Analysis

  • max time kernel
    148s
  • max time network
    133s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/07/2026, 00:41

General

  • Target
    2026-07-19_bce5b1b7ad79026afe362dd9b12f83bc_akira_quasar-rat.exe
  • Size 7.9MB
  • Sample260720-a1zymacy8x
  • SHA256 d9f33c73f3daab5dd2eb0f2066944253a7eb20e79562d39d0a6be21994e56927
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 7 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers 7 IoCs
  • Detects executables containing SQL queries to confidential data stores. Observed in infostealers 7 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, crypt 7 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.

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-19_bce5b1b7ad79026afe362dd9b12f83bc_akira_quasar-rat.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-19_bce5b1b7ad79026afe362dd9b12f83bc_akira_quasar-rat.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3656
    • 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:4864
      • 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:6044
        • C:\Users\Admin\AppData\Local\Temp\elv_d8b690a3-b8c4-4c25-811c-12258633c95e.exe
          "C:\Users\Admin\AppData\Local\Temp\elv_d8b690a3-b8c4-4c25-811c-12258633c95e.exe" chrome -o temp_abe_output\chrome -v -f
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2704
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe"
            5⤵
              PID:5464
          • C:\Users\Admin\AppData\Local\Temp\elv_d8b690a3-b8c4-4c25-811c-12258633c95e.exe
            "C:\Users\Admin\AppData\Local\Temp\elv_d8b690a3-b8c4-4c25-811c-12258633c95e.exe" edge -o temp_abe_output\edge -v -f
            4⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:3204
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
              5⤵
                PID:5756
            • C:\Users\Admin\AppData\Local\Temp\elv_d8b690a3-b8c4-4c25-811c-12258633c95e.exe
              "C:\Users\Admin\AppData\Local\Temp\elv_d8b690a3-b8c4-4c25-811c-12258633c95e.exe" brave -o temp_abe_output\brave -v -f
              4⤵
              • Executes dropped EXE
              PID:1056
            • C:\Windows\system32\systeminfo.exe
              "systeminfo"
              4⤵
              • Gathers system information
              PID:5712
            • C:\Windows\system32\tasklist.exe
              "tasklist"
              4⤵
              • Enumerates processes with tasklist
              • Suspicious use of AdjustPrivilegeToken
              PID:5740
            • C:\Windows\system32\cmd.exe
              "cmd" /C C:\Users\Admin\AppData\Local\Temp\sd_6770c12f-c5a8-4c7c-9443-13e8e76100ce.bat
              4⤵
              • Executes a command shell one-liner
              • Suspicious use of WriteProcessMemory
              PID:4668
              • C:\Windows\system32\chcp.com
                chcp 65001
                5⤵
                  PID:5856
                • C:\Windows\system32\timeout.exe
                  timeout /t 1 /nobreak
                  5⤵
                  • Delays execution with timeout.exe
                  PID:4332
                • 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:4772
                  • C:\Windows\system32\tasklist.exe
                    tasklist /fi "IMAGENAME eq system_diag*" /fo csv
                    6⤵
                    • Enumerates processes with tasklist
                    • Suspicious use of AdjustPrivilegeToken
                    PID:3748
                  • C:\Windows\system32\findstr.exe
                    findstr /i "system_diag"
                    6⤵
                      PID:3664
                  • C:\Windows\system32\timeout.exe
                    timeout /t 2 /nobreak
                    5⤵
                    • Delays execution with timeout.exe
                    PID:1624
          • C:\Windows\System32\rundll32.exe
            C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
            1⤵
              PID:4396
            • 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:1440
              • 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:1408

                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_d8b690a3-b8c4-4c25-811c-12258633c95e.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\elv_d8b690a3-b8c4-4c25-811c-12258633c95e.exe
                      • Size 1.4MB
                      • SHA256 671cdb4073a267455050b240df9bafbcf857db2052c578a899ac91707c3bef16
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      sd_6770c12f-c5a8-4c7c-9443-13e8e76100ce.bat

                      • Path C:\Users\Admin\AppData\Local\Temp\sd_6770c12f-c5a8-4c7c-9443-13e8e76100ce.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 3KB
                      • SHA256 f142a845ef2007e00dded4c1ee53c67d4d73ec20c762eafbd6fe1e6fbda0efca
                      • MD5 SHA1 SHA512 TLSH

                      stealer_debug.txt

                      • Path C:\Users\Admin\Desktop\stealer_debug.txt
                      • Size 631B
                      • SHA256 b846baf7d2caafb6d55be96060a133e9afa33d68974e7b2a42481bdf69e3708f
                      • MD5 SHA1 SHA512 TLSH

                      stealer_debug.txt

                      • Path C:\Users\Admin\Desktop\stealer_debug.txt
                      • Size 5KB
                      • SHA256 1ca319236135fa90316ddd54b575b830ea7e3f14bb17eaa896654678818b0e92
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      stealer_debug.txt

