Analysis

  • max time kernel
    59s
  • max time network
    64s
  • 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, 03:16

General

  • Target
    messenger_update.exe
  • Size 3.1MB
  • Sample260725-dse52ayfle
  • SHA256 d0f1227b1a363081126ff63e603a98edfd5cebe7f9daaeae12b91f1c9e919921
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • quasar

Version
  • 1.4.1

Botnet
  • pingping

C2
  • quickgpt.io

  • malware.quickgpt.io

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:3176
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\cjy8na2QJXrR.bat" "
      2⤵
      • Executes a command shell one-liner
      PID:2900
      • C:\Windows\system32\chcp.com
        chcp 65001
        3⤵
          PID:848
        • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
          "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
          3⤵
            PID:4344
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\emGUnPMRF10M.bat" "
              4⤵
              • Executes a command shell one-liner
              PID:3648
              • C:\Windows\system32\chcp.com
                chcp 65001
                5⤵
                  PID:5932
                • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                  "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                  5⤵
                    PID:5456
                    • C:\Windows\system32\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ThJaY9yt6cvq.bat" "
                      6⤵
                      • Executes a command shell one-liner
                      PID:248
                      • C:\Windows\system32\chcp.com
                        chcp 65001
                        7⤵
                          PID:4432
                        • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                          "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                          7⤵
                            PID:5108
                            • C:\Windows\system32\cmd.exe
                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\en8rWqRaeFWY.bat" "
                              8⤵
                              • Executes a command shell one-liner
                              PID:1612
                              • C:\Windows\system32\chcp.com
                                chcp 65001
                                9⤵
                                  PID:1220
                                • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                  "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                  9⤵
                                    PID:964
                                    • C:\Windows\system32\cmd.exe
                                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Mh7xUEImJQv4.bat" "
                                      10⤵
                                      • Executes a command shell one-liner
                                      PID:3468
                                      • C:\Windows\system32\chcp.com
                                        chcp 65001
                                        11⤵
                                          PID:1540
                                        • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                          "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                          11⤵
                                            PID:4888
                                            • C:\Windows\system32\cmd.exe
                                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RF7Xg5CC0vt5.bat" "
                                              12⤵
                                              • Executes a command shell one-liner
                                              PID:2480
                                              • C:\Windows\system32\chcp.com
                                                chcp 65001
                                                13⤵
                                                  PID:2932
                                                • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                  "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                  13⤵
                                                    PID:2244
                                                    • C:\Windows\system32\cmd.exe
                                                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\t2Pijtjo2RkG.bat" "
                                                      14⤵
                                                      • Executes a command shell one-liner
                                                      PID:4092
                                                      • C:\Windows\system32\chcp.com
                                                        chcp 65001
                                                        15⤵
                                                          PID:3268
                                                        • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                          "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                          15⤵
                                                            PID:4800
                                                            • C:\Windows\system32\cmd.exe
                                                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ETcQ2cBaiUBG.bat" "
                                                              16⤵
                                                              • Executes a command shell one-liner
                                                              PID:1028
                                                              • C:\Windows\system32\chcp.com
                                                                chcp 65001
                                                                17⤵
                                                                  PID:5956
                                                                • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                                  "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                                  17⤵
                                                                    PID:5860
                                                                    • C:\Windows\system32\cmd.exe
                                                                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ufKA8ha7AZ1X.bat" "
                                                                      18⤵
                                                                      • Executes a command shell one-liner
                                                                      PID:2360
                                                                      • C:\Windows\system32\chcp.com
                                                                        chcp 65001
                                                                        19⤵
                                                                          PID:2260
                                                                        • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                                          "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                                          19⤵
                                                                            PID:3560
                                                                            • C:\Windows\system32\cmd.exe
                                                                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\6JkQHSNgMVw8.bat" "
                                                                              20⤵
                                                                              • Executes a command shell one-liner
                                                                              PID:2952
                                                                              • C:\Windows\system32\chcp.com
                                                                                chcp 65001
                                                                                21⤵
                                                                                  PID:4084
                                                                                • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                                                  "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                                                  21⤵
                                                                                    PID:4464
                                                                                    • C:\Windows\system32\cmd.exe
                                                                                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\YV8aGJCZxv4s.bat" "
                                                                                      22⤵
                                                                                      • Executes a command shell one-liner
                                                                                      PID:3692
                                                                                      • C:\Windows\system32\chcp.com
                                                                                        chcp 65001
                                                                                        23⤵
                                                                                          PID:5840
                                                                                        • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                                                          "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                                                          23⤵
                                                                                            PID:1812
                                                                                            • C:\Windows\system32\cmd.exe
                                                                                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2uhANQ2xaDCy.bat" "
                                                                                              24⤵
                                                                                              • Executes a command shell one-liner
                                                                                              PID:2084
                                                                                              • C:\Windows\system32\chcp.com
                                                                                                chcp 65001
                                                                                                25⤵
                                                                                                  PID:2680
                                                                                                • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                                                                  "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                                                                  25⤵
                                                                                                    PID:3248
                                                                                                    • C:\Windows\system32\cmd.exe
                                                                                                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Jws5AxdPsKEb.bat" "
                                                                                                      26⤵
                                                                                                      • Executes a command shell one-liner
                                                                                                      PID:2000
                                                                                                      • C:\Windows\system32\chcp.com
                                                                                                        chcp 65001
                                                                                                        27⤵
                                                                                                          PID:1860
                                                                                                        • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                                                                          "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                                                                          27⤵
                                                                                                            PID:1528
                                                                                                            • C:\Windows\system32\cmd.exe
                                                                                                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\iGn6RDmstTPK.bat" "
                                                                                                              28⤵
                                                                                                              • Executes a command shell one-liner
                                                                                                              PID:6052
                                                                                                              • C:\Windows\system32\chcp.com
                                                                                                                chcp 65001
                                                                                                                29⤵
                                                                                                                  PID:6088
                                                                                                                • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                                                                                  "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                                                                                  29⤵
                                                                                                                    PID:3276
                                                                                                                    • C:\Windows\system32\cmd.exe
                                                                                                                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\j0tpGaEiOOWv.bat" "
                                                                                                                      30⤵
                                                                                                                      • Executes a command shell one-liner
                                                                                                                      PID:4876
                                                                                                                      • C:\Windows\system32\chcp.com
                                                                                                                        chcp 65001
                                                                                                                        31⤵
                                                                                                                          PID:2592
                                                                                                                        • C:\Users\Admin\AppData\Local\Temp\messenger_update.exe
                                                                                                                          "C:\Users\Admin\AppData\Local\Temp\messenger_update.exe"
                                                                                                                          31⤵
                                                                                                                            PID:4156

