Analysis

  • max time kernel
    149s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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. 6 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers 6 IoCs
  • Detects executables containing SQL queries to confidential data stores. Observed in infostealers 6 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, crypt 6 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 1 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_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:1160
    • 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:1780
      • 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:892
        • C:\Users\Admin\AppData\Local\Temp\elv_2dbc35f1-da81-4fc5-a498-e83aacc42b14.exe
          "C:\Users\Admin\AppData\Local\Temp\elv_2dbc35f1-da81-4fc5-a498-e83aacc42b14.exe" chrome -o temp_abe_output\chrome -v -f
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2680
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe"
            5⤵
              PID:964
          • C:\Users\Admin\AppData\Local\Temp\elv_2dbc35f1-da81-4fc5-a498-e83aacc42b14.exe
            "C:\Users\Admin\AppData\Local\Temp\elv_2dbc35f1-da81-4fc5-a498-e83aacc42b14.exe" edge -o temp_abe_output\edge -v -f
            4⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:1396
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
              5⤵
                PID:3796
            • C:\Users\Admin\AppData\Local\Temp\elv_2dbc35f1-da81-4fc5-a498-e83aacc42b14.exe
              "C:\Users\Admin\AppData\Local\Temp\elv_2dbc35f1-da81-4fc5-a498-e83aacc42b14.exe" brave -o temp_abe_output\brave -v -f
              4⤵
              • Executes dropped EXE
              PID:2960
            • C:\Windows\system32\systeminfo.exe
              "systeminfo"
              4⤵
              • Gathers system information
              PID:4464
            • C:\Windows\system32\tasklist.exe
              "tasklist"
              4⤵
              • Enumerates processes with tasklist
              • Suspicious use of AdjustPrivilegeToken
              PID:2384
            • C:\Windows\system32\cmd.exe
              "cmd" /C C:\Users\Admin\AppData\Local\Temp\sd_8345719e-030f-4745-afd2-d764da736de9.bat
              4⤵
              • Executes a command shell one-liner
              • Suspicious use of WriteProcessMemory
              PID:2936
              • C:\Windows\system32\chcp.com
                chcp 65001
                5⤵
                  PID:2468
                • C:\Windows\system32\timeout.exe
                  timeout /t 1 /nobreak
                  5⤵
                  • Delays execution with timeout.exe
                  PID:2836
                • 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:2080
                  • C:\Windows\system32\tasklist.exe
                    tasklist /fi "IMAGENAME eq system_diag*" /fo csv
                    6⤵
                    • Enumerates processes with tasklist
                    • Suspicious use of AdjustPrivilegeToken
                    PID:5040
                  • C:\Windows\system32\findstr.exe
                    findstr /i "system_diag"
                    6⤵
                      PID:1984
                  • C:\Windows\system32\timeout.exe
                    timeout /t 2 /nobreak
                    5⤵
                    • Delays execution with timeout.exe
                    PID:2900
          • 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:5056
            • 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:4612

              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

                    bm_f3eb93d8-8c82-4c8b-ab99-27b45f9fb5c7.db

                    • Path C:\Users\Admin\AppData\Local\Temp\bm_f3eb93d8-8c82-4c8b-ab99-27b45f9fb5c7.db
                    • Size 5.0MB
                    • SHA256 1a976bd2e953b79750eec9cf3b3bb0dd594a63b90848cf50e8464dad8b23d323
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    elv_2dbc35f1-da81-4fc5-a498-e83aacc42b14.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\elv_2dbc35f1-da81-4fc5-a498-e83aacc42b14.exe
                    • Size 1.4MB
                    • SHA256 671cdb4073a267455050b240df9bafbcf857db2052c578a899ac91707c3bef16
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    sd_8345719e-030f-4745-afd2-d764da736de9.bat

                    • Path C:\Users\Admin\AppData\Local\Temp\sd_8345719e-030f-4745-afd2-d764da736de9.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 312829c00a1f2aabbbb8b5648f066d08d482f54347b9cf66f5b69e2349f1dc40
                    • MD5 SHA1 SHA512 TLSH

                    stealer_debug.txt

                    • Path C:\Users\Admin\Desktop\stealer_debug.txt
                    • Size 630B
                    • SHA256 7f1c8719e63fb8dc8e786c0cc7454b7a4efa0dcf2bec103f6aa795eecb6437c8
                    • MD5 SHA1 SHA512 TLSH

                    stealer_debug.txt

                    • Path C:\Users\Admin\Desktop\stealer_debug.txt
                    • Size 3KB
                    • SHA256 9f491900f5bfa7181557b15fa6c649207796667801132bc0d43688589f91d97d
                    • MD5 SHA1 SHA512 TLSH

                    stealer_debug.txt

                    • Path C:\Users\Admin\Desktop\stealer_debug.txt
                    • Size 4KB
                    • SHA256 03aef0c583b1da8cf1d20b9f0746296a7eab45ed038ea75d4f7cb1a05d79f7b0
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    stealer_debug.txt

