Analysis

  • max time kernel
    60s
  • max time network
    62s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/07/2026, 16:27

General

  • Target
    messenger_update.exe
  • Size 3.1MB
  • Sample260712-tyepfsc19m
  • SHA256 1835ce74be6c4e2270fd441a0593b02b6fd0aa36f22699167796a1713e3d8fee
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • quasar

Version
  • 1.4.1

Botnet
  • pingping

C2
  • lastwaltz.info

  • malware.lastwaltz.info

Mutex
  • dff4d9d4-ee98-4856-b36f-7b3aeffd8d10

Attributes
  • encryption_key

    88744B6C5529B458F3F34862830C659732FE5A1C

  • install_name

    molliza.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    5000

  • startup_key

    malware

  • subdirectory

    malware

Signatures

  • Family: Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
    "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3564
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\h7Qdm2MxtGvc.bat" "
      2⤵
        PID:2636
        • C:\Windows\system32\chcp.com
          chcp 65001
          3⤵
            PID:2608
          • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
            "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
            3⤵
              PID:5232
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\luSwfpiI8gao.bat" "
                4⤵
                  PID:2396
                  • C:\Windows\system32\chcp.com
                    chcp 65001
                    5⤵
                      PID:2428
                    • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                      "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                      5⤵
                        PID:4832
                        • C:\Windows\system32\cmd.exe
                          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\hQ9IvvFOiYGL.bat" "
                          6⤵
                            PID:4888
                            • C:\Windows\system32\chcp.com
                              chcp 65001
                              7⤵
                                PID:360
                              • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                7⤵
                                  PID:52
                                  • C:\Windows\system32\cmd.exe
                                    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\fd4QNksCY3qs.bat" "
                                    8⤵
                                      PID:2888
                                      • C:\Windows\system32\chcp.com
                                        chcp 65001
                                        9⤵
                                          PID:4308
                                        • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                          "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                          9⤵
                                            PID:2688
                                            • C:\Windows\system32\cmd.exe
                                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8wRaHXfBossU.bat" "
                                              10⤵
                                                PID:5076
                                                • C:\Windows\system32\chcp.com
                                                  chcp 65001
                                                  11⤵
                                                    PID:6016
                                                  • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                    "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                    11⤵
                                                      PID:2072
                                                      • C:\Windows\system32\cmd.exe
                                                        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\REbUj0u9wQr4.bat" "
                                                        12⤵
                                                          PID:2480
                                                          • C:\Windows\system32\chcp.com
                                                            chcp 65001
                                                            13⤵
                                                              PID:4500
                                                            • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                              "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                              13⤵
                                                                PID:2832
                                                                • C:\Windows\system32\cmd.exe
                                                                  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8qPmERRhOmyZ.bat" "
                                                                  14⤵
                                                                    PID:2828
                                                                    • C:\Windows\system32\chcp.com
                                                                      chcp 65001
                                                                      15⤵
                                                                        PID:2984
                                                                      • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                                        "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                                        15⤵
                                                                          PID:4676
                                                                          • C:\Windows\system32\cmd.exe
                                                                            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\KTW04yeOp8EM.bat" "
                                                                            16⤵
                                                                              PID:1308
                                                                              • C:\Windows\system32\chcp.com
                                                                                chcp 65001
                                                                                17⤵
                                                                                  PID:5084
                                                                                • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                                                  "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                                                  17⤵
                                                                                    PID:3664
                                                                                    • C:\Windows\system32\cmd.exe
                                                                                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\U98EigfAQVPc.bat" "
                                                                                      18⤵
                                                                                        PID:3084
                                                                                        • C:\Windows\system32\chcp.com
                                                                                          chcp 65001
                                                                                          19⤵
                                                                                            PID:4468
                                                                                          • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                                                            "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                                                            19⤵
                                                                                              PID:5788
                                                                                              • C:\Windows\system32\cmd.exe
                                                                                                C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\s1JdaV6FXsrG.bat" "
                                                                                                20⤵
                                                                                                  PID:1380
                                                                                                  • C:\Windows\system32\chcp.com
                                                                                                    chcp 65001
                                                                                                    21⤵
                                                                                                      PID:4560
                                                                                                    • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                                                                      "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                                                                      21⤵
                                                                                                        PID:2760
                                                                                                        • C:\Windows\system32\cmd.exe
                                                                                                          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\XlYEvp9hW4BT.bat" "
                                                                                                          22⤵
                                                                                                            PID:4476
                                                                                                            • C:\Windows\system32\chcp.com
                                                                                                              chcp 65001
                                                                                                              23⤵
                                                                                                                PID:4160
                                                                                                              • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                                                                                "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                                                                                23⤵
                                                                                                                  PID:1692
                                                                                                                  • C:\Windows\system32\cmd.exe
                                                                                                                    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\weUuZjW5Uxmy.bat" "
                                                                                                                    24⤵
                                                                                                                      PID:5364
