Analysis

  • max time kernel
    1766s
  • max time network
    1559s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    30-05-2024 20:08

General

  • Target

    XClient.exe

  • Size

    59KB

  • MD5

    d172c0a4ae3e8cef6a0a910bde62e195

  • SHA1

    51139fc633fe81a66c8ed55081f92ec5256bd0bd

  • SHA256

    94b65da2b5cc3728547f892a46e9c48c5d54477d10ea8e210304593acd3568e7

  • SHA512

    d82c930a42fd623aeee51007453d201e96110b546f1fb34080fc6d4c1488d71b3828f5f1833d347993444e4d332aa00fbb7b8922fce676d220375470ad0fa467

  • SSDEEP

    1536:9vv68xQQodoW8YTK6uDkbrfSVxwXSOqQ+k:1vjWQoGJYTK6CkbrfHSOqQ+k

Malware Config

Extracted

Family

xworm

C2

length-desert.gl.at.ply.gg:58023

%AppData%:9

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

Signatures

  • Detect Xworm Payload 14 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\XClient.exe
    "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "9" /tr "C:\Users\Admin\AppData\Roaming\9"
      2⤵
      • Creates scheduled task(s)
      PID:2336
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {A7DD7787-1C2A-4869-8BEA-77510E9072F1} S-1-5-21-2721934792-624042501-2768869379-1000:BISMIZHX\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:852
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2816
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2584
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2040
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1520
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2236
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2204
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1592
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1996
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2200
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1484
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:940
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2356
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2448
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1948
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1536
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:540
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:960
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2156
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2656
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2928
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2604
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1736
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:856
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3028
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2748
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2396
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3052
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1640
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2608
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2684

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\9

    Filesize

    59KB

    MD5

    d172c0a4ae3e8cef6a0a910bde62e195

    SHA1

    51139fc633fe81a66c8ed55081f92ec5256bd0bd

    SHA256

    94b65da2b5cc3728547f892a46e9c48c5d54477d10ea8e210304593acd3568e7

    SHA512

    d82c930a42fd623aeee51007453d201e96110b546f1fb34080fc6d4c1488d71b3828f5f1833d347993444e4d332aa00fbb7b8922fce676d220375470ad0fa467

  • memory/856-44-0x0000000001140000-0x0000000001156000-memory.dmp

    Filesize

    88KB

  • memory/1520-17-0x00000000011F0000-0x0000000001206000-memory.dmp

    Filesize

    88KB

  • memory/1592-23-0x00000000000D0000-0x00000000000E6000-memory.dmp

    Filesize

    88KB

  • memory/1736-42-0x00000000001F0000-0x0000000000206000-memory.dmp

    Filesize

    88KB

  • memory/1996-25-0x0000000000FF0000-0x0000000001006000-memory.dmp

    Filesize

    88KB

  • memory/2036-11-0x000007FEF5FA0000-0x000007FEF698C000-memory.dmp

    Filesize

    9.9MB

  • memory/2036-0-0x000007FEF5FA3000-0x000007FEF5FA4000-memory.dmp

    Filesize

    4KB

  • memory/2036-6-0x000007FEF5FA3000-0x000007FEF5FA4000-memory.dmp

    Filesize

    4KB

  • memory/2036-5-0x000007FEF5FA0000-0x000007FEF698C000-memory.dmp

    Filesize

    9.9MB

  • memory/2036-1-0x0000000000210000-0x0000000000226000-memory.dmp

    Filesize

    88KB

  • memory/2204-21-0x00000000013C0000-0x00000000013D6000-memory.dmp

    Filesize

    88KB

  • memory/2236-19-0x00000000012A0000-0x00000000012B6000-memory.dmp

    Filesize

    88KB

  • memory/2584-14-0x0000000001110000-0x0000000001126000-memory.dmp

    Filesize

    88KB

  • memory/2656-37-0x0000000000140000-0x0000000000156000-memory.dmp

    Filesize

    88KB

  • memory/2816-10-0x0000000000890000-0x00000000008A6000-memory.dmp

    Filesize

    88KB

  • memory/2928-39-0x0000000001180000-0x0000000001196000-memory.dmp

    Filesize

    88KB

  • memory/3028-46-0x0000000000380000-0x0000000000396000-memory.dmp

    Filesize

    88KB