Analysis

  • max time kernel
    152s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/11/2022, 18:48

General

  • Target
    5a178e873bea63aa2c0c4c05c2fab788cf3e18bbeeeb94cdc921b77c2c5584c5.exe
  • Size 1.0MB
  • Sample221122-xftx7sdd26
  • SHA256 5a178e873bea63aa2c0c4c05c2fab788cf3e18bbeeeb94cdc921b77c2c5584c5
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Imminent RAT

    Remote-access trojan based on Imminent Monitor remote admin software.

  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5a178e873bea63aa2c0c4c05c2fab788cf3e18bbeeeb94cdc921b77c2c5584c5.exe
    "C:\Users\Admin\AppData\Local\Temp\5a178e873bea63aa2c0c4c05c2fab788cf3e18bbeeeb94cdc921b77c2c5584c5.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4700
    • C:\Users\Admin\AppData\Roaming\uueea\jnotg.com
      "C:\Users\Admin\AppData\Roaming\uueea\jnotg.com" egwlg.plw
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1660
      • C:\Users\Admin\AppData\Roaming\uueea\jnotg.com
        C:\Users\Admin\AppData\Roaming\uueea\jnotg.com C:\Users\Admin\AppData\Roaming\uueea\TLIST
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:240
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
          4⤵
          • Drops desktop.ini file(s)
          • Drops file in Windows directory
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:3952

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        TLIST

        • Path C:\Users\Admin\AppData\Roaming\uueea\TLIST
        • Size 118KB
        • SHA256 f4277a31ceba382ca8de4d8771e9d12e67dac07c421edbb9dc38be4d843bcb63
        • MD5 SHA1 SHA512 SSDEEP

        YMQGIX

        • Path C:\Users\Admin\AppData\Roaming\uueea\YMQGIX
        • Size 30KB
        • SHA256 5921af928a8577b129ae3a1ba8a29b7f7763e9a4aa2870429c5b6ee35490c28b
        • MD5 SHA1 SHA512 SSDEEP

        egwlg.plw

        • Path C:\Users\Admin\AppData\Roaming\uueea\egwlg.plw
        • Size 127KB
        • SHA256 e12b30f79ad7cf4b71d5aaf2eb5b1d2b0971a5d460f526406ce2def601c4f3df
        • MD5 SHA1 SHA512 SSDEEP

        hllwp

        • Path C:\Users\Admin\AppData\Roaming\uueea\hllwp
        • Size 277KB
        • SHA256 7ef88c8ffd41bacbb7cdf540dd1e4cac7df32881cb8dfb0aaab3339bb120bf8c
        • MD5 SHA1 SHA512 SSDEEP

        jnotg.com

        • Path C:\Users\Admin\AppData\Roaming\uueea\jnotg.com
        • Size 732KB
        • SHA256 fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b
        • MD5 SHA1 SHA512 SSDEEP

        jnotg.com

        • Path C:\Users\Admin\AppData\Roaming\uueea\jnotg.com
        • Size 732KB
        • SHA256 fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b
        • MD5 SHA1 SHA512 SSDEEP

        jnotg.com

        • Path C:\Users\Admin\AppData\Roaming\uueea\jnotg.com
        • Size 732KB
        • SHA256 fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b
        • MD5 SHA1 SHA512 SSDEEP

        pfxif.wte

        • Path C:\Users\Admin\AppData\Roaming\uueea\pfxif.wte
        • Size 118KB
        • SHA256 b84f15965a8afe578a1a138e6bf194fc283d76e7131a013ea5c3a996a5173af4
        • MD5 SHA1 SHA512 SSDEEP

        memory/3952-143-0x0000000000400000-0x000000000044C000-memory.dmp

        memory/3952-144-0x00000000740F0000-0x00000000746A1000-memory.dmp

        memory/3952-145-0x00000000740F0000-0x00000000746A1000-memory.dmp