Analysis

  • max time kernel
    59s
  • max time network
    61s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    25/07/2026, 15:14

General

  • Target
    messenger_update.exe
  • Size 3.1MB
  • Sample260725-smrzza1bng
  • SHA256 38a6e460f0cb4bd42db6597cec4d9205f8e975bc2a12826c01c54e6937a6169a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • quasar

Version
  • 1.4.1

Botnet
  • pingping

C2
  • zenim.in

  • malware.zenim.in

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
  • Executes a command shell one-liner 1 TTPs 15 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • 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:1096
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\QRetcRXysDQd.bat" "
      2⤵
      • Executes a command shell one-liner
      PID:52
      • C:\Windows\system32\chcp.com
        chcp 65001
        3⤵
          PID:2568
        • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
          "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
          3⤵
            PID:4208
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RXQJMJ2lPegF.bat" "
              4⤵
              • Executes a command shell one-liner
              PID:2428
              • C:\Windows\system32\chcp.com
                chcp 65001
                5⤵
                  PID:2840
                • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                  "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                  5⤵
                    PID:2712
                    • C:\Windows\system32\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BRrCwlQEymo0.bat" "
                      6⤵
                      • Executes a command shell one-liner
                      PID:2696
                      • C:\Windows\system32\chcp.com
                        chcp 65001
                        7⤵
                          PID:1348
                        • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                          "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                          7⤵
                            PID:2484
                            • C:\Windows\system32\cmd.exe
                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\yvEVOtwzAvxw.bat" "
                              8⤵
                              • Executes a command shell one-liner
                              PID:572
                              • C:\Windows\system32\chcp.com
                                chcp 65001
                                9⤵
                                  PID:2448
                                • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                  "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                  9⤵
                                    PID:6132
                                    • C:\Windows\system32\cmd.exe
                                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\MTexPa9HIy06.bat" "
                                      10⤵
                                      • Executes a command shell one-liner
                                      PID:5260
                                      • C:\Windows\system32\chcp.com
                                        chcp 65001
                                        11⤵
                                          PID:596
                                        • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                          "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                          11⤵
                                            PID:2948
                                            • C:\Windows\system32\cmd.exe
                                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\bb7RQ0oRsOvT.bat" "
                                              12⤵
                                              • Executes a command shell one-liner
                                              PID:1764
                                              • C:\Windows\system32\chcp.com
                                                chcp 65001
                                                13⤵
                                                  PID:1144
                                                • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                  "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                  13⤵
                                                    PID:3392
                                                    • C:\Windows\system32\cmd.exe
                                                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\pTi5MgejvchV.bat" "
                                                      14⤵
                                                      • Executes a command shell one-liner
                                                      PID:4496
                                                      • C:\Windows\system32\chcp.com
                                                        chcp 65001
                                                        15⤵
                                                          PID:5864
                                                        • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                          "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                          15⤵
                                                            PID:4172
                                                            • C:\Windows\system32\cmd.exe
                                                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\jZFwUabjwEcH.bat" "
                                                              16⤵
                                                              • Executes a command shell one-liner
                                                              PID:4704
                                                              • C:\Windows\system32\chcp.com
                                                                chcp 65001
                                                                17⤵
                                                                  PID:1668
                                                                • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                                  "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                                  17⤵
                                                                    PID:3744
                                                                    • C:\Windows\system32\cmd.exe
                                                                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Q4yxiaTUvWji.bat" "
                                                                      18⤵
                                                                      • Executes a command shell one-liner
                                                                      PID:3592
                                                                      • C:\Windows\system32\chcp.com
                                                                        chcp 65001
                                                                        19⤵
                                                                          PID:4448
                                                                        • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                                          "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                                          19⤵
                                                                            PID:2872
                                                                            • C:\Windows\system32\cmd.exe
                                                                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\6HDIdjFycFzS.bat" "
                                                                              20⤵
                                                                              • Executes a command shell one-liner
                                                                              PID:5468
                                                                              • C:\Windows\system32\chcp.com
                                                                                chcp 65001
                                                                                21⤵
                                                                                  PID:4132
                                                                                • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                                                  "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                                                  21⤵
                                                                                    PID:4224
                                                                                    • C:\Windows\system32\cmd.exe
                                                                                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\TVmeoZU4r3Qx.bat" "
                                                                                      22⤵
                                                                                      • Executes a command shell one-liner
                                                                                      PID:4236
                                                                                      • C:\Windows\system32\chcp.com
                                                                                        chcp 65001
                                                                                        23⤵
                                                                                          PID:5324
                                                                                        • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                                                          "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                                                          23⤵
                                                                                            PID:5876
                                                                                            • C:\Windows\system32\cmd.exe
                                                                                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\A2d9Nuv3X5Vv.bat" "
                                                                                              24⤵
                                                                                              • Executes a command shell one-liner
                                                                                              PID:848
                                                                                              • C:\Windows\system32\chcp.com
                                                                                                chcp 65001
                                                                                                25⤵
                                                                                                  PID:3040
                                                                                                • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                                                                  "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                                                                  25⤵
                                                                                                    PID:1404
                                                                                                    • C:\Windows\system32\cmd.exe
                                                                                                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\lCRw7vIrTuKJ.bat" "
                                                                                                      26⤵
                                                                                                      • Executes a command shell one-liner
                                                                                                      PID:3300
                                                                                                      • C:\Windows\system32\chcp.com
                                                                                                        chcp 65001
                                                                                                        27⤵
                                                                                                          PID:1456
                                                                                                        • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                                                                          "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                                                                          27⤵
                                                                                                            PID:4412
                                                                                                            • C:\Windows\system32\cmd.exe
                                                                                                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\jECCgEMwyfwg.bat" "
                                                                                                              28⤵
                                                                                                              • Executes a command shell one-liner
                                                                                                              PID:5376
                                                                                                              • C:\Windows\system32\chcp.com
                                                                                                                chcp 65001
                                                                                                                29⤵
                                                                                                                  PID:2208
                                                                                                                • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                                                                                  "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                                                                                  29⤵
                                                                                                                    PID:1656
                                                                                                                    • C:\Windows\system32\cmd.exe
                                                                                                                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\46zB1zrnFnbd.bat" "
                                                                                                                      30⤵
                                                                                                                      • Executes a command shell one-liner
                                                                                                                      PID:6008
                                                                                                                      • C:\Windows\system32\chcp.com
                                                                                                                        chcp 65001
                                                                                                                        31⤵
                                                                                                                          PID:2436
                                                                                                                        • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                                                                                          "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                                                                                          31⤵
                                                                                                                            PID:3044

