Analysis

  • max time kernel
    15s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    21-08-2024 07:20

General

  • Target

    645433c9c0fa477360da405bba4e345d.exe

  • Size

    493KB

  • MD5

    645433c9c0fa477360da405bba4e345d

  • SHA1

    558ab8762a9fe2029ef5ddcf0e595466a721ba70

  • SHA256

    ce6a0066d44738324884d1ff378833c80a71aa19dd03c939cf055878abae0083

  • SHA512

    10b954838600f1e22cac0e1e51b26d7ca328972784f6b8c1c85313cf0d2df303d1965392ca0193db5a5de0fe49e024dcfdcac0a43239dc5321d6bdc52eaee8e1

  • SSDEEP

    6144:mJ3qEH5K20tk5kRlFHOETP1uB2fQzaOIkHgo2TWAG16J:iqEH5KY8rddfQFHgo2aAG16

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

176.111.174.140:6606

176.111.174.140:7707

176.111.174.140:8808

Mutex

Hp6kvaq9BCyI

Attributes
  • delay

    3

  • install

    true

  • install_file

    svchost.exe

  • install_folder

    %AppData%

aes.plain

Extracted

Family

redline

Botnet

diamotrix

C2

176.111.174.140:1912

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 2 IoCs
  • Async RAT payload 1 IoCs
  • Downloads MZ/PE file
  • Drops file in Drivers directory 1 IoCs
  • Adds Run key to start application 2 TTPs 8 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Start PowerShell.

  • Suspicious use of SetThreadContext 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 10 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 30 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:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1200
      • C:\Users\Admin\AppData\Local\Temp\645433c9c0fa477360da405bba4e345d.exe
        "C:\Users\Admin\AppData\Local\Temp\645433c9c0fa477360da405bba4e345d.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1580
        • C:\Windows\system32\schtasks.exe
          schtasks /create /tn "SystemServicesTools" /tr "C:\Users\Admin\AppData\Roaming\{1E16069C44F0748140731}\{1E16069C44F0748140731}.exe" /sc onstart /f
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:772
        • C:\Windows\system32\relog.exe
          C:\Windows\system32\relog.exe
          3⤵
          • Drops file in Drivers directory
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2052
          • C:\Windows\system32\schtasks.exe
            schtasks /create /tn "NKYFacBBC4" /tr "C:\Users\Admin\AppData\Roaming\Adobe\Service_Adobe.exe" /sc onstart /f
            4⤵
            • Scheduled Task/Job: Scheduled Task
            PID:3028
          • C:\Windows\system32\schtasks.exe
            schtasks /create /tn "NKYFacBBC4" /tr "C:\Users\Admin\AppData\Roaming\Identities\Service_Identities.exe" /sc onstart /f
            4⤵
            • Scheduled Task/Job: Scheduled Task
            PID:2796
          • C:\Windows\system32\schtasks.exe
            schtasks /create /tn "NKYFacBBC4" /tr "C:\Users\Admin\AppData\Roaming\Macromedia\Service_Macromedia.exe" /sc onstart /f
            4⤵
            • Scheduled Task/Job: Scheduled Task
            PID:2660
          • C:\Windows\system32\schtasks.exe
            schtasks /create /tn "NKYFacBBC4" /tr "C:\Users\Admin\AppData\Roaming\Media Center Programs\Service_Media Center Programs.exe" /sc onstart /f
            4⤵
            • Scheduled Task/Job: Scheduled Task
            PID:2748
          • C:\Windows\system32\schtasks.exe
            schtasks /create /tn "NKYFacBBC4" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Service_Microsoft.exe" /sc onstart /f
            4⤵
            • Scheduled Task/Job: Scheduled Task
            PID:1632
          • C:\Windows\system32\schtasks.exe
            schtasks /create /tn "NKYFacBBC4" /tr "C:\Users\Admin\AppData\Roaming\Mozilla\Service_Mozilla.exe" /sc onstart /f
            4⤵
            • Scheduled Task/Job: Scheduled Task
            PID:1760
          • C:\Windows\system32\schtasks.exe
            schtasks /create /tn "NKYFacBBC4" /tr "C:\Users\Admin\AppData\Roaming\{1E16069C44F0748140731}\Service_{1E16069C44F0748140731}.exe" /sc onstart /f
            4⤵
            • Scheduled Task/Job: Scheduled Task
            PID:2376
      • C:\Users\Admin\AppData\Local\Temp\204.tmp.nikmok1.exe
        "C:\Users\Admin\AppData\Local\Temp\204.tmp.nikmok1.exe"
        2⤵
          PID:804
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
            3⤵
              PID:2452
              • C:\Windows\SysWOW64\schtasks.exe
                schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
                4⤵
                • Scheduled Task/Job: Scheduled Task
                PID:2524
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp1729.tmp.bat""
              3⤵
                PID:1016
                • C:\Windows\SysWOW64\timeout.exe
                  timeout 3
                  4⤵
                  • Delays execution with timeout.exe
                  PID:1560
                • C:\Users\Admin\AppData\Roaming\svchost.exe
                  "C:\Users\Admin\AppData\Roaming\svchost.exe"
                  4⤵
                    PID:1100
                    • C:\Windows\SysWOW64\cmd.exe
                      "C:\Windows\System32\cmd.exe" /c start /b powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\ddbfjv.exe"' & exit
                      5⤵
                        PID:1784
                        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                          powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\ddbfjv.exe"'
                          6⤵
                          • Command and Scripting Interpreter: PowerShell
                          PID:1384
                          • C:\Users\Admin\AppData\Local\Temp\ddbfjv.exe
                            "C:\Users\Admin\AppData\Local\Temp\ddbfjv.exe"
                            7⤵
                              PID:1644
                              • C:\Windows\system32\schtasks.exe
                                schtasks /create /tn "SystemServicesTools" /tr "" /sc onstart /f
                                8⤵
                                • Scheduled Task/Job: Scheduled Task
                                PID:2940
                              • C:\Windows\system32\relog.exe
                                C:\Windows\system32\relog.exe
                                8⤵
                                  PID:2888
                    • C:\Users\Admin\AppData\Local\Temp\5AD.tmp.nikmok2.exe
                      "C:\Users\Admin\AppData\Local\Temp\5AD.tmp.nikmok2.exe"
                      2⤵
                        PID:2160

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • C:\Users\Admin\AppData\Local\Temp\204.tmp.nikmok1.exe

                      Filesize

                      47KB

                      MD5

                      27058f6c310e29963251df57e752456a

                      SHA1

                      747b0923209199b7e430e1a6896e9304eae02707

                      SHA256

                      f0033f3778e39a3be78d3938a73c5e02301a85d138e2e4e3ec41be55996ceaa6

                      SHA512

                      d6a9317d28580ada68c927bb7d0aa69a91e5868bdfa6dfb79f37fe9284e55ff35a96b10b69a2d342d5b8a5cb6019e31e17643460458e0f070084918266148eb2

                    • C:\Users\Admin\AppData\Local\Temp\5AD.tmp.nikmok2.exe

                      Filesize

                      300KB

                      MD5

                      8d14c4ba7260c61ecde30d97fd3c124a

                      SHA1

                      f60a7243a5160ff0dd60c37e1de43b81cead3549

                      SHA256

                      6985ec7f67fabd26633c991be04ce5f899224a56bb078ba186b4be21f9e4714d

                      SHA512

                      b068decea7ec68d2b4347493d9e4b8cc4fb0c3c5f5ecc2a52be6eb35d28e75d3de1636efe0b67cce825e8d08d3fb82d137b1d6eb1225662fb8c3dff9616dcc4c

                    • C:\Users\Admin\AppData\Local\Temp\Cab5CB3.tmp

                      Filesize

                      70KB

                      MD5

                      49aebf8cbd62d92ac215b2923fb1b9f5

                      SHA1

                      1723be06719828dda65ad804298d0431f6aff976

                      SHA256

                      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

                      SHA512

                      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

                    • C:\Users\Admin\AppData\Local\Temp\Tar7AFF.tmp

                      Filesize

                      181KB

                      MD5

                      4ea6026cf93ec6338144661bf1202cd1

                      SHA1

                      a1dec9044f750ad887935a01430bf49322fbdcb7

                      SHA256

                      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

                      SHA512

                      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

                    • C:\Users\Admin\AppData\Local\Temp\tmp1729.tmp.bat

                      Filesize

                      151B

                      MD5

                      3b62b7cb1918ddff8aae463827c269ff

                      SHA1

                      42ea67dd26f723bb57f96c7c7fdbefa4747235a1

                      SHA256

                      f1c4d5c0cf9e70f780a87bf5cb47e3a4bcb7a2c8850fc5d7544eb09da070cc23

                      SHA512

                      2334aedd9343b7a587aa2fc4af1402891ba0ecad760d9b9beeba8757258fe5009b8bd3727ec3afdb31e001e9f6b64715e04ddc6c36faff15a16ab7595e0036f9

