Analysis

  • max time kernel
    1775s
  • max time network
    1785s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    02/05/2024, 02:08

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 24 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:1656
    • 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:1924
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {3B6883A8-18C4-45F1-B481-EDE00F100C2E} S-1-5-21-2248906074-2862704502-246302768-1000:GHPZRGFC\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2620
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1580
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2804
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1736
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1544
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2696
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:624
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1484
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1848
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2116
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1932
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2832
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2776
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1708
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2216
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1072
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:904
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2148
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2396
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2544
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1152
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1408
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2860
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2916
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2112
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2788
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2124
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2864
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2668
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1740

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/624-25-0x0000000000F80000-0x0000000000F96000-memory.dmp

    Filesize

    88KB

  • memory/1152-50-0x0000000001240000-0x0000000001256000-memory.dmp

    Filesize

    88KB

  • memory/1484-27-0x0000000000310000-0x0000000000326000-memory.dmp

    Filesize

    88KB

  • memory/1544-21-0x0000000000B10000-0x0000000000B26000-memory.dmp

    Filesize

    88KB

  • memory/1580-15-0x00000000012D0000-0x00000000012E6000-memory.dmp

    Filesize

    88KB

  • memory/1656-12-0x000007FEF5B10000-0x000007FEF64FC000-memory.dmp

    Filesize

    9.9MB

  • memory/1656-0-0x000007FEF5B13000-0x000007FEF5B14000-memory.dmp

    Filesize

    4KB

  • memory/1656-11-0x000007FEF5B13000-0x000007FEF5B14000-memory.dmp

    Filesize

    4KB

  • memory/1656-6-0x000007FEF5B10000-0x000007FEF64FC000-memory.dmp

    Filesize

    9.9MB

  • memory/1656-1-0x0000000000A50000-0x0000000000A66000-memory.dmp

    Filesize

    88KB

  • memory/1708-38-0x0000000000170000-0x0000000000186000-memory.dmp

    Filesize

    88KB

  • memory/1736-19-0x0000000000200000-0x0000000000216000-memory.dmp

    Filesize

    88KB

  • memory/1740-63-0x0000000000040000-0x0000000000056000-memory.dmp

    Filesize

    88KB

  • memory/1848-29-0x0000000000830000-0x0000000000846000-memory.dmp

    Filesize

    88KB

  • memory/2112-57-0x0000000001190000-0x00000000011A6000-memory.dmp

    Filesize

    88KB

  • memory/2116-31-0x00000000009A0000-0x00000000009B6000-memory.dmp

    Filesize

    88KB

  • memory/2148-44-0x0000000000030000-0x0000000000046000-memory.dmp

    Filesize

    88KB

  • memory/2216-40-0x00000000011C0000-0x00000000011D6000-memory.dmp

    Filesize

    88KB

  • memory/2396-46-0x0000000000100000-0x0000000000116000-memory.dmp

    Filesize

    88KB

  • memory/2544-48-0x0000000000B70000-0x0000000000B86000-memory.dmp

    Filesize

    88KB

  • memory/2620-10-0x00000000009D0000-0x00000000009E6000-memory.dmp

    Filesize

    88KB

  • memory/2696-23-0x0000000000C40000-0x0000000000C56000-memory.dmp

    Filesize

    88KB

  • memory/2776-36-0x0000000000050000-0x0000000000066000-memory.dmp

    Filesize

    88KB

  • memory/2804-17-0x0000000000180000-0x0000000000196000-memory.dmp

    Filesize

    88KB

  • memory/2832-34-0x0000000000D80000-0x0000000000D96000-memory.dmp

    Filesize

    88KB

  • memory/2860-53-0x0000000000120000-0x0000000000136000-memory.dmp

    Filesize

    88KB

  • memory/2916-55-0x0000000000EF0000-0x0000000000F06000-memory.dmp

    Filesize

    88KB