Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    23-07-2024 23:39

General

  • Target

    21237b83e39b56108b33fa9208e20bd0N.exe

  • Size

    1.1MB

  • MD5

    21237b83e39b56108b33fa9208e20bd0

  • SHA1

    2da6620e429aaa64ae28c97e07411ad331dea04c

  • SHA256

    dc45d3955a7ee5a57d9324bbadabd18a9163a77a558537eeb04ada72d6e1cd29

  • SHA512

    24fef9944ee6813f744d6076eec1f91bef1540f0f9af4bd1b31cc352866a590ed864fb1b17ae8cef921d0f3563314bc4d81fa0ab5ddba164b6283298cfcaa770

  • SSDEEP

    24576:zQ5aILMCfmAUjzX6xQ0+wCIygDsAUSTsU9+s8juCC2SNh:E5aIwC+Agr6SNasrsFCi

Malware Config

Signatures

  • KPOT

    KPOT is an information stealer that steals user data and account credentials.

  • KPOT Core Executable 1 IoCs
  • Trickbot

    Developed in 2016, TrickBot is one of the more recent banking Trojans.

  • Trickbot x86 loader 1 IoCs

    Detected Trickbot's x86 loader that unpacks the x86 payload.

  • Stops running service(s) 4 TTPs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Drops file in System32 directory 1 IoCs
  • Launches sc.exe 2 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 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\21237b83e39b56108b33fa9208e20bd0N.exe
    "C:\Users\Admin\AppData\Local\Temp\21237b83e39b56108b33fa9208e20bd0N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1620
    • C:\Windows\SysWOW64\cmd.exe
      /c sc stop WinDefend
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2676
      • C:\Windows\SysWOW64\sc.exe
        sc stop WinDefend
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:2568
    • C:\Windows\SysWOW64\cmd.exe
      /c sc delete WinDefend
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2652
      • C:\Windows\SysWOW64\sc.exe
        sc delete WinDefend
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:2712
    • C:\Windows\SysWOW64\cmd.exe
      /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2680
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell Set-MpPreference -DisableRealtimeMonitoring $true
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2608
    • C:\Users\Admin\AppData\Roaming\WinSocket\21238b93e39b67109b33fa9209e20bd0N.exe
      C:\Users\Admin\AppData\Roaming\WinSocket\21238b93e39b67109b33fa9209e20bd0N.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3040
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:2188
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {5078C905-F000-4E5D-A796-B6F62ED5D775} S-1-5-18:NT AUTHORITY\System:Service:
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:600
      • C:\Users\Admin\AppData\Roaming\WinSocket\21238b93e39b67109b33fa9209e20bd0N.exe
        C:\Users\Admin\AppData\Roaming\WinSocket\21238b93e39b67109b33fa9209e20bd0N.exe
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2120
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe
          3⤵
            PID:1996

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Execution

      System Services

      1
      T1569

      Service Execution

      1
      T1569.002

      Command and Scripting Interpreter

      1
      T1059

      PowerShell

      1
      T1059.001

      Persistence

      Create or Modify System Process

      1
      T1543

      Windows Service

      1
      T1543.003

      Privilege Escalation

      Create or Modify System Process

      1
      T1543

      Windows Service

      1
      T1543.003

      Defense Evasion

      Impair Defenses

      1
      T1562

      Discovery

      System Location Discovery

      1
      T1614

      System Language Discovery

      1
      T1614.001

      Query Registry

      1
      T1012

      Impact

      Service Stop

      1
      T1489

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Roaming\WinSocket\21238b93e39b67109b33fa9209e20bd0N.exe
        Filesize

        1.1MB

        MD5

        21237b83e39b56108b33fa9208e20bd0

        SHA1

        2da6620e429aaa64ae28c97e07411ad331dea04c

        SHA256

        dc45d3955a7ee5a57d9324bbadabd18a9163a77a558537eeb04ada72d6e1cd29

        SHA512

        24fef9944ee6813f744d6076eec1f91bef1540f0f9af4bd1b31cc352866a590ed864fb1b17ae8cef921d0f3563314bc4d81fa0ab5ddba164b6283298cfcaa770

      • memory/1620-10-0x0000000000360000-0x0000000000361000-memory.dmp
        Filesize

        4KB

      • memory/1620-11-0x0000000000360000-0x0000000000361000-memory.dmp
        Filesize

        4KB

      • memory/1620-15-0x0000000000490000-0x00000000004B9000-memory.dmp
        Filesize

        164KB

      • memory/1620-14-0x0000000000360000-0x0000000000361000-memory.dmp
        Filesize

