Analysis

  • max time kernel
    149s
  • max time network
    127s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    19/07/2026, 17:16

General

  • Target
    2026-07-19_1d48ecd78be8fa4901f35d554dab215a_akira_quasar-rat.exe
  • Size 7.9MB
  • Sample260719-vs4basas3w
  • SHA256 1697ef8be7322cd61763ef8a1fc727ea6f055265fb1f1022c003ced8679aa98b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 4 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers 4 IoCs
  • Detects executables containing SQL queries to confidential data stores. Observed in infostealers 4 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, crypt 4 IoCs
  • Executes dropped EXE 5 IoCs
  • Reads ssh keys stored on the system 2 TTPs

    Tries to access SSH used by SSH programs.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 2 IoCs
  • Gathers system information 1 TTPs 1 IoCs

    Runs systeminfo.exe.

  • Kills process with taskkill 1 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-19_1d48ecd78be8fa4901f35d554dab215a_akira_quasar-rat.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-19_1d48ecd78be8fa4901f35d554dab215a_akira_quasar-rat.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3452
    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Update\winsvc.dll
      C:\Users\Admin\AppData\Local\Microsoft\Windows\Update\winsvc.dll
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2208
      • C:\Users\Admin\AppData\Local\Temp\system_diag.exe
        "C:\Users\Admin\AppData\Local\Temp\system_diag.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1332
        • C:\Users\Admin\AppData\Local\Temp\elv_c46ab062-04b0-41af-a135-6e0bbde8da74.exe
          "C:\Users\Admin\AppData\Local\Temp\elv_c46ab062-04b0-41af-a135-6e0bbde8da74.exe" chrome -o temp_abe_output\chrome -v -f
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2436
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe"
            5⤵
              PID:1220
          • C:\Users\Admin\AppData\Local\Temp\elv_c46ab062-04b0-41af-a135-6e0bbde8da74.exe
            "C:\Users\Admin\AppData\Local\Temp\elv_c46ab062-04b0-41af-a135-6e0bbde8da74.exe" edge -o temp_abe_output\edge -v -f
            4⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:2024
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
              5⤵
                PID:5936
            • C:\Users\Admin\AppData\Local\Temp\elv_c46ab062-04b0-41af-a135-6e0bbde8da74.exe
              "C:\Users\Admin\AppData\Local\Temp\elv_c46ab062-04b0-41af-a135-6e0bbde8da74.exe" brave -o temp_abe_output\brave -v -f
              4⤵
              • Executes dropped EXE
              PID:5748
            • C:\Windows\system32\systeminfo.exe
              "systeminfo"
              4⤵
              • Gathers system information
              PID:4408
            • C:\Windows\system32\tasklist.exe
              "tasklist"
              4⤵
              • Enumerates processes with tasklist
              • Suspicious use of AdjustPrivilegeToken
              PID:2460
            • C:\Windows\system32\cmd.exe
              "cmd" /C C:\Users\Admin\AppData\Local\Temp\sd_7f1747d5-8a3b-4152-ae47-1d639abe48d3.bat
              4⤵
              • Executes a command shell one-liner
              • Suspicious use of WriteProcessMemory
              PID:3024
              • C:\Windows\system32\chcp.com
                chcp 65001
                5⤵
                  PID:1536
                • C:\Windows\system32\timeout.exe
                  timeout /t 1 /nobreak
                  5⤵
                  • Delays execution with timeout.exe
                  PID:4716
                • C:\Windows\system32\cmd.exe
                  C:\Windows\system32\cmd.exe /c tasklist /fi "IMAGENAME eq system_diag*" /fo csv | findstr /i "system_diag"
                  5⤵
                  • Executes a command shell one-liner
                  • Suspicious use of WriteProcessMemory
                  PID:3152
                  • C:\Windows\system32\tasklist.exe
                    tasklist /fi "IMAGENAME eq system_diag*" /fo csv
                    6⤵
                    • Enumerates processes with tasklist
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1740
                  • C:\Windows\system32\findstr.exe
                    findstr /i "system_diag"
                    6⤵
                      PID:4676
                  • C:\Windows\system32\taskkill.exe
                    taskkill /F /PID K"
                    5⤵
                    • Kills process with taskkill
                    • Suspicious use of AdjustPrivilegeToken
                    PID:5748
                  • C:\Windows\system32\timeout.exe
                    timeout /t 2 /nobreak
                    5⤵
                    • Delays execution with timeout.exe
                    PID:1220
          • C:\Windows\System32\rundll32.exe
            C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
            1⤵
              PID:1248
            • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
              "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
              1⤵
                PID:4336
              • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
                "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
                1⤵
                  PID:3372

