Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-08-2024 20:59

General

  • Target

    ce6a0066d44738324884d1ff378833c80a71aa19dd03c939cf055878abae0083.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
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Downloads MZ/PE file
  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Start PowerShell.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 8 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 UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 51 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⤵
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3524
    • C:\Users\Admin\AppData\Local\Temp\ce6a0066d44738324884d1ff378833c80a71aa19dd03c939cf055878abae0083.exe
      "C:\Users\Admin\AppData\Local\Temp\ce6a0066d44738324884d1ff378833c80a71aa19dd03c939cf055878abae0083.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:916
      • C:\Windows\SYSTEM32\schtasks.exe
        schtasks /create /tn "SystemServicesTools" /tr "C:\Users\Admin\AppData\Roaming\{0FCB9313972F1128056648}\{0FCB9313972F1128056648}.exe" /sc onstart /f
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1656
      • 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:3132
        • C:\Windows\system32\schtasks.exe
          schtasks /create /tn "cpLdGIzSE5" /tr "C:\Users\Admin\AppData\Roaming\Adobe\Service_Adobe.exe" /sc onstart /f
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2196
        • C:\Windows\system32\schtasks.exe
          schtasks /create /tn "cpLdGIzSE5" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Service_Microsoft.exe" /sc onstart /f
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:208
        • C:\Windows\system32\schtasks.exe
          schtasks /create /tn "cpLdGIzSE5" /tr "C:\Users\Admin\AppData\Roaming\Mozilla\Service_Mozilla.exe" /sc onstart /f
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:4036
        • C:\Windows\system32\schtasks.exe
          schtasks /create /tn "cpLdGIzSE5" /tr "C:\Users\Admin\AppData\Roaming\Sun\Service_Sun.exe" /sc onstart /f
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:776
        • C:\Windows\system32\schtasks.exe
          schtasks /create /tn "cpLdGIzSE5" /tr "C:\Users\Admin\AppData\Roaming\{0FCB9313972F1128056648}\Service_{0FCB9313972F1128056648}.exe" /sc onstart /f
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:4596
    • C:\Users\Admin\AppData\Local\Temp\8AEA.tmp.nikmok1.exe
      "C:\Users\Admin\AppData\Local\Temp\8AEA.tmp.nikmok1.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:216
      • 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⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4612
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:404
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp9E15.tmp.bat""
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4100
        • C:\Windows\SysWOW64\timeout.exe
          timeout 3
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:3948
        • C:\Users\Admin\AppData\Roaming\svchost.exe
          "C:\Users\Admin\AppData\Roaming\svchost.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2384
          • 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\gegvmq.exe"' & exit
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4044
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\gegvmq.exe"'
              6⤵
              • Command and Scripting Interpreter: PowerShell
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:3608
              • C:\Users\Admin\AppData\Local\Temp\gegvmq.exe
                "C:\Users\Admin\AppData\Local\Temp\gegvmq.exe"
                7⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of WriteProcessMemory
                PID:4884
                • C:\Windows\system32\schtasks.exe
                  schtasks /create /tn "SystemServicesTools" /tr "" /sc onstart /f
                  8⤵
                  • Scheduled Task/Job: Scheduled Task
                  PID:1200
                • C:\Windows\system32\relog.exe
                  C:\Windows\system32\relog.exe
                  8⤵
                    PID:4352
      • C:\Users\Admin\AppData\Local\Temp\8D0E.tmp.nikmok2.exe
        "C:\Users\Admin\AppData\Local\Temp\8D0E.tmp.nikmok2.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4400

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\8AEA.tmp.nikmok1.exe

      Filesize

      47KB

      MD5

      27058f6c310e29963251df57e752456a

      SHA1

      747b0923209199b7e430e1a6896e9304eae02707

      SHA256

      f0033f3778e39a3be78d3938a73c5e02301a85d138e2e4e3ec41be55996ceaa6

      SHA512

      d6a9317d28580ada68c927bb7d0aa69a91e5868bdfa6dfb79f37fe9284e55ff35a96b10b69a2d342d5b8a5cb6019e31e17643460458e0f070084918266148eb2

    • C:\Users\Admin\AppData\Local\Temp\8D0E.tmp.nikmok2.exe

      Filesize

      300KB

      MD5

      8d14c4ba7260c61ecde30d97fd3c124a

      SHA1

      f60a7243a5160ff0dd60c37e1de43b81cead3549

      SHA256

      6985ec7f67fabd26633c991be04ce5f899224a56bb078ba186b4be21f9e4714d

      SHA512

      b068decea7ec68d2b4347493d9e4b8cc4fb0c3c5f5ecc2a52be6eb35d28e75d3de1636efe0b67cce825e8d08d3fb82d137b1d6eb1225662fb8c3dff9616dcc4c

    • C:\Users\Admin\AppData\Local\Temp\SystemUpdate.exe

      Filesize

      322KB

      MD5

      c1e4bbc07edcd498c3237c435a2479b8

      SHA1

      a5724a7cff16711d8c1a3071f39abe4df392d560

      SHA256

      410bbd43e9fe61cfd4dc8a903f016cb0b50e5efcd49cfba0bcc2a93fc9c50155

      SHA512

      56446325ae45aa7e6ae09a87e877263a7bba944732d6f791dc1cd65c1edbcaf3fc247a3f0abee887ea974526a9caeacd585ed2b8b3c4434ec187806998bbdea9

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ahxo5jkv.h1u.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp9E15.tmp.bat

