Analysis

  • max time kernel
    5s
  • max time network
    144s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/10/2026, 07:27

General

  • Target
    dkmm qh.exe
  • Size 3.1MB
  • Sample261028-jagh2aff73
  • SHA256 de0ec5089d43d47914a08086059d927e19d9f4ea9f4f2fec8325158f58ef3643
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • quasar

Version
  • 1.4.1

Botnet
  • OK365 Client

C2
  • qh88si.com:443

  • qh88eu.com:443

  • qh88.casino:443

  • qh88eu.com:80

  • eh88eu.com:8080

  • qh88si.com:80

  • qh88si.com:8080

  • qh88.casino:8080

  • qh88.casino:80

Mutex
  • 3cb6f7ce-f521-4677-b078-01e1d892b28d

Attributes
  • encryption_key

    71514463CA895B84E7E6B4A4FC68A8243476E095

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    100

  • startup_key

    dkmm

  • subdirectory

    SubDir

Signatures

  • Family: Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Executes a command shell one-liner 1 TTPs 10 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 10 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 10 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 11 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\dkmm qh.exe
    "C:\Users\Admin\AppData\Local\Temp\dkmm qh.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5052
    • C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /create /tn "dkmm" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:3348
    • C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
      "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2020
  • C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
    C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:5996
    • C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /create /tn "dkmm" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:3020
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\3JzJvKgKjczA.bat" "
      2⤵
      • Executes a command shell one-liner
      PID:2440
      • C:\Windows\system32\chcp.com
        chcp 65001
        3⤵
          PID:5148
        • C:\Windows\system32\PING.EXE
          ping -n 10 localhost
          3⤵
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2464
        • C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
          3⤵
            PID:928
            • C:\Windows\SYSTEM32\schtasks.exe
              "schtasks" /create /tn "dkmm" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
              4⤵
              • Scheduled Task/Job: Scheduled Task
              PID:3840
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\nsfTbkS29vZm.bat" "
              4⤵
              • Executes a command shell one-liner
              PID:1904
              • C:\Windows\system32\chcp.com
                chcp 65001
                5⤵
                  PID:4588
                • C:\Windows\system32\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2640
                • C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
                  5⤵
                    PID:1716
                    • C:\Windows\SYSTEM32\schtasks.exe
                      "schtasks" /create /tn "dkmm" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
                      6⤵
                      • Scheduled Task/Job: Scheduled Task
                      PID:5508
                    • C:\Windows\system32\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1Qoi1kjl6A9J.bat" "
                      6⤵
                      • Executes a command shell one-liner
                      PID:5540
                      • C:\Windows\system32\chcp.com
                        chcp 65001
                        7⤵
                          PID:2000
                        • C:\Windows\system32\PING.EXE
                          ping -n 10 localhost
                          7⤵
                          • System Network Configuration Discovery: Internet Connection Discovery
                          • Runs ping.exe
                          PID:4880
                        • C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
                          "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
                          7⤵
                            PID:1624
                            • C:\Windows\SYSTEM32\schtasks.exe
                              "schtasks" /create /tn "dkmm" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
                              8⤵
                              • Scheduled Task/Job: Scheduled Task
                              PID:3304
                            • C:\Windows\system32\cmd.exe
                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\maPFhZDf3Moo.bat" "
                              8⤵
                              • Executes a command shell one-liner
                              PID:5840
                              • C:\Windows\system32\chcp.com
                                chcp 65001
                                9⤵
                                  PID:3436
                                • C:\Windows\system32\PING.EXE
                                  ping -n 10 localhost
                                  9⤵
                                  • System Network Configuration Discovery: Internet Connection Discovery
                                  • Runs ping.exe
                                  PID:1692
                                • C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
                                  "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
                                  9⤵
                                    PID:5968
                                    • C:\Windows\SYSTEM32\schtasks.exe
                                      "schtasks" /create /tn "dkmm" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
                                      10⤵
                                      • Scheduled Task/Job: Scheduled Task
                                      PID:420
                                    • C:\Windows\system32\cmd.exe
                                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\K9VnM5nmKVi7.bat" "
                                      10⤵
                                      • Executes a command shell one-liner
                                      PID:5412
                                      • C:\Windows\system32\chcp.com
                                        chcp 65001
                                        11⤵
                                          PID:3844
                                        • C:\Windows\system32\PING.EXE
                                          ping -n 10 localhost
                                          11⤵
                                          • System Network Configuration Discovery: Internet Connection Discovery
                                          • Runs ping.exe
                                          PID:976
                                        • C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
                                          "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
                                          11⤵
                                            PID:1088
                                            • C:\Windows\SYSTEM32\schtasks.exe
                                              "schtasks" /create /tn "dkmm" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
                                              12⤵
                                              • Scheduled Task/Job: Scheduled Task
                                              PID:5344
                                            • C:\Windows\system32\cmd.exe
                                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\kagPWc65g3nT.bat" "
                                              12⤵
                                              • Executes a command shell one-liner
                                              PID:3428
                                              • C:\Windows\system32\chcp.com
                                                chcp 65001
                                                13⤵
                                                  PID:1828
                                                • C:\Windows\system32\PING.EXE
                                                  ping -n 10 localhost
                                                  13⤵
                                                  • System Network Configuration Discovery: Internet Connection Discovery
                                                  • Runs ping.exe
                                                  PID:4484
                                                • C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
