Analysis

  • max time kernel
    1798s
  • max time network
    1799s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-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 21 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:856
    • 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:2004
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {E58EDE64-A546-43C6-8D97-2F30CB5F47B9} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2584
    • 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:2288
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3060
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1768
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:784
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1068
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1724
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2880
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2832
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3060
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2652
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:784
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2076
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2240
    • 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:644
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1884
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2968
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2252
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2436
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3060
    • 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:2236
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1044
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:188
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2488
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2624
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2216
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2240
    • C:\Users\Admin\AppData\Roaming\9
      C:\Users\Admin\AppData\Roaming\9
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2900

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/188-54-0x0000000001340000-0x0000000001356000-memory.dmp

    Filesize

    88KB

  • memory/644-39-0x0000000000EA0000-0x0000000000EB6000-memory.dmp

    Filesize

    88KB

  • memory/784-19-0x00000000000D0000-0x00000000000E6000-memory.dmp

    Filesize

    88KB

  • memory/784-33-0x0000000001180000-0x0000000001196000-memory.dmp

    Filesize

    88KB

  • memory/856-11-0x000007FEF5A10000-0x000007FEF63FC000-memory.dmp

    Filesize

    9.9MB

  • memory/856-0-0x000007FEF5A13000-0x000007FEF5A14000-memory.dmp

    Filesize

    4KB

  • memory/856-1-0x0000000001090000-0x00000000010A6000-memory.dmp

    Filesize

    88KB

  • memory/856-5-0x000007FEF5A10000-0x000007FEF63FC000-memory.dmp

    Filesize

    9.9MB

  • memory/856-10-0x000007FEF5A13000-0x000007FEF5A14000-memory.dmp

    Filesize

    4KB

  • memory/1068-21-0x00000000002F0000-0x0000000000306000-memory.dmp

    Filesize

    88KB

  • memory/1724-23-0x0000000000120000-0x0000000000136000-memory.dmp

    Filesize

    88KB

  • memory/1768-17-0x00000000010C0000-0x00000000010D6000-memory.dmp

    Filesize

    88KB

  • memory/1884-41-0x00000000003D0000-0x00000000003E6000-memory.dmp

    Filesize

    88KB

  • memory/2236-51-0x00000000012F0000-0x0000000001306000-memory.dmp

    Filesize

    88KB

  • memory/2252-45-0x0000000000020000-0x0000000000036000-memory.dmp

    Filesize

    88KB

  • memory/2436-47-0x0000000001250000-0x0000000001266000-memory.dmp

    Filesize

    88KB

  • memory/2652-31-0x00000000002E0000-0x00000000002F6000-memory.dmp

    Filesize

    88KB

  • memory/2684-9-0x0000000000800000-0x0000000000816000-memory.dmp

    Filesize

    88KB

  • memory/2832-27-0x00000000011A0000-0x00000000011B6000-memory.dmp

    Filesize

    88KB

  • memory/2880-25-0x0000000000A60000-0x0000000000A76000-memory.dmp

    Filesize

    88KB

  • memory/2888-37-0x0000000000310000-0x0000000000326000-memory.dmp

    Filesize

    88KB

  • memory/2968-43-0x0000000000FC0000-0x0000000000FD6000-memory.dmp

    Filesize

    88KB

  • memory/3060-29-0x00000000000F0000-0x0000000000106000-memory.dmp

    Filesize

    88KB

  • memory/3060-15-0x00000000001E0000-0x00000000001F6000-memory.dmp

    Filesize

    88KB