      Filesize

      151B

      MD5

      6e93f02ad927ca8c9cd2c7164f31ffbd

      SHA1

      48e6d51c0586f6783079b5f2480107bc93577c5a

      SHA256

      44f77565913388b49b80713c9e530ab87b1f7e5206b2db43ddbc193414399ce5

      SHA512

      236a705a46fa7e5857404ebc8d5e16a9692eaf5d6904a593d50abeeac1a73673d191cc018efbf39a100f9d70c94fb692d144e57ba54ed79312d1e1f3c2de8590

    • C:\Users\Admin\AppData\Roaming\{0FCB9313972F1128056648}\{0FCB9313972F1128056648}.exe

      Filesize

      493KB

      MD5

      645433c9c0fa477360da405bba4e345d

      SHA1

      558ab8762a9fe2029ef5ddcf0e595466a721ba70

      SHA256

      ce6a0066d44738324884d1ff378833c80a71aa19dd03c939cf055878abae0083

      SHA512

      10b954838600f1e22cac0e1e51b26d7ca328972784f6b8c1c85313cf0d2df303d1965392ca0193db5a5de0fe49e024dcfdcac0a43239dc5321d6bdc52eaee8e1

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

      Filesize

      1KB

      MD5

      1530b50aac226cd50815c69326517e51

      SHA1

      e97855298b61d8a5b6cf2450a990d5cbc40c6aa4

      SHA256

      1c1eab02470f70f1067cc91ae1506955f2cd92eac3afac8eb3592cc718c2cab3

      SHA512

      c66ee426b16c2ab3439617774b914dd279351b4c3dc14e16d6e7cdb11cd0cf0d3346df87a315f5a0de885522e3bfdcc2513e73f2d01cf0e5f13f77f7facdb432

    • memory/216-100-0x0000000005570000-0x000000000560C000-memory.dmp

      Filesize

      624KB

    • memory/216-79-0x0000000000BF0000-0x0000000000C02000-memory.dmp

      Filesize

      72KB

    • memory/2384-117-0x0000000006DA0000-0x0000000006DBE000-memory.dmp

      Filesize

      120KB

    • memory/2384-116-0x0000000006C60000-0x0000000006CC2000-memory.dmp

      Filesize

      392KB

    • memory/2384-115-0x0000000006CE0000-0x0000000006D56000-memory.dmp

      Filesize

      472KB

    • memory/3132-110-0x00007FF716E40000-0x00007FF716EC1000-memory.dmp

      Filesize

      516KB

    • memory/3524-64-0x0000000008420000-0x0000000008477000-memory.dmp

      Filesize

      348KB

    • memory/3524-62-0x0000000006F60000-0x0000000006FA3000-memory.dmp

      Filesize

      268KB

    • memory/3524-65-0x00000000081C0000-0x00000000081D6000-memory.dmp

      Filesize

      88KB

    • memory/3608-137-0x0000000006370000-0x000000000638A000-memory.dmp

      Filesize

      104KB

    • memory/3608-126-0x0000000005780000-0x00000000057A2000-memory.dmp

      Filesize

      136KB

    • memory/3608-132-0x0000000005A90000-0x0000000005DE4000-memory.dmp

      Filesize

      3.3MB

    • memory/3608-131-0x0000000005920000-0x0000000005986000-memory.dmp

      Filesize

      408KB

    • memory/3608-133-0x0000000005F10000-0x0000000005F2E000-memory.dmp

      Filesize

      120KB

    • memory/3608-136-0x0000000006F60000-0x0000000006FF6000-memory.dmp

      Filesize

      600KB

    • memory/3608-138-0x00000000063E0000-0x0000000006402000-memory.dmp

      Filesize

      136KB

    • memory/3608-120-0x0000000004FA0000-0x00000000055C8000-memory.dmp

      Filesize

      6.2MB

    • memory/3608-119-0x0000000004930000-0x0000000004966000-memory.dmp

      Filesize

      216KB

    • memory/4352-145-0x00007FF7B5070000-0x00007FF7B50C7000-memory.dmp

      Filesize

      348KB

    • memory/4400-96-0x0000000005610000-0x000000000571A000-memory.dmp

      Filesize

      1.0MB

    • memory/4400-111-0x0000000006C50000-0x0000000006CA0000-memory.dmp

      Filesize

      320KB

    • memory/4400-106-0x0000000005F50000-0x0000000005FB6000-memory.dmp

      Filesize

      408KB

    • memory/4400-99-0x0000000005720000-0x000000000576C000-memory.dmp

      Filesize

      304KB

    • memory/4400-98-0x00000000055A0000-0x00000000055DC000-memory.dmp

      Filesize

      240KB

    • memory/4400-97-0x0000000005540000-0x0000000005552000-memory.dmp

      Filesize

      72KB

    • memory/4400-134-0x0000000006FB0000-0x0000000007172000-memory.dmp

      Filesize

      1.8MB

    • memory/4400-135-0x0000000007B20000-0x000000000804C000-memory.dmp

      Filesize

      5.2MB

    • memory/4400-95-0x0000000006350000-0x0000000006968000-memory.dmp

      Filesize

      6.1MB

    • memory/4400-94-0x0000000005460000-0x000000000546A000-memory.dmp

      Filesize

      40KB

    • memory/4400-93-0x00000000052B0000-0x0000000005342000-memory.dmp

      Filesize

      584KB

    • memory/4400-92-0x0000000005780000-0x0000000005D24000-memory.dmp

      Filesize

      5.6MB

    • memory/4400-91-0x00000000009D0000-0x0000000000A22000-memory.dmp

      Filesize

      328KB