Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    31-05-2024 11:03

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 4 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 2 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 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 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:2956
    • 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:2904
    • 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:2564
    • 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:2608
    • 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:2600
    • 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:2784
  • 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:1556
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {10972950-3896-432C-9FF5-AB7544B67DF7} S-1-5-21-330940541-141609230-1670313778-1000:KXIPPCKF\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1580
    • C:\Users\Admin\AppData\Roaming\Delta.exe
      C:\Users\Admin\AppData\Roaming\Delta.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2900
    • C:\Users\Admin\AppData\Roaming\Delta.exe
      C:\Users\Admin\AppData\Roaming\Delta.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1652

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

    7357a5234f44c28564e50a373635afe4

    SHA1

    1200f339ff610f7bee76736764000bbc7470b43c

    SHA256

    b400d7a5354ecc2933e774992434166044b1ea737d99375fca273874df9e2d6a

    SHA512

    a6080428f90446dee30bb61beeac2b9012da0a2278ea4cb986d7ff391f789a3633feb51f60bc5ab46217aed84656099d44c2f4b6a3df34cc43ac7a1cd8415462

  • \??\PIPE\srvsvc

    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • memory/1556-35-0x0000000140000000-0x00000001405E8000-memory.dmp

    Filesize

    5.9MB

  • memory/1556-36-0x0000000140000000-0x00000001405E8000-memory.dmp

    Filesize

    5.9MB

  • memory/1556-41-0x0000000140000000-0x00000001405E8000-memory.dmp

    Filesize

    5.9MB

  • memory/1652-44-0x00000000010D0000-0x00000000010F0000-memory.dmp

    Filesize

    128KB

  • memory/2564-15-0x00000000022E0000-0x00000000022E8000-memory.dmp

    Filesize

    32KB

  • memory/2564-14-0x000000001B390000-0x000000001B672000-memory.dmp

    Filesize

    2.9MB

  • memory/2900-40-0x0000000000DB0000-0x0000000000DD0000-memory.dmp

    Filesize

    128KB

  • memory/2904-6-0x0000000002650000-0x00000000026D0000-memory.dmp

    Filesize

    512KB

  • memory/2904-8-0x0000000001F40000-0x0000000001F48000-memory.dmp

    Filesize

    32KB

  • memory/2904-7-0x000000001B2B0000-0x000000001B592000-memory.dmp

    Filesize

    2.9MB

  • memory/2956-32-0x000000001B140000-0x000000001B1C0000-memory.dmp

    Filesize

    512KB

  • memory/2956-33-0x000007FEF5A73000-0x000007FEF5A74000-memory.dmp

    Filesize

    4KB

  • memory/2956-34-0x000000001B140000-0x000000001B1C0000-memory.dmp

    Filesize

    512KB

  • memory/2956-0-0x000007FEF5A73000-0x000007FEF5A74000-memory.dmp

    Filesize

    4KB

  • memory/2956-1-0x0000000000F80000-0x0000000000FA0000-memory.dmp

    Filesize

    128KB