Analysis

  • max time kernel
    133s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/10/2024, 04:31

General

  • Target
    rAWB281024_.scr.exe
  • Size 972KB
  • Sample241029-e5dcmssrbk
  • SHA256 88bb9bed8031190a16d24e5e26de559fb3ba8f7cda489b8f09cb40e2e1f2df9a
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • 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 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\rAWB281024_.scr.exe
    "C:\Users\Admin\AppData\Local\Temp\rAWB281024_.scr.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1548
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zrjxKRHUf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1812
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zrjxKRHUf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6A2.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:752
    • C:\Users\Admin\AppData\Local\Temp\rAWB281024_.scr.exe
      "C:\Users\Admin\AppData\Local\Temp\rAWB281024_.scr.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:3472

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        __PSScriptPolicyTest_hvj4y5o5.3mt.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hvj4y5o5.3mt.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        tmp6A2.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp6A2.tmp
        • Size 1KB
        • SHA256 854c23b38f467d49705062301294f4b4f4dbddc02f9c0b24a8358130e7a53f78
        • MD5 SHA1 SHA512

        memory/1548-6-0x0000000004ED0000-0x0000000004EEE000-memory.dmp

        memory/1548-3-0x0000000004CB0000-0x0000000004D42000-memory.dmp

        memory/1548-4-0x0000000004C60000-0x0000000004C6A000-memory.dmp

        memory/1548-5-0x0000000074EF0000-0x00000000756A0000-memory.dmp

        memory/1548-2-0x0000000005260000-0x0000000005804000-memory.dmp

        memory/1548-7-0x0000000074EFE000-0x0000000074EFF000-memory.dmp

        memory/1548-8-0x0000000074EF0000-0x00000000756A0000-memory.dmp

        memory/1548-9-0x0000000004620000-0x00000000046AE000-memory.dmp

        memory/1548-10-0x000000000DB40000-0x000000000DBDC000-memory.dmp

        memory/1548-0-0x0000000074EFE000-0x0000000074EFF000-memory.dmp

        memory/1548-1-0x0000000000180000-0x000000000027A000-memory.dmp

        memory/1548-24-0x0000000074EF0000-0x00000000756A0000-memory.dmp

        memory/1812-37-0x0000000006040000-0x0000000006394000-memory.dmp

        memory/1812-54-0x0000000006B10000-0x0000000006B2E000-memory.dmp

        memory/1812-71-0x0000000074EF0000-0x00000000756A0000-memory.dmp

        memory/1812-68-0x0000000074EF0000-0x00000000756A0000-memory.dmp

        memory/1812-21-0x0000000074EF0000-0x00000000756A0000-memory.dmp

        memory/1812-18-0x0000000005750000-0x0000000005D78000-memory.dmp

        memory/1812-25-0x0000000005D90000-0x0000000005DB2000-memory.dmp

        memory/1812-32-0x0000000005ED0000-0x0000000005F36000-memory.dmp

        memory/1812-31-0x0000000005E30000-0x0000000005E96000-memory.dmp

        memory/1812-16-0x0000000074EF0000-0x00000000756A0000-memory.dmp

        memory/1812-15-0x0000000002BE0000-0x0000000002C16000-memory.dmp

        memory/1812-38-0x0000000006500000-0x000000000651E000-memory.dmp

        memory/1812-39-0x0000000006540000-0x000000000658C000-memory.dmp

        memory/1812-41-0x000000007F560000-0x000000007F570000-memory.dmp

        memory/1812-40-0x0000000006AC0000-0x0000000006AF2000-memory.dmp

        memory/1812-53-0x0000000005110000-0x0000000005120000-memory.dmp

        memory/1812-52-0x0000000005110000-0x0000000005120000-memory.dmp

        memory/1812-19-0x0000000074EF0000-0x00000000756A0000-memory.dmp

        memory/1812-42-0x00000000717B0000-0x00000000717FC000-memory.dmp

        memory/1812-55-0x00000000076F0000-0x0000000007793000-memory.dmp

        memory/1812-56-0x0000000007E70000-0x00000000084EA000-memory.dmp

        memory/1812-57-0x0000000007830000-0x000000000784A000-memory.dmp

        memory/1812-66-0x0000000007B50000-0x0000000007B58000-memory.dmp

        memory/1812-59-0x00000000078A0000-0x00000000078AA000-memory.dmp

        memory/1812-60-0x0000000007AB0000-0x0000000007B46000-memory.dmp

        memory/1812-61-0x0000000007A30000-0x0000000007A41000-memory.dmp

        memory/1812-62-0x0000000074EF0000-0x00000000756A0000-memory.dmp

        memory/1812-63-0x0000000007A60000-0x0000000007A6E000-memory.dmp

        memory/1812-64-0x0000000007A70000-0x0000000007A84000-memory.dmp

        memory/1812-65-0x0000000007B70000-0x0000000007B8A000-memory.dmp

        memory/1812-67-0x0000000074EF0000-0x00000000756A0000-memory.dmp

        memory/3472-58-0x0000000001320000-0x000000000166A000-memory.dmp

        memory/3472-23-0x0000000000400000-0x0000000000447000-memory.dmp

        memory/3472-20-0x0000000000400000-0x0000000000447000-memory.dmp

        memory/3472-72-0x0000000000400000-0x0000000000447000-memory.dmp

        memory/3472-73-0x0000000000400000-0x0000000000447000-memory.dmp