                                                                                                                      • C:\Windows\system32\chcp.com
                                                                                                                        chcp 65001
                                                                                                                        25⤵
                                                                                                                          PID:5568
                                                                                                                        • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                                                                                          "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                                                                                          25⤵
                                                                                                                            PID:3644
                                                                                                                            • C:\Windows\system32\cmd.exe
                                                                                                                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\PpoJtIWCFqn8.bat" "
                                                                                                                              26⤵
                                                                                                                                PID:4868
                                                                                                                                • C:\Windows\system32\chcp.com
                                                                                                                                  chcp 65001
                                                                                                                                  27⤵
                                                                                                                                    PID:5660
                                                                                                                                  • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                                                                                                    "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                                                                                                    27⤵
                                                                                                                                      PID:2332
                                                                                                                                      • C:\Windows\system32\cmd.exe
                                                                                                                                        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7dOF4tfudDIq.bat" "
                                                                                                                                        28⤵
                                                                                                                                          PID:2128
                                                                                                                                          • C:\Windows\system32\chcp.com
                                                                                                                                            chcp 65001
                                                                                                                                            29⤵
                                                                                                                                              PID:692
                                                                                                                                            • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                                                                                                              "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                                                                                                              29⤵
                                                                                                                                                PID:1908
                                                                                                                                                • C:\Windows\system32\cmd.exe
                                                                                                                                                  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\81lFvhXyShdC.bat" "
                                                                                                                                                  30⤵
                                                                                                                                                    PID:2872
                                                                                                                                                    • C:\Windows\system32\chcp.com
                                                                                                                                                      chcp 65001
                                                                                                                                                      31⤵
                                                                                                                                                        PID:6024
                                                                                                                                                      • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                                                                                                                        "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                                                                                                                        31⤵
                                                                                                                                                          PID:1092
                                                                                                                                                          • C:\Windows\system32\cmd.exe
                                                                                                                                                            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Bf4VrmmO9kuS.bat" "
                                                                                                                                                            32⤵
                                                                                                                                                              PID:2068
                                                                                                                                                              • C:\Windows\system32\chcp.com
                                                                                                                                                                chcp 65001
                                                                                                                                                                33⤵
                                                                                                                                                                  PID:4568
                                                                                                                                                                • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                                                                                                                                  "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                                                                                                                                  33⤵
                                                                                                                                                                    PID:2660
                                                                                                                                                                    • C:\Windows\system32\cmd.exe
                                                                                                                                                                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\boxqfr4h1oLw.bat" "
                                                                                                                                                                      34⤵
                                                                                                                                                                        PID:3148
                                                                                                                                                                        • C:\Windows\system32\chcp.com
                                                                                                                                                                          chcp 65001
                                                                                                                                                                          35⤵
                                                                                                                                                                            PID:2556
                                                                                                                                                                          • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                                                                                                                                            "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                                                                                                                                            35⤵
                                                                                                                                                                              PID:2696

                                                                                                        Network

                                                                                                              MITRE ATT&CK Matrix

                                                                                                              Replay Monitor

                                                                                                              Loading Replay Monitor...