                    • Path C:\Users\Admin\Desktop\stealer_debug.txt
                    • Size 1KB
                    • SHA256 dd193d5dfd48c2e36fe2beb47b4e17f44f9913fb851400c91a0c68fdd0f6ec8d
                    • MD5 SHA1 SHA512 TLSH

                    stealer_debug.txt

                    • Path C:\Users\Admin\Desktop\stealer_debug.txt
                    • Size 2KB
                    • SHA256 c769b94bf1304eccb4bcbeb9a0add93c497c31e982b1dc3d4bd5e15c58587c77
                    • MD5 SHA1 SHA512 TLSH

                    BACKUP_LOG.txt

                    • Path C:\Users\Admin\logs\BACKUP_LOG.txt
                    • Size 3KB
                    • SHA256 7df6a016eccaeef0e06fd40e75560ef9dd1b41d5d6803dcc0f4a9aba52610b7f
                    • MD5 SHA1 SHA512 TLSH

                    BACKUP_LOG.txt

                    • Path C:\Users\Admin\logs\BACKUP_LOG.txt
                    • Size 3KB
                    • SHA256 fa1310067ab67b314b824780bb3cbbef370fde4f603cfe5982a1070e13f47902
                    • MD5 SHA1 SHA512 TLSH

                    BACKUP_LOG.txt

                    • Path C:\Users\Admin\logs\BACKUP_LOG.txt
                    • Size 4KB
                    • SHA256 bafda9430581669f336e8dd606665d01d076f4fec05916f49633046840f20151
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    BACKUP_LOG.txt

                    • Path C:\Users\Admin\logs\BACKUP_LOG.txt
                    • Size 1KB
                    • SHA256 7041c328a5a5e040b91cdc77489b5dc6f2eabb7bc1052ec10be688022302f6e3
                    • MD5 SHA1 SHA512 TLSH

                    BACKUP_LOG.txt

                    • Path C:\Users\Admin\logs\BACKUP_LOG.txt
                    • Size 2KB
                    • SHA256 d70a0d1cdfe40abc1ef60ededa12f72361551357aa7a1238606728085f90c728
                    • MD5 SHA1 SHA512 TLSH

                    stealer_early_debug.txt

                    • Path C:\Users\Admin\stealer_early_debug.txt
                    • Size 443B
                    • SHA256 cec6958d463da89957674cc6a9febb1d24d419bd4b08d71d8ae6d23ca331751b
                    • MD5 SHA1 SHA512 TLSH

                    cookies.json

                    • Path C:\Users\Admin\temp_abe_output\chrome\Chrome\Default\cookies.json
                    • Size 349B
                    • SHA256 e94555c7a6f0da125a6f542f8be713eaf94a46f0bb384f5c257b567a9623c96a
                    • MD5 SHA1 SHA512 TLSH

                    fingerprint.json

                    • Path C:\Users\Admin\temp_abe_output\chrome\Chrome\fingerprint.json
                    • Size 970B
                    • SHA256 479a64961e036a0e29822b7ff25baee4c45be2d2f5b5a8bcd74184af8661f3ad
                    • MD5 SHA1 SHA512 TLSH

                    memory/892-378-0x00007FF7A2840000-0x00007FF7A2FEE000-memory.dmp

                    memory/892-273-0x00007FF7A2840000-0x00007FF7A2FEE000-memory.dmp

                    memory/892-364-0x00007FF7A2840000-0x00007FF7A2FEE000-memory.dmp

                    memory/892-100-0x00007FF7A2840000-0x00007FF7A2FEE000-memory.dmp

                    memory/892-422-0x00007FF7A2840000-0x00007FF7A2FEE000-memory.dmp

                    memory/1160-61-0x00007FF7FA430000-0x00007FF7FAC1E000-memory.dmp

                    memory/1780-62-0x00007FF6A0B40000-0x00007FF6A1344000-memory.dmp

                    memory/1780-423-0x00007FF6A0B40000-0x00007FF6A1344000-memory.dmp