                                                              Network

                                                                    MITRE ATT&CK Enterprise v16

                                                                    Replay Monitor

                                                                    Loading Replay Monitor...

                                                                    Downloads

                                                                    2uhANQ2xaDCy.bat

                                                                    • Path C:\Users\Admin\AppData\Local\Temp\2uhANQ2xaDCy.bat
                                                                    • Size 185B
                                                                    • SHA256 99f45f3c344debc1641050a4dc395d90841c3b1408df0a8057684bc78836b1b8
                                                                    • MD5 SHA1 SHA512 TLSH

                                                                    6JkQHSNgMVw8.bat

                                                                    • Path C:\Users\Admin\AppData\Local\Temp\6JkQHSNgMVw8.bat
                                                                    • Size 185B
                                                                    • SHA256 3744e93b7317df52e20173cd8bba66c507bc630773475e50d39a87500262be45
                                                                    • MD5 SHA1 SHA512 TLSH

                                                                    ETcQ2cBaiUBG.bat

                                                                    • Path C:\Users\Admin\AppData\Local\Temp\ETcQ2cBaiUBG.bat
                                                                    • Size 185B
                                                                    • SHA256 8dfab298519a0fe280526219ff82b2b7612529d7edc1d670d94a071df8671f1e
                                                                    • MD5 SHA1 SHA512 TLSH