                                                              Network

                                                                    MITRE ATT&CK Enterprise v16

                                                                    Replay Monitor

                                                                    Loading Replay Monitor...

                                                                    Downloads

                                                                    46zB1zrnFnbd.bat

                                                                    • Path C:\Users\Admin\AppData\Local\Temp\46zB1zrnFnbd.bat
                                                                    • Size 185B
                                                                    • SHA256 18f79f34f93943bab17a62dc399d6967b479772e0a11ca5b69c2fdbd6bd0480b
                                                                    • MD5 SHA1 SHA512 TLSH

                                                                    6HDIdjFycFzS.bat

                                                                    • Path C:\Users\Admin\AppData\Local\Temp\6HDIdjFycFzS.bat
                                                                    • Size 185B
                                                                    • SHA256 5a5cf34109e1e57545d87eb07e64474d73da56d25011610c4503f3e9cd5b41f2
                                                                    • MD5 SHA1 SHA512 TLSH

                                                                    A2d9Nuv3X5Vv.bat

                                                                    • Path C:\Users\Admin\AppData\Local\Temp\A2d9Nuv3X5Vv.bat
                                                                    • Size 185B
                                                                    • SHA256 2e87cb48e9941c11eb85348c78b24ae81c37b5bcdfea96c0ff7e360ea2924d6f
                                                                    • MD5 SHA1 SHA512 TLSH

                                                                    BRrCwlQEymo0.bat

                                                                    • Path C:\Users\Admin\AppData\Local\Temp\BRrCwlQEymo0.bat
                                                                    • Size 185B
                                                                    • SHA256 26eea40f96793f9e6ce411c22e2c7ce8aebbfb6805613e2dc67c6094d098dd2b
                                                                    • MD5 SHA1 SHA512 TLSH

                                                                    MTexPa9HIy06.bat

                                                                    • Path C:\Users\Admin\AppData\Local\Temp\MTexPa9HIy06.bat
                                                                    • Size 185B
                                                                    • SHA256 be789f5b22207402ea83cf3b4b18d82dd7cfa78a502dc576df277b2e8bb5a96e
                                                                    • MD5 SHA1 SHA512 TLSH

                                                                    Q4yxiaTUvWji.bat

                                                                    • Path C:\Users\Admin\AppData\Local\Temp\Q4yxiaTUvWji.bat
                                                                    • Size 185B
                                                                    • SHA256 67ace42e73d1a2f72081444e6562f4fd8b79ec9c5f58c6f0a03d70955fa7fa61
                                                                    • MD5 SHA1 SHA512 TLSH