                                                  "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
                                                  13⤵
                                                    PID:4856
                                                    • C:\Windows\SYSTEM32\schtasks.exe
                                                      "schtasks" /create /tn "dkmm" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
                                                      14⤵
                                                      • Scheduled Task/Job: Scheduled Task
                                                      PID:5936
                                                    • C:\Windows\system32\cmd.exe
                                                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\FV2Og0VnMFKZ.bat" "
                                                      14⤵
                                                      • Executes a command shell one-liner
                                                      PID:6080
                                                      • C:\Windows\system32\chcp.com
                                                        chcp 65001
                                                        15⤵
                                                          PID:4280
                                                        • C:\Windows\system32\PING.EXE
                                                          ping -n 10 localhost
                                                          15⤵
                                                          • System Network Configuration Discovery: Internet Connection Discovery
                                                          • Runs ping.exe
                                                          PID:2896
                                                        • C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
                                                          "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
                                                          15⤵
                                                            PID:4000
                                                            • C:\Windows\SYSTEM32\schtasks.exe
                                                              "schtasks" /create /tn "dkmm" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
                                                              16⤵
                                                              • Scheduled Task/Job: Scheduled Task
                                                              PID:4292
                                                            • C:\Windows\system32\cmd.exe
                                                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\jG88UVRih9h8.bat" "
                                                              16⤵
                                                              • Executes a command shell one-liner
                                                              PID:4876
                                                              • C:\Windows\system32\chcp.com
                                                                chcp 65001
                                                                17⤵
                                                                  PID:4164
                                                                • C:\Windows\system32\PING.EXE
                                                                  ping -n 10 localhost
                                                                  17⤵
                                                                  • System Network Configuration Discovery: Internet Connection Discovery
                                                                  • Runs ping.exe
                                                                  PID:4216
                                                                • C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
                                                                  "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
                                                                  17⤵
                                                                    PID:5028
                                                                    • C:\Windows\SYSTEM32\schtasks.exe
                                                                      "schtasks" /create /tn "dkmm" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
                                                                      18⤵
                                                                      • Scheduled Task/Job: Scheduled Task
                                                                      PID:5800
                                                                    • C:\Windows\system32\cmd.exe
                                                                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\nfgwoihtr36x.bat" "
                                                                      18⤵
                                                                      • Executes a command shell one-liner
                                                                      PID:4136
                                                                      • C:\Windows\system32\chcp.com
                                                                        chcp 65001
                                                                        19⤵
                                                                          PID:3332
                                                                        • C:\Windows\system32\PING.EXE
                                                                          ping -n 10 localhost
                                                                          19⤵
                                                                          • System Network Configuration Discovery: Internet Connection Discovery
                                                                          • Runs ping.exe
                                                                          PID:2684
                                                                        • C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
                                                                          "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
                                                                          19⤵
                                                                            PID:784
                                                                            • C:\Windows\SYSTEM32\schtasks.exe
                                                                              "schtasks" /create /tn "dkmm" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
                                                                              20⤵
                                                                              • Scheduled Task/Job: Scheduled Task
                                                                              PID:3760
                                                                            • C:\Windows\system32\cmd.exe
                                                                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\xqDd3LqSrnst.bat" "
                                                                              20⤵
                                                                              • Executes a command shell one-liner
                                                                              PID:2636
                                                                              • C:\Windows\system32\chcp.com
                                                                                chcp 65001
                                                                                21⤵
                                                                                  PID:4180
                                                                                • C:\Windows\system32\PING.EXE
                                                                                  ping -n 10 localhost
                                                                                  21⤵
                                                                                  • System Network Configuration Discovery: Internet Connection Discovery
                                                                                  • Runs ping.exe
                                                                                  PID:4728