                Network

                      MITRE ATT&CK Enterprise v16

                      Replay Monitor

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                      Downloads

                      winsvc.dll

                      • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Update\winsvc.dll
                      • Size 8.0MB
                      • SHA256 eb07d9ac7f4c29f313df32e17efe4c6ec84ebc90204a9d2f7d67760974b21689
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      elv_c46ab062-04b0-41af-a135-6e0bbde8da74.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\elv_c46ab062-04b0-41af-a135-6e0bbde8da74.exe
                      • Size 1.4MB
                      • SHA256 671cdb4073a267455050b240df9bafbcf857db2052c578a899ac91707c3bef16
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      sd_7f1747d5-8a3b-4152-ae47-1d639abe48d3.bat

                      • Path C:\Users\Admin\AppData\Local\Temp\sd_7f1747d5-8a3b-4152-ae47-1d639abe48d3.bat
                      • Size 756B
                      • SHA256 9ba3d872c95e5e44087817e4f8e82e7cc3632e498d3b5120e47b1ac4088f355e
                      • MD5 SHA1 SHA512 TLSH

                      system_diag.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\system_diag.exe
                      • Size 7.7MB
                      • SHA256 6fa6e401088abaae31768210f171dfae8247a921b27dc9709a18cd76b72c0027
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      stealer_debug.txt

                      • Path C:\Users\Admin\Desktop\stealer_debug.txt
                      • Size 631B
                      • SHA256 47951edb37bad20d6324f0d92df7ab4d53233dc580471b539c6749e0f8615569
                      • MD5 SHA1 SHA512 TLSH

                      stealer_debug.txt

                      • Path C:\Users\Admin\Desktop\stealer_debug.txt
                      • Size 6KB
                      • SHA256 c797f7878d2a6d8094b108fd8c97cf25fd98750f61f474ac242c2bfea922972d
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      stealer_debug.txt

                      • Path C:\Users\Admin\Desktop\stealer_debug.txt
                      • Size 1KB
                      • SHA256 a047685ae31b1975c5cbb3b5145cc91a85391fb66a27ce7c0efe48441990d837
                      • MD5 SHA1 SHA512 TLSH

                      stealer_debug.txt

                      • Path C:\Users\Admin\Desktop\stealer_debug.txt
                      • Size 2KB
                      • SHA256 62488151f91b3440125dfe87470cb613ec225f1c3548547521b39169bd1b2aa7
                      • MD5 SHA1 SHA512 TLSH

                      BACKUP_LOG.txt

                      • Path C:\Users\Admin\logs\BACKUP_LOG.txt
                      • Size 5KB
                      • SHA256 a638765bfa81fbee7006a3639ff1c659e50930f767c928cdc9bf9feb984cb679
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      BACKUP_LOG.txt

                      • Path C:\Users\Admin\logs\BACKUP_LOG.txt
                      • Size 1KB
                      • SHA256 0162e8733af6767147fd7a66bf11f199310b34b4564a50e8269d881c099e5c3c
                      • MD5 SHA1 SHA512 TLSH

                      BACKUP_LOG.txt

                      • Path C:\Users\Admin\logs\BACKUP_LOG.txt
                      • Size 1KB
                      • SHA256 56755c0f0c27441ce5f624fb444dd0f9011f54d6b410405a98c6055312112313
                      • MD5 SHA1 SHA512 TLSH

                      stealer_early_debug.txt

                      • Path C:\Users\Admin\stealer_early_debug.txt
                      • Size 444B
                      • SHA256 029aa8656bef11e0e3240662872c91eba39c83344e6ab6c05411696dd14344af
                      • MD5 SHA1 SHA512 TLSH

                      fingerprint.json

                      • Path C:\Users\Admin\temp_abe_output\chrome\Chrome\fingerprint.json
                      • Size 868B
                      • SHA256 e7aba34c55e18be51949d595825015e9b6070cb3a0d60189e8204d15660fd8b9
                      • MD5 SHA1 SHA512 TLSH

                      memory/1332-83-0x00007FF643170000-0x00007FF64391E000-memory.dmp

                      memory/1332-247-0x00007FF643170000-0x00007FF64391E000-memory.dmp

                      memory/1332-396-0x00007FF643170000-0x00007FF64391E000-memory.dmp

                      memory/2208-62-0x00007FF75D2D0000-0x00007FF75DAD4000-memory.dmp

                      memory/2208-397-0x00007FF75D2D0000-0x00007FF75DAD4000-memory.dmp

                      memory/3452-61-0x00007FF701470000-0x00007FF701C5E000-memory.dmp