                      • Path C:\Users\Admin\Desktop\stealer_debug.txt
                      • Size 1KB
                      • SHA256 bd1555bfc686bfbbb30d91e63b063f25d2332e1a7432ae81327264a51b57228b
                      • MD5 SHA1 SHA512 TLSH

                      stealer_debug.txt

                      • Path C:\Users\Admin\Desktop\stealer_debug.txt
                      • Size 2KB
                      • SHA256 8cc429641fdc9ffaf96dc6c857c2af1daada6c7b87a8cb682a88db39a2a2a07c
                      • MD5 SHA1 SHA512 TLSH

                      stealer_debug.txt

                      • Path C:\Users\Admin\Desktop\stealer_debug.txt
                      • Size 2KB
                      • SHA256 27e8ed657a97574e7c4c53d54e2be627d4d7e2b6d459677ae33628cbba97f4cf
                      • MD5 SHA1 SHA512 TLSH

                      BACKUP_LOG.txt

                      • Path C:\Users\Admin\logs\BACKUP_LOG.txt
                      • Size 3KB
                      • SHA256 1f064ae449b0239bb352fa7542dc22d33f641f5af274f4b9de21e7d20f8ed451
                      • MD5 SHA1 SHA512 TLSH

                      BACKUP_LOG.txt

                      • Path C:\Users\Admin\logs\BACKUP_LOG.txt
                      • Size 5KB
                      • SHA256 42fd1ab9a4f2063dd0b14369aca056a8c4e09b89fb7e0fbda1efdc713a11ec26
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      BACKUP_LOG.txt

                      • Path C:\Users\Admin\logs\BACKUP_LOG.txt
                      • Size 1KB
                      • SHA256 7e38a4ed4d12bd809ea6c88eaaed8094fd68913a086ebd23e2614b58012b713a
                      • MD5 SHA1 SHA512 TLSH

                      BACKUP_LOG.txt

                      • Path C:\Users\Admin\logs\BACKUP_LOG.txt
                      • Size 1KB
                      • SHA256 ec547b288c50f7fe5f83d4f75144a2512fb2f50432c7653ad9a01d89f5890bca
                      • MD5 SHA1 SHA512 TLSH

                      BACKUP_LOG.txt

                      • Path C:\Users\Admin\logs\BACKUP_LOG.txt
                      • Size 2KB
                      • SHA256 613757fc7e697a4051fe186d98e97378aeefaf470287ce81352d19e6b53cd023
                      • MD5 SHA1 SHA512 TLSH

                      stealer_early_debug.txt

                      • Path C:\Users\Admin\stealer_early_debug.txt
                      • Size 444B
                      • SHA256 74d13e65693a6fa6f6108dd6914b8771c37012645f237a5312b35afa7ac6751e
                      • MD5 SHA1 SHA512 TLSH

                      fingerprint.json

                      • Path C:\Users\Admin\temp_abe_output\chrome\Chrome\fingerprint.json
                      • Size 868B
                      • SHA256 8ffe7b2c5c33de7917e5771bafdacc8705f0ffaba2b9cb0c9510e9496f578782
                      • MD5 SHA1 SHA512 TLSH

                      memory/3656-126-0x00007FF786480000-0x00007FF786C6E000-memory.dmp

                      memory/4864-239-0x00007FF7F5D00000-0x00007FF7F6504000-memory.dmp

                      memory/4864-404-0x00007FF7F5D00000-0x00007FF7F6504000-memory.dmp

                      memory/6044-322-0x00007FF67FB50000-0x00007FF6802FE000-memory.dmp

                      memory/6044-335-0x00007FF67FB50000-0x00007FF6802FE000-memory.dmp

                      memory/6044-345-0x00007FF67FB50000-0x00007FF6802FE000-memory.dmp

                      memory/6044-379-0x00007FF67FB50000-0x00007FF6802FE000-memory.dmp

                      memory/6044-240-0x00007FF67FB50000-0x00007FF6802FE000-memory.dmp

                      memory/6044-403-0x00007FF67FB50000-0x00007FF6802FE000-memory.dmp