                                                                                                              Downloads

                                                                                                              7dOF4tfudDIq.bat

                                                                                                              • Path C:\Users\Admin\AppData\Local\Temp\7dOF4tfudDIq.bat
                                                                                                              • Size 185B
                                                                                                              • SHA256 d35d3cba4daae4eac98956f1caa54543e816669b76f3f21462817a36c64394c1
                                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                                              81lFvhXyShdC.bat

                                                                                                              • Path C:\Users\Admin\AppData\Local\Temp\81lFvhXyShdC.bat
                                                                                                              • Size 185B
                                                                                                              • SHA256 1972a1f84e179cf2fd243c31a0410708318b70a3f4b8a12674a12f76e402d7ec
                                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                                              8qPmERRhOmyZ.bat

                                                                                                              • Path C:\Users\Admin\AppData\Local\Temp\8qPmERRhOmyZ.bat
                                                                                                              • Size 185B
                                                                                                              • SHA256 41ae29746c2394ce9191b8c909dc6ec74e15fad3ee13a5b54b6adf2bb203f040
                                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                                              8wRaHXfBossU.bat

                                                                                                              • Path C:\Users\Admin\AppData\Local\Temp\8wRaHXfBossU.bat
                                                                                                              • Size 185B
                                                                                                              • SHA256 f0a39c804a183779769c5d9b0b5a427e36412e33fbfd43a2676bc4344dd18cc5
                                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                                              Bf4VrmmO9kuS.bat

                                                                                                              • Path C:\Users\Admin\AppData\Local\Temp\Bf4VrmmO9kuS.bat
                                                                                                              • Size 185B
                                                                                                              • SHA256 6129a10ca8b414bb4f00f5d2ad47dd96f0971ce966eba21754d1ce24c7a569fa
                                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                                              KTW04yeOp8EM.bat

                                                                                                              • Path C:\Users\Admin\AppData\Local\Temp\KTW04yeOp8EM.bat
                                                                                                              • Size 185B
                                                                                                              • SHA256 37696d1155a7b6f310b7e1fda67df3e190c1a167f5e4f1a3e521cd1afa488e5d
                                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                                              PpoJtIWCFqn8.bat

                                                                                                              • Path C:\Users\Admin\AppData\Local\Temp\PpoJtIWCFqn8.bat
                                                                                                              • Size 185B
                                                                                                              • SHA256 f0759884d5e59e77be554499dfbbfcca1f5cf23e02dc155f9f306b55eb27218a
                                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                                              REbUj0u9wQr4.bat

                                                                                                              • Path C:\Users\Admin\AppData\Local\Temp\REbUj0u9wQr4.bat
                                                                                                              • Size 185B
                                                                                                              • SHA256 e025e917f1386c85ae11c982352ccb46479e7f884abd65ec472f968e9aac1f3d
                                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                                              U98EigfAQVPc.bat

                                                                                                              • Path C:\Users\Admin\AppData\Local\Temp\U98EigfAQVPc.bat
                                                                                                              • Size 185B
                                                                                                              • SHA256 ad6e37f9ba4ab84848e7dd0814465ef6ad15e23a2441bb0f20ad68238bf6e579
                                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                                              XlYEvp9hW4BT.bat

                                                                                                              • Path C:\Users\Admin\AppData\Local\Temp\XlYEvp9hW4BT.bat
                                                                                                              • Size 185B
                                                                                                              • SHA256 6967e3f5f0ffde82b96ea6afb7030f1a09cc8f029ae447bca26075dec38e0f8e
                                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                                              ZYzUiTa0aRsF.bat

                                                                                                              • Path C:\Users\Admin\AppData\Local\Temp\ZYzUiTa0aRsF.bat
                                                                                                              • Size 185B
                                                                                                              • SHA256 25a27468fd043cd5f8cc4400858a4a542431a044dc2b4d854c02901bf0b98342
                                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                                              boxqfr4h1oLw.bat