                                                                    Jws5AxdPsKEb.bat

                                                                    • Path C:\Users\Admin\AppData\Local\Temp\Jws5AxdPsKEb.bat
                                                                    • Size 185B
                                                                    • SHA256 6b916bfac8461c95211e48ba0cb2a912ae5d18477fda7de578cc214fe1e66b50
                                                                    • MD5 SHA1 SHA512 TLSH

                                                                    Mh7xUEImJQv4.bat

                                                                    • Path C:\Users\Admin\AppData\Local\Temp\Mh7xUEImJQv4.bat
                                                                    • Size 185B
                                                                    • SHA256 40787ee3ee6f19ba929df3f1c4ad5b71719847193064040560f3611f0ab54ba4
                                                                    • MD5 SHA1 SHA512 TLSH

                                                                    RF7Xg5CC0vt5.bat

                                                                    • Path C:\Users\Admin\AppData\Local\Temp\RF7Xg5CC0vt5.bat
                                                                    • Size 185B
                                                                    • SHA256 d24ad5a28906c91aaf252b458ee9fd7784bc8a7add45a7fe57fd54e80a8bbb2e
                                                                    • MD5 SHA1 SHA512 TLSH

                                                                    ThJaY9yt6cvq.bat

                                                                    • Path C:\Users\Admin\AppData\Local\Temp\ThJaY9yt6cvq.bat
                                                                    • Size 185B
                                                                    • SHA256 1a77da76958a3fbb3f4e182935b49ce59ccc651381caa0ffe411b0ca5b61cdeb
                                                                    • MD5 SHA1 SHA512 TLSH

                                                                    YV8aGJCZxv4s.bat

                                                                    • Path C:\Users\Admin\AppData\Local\Temp\YV8aGJCZxv4s.bat
                                                                    • Size 185B
                                                                    • SHA256 9c38bfffd32af0b0e7df433c89dc4e4d9f0d384de9cd0e98bdc374f4b0c42e1a
                                                                    • MD5 SHA1 SHA512 TLSH

                                                                    cjy8na2QJXrR.bat

                                                                    • Path C:\Users\Admin\AppData\Local\Temp\cjy8na2QJXrR.bat
                                                                    • Size 185B
                                                                    • SHA256 d60a8cd2a84b319e9f6217fec0b8986912354278dd7975c04715fa9b57ea6dc2
                                                                    • MD5 SHA1 SHA512 TLSH

                                                                    emGUnPMRF10M.bat

                                                                    • Path C:\Users\Admin\AppData\Local\Temp\emGUnPMRF10M.bat
                                                                    • Size 185B
                                                                    • SHA256 109678c4f80aeda052fbda183feb6857a3b7fbe1f11c1b70dfdadf659fdf1a5f
                                                                    • MD5 SHA1 SHA512 TLSH

                                                                    en8rWqRaeFWY.bat

                                                                    • Path C:\Users\Admin\AppData\Local\Temp\en8rWqRaeFWY.bat
                                                                    • Size 185B
                                                                    • SHA256 053a63a2eb0f3fbdcb63b6397a042961573108be46553a734376de0a41d93093
                                                                    • MD5 SHA1 SHA512 TLSH

                                                                    iGn6RDmstTPK.bat

                                                                    • Path C:\Users\Admin\AppData\Local\Temp\iGn6RDmstTPK.bat
                                                                    • Size 185B
                                                                    • SHA256 118ac74a223d1671e708ec25f112c0eee7bd7a7101cc39a0f0664393357760c5
                                                                    • MD5 SHA1 SHA512 TLSH

                                                                    j0tpGaEiOOWv.bat

                                                                    • Path C:\Users\Admin\AppData\Local\Temp\j0tpGaEiOOWv.bat
                                                                    • Size 185B
                                                                    • SHA256 e5b4c5e2c0f08e773e65d38970a9f11ef5a496d1ff7866454941ba0d082277a8
                                                                    • MD5 SHA1 SHA512 TLSH

                                                                    t2Pijtjo2RkG.bat

                                                                    • Path C:\Users\Admin\AppData\Local\Temp\t2Pijtjo2RkG.bat
                                                                    • Size 185B
                                                                    • SHA256 7c8df3368d3074c628d52fa554a4e1250613f077c09071607383fb0528db63f3
                                                                    • MD5 SHA1 SHA512 TLSH

                                                                    ufKA8ha7AZ1X.bat

                                                                    • Path C:\Users\Admin\AppData\Local\Temp\ufKA8ha7AZ1X.bat
                                                                    • Size 185B
                                                                    • SHA256 e9ea8575f4e5f9b38ab4babe14c225fd0cfd674cb7fda2544a6d2eb3754cb83c
                                                                    • MD5 SHA1 SHA512 TLSH

                                                                    memory/3176-11-0x00007FFD8D5C0000-0x00007FFD8DF64000-memory.dmp

                                                                    memory/3176-6-0x00007FFD8D5C0000-0x00007FFD8DF64000-memory.dmp

                                                                    memory/3176-1-0x0000000000A10000-0x0000000000D3C000-memory.dmp

                                                                    memory/3176-2-0x00007FFD8D5C0000-0x00007FFD8DF64000-memory.dmp

                                                                    memory/3176-3-0x00007FFD8D5C0000-0x00007FFD8DF64000-memory.dmp

                                                                    memory/3176-4-0x00007FFD8D5C0000-0x00007FFD8DF64000-memory.dmp

                                                                    memory/3176-5-0x00007FFD8D5C0000-0x00007FFD8DF64000-memory.dmp

                                                                    memory/3176-14-0x00007FFD8D5C0000-0x00007FFD8DF64000-memory.dmp

                                                                    memory/3176-22-0x00007FFD8D5C0000-0x00007FFD8DF64000-memory.dmp

                                                                    memory/3176-7-0x00007FFD8D5C0000-0x00007FFD8DF64000-memory.dmp

                                                                    memory/3176-8-0x00007FFD8D5C0000-0x00007FFD8DF64000-memory.dmp

                                                                    memory/3176-10-0x00007FFD8D5C0000-0x00007FFD8DF64000-memory.dmp

                                                                    memory/3176-9-0x00007FFD8D5C0000-0x00007FFD8DF64000-memory.dmp

                                                                    memory/3176-0-0x00007FFD8D74F000-0x00007FFD8D750000-memory.dmp

                                                                    memory/3176-12-0x00007FFD8D5C0000-0x00007FFD8DF64000-memory.dmp

                                                                    memory/3176-13-0x00007FFD8D5C0000-0x00007FFD8DF64000-memory.dmp

                                                                    memory/4344-30-0x00007FFD8D5C0000-0x00007FFD8DF64000-memory.dmp

                                                                    memory/4344-44-0x00007FFD8D5C0000-0x00007FFD8DF64000-memory.dmp

                                                                    memory/4344-36-0x00007FFD8D5C0000-0x00007FFD8DF64000-memory.dmp

                                                                    memory/4344-35-0x00007FFD8D5C0000-0x00007FFD8DF64000-memory.dmp

                                                                    memory/4344-34-0x00007FFD8D5C0000-0x00007FFD8DF64000-memory.dmp

                                                                    memory/4344-33-0x00007FFD8D5C0000-0x00007FFD8DF64000-memory.dmp

                                                                    memory/4344-32-0x00007FFD8D5C0000-0x00007FFD8DF64000-memory.dmp

                                                                    memory/4344-31-0x00007FFD8D5C0000-0x00007FFD8DF64000-memory.dmp

                                                                    memory/4344-29-0x00007FFD8D5C0000-0x00007FFD8DF64000-memory.dmp

                                                                    memory/4344-28-0x00007FFD8D5C0000-0x00007FFD8DF64000-memory.dmp

                                                                    memory/4344-27-0x00007FFD8D5C0000-0x00007FFD8DF64000-memory.dmp

                                                                    memory/4344-26-0x00007FFD8D5C0000-0x00007FFD8DF64000-memory.dmp

                                                                    memory/4344-25-0x00007FFD8D5C0000-0x00007FFD8DF64000-memory.dmp

                                                                    memory/4344-24-0x00007FFD8D5C0000-0x00007FFD8DF64000-memory.dmp

                                                                    memory/4344-23-0x00007FFD8D5C0000-0x00007FFD8DF64000-memory.dmp