                                        Network

                                              MITRE ATT&CK Enterprise v16

                                              Replay Monitor

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                                              Downloads

                                              1Qoi1kjl6A9J.bat

                                              • Path C:\Users\Admin\AppData\Local\Temp\1Qoi1kjl6A9J.bat
                                              • Size 207B
                                              • SHA256 3e1c9914934dcdb4de3b12ef90724313245aa2bb465f413d92a34f582a904eeb
                                              • MD5 SHA1 SHA512 TLSH

                                              3JzJvKgKjczA.bat

                                              • Path C:\Users\Admin\AppData\Local\Temp\3JzJvKgKjczA.bat
                                              • Size 207B
                                              • SHA256 e67098bb750a6c67a3bbb96fbfc44cf975507d68ce135932ab3bbf041883d7d7
                                              • MD5 SHA1 SHA512 TLSH

                                              FV2Og0VnMFKZ.bat

                                              • Path C:\Users\Admin\AppData\Local\Temp\FV2Og0VnMFKZ.bat
                                              • Size 207B
                                              • SHA256 9cb9e1677e8720f77f674c50c15ff849551544d225d1c8b5d2f23f11849c5a22
                                              • MD5 SHA1 SHA512 TLSH

                                              K9VnM5nmKVi7.bat

                                              • Path C:\Users\Admin\AppData\Local\Temp\K9VnM5nmKVi7.bat
                                              • Size 207B
                                              • SHA256 8d962c6f3880b23b53710f5541ebdf6dc7715390c9f5ad84b7cca59208751fb8
                                              • MD5 SHA1 SHA512 TLSH

                                              jG88UVRih9h8.bat

                                              • Path C:\Users\Admin\AppData\Local\Temp\jG88UVRih9h8.bat
                                              • Size 207B
                                              • SHA256 3f81e0acf884a7f55d7033a381e7e913b037b5543eca53355982ab580fba8733
                                              • MD5 SHA1 SHA512 TLSH

                                              kagPWc65g3nT.bat

                                              • Path C:\Users\Admin\AppData\Local\Temp\kagPWc65g3nT.bat
                                              • Size 207B
                                              • SHA256 8290d68214c63237e29e9b47ad75f0fe6f58af743c2065bf639c6b1de9ad08f1
                                              • MD5 SHA1 SHA512 TLSH

                                              maPFhZDf3Moo.bat

                                              • Path C:\Users\Admin\AppData\Local\Temp\maPFhZDf3Moo.bat
                                              • Size 207B
                                              • SHA256 17246012d38864bf7060508ce4c9eff6be9d38e163d92e3171699ae689d679d1
                                              • MD5 SHA1 SHA512 TLSH

                                              nfgwoihtr36x.bat

                                              • Path C:\Users\Admin\AppData\Local\Temp\nfgwoihtr36x.bat
                                              • Size 207B
                                              • SHA256 3adf36349dd6f7c2717ad60a4dbcb014f280da1864719479cf4c3086df7012fb
                                              • MD5 SHA1 SHA512 TLSH