                                                                                                              • Path C:\Users\Admin\AppData\Local\Temp\boxqfr4h1oLw.bat
                                                                                                              • Size 185B
                                                                                                              • SHA256 c077005fe490a87b07c2ef2517dc6c3f525d772f4ef8056cc84c1c7cb90d2b7a
                                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                                              fd4QNksCY3qs.bat

                                                                                                              • Path C:\Users\Admin\AppData\Local\Temp\fd4QNksCY3qs.bat
                                                                                                              • Size 185B
                                                                                                              • SHA256 a9a5c3591161fbbdd18b99c18ff33453c5e287ba2bde0f1a0164bd5edf3c79c3
                                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                                              h7Qdm2MxtGvc.bat

                                                                                                              • Path C:\Users\Admin\AppData\Local\Temp\h7Qdm2MxtGvc.bat
                                                                                                              • Size 185B
                                                                                                              • SHA256 e8e6f2dd42d3de0443788aa3edfff42ea38fb103e6332622e6f80db00f5ada1e
                                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                                              hQ9IvvFOiYGL.bat

                                                                                                              • Path C:\Users\Admin\AppData\Local\Temp\hQ9IvvFOiYGL.bat
                                                                                                              • Size 185B
                                                                                                              • SHA256 47410a59ce7fb80f118ceee25a2a81c9da7adc94c2d55a90b0b71097574a2922
                                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                                              luSwfpiI8gao.bat

                                                                                                              • Path C:\Users\Admin\AppData\Local\Temp\luSwfpiI8gao.bat
                                                                                                              • Size 185B
                                                                                                              • SHA256 ccbde783037846832c4bfaf3d3c7bd98d3d46b28cbfbf374afe337e5ba94a445
                                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                                              s1JdaV6FXsrG.bat

                                                                                                              • Path C:\Users\Admin\AppData\Local\Temp\s1JdaV6FXsrG.bat
                                                                                                              • Size 185B
                                                                                                              • SHA256 fb43b7f878511e646285ce26fa521e6f8e35c3e9df4e0a9258ef13b8000fb15e
                                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                                              weUuZjW5Uxmy.bat

                                                                                                              • Path C:\Users\Admin\AppData\Local\Temp\weUuZjW5Uxmy.bat
                                                                                                              • Size 185B
                                                                                                              • SHA256 5f93e0bfa6a07573e66c5e5ca077b595a2b12c4d323eed1ce27197d763d2654c
                                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                                              memory/3564-12-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

                                                                                                              memory/3564-6-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

                                                                                                              memory/3564-1-0x0000000000BC0000-0x0000000000EEC000-memory.dmp

                                                                                                              memory/3564-2-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

                                                                                                              memory/3564-3-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

                                                                                                              memory/3564-4-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

                                                                                                              memory/3564-5-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

                                                                                                              memory/3564-22-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

                                                                                                              memory/3564-7-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

                                                                                                              memory/3564-8-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

                                                                                                              memory/3564-9-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

                                                                                                              memory/3564-10-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

                                                                                                              memory/3564-11-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

                                                                                                              memory/3564-0-0x00007FFC6847F000-0x00007FFC68480000-memory.dmp

                                                                                                              memory/3564-13-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

                                                                                                              memory/3564-14-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

                                                                                                              memory/5232-32-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

                                                                                                              memory/5232-23-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

                                                                                                              memory/5232-43-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

                                                                                                              memory/5232-24-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

                                                                                                              memory/5232-36-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

                                                                                                              memory/5232-34-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

                                                                                                              memory/5232-35-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

                                                                                                              memory/5232-33-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

                                                                                                              memory/5232-25-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

                                                                                                              memory/5232-31-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

                                                                                                              memory/5232-30-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

                                                                                                              memory/5232-29-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

                                                                                                              memory/5232-28-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

                                                                                                              memory/5232-27-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

                                                                                                              memory/5232-26-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp