Analysis

  • max time kernel
    50s
  • max time network
    22s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    31-05-2024 13:57

General

  • Target

    проверка.exe

  • Size

    99KB

  • MD5

    db27649bfb89f40ec3ff301541c598f5

  • SHA1

    a16885dd0b352e970c45bad6a691e155f9ccc8f1

  • SHA256

    45814083c150dd3d946718f8728a1cdad2f9e68318e575c479263431ccf04abb

  • SHA512

    3b35ea6511b4e047bd77a9fa525e489542379f5ddf61f49986cc92bfb8411a7d6673a3febf2d540e3dd03c7a73f17673c0c6e5d0d41f81970c18ff9ef3fe32fb

  • SSDEEP

    1536:loZp0RHDlFZDCFb/AZ+bF5n5GGKx6wwOfRJ9PpP/UA/uoDjSBSc7UtYVL:Q4pFZyLAZ+bF55GSOn9Pdb1W0cgteL

Malware Config

Extracted

Family

xworm

C2

19.ip.gl.ply.gg:65468

speed-wheat.gl.at.ply.gg:65468

XWorm V5.2:123

Attributes
  • Install_directory

    %AppData%

  • install_file

    Delta.exe

Signatures

  • Detect Xworm Payload 3 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 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 behavior: EnumeratesProcesses 13 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 20 IoCs
  • Suspicious use of SendNotifyMessage 20 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 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\проверка.exe
    "C:\Users\Admin\AppData\Local\Temp\проверка.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\проверка.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3036
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'проверка.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2884
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Delta.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2708
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Delta.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2520
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Delta" /tr "C:\Users\Admin\AppData\Roaming\Delta.exe"
      2⤵
      • Creates scheduled task(s)
      PID:2212
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {545BBF4D-698C-4C36-9A75-8B064344AA55} S-1-5-21-268080393-3149932598-1824759070-1000:UHRQKJCP\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1440
    • C:\Users\Admin\AppData\Roaming\Delta.exe
      C:\Users\Admin\AppData\Roaming\Delta.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2404
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2192

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Delta.exe

    Filesize

    99KB

    MD5

    db27649bfb89f40ec3ff301541c598f5

    SHA1

    a16885dd0b352e970c45bad6a691e155f9ccc8f1

    SHA256

    45814083c150dd3d946718f8728a1cdad2f9e68318e575c479263431ccf04abb

    SHA512

    3b35ea6511b4e047bd77a9fa525e489542379f5ddf61f49986cc92bfb8411a7d6673a3febf2d540e3dd03c7a73f17673c0c6e5d0d41f81970c18ff9ef3fe32fb

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

    Filesize

    7KB

    MD5

    431214da73f51b8c861e6815ae96c45c

    SHA1

    a9cbba4ca77836cac751dd9414d0f8435fb6372a

    SHA256

    a386fe90d0697fb8dba1fd605f322dd7983b0830923df29d04fe89362fa54e45

    SHA512

    c57970adcd3f0163d15a3d14a1185d0062a2120a5c013013ea29242381c58949540ec23f8e6865c069da444e206b75e8d7f24193a7a4e7b26628f0d9808b0bb2

  • \??\PIPE\srvsvc

    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • memory/1972-36-0x000007FEF5A63000-0x000007FEF5A64000-memory.dmp

    Filesize

    4KB

  • memory/1972-31-0x000000001B4D0000-0x000000001B550000-memory.dmp

    Filesize

    512KB

  • memory/1972-1-0x0000000001160000-0x0000000001180000-memory.dmp

    Filesize

    128KB

  • memory/1972-0-0x000007FEF5A63000-0x000007FEF5A64000-memory.dmp

    Filesize

    4KB

  • memory/1972-37-0x000000001B4D0000-0x000000001B550000-memory.dmp

    Filesize

    512KB

  • memory/2192-38-0x0000000140000000-0x00000001405E8000-memory.dmp

    Filesize

    5.9MB

  • memory/2192-39-0x0000000140000000-0x00000001405E8000-memory.dmp

    Filesize

    5.9MB

  • memory/2404-35-0x00000000013D0000-0x00000000013F0000-memory.dmp

    Filesize

    128KB

  • memory/2884-14-0x000000001B5C0000-0x000000001B8A2000-memory.dmp

    Filesize

    2.9MB

  • memory/2884-15-0x0000000001E90000-0x0000000001E98000-memory.dmp

    Filesize

    32KB

  • memory/3036-8-0x0000000002810000-0x0000000002818000-memory.dmp

    Filesize

    32KB

  • memory/3036-7-0x000000001B580000-0x000000001B862000-memory.dmp

    Filesize

    2.9MB

  • memory/3036-6-0x0000000002830000-0x00000000028B0000-memory.dmp

    Filesize

    512KB