5PDdAZcIED4VuCkbFybjQ9f0jQRmONww+W:7c/iqoJekbFEQ9W+mONP+W

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:23638

209.25.140.1:5525:23638

bring-recorder.gl.at.ply.gg:23638

action-yesterday.gl.at.ply.gg:23638

147.185.221.19:23638

then-wheel.gl.at.ply.gg::23638

then-wheel.gl.at.ply.gg:23638

teen-modes.gl.at.ply.gg:23638

Attributes
  • Install_directory

    %LocalAppData%

  • install_file

    uwumonster.exe

Signatures

  • Detect Xworm Payload 22 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 30 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\a ton of ya\ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
    "C:\Users\Admin\AppData\Local\Temp\a ton of ya\ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2140
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "uwumonster" /tr "C:\Users\Admin\AppData\Local\uwumonster.exe"
      2⤵
      • Creates scheduled task(s)
      PID:1268
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {44F3B7E3-03E0-491D-8694-7CE17355A931} S-1-5-21-330940541-141609230-1670313778-1000:KXIPPCKF\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2872
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:364
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1944
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1132
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2072
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2748
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3056
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1840
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2176
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2480
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2212
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1316
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1460
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2964
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1676
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1808
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1364
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1200
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1700
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2972
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1576
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:880
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2308
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1596
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2096
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2436
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2704
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2828
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1748
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2432
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2200

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\uwumonster.exe

    Filesize

    63KB

    MD5

    222c2d239f4c8a1d73c736c9cc712807

    SHA1

    c3aa61bd6f8cc640bcfa74c40d9283c9c08c7b3c

    SHA256

    ff43049677c57277f12a1d97f02af3029d7b75b5ad40303a28f1b0452997969d

    SHA512

    1f2fea85e45e93916306c234b916d6b4b200dac9656e44f4555f825dd8677cb5e927bd5e7a74bf2fb2f6972a3e6e2d294a6104add162ba3d53a0e6cfedef6a02

  • memory/364-10-0x0000000000990000-0x00000000009A6000-memory.dmp

    Filesize

    88KB

  • memory/880-47-0x0000000000190000-0x00000000001A6000-memory.dmp

    Filesize

    88KB

  • memory/1132-17-0x0000000000C80000-0x0000000000C96000-memory.dmp

    Filesize

    88KB

  • memory/1460-32-0x00000000002D0000-0x00000000002E6000-memory.dmp

    Filesize

    88KB

  • memory/1576-45-0x00000000012E0000-0x00000000012F6000-memory.dmp

    Filesize

    88KB

  • memory/1596-51-0x0000000000FA0000-0x0000000000FB6000-memory.dmp

    Filesize

    88KB

  • memory/1676-36-0x00000000000A0000-0x00000000000B6000-memory.dmp

    Filesize

    88KB

  • memory/1700-41-0x00000000010D0000-0x00000000010E6000-memory.dmp

    Filesize

    88KB

  • memory/1840-25-0x0000000001080000-0x0000000001096000-memory.dmp

    Filesize

    88KB

  • memory/1944-15-0x0000000000BC0000-0x0000000000BD6000-memory.dmp

    Filesize

    88KB

  • memory/2072-19-0x0000000000D60000-0x0000000000D76000-memory.dmp

    Filesize

    88KB

  • memory/2096-53-0x00000000000C0000-0x00000000000D6000-memory.dmp

    Filesize

    88KB

  • memory/2140-12-0x000007FEF5350000-0x000007FEF5D3C000-memory.dmp

    Filesize

    9.9MB

  • memory/2140-0-0x000007FEF5353000-0x000007FEF5354000-memory.dmp

    Filesize

    4KB

  • memory/2140-11-0x000007FEF5353000-0x000007FEF5354000-memory.dmp

    Filesize

    4KB

  • memory/2140-6-0x000007FEF5350000-0x000007FEF5D3C000-memory.dmp

    Filesize

    9.9MB

  • memory/2140-1-0x0000000001200000-0x0000000001216000-memory.dmp

    Filesize

    88KB

  • memory/2212-29-0x0000000001140000-0x0000000001156000-memory.dmp

    Filesize

    88KB

  • memory/2308-49-0x0000000000BB0000-0x0000000000BC6000-memory.dmp

    Filesize

    88KB

  • memory/2436-55-0x0000000001010000-0x0000000001026000-memory.dmp

    Filesize

    88KB

  • memory/2704-57-0x0000000001390000-0x00000000013A6000-memory.dmp

    Filesize

    88KB

  • memory/2748-21-0x0000000000120000-0x0000000000136000-memory.dmp

    Filesize

    88KB

  • memory/2964-34-0x0000000000F10000-0x0000000000F26000-memory.dmp

    Filesize

    88KB

  • memory/2972-43-0x0000000000160000-0x0000000000176000-memory.dmp

    Filesize

    88KB

  • memory/3056-23-0x0000000000C40000-0x0000000000C56000-memory.dmp

    Filesize

    88KB