Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/04/2024, 03:40

General

  • Target
    SOA of March.exe
  • Size 728KB
  • Sample240416-d775csad7x
  • SHA256 75854947a6a21c6fdacee3b080ad9f9c8c86546b54410a968d6f09c23e5d00c9
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect Neshta payload 6 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SOA of March.exe
    "C:\Users\Admin\AppData\Local\Temp\SOA of March.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3944
    • 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\SOA of March.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4656
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fxIsxsw.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2884
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fxIsxsw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5A26.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4024
    • C:\Users\Admin\AppData\Local\Temp\SOA of March.exe
      "C:\Users\Admin\AppData\Local\Temp\SOA of March.exe"
      2⤵
      • Checks computer location settings
      • Modifies system executable filetype association
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Modifies registry class
      PID:1884

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        ACROBR~1.EXE

        • Path C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE
        • Size 328KB
        • SHA256 5517b70a239e535f85a736e87c5deddec7dc48cb661cb042c51856d24abcd337
        • MD5 SHA1 SHA512 SSDEEP

        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 18ed27512a21e119f587f94310762f19570af7621a5955fabcde5882d462f853
        • MD5 SHA1 SHA512 SSDEEP

        SOA of March.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\SOA of March.exe
        • Size 688KB
        • SHA256 c5aac26124429fbf9712105ffae772d81190c6af63d241c92e0432f96da25f58
        • MD5 SHA1 SHA512 SSDEEP

        __PSScriptPolicyTest_cvgaufny.nyf.ps1

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

        tmp5A26.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp5A26.tmp
        • Size 1KB
        • SHA256 4c237fd4bcf55d6f4fd13e84dbd4e9d8bd213fbf69a045a9a2a51f5a10c3d7ba
        • MD5 SHA1 SHA512

        fxIsxsw.exe

        • Path C:\Users\Admin\AppData\Roaming\fxIsxsw.exe
        • Size 728KB
        • SHA256 75854947a6a21c6fdacee3b080ad9f9c8c86546b54410a968d6f09c23e5d00c9
        • MD5 SHA1 SHA512 SSDEEP

        memory/1884-194-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/1884-37-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/1884-38-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/1884-49-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/1884-45-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/1884-196-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2884-90-0x0000000007930000-0x0000000007FAA000-memory.dmp

        memory/2884-46-0x0000000005950000-0x0000000005CA4000-memory.dmp

        memory/2884-181-0x0000000074520000-0x0000000074CD0000-memory.dmp

        memory/2884-159-0x0000000007550000-0x0000000007558000-memory.dmp

        memory/2884-158-0x0000000007570000-0x000000000758A000-memory.dmp

        memory/2884-145-0x0000000007470000-0x0000000007484000-memory.dmp

        memory/2884-23-0x0000000074520000-0x0000000074CD0000-memory.dmp

        memory/2884-24-0x00000000026A0000-0x00000000026B0000-memory.dmp

        memory/2884-25-0x00000000026A0000-0x00000000026B0000-memory.dmp

        memory/2884-135-0x0000000007460000-0x000000000746E000-memory.dmp

        memory/2884-101-0x0000000007090000-0x000000000709A000-memory.dmp

        memory/2884-89-0x00000000026A0000-0x00000000026B0000-memory.dmp

        memory/2884-79-0x0000000070980000-0x00000000709CC000-memory.dmp

        memory/3944-47-0x0000000074520000-0x0000000074CD0000-memory.dmp

        memory/3944-0-0x0000000000DE0000-0x0000000000E9C000-memory.dmp

        memory/3944-11-0x00000000093C0000-0x000000000945C000-memory.dmp

        memory/3944-9-0x0000000005CC0000-0x0000000005CCC000-memory.dmp

        memory/3944-8-0x0000000005B90000-0x0000000005B98000-memory.dmp

        memory/3944-1-0x0000000074520000-0x0000000074CD0000-memory.dmp

        memory/3944-7-0x0000000005B60000-0x0000000005B72000-memory.dmp

        memory/3944-2-0x0000000005E30000-0x00000000063D4000-memory.dmp

        memory/3944-10-0x0000000006B70000-0x0000000006BFC000-memory.dmp

        memory/3944-3-0x0000000005880000-0x0000000005912000-memory.dmp

        memory/3944-4-0x00000000059E0000-0x00000000059F0000-memory.dmp

        memory/3944-5-0x0000000005930000-0x000000000593A000-memory.dmp

        memory/3944-6-0x0000000006F50000-0x0000000006FF8000-memory.dmp

        memory/4656-66-0x000000007F460000-0x000000007F470000-memory.dmp

        memory/4656-21-0x0000000004D10000-0x0000000004D32000-memory.dmp

        memory/4656-19-0x0000000004920000-0x0000000004930000-memory.dmp

        memory/4656-91-0x0000000006EF0000-0x0000000006F0A000-memory.dmp

        memory/4656-78-0x0000000006DF0000-0x0000000006E93000-memory.dmp

        memory/4656-32-0x0000000005770000-0x00000000057D6000-memory.dmp

        memory/4656-107-0x00000000073B0000-0x0000000007446000-memory.dmp

        memory/4656-108-0x0000000007310000-0x0000000007321000-memory.dmp

        memory/4656-26-0x0000000005700000-0x0000000005766000-memory.dmp

        memory/4656-16-0x0000000004870000-0x00000000048A6000-memory.dmp

        memory/4656-18-0x0000000004F60000-0x0000000005588000-memory.dmp

        memory/4656-20-0x0000000004920000-0x0000000004930000-memory.dmp

        memory/4656-177-0x0000000074520000-0x0000000074CD0000-memory.dmp

        memory/4656-77-0x0000000006300000-0x000000000631E000-memory.dmp

        memory/4656-67-0x0000000070980000-0x00000000709CC000-memory.dmp

        memory/4656-17-0x0000000074520000-0x0000000074CD0000-memory.dmp

        memory/4656-65-0x00000000063B0000-0x00000000063E2000-memory.dmp

        memory/4656-64-0x0000000006340000-0x000000000638C000-memory.dmp

        memory/4656-54-0x0000000005DC0000-0x0000000005DDE000-memory.dmp