                                                                    QRetcRXysDQd.bat

                                                                    • Path C:\Users\Admin\AppData\Local\Temp\QRetcRXysDQd.bat
                                                                    • Size 185B
                                                                    • SHA256 4851df597fee14964f3f11eba73e8d2ee48c189439c9ccc278f7e0a7ad8dd458
                                                                    • MD5 SHA1 SHA512 TLSH

                                                                    RXQJMJ2lPegF.bat

                                                                    • Path C:\Users\Admin\AppData\Local\Temp\RXQJMJ2lPegF.bat
                                                                    • Size 185B
                                                                    • SHA256 c814186d8137a34ad942940921c2fd49fb1252386b11f2f7a3c79890fc25eb45
                                                                    • MD5 SHA1 SHA512 TLSH

                                                                    TVmeoZU4r3Qx.bat

                                                                    • Path C:\Users\Admin\AppData\Local\Temp\TVmeoZU4r3Qx.bat
                                                                    • Size 185B
                                                                    • SHA256 2ba89c4ebc3f033a38eb166efd0ff99774b9f0b8f33e0bd3d138d92e1a7ee391
                                                                    • MD5 SHA1 SHA512 TLSH

                                                                    bb7RQ0oRsOvT.bat

                                                                    • Path C:\Users\Admin\AppData\Local\Temp\bb7RQ0oRsOvT.bat
                                                                    • Size 185B
                                                                    • SHA256 e03ed46840fba513c7be2260ad13933de556d58044126fcb07aafd3f7e071577
                                                                    • MD5 SHA1 SHA512 TLSH

                                                                    jECCgEMwyfwg.bat

                                                                    • Path C:\Users\Admin\AppData\Local\Temp\jECCgEMwyfwg.bat
                                                                    • Size 185B
                                                                    • SHA256 066277154775f9e2188f74505dbfd11b92e19764be313830225eca3254172bb3
                                                                    • MD5 SHA1 SHA512 TLSH

                                                                    jZFwUabjwEcH.bat

                                                                    • Path C:\Users\Admin\AppData\Local\Temp\jZFwUabjwEcH.bat
                                                                    • Size 185B
                                                                    • SHA256 8a14a4f38c076a9c336ae570e1a747c559018782181d2090964d7e86de8bb5a0
                                                                    • MD5 SHA1 SHA512 TLSH

                                                                    lCRw7vIrTuKJ.bat

                                                                    • Path C:\Users\Admin\AppData\Local\Temp\lCRw7vIrTuKJ.bat
                                                                    • Size 185B
                                                                    • SHA256 f93cbdfb8f3faf57fc57bffc97715a088430d1f2d8772b08e7b9fdd7f9f5178e
                                                                    • MD5 SHA1 SHA512 TLSH

                                                                    pTi5MgejvchV.bat

                                                                    • Path C:\Users\Admin\AppData\Local\Temp\pTi5MgejvchV.bat
                                                                    • Size 185B
                                                                    • SHA256 acb7d744d29ffa6275b0e829256818a83d58f260f964ff1bc94d8001bc534134
                                                                    • MD5 SHA1 SHA512 TLSH

                                                                    yvEVOtwzAvxw.bat

                                                                    • Path C:\Users\Admin\AppData\Local\Temp\yvEVOtwzAvxw.bat
                                                                    • Size 185B
                                                                    • SHA256 0e04738849ff92685eacc6c75c26939e07052ec7fcc749de82cd2ef2b84b344b
                                                                    • MD5 SHA1 SHA512 TLSH

                                                                    memory/1096-11-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

                                                                    memory/1096-6-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

                                                                    memory/1096-1-0x0000000000A90000-0x0000000000DBC000-memory.dmp

                                                                    memory/1096-2-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

                                                                    memory/1096-3-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

                                                                    memory/1096-5-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

                                                                    memory/1096-4-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

                                                                    memory/1096-14-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

                                                                    memory/1096-21-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

                                                                    memory/1096-7-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

                                                                    memory/1096-8-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

                                                                    memory/1096-10-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

                                                                    memory/1096-9-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

                                                                    memory/1096-0-0x00007FFE2A8EF000-0x00007FFE2A8F0000-memory.dmp

                                                                    memory/1096-12-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

                                                                    memory/1096-13-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

                                                                    memory/4208-29-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

                                                                    memory/4208-43-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

                                                                    memory/4208-36-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

                                                                    memory/4208-35-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

                                                                    memory/4208-34-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

                                                                    memory/4208-33-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

                                                                    memory/4208-32-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

                                                                    memory/4208-31-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

                                                                    memory/4208-30-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

                                                                    memory/4208-28-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

                                                                    memory/4208-27-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

                                                                    memory/4208-26-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

                                                                    memory/4208-25-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

                                                                    memory/4208-24-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

                                                                    memory/4208-23-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp