Analysis

  • max time kernel
    121s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    11/05/2024, 07:37

General

  • Target

    чит.exe

  • Size

    357KB

  • MD5

    bd6d062cca54d61661e7c67343e6ecbe

  • SHA1

    e58f101d29b6525676ae97ecf98c654d5b9d2d13

  • SHA256

    5e5f7e691250577c8d5a5037a797960ad7f12bba85d62400e482d1050b5bbd77

  • SHA512

    727311a904693f2c467d2c752b3e3a2c21d067e71bb34a6722f2d7e0db50b48d17416712e1448495cff0edd759b0b0f875654c70aa0ac8f3c9ba03d622838095

  • SSDEEP

    6144:lPkN4bN8fMNPg+GIIIIIIIhIIIIIIIIIIIIIIIU:9k5fMNPD

Malware Config

Extracted

Family

xworm

C2

0.tcp.ngrok.io:14338

Attributes
  • Install_directory

    %LocalAppData%

  • install_file

    USB.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
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 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\чит.exe
    "C:\Users\Admin\AppData\Local\Temp\чит.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:2180
    • 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\чит.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2664
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'чит.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2724
    • 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\game'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2452
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'game'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2960
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "game" /tr "C:\Users\Admin\AppData\Local\game"
      2⤵
      • Creates scheduled task(s)
      PID:1700
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {1DCDD498-EA18-4A41-863B-79F22488515B} S-1-5-21-3627615824-4061627003-3019543961-1000:SCFGBRBT\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:936
    • C:\Users\Admin\AppData\Local\game
      C:\Users\Admin\AppData\Local\game
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1628
    • C:\Users\Admin\AppData\Local\game
      C:\Users\Admin\AppData\Local\game
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2196

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\game

    Filesize

    357KB

    MD5

    bd6d062cca54d61661e7c67343e6ecbe

    SHA1

    e58f101d29b6525676ae97ecf98c654d5b9d2d13

    SHA256

    5e5f7e691250577c8d5a5037a797960ad7f12bba85d62400e482d1050b5bbd77

    SHA512

    727311a904693f2c467d2c752b3e3a2c21d067e71bb34a6722f2d7e0db50b48d17416712e1448495cff0edd759b0b0f875654c70aa0ac8f3c9ba03d622838095

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

    Filesize

    7KB

    MD5

    b1ebce254991f5bd03b90cda0d299613

    SHA1

    22c540c9cc55b0da2e0868f2abbee835fb541a2a

    SHA256

    7e6087ebd62da63e68c10f9049671dc4e353ab7076ffb5cbcead2057bbb741f5

    SHA512

    afec90c4b52d2c381aa913db82671eb2ab9b7ffaadbd7df59865a56520a0414419dd8207bb2898d39d826c0d1413f55d4fff7cfb1cd20325ee6c95450bcfb43f

  • memory/1628-35-0x0000000000880000-0x00000000008E0000-memory.dmp

    Filesize

    384KB

  • memory/2180-30-0x000007FEF5A83000-0x000007FEF5A84000-memory.dmp

    Filesize

    4KB

  • memory/2180-0-0x000007FEF5A83000-0x000007FEF5A84000-memory.dmp

    Filesize

    4KB

  • memory/2180-31-0x000007FEF5A80000-0x000007FEF646C000-memory.dmp

    Filesize

    9.9MB

  • memory/2180-2-0x000007FEF5A80000-0x000007FEF646C000-memory.dmp

    Filesize

    9.9MB

  • memory/2180-1-0x0000000000BE0000-0x0000000000C40000-memory.dmp

    Filesize

    384KB

  • memory/2196-38-0x0000000000090000-0x00000000000F0000-memory.dmp

    Filesize

    384KB

  • memory/2664-8-0x000000001B7F0000-0x000000001BAD2000-memory.dmp

    Filesize

    2.9MB

  • memory/2664-9-0x0000000000680000-0x0000000000688000-memory.dmp

    Filesize

    32KB

  • memory/2664-7-0x0000000002B20000-0x0000000002BA0000-memory.dmp

    Filesize

    512KB

  • memory/2724-15-0x000000001B580000-0x000000001B862000-memory.dmp

    Filesize

    2.9MB

  • memory/2724-16-0x0000000001EF0000-0x0000000001EF8000-memory.dmp

    Filesize

    32KB