        4KB

      • memory/1620-9-0x0000000000360000-0x0000000000361000-memory.dmp
        Filesize

        4KB

      • memory/1620-12-0x0000000000360000-0x0000000000361000-memory.dmp
        Filesize

        4KB

      • memory/1620-17-0x0000000000421000-0x0000000000422000-memory.dmp
        Filesize

        4KB

      • memory/1620-2-0x0000000000360000-0x0000000000361000-memory.dmp
        Filesize

        4KB

      • memory/1620-13-0x0000000000360000-0x0000000000361000-memory.dmp
        Filesize

        4KB

      • memory/1620-8-0x0000000000360000-0x0000000000361000-memory.dmp
        Filesize

        4KB

      • memory/1620-7-0x0000000000360000-0x0000000000361000-memory.dmp
        Filesize

        4KB

      • memory/1620-6-0x0000000000360000-0x0000000000361000-memory.dmp
        Filesize

        4KB

      • memory/1620-5-0x0000000000360000-0x0000000000361000-memory.dmp
        Filesize

        4KB

      • memory/1620-4-0x0000000000360000-0x0000000000361000-memory.dmp
        Filesize

        4KB

      • memory/1620-3-0x0000000000360000-0x0000000000361000-memory.dmp
        Filesize

        4KB

      • memory/1620-18-0x0000000000400000-0x0000000000472000-memory.dmp
        Filesize

        456KB

      • memory/2120-61-0x0000000000490000-0x0000000000491000-memory.dmp
        Filesize

        4KB

      • memory/2120-68-0x0000000000490000-0x0000000000491000-memory.dmp
        Filesize

        4KB

      • memory/2120-66-0x0000000000490000-0x0000000000491000-memory.dmp
        Filesize

        4KB

      • memory/2120-67-0x0000000000490000-0x0000000000491000-memory.dmp
        Filesize

        4KB

      • memory/2120-71-0x0000000000490000-0x0000000000491000-memory.dmp
        Filesize

        4KB

      • memory/2120-69-0x0000000000490000-0x0000000000491000-memory.dmp
        Filesize

        4KB

      • memory/2120-70-0x0000000000490000-0x0000000000491000-memory.dmp
        Filesize

        4KB

      • memory/2120-62-0x0000000000490000-0x0000000000491000-memory.dmp
        Filesize

        4KB

      • memory/2120-63-0x0000000000490000-0x0000000000491000-memory.dmp
        Filesize

        4KB

      • memory/2120-65-0x0000000000490000-0x0000000000491000-memory.dmp
        Filesize

        4KB

      • memory/2120-64-0x0000000000490000-0x0000000000491000-memory.dmp
        Filesize

        4KB

      • memory/2120-60-0x0000000000490000-0x0000000000491000-memory.dmp
        Filesize

        4KB

      • memory/2188-50-0x0000000010000000-0x000000001001E000-memory.dmp
        Filesize

        120KB

      • memory/2188-51-0x0000000010000000-0x000000001001E000-memory.dmp
        Filesize

        120KB

      • memory/3040-34-0x0000000000260000-0x0000000000261000-memory.dmp
        Filesize

        4KB

      • memory/3040-33-0x0000000000260000-0x0000000000261000-memory.dmp
        Filesize

        4KB

      • memory/3040-41-0x0000000000260000-0x0000000000261000-memory.dmp
        Filesize

        4KB

      • memory/3040-45-0x0000000010000000-0x0000000010007000-memory.dmp
        Filesize

        28KB

      • memory/3040-30-0x0000000000260000-0x0000000000261000-memory.dmp
        Filesize

        4KB

      • memory/3040-31-0x0000000000260000-0x0000000000261000-memory.dmp
        Filesize

        4KB

      • memory/3040-32-0x0000000000260000-0x0000000000261000-memory.dmp
        Filesize

        4KB

      • memory/3040-44-0x0000000010000000-0x0000000010007000-memory.dmp
        Filesize

        28KB

      • memory/3040-40-0x0000000000260000-0x0000000000261000-memory.dmp
        Filesize

        4KB

      • memory/3040-35-0x0000000000260000-0x0000000000261000-memory.dmp
        Filesize

        4KB

      • memory/3040-36-0x0000000000260000-0x0000000000261000-memory.dmp
        Filesize

        4KB

      • memory/3040-37-0x0000000000260000-0x0000000000261000-memory.dmp
        Filesize

        4KB

      • memory/3040-38-0x0000000000260000-0x0000000000261000-memory.dmp
        Filesize

        4KB

      • memory/3040-39-0x0000000000260000-0x0000000000261000-memory.dmp
        Filesize

        4KB