Analysis

  • max time kernel
    1793s
  • max time network
    1785s
  • 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 23 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:1664
    • 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:2532
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {B315C715-C086-4699-B719-8A0090F66BDA} S-1-5-21-330940541-141609230-1670313778-1000:KXIPPCKF\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2524
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1824
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1548
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1800
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2792
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1624
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2740
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2616
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3024
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3008
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2260
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1000
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2484
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2356
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:856
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2604
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:928
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2132
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2528
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2584
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:824
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2252
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2256
    • 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:1644
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1552
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1868
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2088
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2028
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3008

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/824-46-0x0000000000FD0000-0x0000000000FE6000-memory.dmp

    Filesize

    88KB

  • memory/856-35-0x00000000003E0000-0x00000000003F6000-memory.dmp

    Filesize

    88KB

  • memory/1548-16-0x0000000000250000-0x0000000000266000-memory.dmp

    Filesize

    88KB

  • memory/1576-52-0x00000000000B0000-0x00000000000C6000-memory.dmp

    Filesize

    88KB

  • memory/1624-21-0x0000000000350000-0x0000000000366000-memory.dmp

    Filesize

    88KB

  • memory/1644-54-0x0000000000A40000-0x0000000000A56000-memory.dmp

    Filesize

    88KB

  • memory/1664-11-0x000007FEF5C53000-0x000007FEF5C54000-memory.dmp

    Filesize

    4KB

  • memory/1664-1-0x00000000012C0000-0x00000000012D6000-memory.dmp

    Filesize

    88KB

  • memory/1664-12-0x000007FEF5C50000-0x000007FEF663C000-memory.dmp

    Filesize

    9.9MB

  • memory/1664-6-0x000007FEF5C50000-0x000007FEF663C000-memory.dmp

    Filesize

    9.9MB

  • memory/1664-0-0x000007FEF5C53000-0x000007FEF5C54000-memory.dmp

    Filesize

    4KB

  • memory/1800-18-0x00000000009C0000-0x00000000009D6000-memory.dmp

    Filesize

    88KB

  • memory/2028-60-0x0000000000CA0000-0x0000000000CB6000-memory.dmp

    Filesize

    88KB

  • memory/2088-58-0x0000000000040000-0x0000000000056000-memory.dmp

    Filesize

    88KB

  • memory/2132-40-0x00000000002F0000-0x0000000000306000-memory.dmp

    Filesize

    88KB

  • memory/2252-48-0x0000000000220000-0x0000000000236000-memory.dmp

    Filesize

    88KB

  • memory/2256-50-0x00000000002E0000-0x00000000002F6000-memory.dmp

    Filesize

    88KB

  • memory/2260-30-0x0000000001310000-0x0000000001326000-memory.dmp

    Filesize

    88KB

  • memory/2524-10-0x00000000013E0000-0x00000000013F6000-memory.dmp

    Filesize

    88KB

  • memory/2528-42-0x00000000012A0000-0x00000000012B6000-memory.dmp

    Filesize

    88KB

  • memory/2584-44-0x0000000000080000-0x0000000000096000-memory.dmp

    Filesize

    88KB

  • memory/2604-37-0x0000000001390000-0x00000000013A6000-memory.dmp

    Filesize

    88KB

  • memory/2616-25-0x0000000000160000-0x0000000000176000-memory.dmp

    Filesize

    88KB

  • memory/2740-23-0x0000000000820000-0x0000000000836000-memory.dmp

    Filesize

    88KB

  • memory/3008-62-0x00000000001A0000-0x00000000001B6000-memory.dmp

    Filesize

    88KB

  • memory/3024-27-0x0000000000B40000-0x0000000000B56000-memory.dmp

    Filesize

    88KB