Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    28/04/2026, 21:37

General

  • Target
    RAMMap.msi
  • Size 28KB
  • Sample260428-1gpawsav7l
  • SHA256 5b01937182c2af51d6c2299518fcce5e765e82bc31bf49049ef5aa28fa0f2388
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 12 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 36 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\RAMMap.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:5084
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:6052
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2024
      • C:\Windows\system32\cmd.exe
        cmd.exe /c start /min "" "F9CYyKjY.cmd"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3300
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /K "F9CYyKjY.cmd"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3620
          • C:\Windows\system32\where.exe
            where node
            4⤵
              PID:3852
            • C:\Windows\system32\curl.exe
              curl -sLo "C:\Users\Admin\AppData\Local\Temp\EHMlCzAmQI.zip" "https://nodejs.org/dist/v18.20.5/node-v18.20.5-win-x64.zip"
              4⤵
                PID:1500
              • C:\Windows\system32\tar.exe
                tar -xf "C:\Users\Admin\AppData\Local\Temp\EHMlCzAmQI.zip" -C "C:\Users\Admin\AppData\Local\F3JwE3vMhpT4"
                4⤵
                  PID:5020
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:4620
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:6112
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:6136
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:5324
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:6128
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:916
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:4164
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:3340
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:4588
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:3892
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:1544
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:1892
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:2120
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:1000
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:4904
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:4896
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:5000
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:3828
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:5840
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:5096
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:5212
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:848
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:2624
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:5532
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:844
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:6064
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:4012
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:5056
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:5764
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:1176
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:3808
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:1740
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:6080
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:896
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:1364
                • C:\Windows\system32\timeout.exe
                  timeout /t 3 /nobreak
                  4⤵
                  • Delays execution with timeout.exe
                  PID:792
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Checks SCSI registry key(s)
            • Suspicious use of AdjustPrivilegeToken
            PID:4036

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

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                Downloads

                e583fb5.rbs

                • Path C:\Config.Msi\e583fb5.rbs
                • Size 8KB
                • SHA256 9c63ecc0b081860a35ff8d247dbfa049b1df17486643c1f3990e14976e1d0c06
                • MD5 SHA1 SHA512 SSDEEP TLSH

                F9CYyKjY.cmd

                • Path C:\Users\Admin\AppData\Local\F3JwE3vMhpT4\F9CYyKjY.cmd
                • Size 1KB
                • SHA256 9a12ed6052da95055d1e0813611bf2b4d20f7e8b6a837c3b8132e5f6de2167a8
                • MD5 SHA1 SHA512 TLSH

                e583fb4.msi

                • Path C:\Windows\Installer\e583fb4.msi
                • Size 28KB
                • SHA256 5b01937182c2af51d6c2299518fcce5e765e82bc31bf49049ef5aa28fa0f2388
                • MD5 SHA1 SHA512 SSDEEP TLSH

                metadata-2

                • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
                • Size 24.6MB
                • SHA256 f99aa154044f5a9e666d20348b06eee8d0d02d0d8d21d377c5002073afbe6ece
                • MD5 SHA1 SHA512 SSDEEP TLSH

                {691d96a9-6a65-45eb-92d7-04107a003f71}_OnDiskSnapshotProp

                • Path \??\Volume{f5ca1e61-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{691d96a9-6a65-45eb-92d7-04107a003f71}_OnDiskSnapshotProp
                • Size 6KB
                • SHA256 7dbb5f5adaee31bc2a15e35a4ad622ba81ffdaec79d0c0a9b13daa1a66d6cd7a
                • MD5 SHA1 SHA512 SSDEEP TLSH