Analysis

  • max time kernel
    1788s
  • max time network
    1798s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-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 19 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 29 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 31 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:1632
    • 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:2604
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {63A7F038-DD85-4376-82EC-C8DD7D23C38C} S-1-5-21-481678230-3773327859-3495911762-1000:UIBNQNMA\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1848
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2716
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1352
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:576
    • 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:1568
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2684
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2876
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2888
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1392
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:952
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2444
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2004
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2188
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1668
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2672
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:920
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2572
    • 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:760
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1336
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2472
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2304
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1264
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:988
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2724
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2660
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2568
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2292
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2396

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/576-15-0x0000000000300000-0x0000000000316000-memory.dmp

    Filesize

    88KB

  • memory/920-37-0x0000000000A10000-0x0000000000A26000-memory.dmp

    Filesize

    88KB

  • memory/952-27-0x0000000000AB0000-0x0000000000AC6000-memory.dmp

    Filesize

    88KB

  • memory/988-48-0x0000000001070000-0x0000000001086000-memory.dmp

    Filesize

    88KB

  • memory/1264-46-0x00000000000F0000-0x0000000000106000-memory.dmp

    Filesize

    88KB

  • memory/1352-13-0x0000000001150000-0x0000000001166000-memory.dmp

    Filesize

    88KB

  • memory/1392-25-0x00000000003D0000-0x00000000003E6000-memory.dmp

    Filesize

    88KB

  • memory/1536-17-0x0000000000E80000-0x0000000000E96000-memory.dmp

    Filesize

    88KB

  • memory/1632-0-0x000007FEF51B3000-0x000007FEF51B4000-memory.dmp

    Filesize

    4KB

  • memory/1632-6-0x000007FEF51B0000-0x000007FEF5B9C000-memory.dmp

    Filesize

    9.9MB

  • memory/1632-5-0x000007FEF51B0000-0x000007FEF5B9C000-memory.dmp

    Filesize

    9.9MB

  • memory/1632-1-0x0000000000D10000-0x0000000000D26000-memory.dmp

    Filesize

    88KB

  • memory/1668-33-0x00000000013A0000-0x00000000013B6000-memory.dmp

    Filesize

    88KB

  • memory/2444-29-0x0000000001280000-0x0000000001296000-memory.dmp

    Filesize

    88KB

  • memory/2568-53-0x0000000000A50000-0x0000000000A66000-memory.dmp

    Filesize

    88KB

  • memory/2572-39-0x0000000000F80000-0x0000000000F96000-memory.dmp

    Filesize

    88KB

  • memory/2660-51-0x00000000002C0000-0x00000000002D6000-memory.dmp

    Filesize

    88KB

  • memory/2672-35-0x00000000001C0000-0x00000000001D6000-memory.dmp

    Filesize

    88KB

  • memory/2684-20-0x0000000000E90000-0x0000000000EA6000-memory.dmp

    Filesize

    88KB

  • memory/2716-11-0x0000000000900000-0x0000000000916000-memory.dmp

    Filesize

    88KB

  • memory/2888-23-0x0000000000350000-0x0000000000366000-memory.dmp

    Filesize

    88KB