Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/01/2025, 06:51

General

  • Target
    invoice.exe
  • Size 788KB
  • Sample250124-hmg5navrdw
  • SHA256 282a05d5e79cd8a8fecb470cdde28f483cc6fa7d70785f6e6e5e3de3dc39a979
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 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 4 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 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\invoice.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:1340
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\invoice.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1532
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CkAszpK.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3924
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CkAszpK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCE3D.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3928
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:2900
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1136

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          powershell.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
          • Size 2KB
          • SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
          • MD5 SHA1 SHA512

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 18KB
          • SHA256 89b487d4203890229f72dfcce347f548fbd66f21e232a283c6c282988abda055
          • MD5 SHA1 SHA512 SSDEEP

          __PSScriptPolicyTest_ky1qouc2.ajs.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ky1qouc2.ajs.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          tmpCE3D.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\tmpCE3D.tmp
          • Size 1KB
          • SHA256 1c041464015b113fbe006e1c2a2bdefb4dea2593420d6abc2f9f2e7ae8c664c5
          • MD5 SHA1 SHA512

          memory/1136-46-0x0000000000400000-0x0000000000447000-memory.dmp

          memory/1340-4-0x0000000074E90000-0x0000000075640000-memory.dmp

          memory/1340-6-0x0000000005200000-0x000000000529C000-memory.dmp

          memory/1340-7-0x00000000055C0000-0x00000000055DE000-memory.dmp

          memory/1340-8-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

          memory/1340-9-0x0000000074E90000-0x0000000075640000-memory.dmp

          memory/1340-10-0x0000000004920000-0x00000000049B2000-memory.dmp

          memory/1340-5-0x0000000005010000-0x000000000501A000-memory.dmp

          memory/1340-3-0x0000000004F60000-0x0000000004FF2000-memory.dmp

          memory/1340-2-0x0000000005610000-0x0000000005BB4000-memory.dmp

          memory/1340-0-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

          memory/1340-48-0x0000000074E90000-0x0000000075640000-memory.dmp

          memory/1340-1-0x00000000004C0000-0x000000000058A000-memory.dmp

          memory/1532-49-0x0000000005FD0000-0x0000000005FEE000-memory.dmp

          memory/1532-79-0x0000000007520000-0x000000000752E000-memory.dmp

          memory/1532-15-0x00000000026B0000-0x00000000026E6000-memory.dmp

          memory/1532-21-0x0000000005950000-0x00000000059B6000-memory.dmp

          memory/1532-16-0x0000000074E90000-0x0000000075640000-memory.dmp

          memory/1532-19-0x0000000005840000-0x0000000005862000-memory.dmp

          memory/1532-17-0x00000000051E0000-0x0000000005808000-memory.dmp

          memory/1532-50-0x0000000006540000-0x000000000658C000-memory.dmp

          memory/1532-18-0x0000000074E90000-0x0000000075640000-memory.dmp

          memory/1532-35-0x0000000074E90000-0x0000000075640000-memory.dmp

          memory/1532-23-0x00000000059C0000-0x0000000005D14000-memory.dmp

          memory/1532-20-0x00000000058E0000-0x0000000005946000-memory.dmp

          memory/1532-64-0x0000000075720000-0x000000007576C000-memory.dmp

          memory/1532-89-0x0000000074E90000-0x0000000075640000-memory.dmp

          memory/1532-80-0x0000000007530000-0x0000000007544000-memory.dmp

          memory/1532-81-0x0000000007630000-0x000000000764A000-memory.dmp

          memory/1532-77-0x0000000007570000-0x0000000007606000-memory.dmp

          memory/1532-76-0x0000000007360000-0x000000000736A000-memory.dmp

          memory/3924-52-0x0000000075720000-0x000000007576C000-memory.dmp

          memory/3924-51-0x0000000006D70000-0x0000000006DA2000-memory.dmp

          memory/3924-75-0x0000000007120000-0x000000000713A000-memory.dmp

          memory/3924-78-0x0000000007320000-0x0000000007331000-memory.dmp

          memory/3924-22-0x0000000074E90000-0x0000000075640000-memory.dmp

          memory/3924-74-0x0000000007760000-0x0000000007DDA000-memory.dmp

          memory/3924-82-0x0000000007440000-0x0000000007448000-memory.dmp

          memory/3924-62-0x0000000006D50000-0x0000000006D6E000-memory.dmp

          memory/3924-63-0x0000000006DC0000-0x0000000006E63000-memory.dmp

          memory/3924-88-0x0000000074E90000-0x0000000075640000-memory.dmp

          memory/3924-45-0x0000000074E90000-0x0000000075640000-memory.dmp

          memory/3924-30-0x0000000074E90000-0x0000000075640000-memory.dmp