                                              nsfTbkS29vZm.bat

                                              • Path C:\Users\Admin\AppData\Local\Temp\nsfTbkS29vZm.bat
                                              • Size 207B
                                              • SHA256 3e38f4a5765b6ab3cb78fddd042d9af1cb74fa72445c530d56771eea8909ce62
                                              • MD5 SHA1 SHA512 TLSH

                                              xqDd3LqSrnst.bat

                                              • Path C:\Users\Admin\AppData\Local\Temp\xqDd3LqSrnst.bat
                                              • Size 207B
                                              • SHA256 7b72561de7bbf71abe5a5fc88b06b9b1137bef9c6e67035497d9a1c62df4a5de
                                              • MD5 SHA1 SHA512 TLSH

                                              Client.exe

                                              • Path C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
                                              • Size 3.1MB
                                              • SHA256 de0ec5089d43d47914a08086059d927e19d9f4ea9f4f2fec8325158f58ef3643
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              memory/2020-29-0x00007FFC88E10000-0x00007FFC897B4000-memory.dmp

                                              memory/2020-26-0x00007FFC88E10000-0x00007FFC897B4000-memory.dmp

                                              memory/2020-25-0x00007FFC88E10000-0x00007FFC897B4000-memory.dmp

                                              memory/2020-24-0x00007FFC88E10000-0x00007FFC897B4000-memory.dmp

                                              memory/2020-22-0x00007FFC88E10000-0x00007FFC897B4000-memory.dmp

                                              memory/2020-17-0x00007FFC88E10000-0x00007FFC897B4000-memory.dmp

                                              memory/2020-18-0x00007FFC88E10000-0x00007FFC897B4000-memory.dmp

                                              memory/2020-19-0x00007FFC88E10000-0x00007FFC897B4000-memory.dmp

                                              memory/2020-20-0x00007FFC88E10000-0x00007FFC897B4000-memory.dmp

                                              memory/2020-23-0x00007FFC88E10000-0x00007FFC897B4000-memory.dmp

                                              memory/5052-9-0x00007FFC88E10000-0x00007FFC897B4000-memory.dmp

                                              memory/5052-5-0x00007FFC88E10000-0x00007FFC897B4000-memory.dmp

                                              memory/5052-14-0x00007FFC88E10000-0x00007FFC897B4000-memory.dmp

                                              memory/5052-13-0x00007FFC88E10000-0x00007FFC897B4000-memory.dmp

                                              memory/5052-12-0x00007FFC88E10000-0x00007FFC897B4000-memory.dmp

                                              memory/5052-1-0x0000000000300000-0x0000000000624000-memory.dmp

                                              memory/5052-2-0x00007FFC88E10000-0x00007FFC897B4000-memory.dmp

                                              memory/5052-11-0x00007FFC88E10000-0x00007FFC897B4000-memory.dmp

                                              memory/5052-10-0x00007FFC88E10000-0x00007FFC897B4000-memory.dmp

                                              memory/5052-0-0x00007FFC88F9F000-0x00007FFC88FA0000-memory.dmp

                                              memory/5052-8-0x00007FFC88E10000-0x00007FFC897B4000-memory.dmp

                                              memory/5052-7-0x00007FFC88E10000-0x00007FFC897B4000-memory.dmp

                                              memory/5052-6-0x00007FFC88E10000-0x00007FFC897B4000-memory.dmp

                                              memory/5052-16-0x00007FFC88E10000-0x00007FFC897B4000-memory.dmp

                                              memory/5052-4-0x00007FFC88E10000-0x00007FFC897B4000-memory.dmp

                                              memory/5052-3-0x00007FFC88E10000-0x00007FFC897B4000-memory.dmp

                                              memory/5996-27-0x0000000002C90000-0x0000000002CE0000-memory.dmp

                                              memory/5996-28-0x000000001C850000-0x000000001C902000-memory.dmp