                    • C:\Users\Admin\AppData\Roaming\Adobe\Service_Adobe.exe

                      Filesize

                      322KB

                      MD5

                      c1e4bbc07edcd498c3237c435a2479b8

                      SHA1

                      a5724a7cff16711d8c1a3071f39abe4df392d560

                      SHA256

                      410bbd43e9fe61cfd4dc8a903f016cb0b50e5efcd49cfba0bcc2a93fc9c50155

                      SHA512

                      56446325ae45aa7e6ae09a87e877263a7bba944732d6f791dc1cd65c1edbcaf3fc247a3f0abee887ea974526a9caeacd585ed2b8b3c4434ec187806998bbdea9

                    • C:\Users\Admin\AppData\Roaming\{1E16069C44F0748140731}\{1E16069C44F0748140731}.exe

                      Filesize

                      493KB

                      MD5

                      645433c9c0fa477360da405bba4e345d

                      SHA1

                      558ab8762a9fe2029ef5ddcf0e595466a721ba70

                      SHA256

                      ce6a0066d44738324884d1ff378833c80a71aa19dd03c939cf055878abae0083

                      SHA512

                      10b954838600f1e22cac0e1e51b26d7ca328972784f6b8c1c85313cf0d2df303d1965392ca0193db5a5de0fe49e024dcfdcac0a43239dc5321d6bdc52eaee8e1

                    • C:\Windows\System32\drivers\etc\hosts

                      Filesize

                      1KB

                      MD5

                      ee9d791fd900430e4d594e5bde5c096a

                      SHA1

                      25dd0ac5926d1d02bf4c9fe60d5aff6b602c9b7d

                      SHA256

                      74c6900b084deaf2ac76ee2113cfe73509e751c588707395fa2731e9bc154ccd

                      SHA512

                      cd1c18139594002e96c7094ff731812d9afb45fb34735731fb65eaecbd7918c2379fa52b8eea551ac9c51589827619f898a9a0ac95ee1ad8c0e94b589403efeb

                    • memory/804-83-0x00000000010F0000-0x0000000001102000-memory.dmp

                      Filesize

                      72KB

                    • memory/1100-102-0x0000000001320000-0x0000000001332000-memory.dmp

                      Filesize

                      72KB

                    • memory/1100-121-0x0000000005680000-0x00000000056E2000-memory.dmp

                      Filesize

                      392KB

                    • memory/1200-68-0x0000000002540000-0x0000000002556000-memory.dmp

                      Filesize

                      88KB

                    • memory/1200-70-0x0000000002540000-0x0000000002556000-memory.dmp

                      Filesize

                      88KB

                    • memory/1200-73-0x0000000004580000-0x00000000045D7000-memory.dmp

                      Filesize

                      348KB

                    • memory/1200-64-0x00000000024F0000-0x0000000002533000-memory.dmp

                      Filesize

                      268KB

                    • memory/1200-66-0x00000000024F0000-0x0000000002533000-memory.dmp

                      Filesize

                      268KB

                    • memory/2052-74-0x0000000140000000-0x0000000140081000-memory.dmp

                      Filesize

                      516KB

                    • memory/2052-2-0x000007FFFFFDB000-0x000007FFFFFDC000-memory.dmp

                      Filesize

                      4KB

                    • memory/2160-88-0x0000000000180000-0x00000000001D2000-memory.dmp

                      Filesize

                      328KB

                    • memory/2888-151-0x0000000140000000-0x0000000140057000-memory.dmp

                      Filesize

                      348KB

                    • memory/2888-150-0x000007FFFFFDE000-0x000007FFFFFDF000-memory.dmp

                      Filesize

                      4KB