Analysis

  • max time kernel
    145s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    19-07-2024 18:20

General

  • Target

    OTPBOT.exe

  • Size

    16.7MB

  • MD5

    d76d4061a38546dda1d9748588b75f18

  • SHA1

    adbcd8ada656dddd3809bdd8061f59fbb53351bd

  • SHA256

    7c833f195a6be1c64c85cca8f227f0226726609bc564f9577ef81924aa99c1b4

  • SHA512

    f4cdfe95be590c55fd32fcaf711961ab67fcee8dcceeb44bf8cb4e6e2208b207073ba7a329a843ac1d63d5f5a2d8fae78dc2043afc4b2829757246c05eff7fb1

  • SSDEEP

    393216:Ib7D+eNMC7Z61Kqm/1MpfnZ0ZjupISFOxcyUVBWABkgr0:U/mCNoZm9ML05ualxc0E

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

10.0.2.15:9090

10.0.2.15:52033

147.185.221.19:9090

147.185.221.19:52033

Mutex

wbrjnemduvixdculy

Attributes
  • delay

    1

  • install

    true

  • install_file

    steam.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Async RAT payload 1 IoCs
  • Suspicious Office macro 3 IoCs

    Office document equipped with macros.

  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 11 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • Detects Pyinstaller 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 50 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:\Users\Admin\AppData\Local\Temp\OTPBOT.exe
    "C:\Users\Admin\AppData\Local\Temp\OTPBOT.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2520
    • C:\Users\Admin\AppData\Local\Temp\._cache_OTPBOT.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_OTPBOT.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2176
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAG0AcgB4ACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAHcAeQB6ACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAG4AbQBtACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAHYAYgBhACMAPgA="
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1588
      • C:\Users\Admin\AppData\Local\Temp\OTP_BOT.exe
        "C:\Users\Admin\AppData\Local\Temp\OTP_BOT.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1964
        • C:\Users\Admin\AppData\Local\Temp\OTP_BOT.exe
          "C:\Users\Admin\AppData\Local\Temp\OTP_BOT.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1020
      • C:\Users\Admin\AppData\Local\Temp\NOBLOCKTM.exe
        "C:\Users\Admin\AppData\Local\Temp\NOBLOCKTM.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2892
        • C:\Users\Admin\AppData\Local\Temp\._cache_NOBLOCKTM.exe
          "C:\Users\Admin\AppData\Local\Temp\._cache_NOBLOCKTM.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1692
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "steam" /tr '"C:\Users\Admin\AppData\Roaming\steam.exe"' & exit
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:3024
            • C:\Windows\system32\schtasks.exe
              schtasks /create /f /sc onlogon /rl highest /tn "steam" /tr '"C:\Users\Admin\AppData\Roaming\steam.exe"'
              6⤵
              • Scheduled Task/Job: Scheduled Task
              PID:1712
          • C:\Windows\system32\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpC3DB.tmp.bat""
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:564
            • C:\Windows\system32\timeout.exe
              timeout 3
              6⤵
              • Delays execution with timeout.exe
              PID:3052
            • C:\Users\Admin\AppData\Roaming\steam.exe
              "C:\Users\Admin\AppData\Roaming\steam.exe"
              6⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:2520
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2984
      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2928
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAG0AcgB4ACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAHcAeQB6ACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAG4AbQBtACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAHYAYgBhACMAPgA="
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2124
        • C:\Windows\system32\WerFault.exe
          C:\Windows\system32\WerFault.exe -u -p 2928 -s 1004
          4⤵
            PID:2396
    • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
      1⤵
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:2816

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\ProgramData\Synaptics\Synaptics.exe

      Filesize

      16.7MB

      MD5

      d76d4061a38546dda1d9748588b75f18

      SHA1

      adbcd8ada656dddd3809bdd8061f59fbb53351bd

      SHA256

      7c833f195a6be1c64c85cca8f227f0226726609bc564f9577ef81924aa99c1b4

      SHA512

      f4cdfe95be590c55fd32fcaf711961ab67fcee8dcceeb44bf8cb4e6e2208b207073ba7a329a843ac1d63d5f5a2d8fae78dc2043afc4b2829757246c05eff7fb1

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

      Filesize

      74KB

      MD5

      20b0761336c5b0811ebfd3ce052a065a

      SHA1

      028760051e74205d80253152ba9d638537536a3d

      SHA256

      db35164ac870bfdde1f5883ad6156ce6e6e9b09d673813432f292aeddfc0c2f2

      SHA512

      edef14c446a7750fabeccb27165e99b7ee194b5433a078e137c9f0d3d9a61fd0c88036283adb04b9e19d2c7f65365ff91e52a1f7d90431d5137ca6bfdc932d96

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

      Filesize

      828KB

      MD5

      a1b498723fda03e583ef35e2c1a90d3e

      SHA1

      cbc749bf7d6fcc9266c6e794fc94009f1f6ca448

      SHA256

      23292a648da1e75a5e3c8fb8c540aab8e62060fc0a207305c9e52a27710ea360

      SHA512

      0456d1ebdc37ec89c733026d5fa77e272bcfb4da35b29cd294a34748c9b83fe2eb31014a7b5a1a33205a478204ca801f83e84688abc76e275a6bdbe1cb03aa4a

    • C:\Users\Admin\AppData\Local\Temp\_MEI19642\python311.dll

      Filesize

      5.5MB

      MD5

      e2bd5ae53427f193b42d64b8e9bf1943

      SHA1

      7c317aad8e2b24c08d3b8b3fba16dd537411727f

      SHA256

      c4844b05e3a936b130adedb854d3c04d49ee54edb43e9d36f8c4ae94ccb78400

      SHA512

      ae23a6707e539c619fd5c5b4fc6e4734edc91f89ebe024d25ff2a70168da6105ac0bd47cf6bf3715af6411963caf0acbb4632464e1619ca6361abf53adfe7036

    • C:\Users\Admin\AppData\Local\Temp\bY92igPE.xlsm

      Filesize

      23KB

      MD5

      9ef523f4cf19a72175e1c5342a03325f

      SHA1

      727519770b4938c8152d196d05dd15a42f8c8c42

      SHA256

      1df5f16779fb1ee6067822f88314156f4270b8dc9d7a1d9dec940f3015bc3431

      SHA512

      1d35e305b4b4d1149b326ee0dbfa97e5d364d2a761664c2a18a641f81d9a64783d474b9346afe52fdccefb639a607c33910424894deef703fee9121afb923c98

    • C:\Users\Admin\AppData\Local\Temp\bY92igPE.xlsm

      Filesize

      25KB

      MD5

      680d15710243dcf64e740e59c6e58f2d

      SHA1

      aca77f2f4e0c9450c083fb5557d6a4659625df64

      SHA256

      587eb0468fd6d54b35d0e3e2e89157b86a3eef8748d2bb26b01149c204b53c24

      SHA512

      f2b83452f2e04f3b1642b1a2b2575c971bf0803992d486949803328b33eecf3ecfc09773b02e9d9ccb6f5727cb0c998a8b3cff627d2374fd81d0ad58c4835ec9

    • C:\Users\Admin\AppData\Local\Temp\bY92igPE.xlsm

      Filesize

      17KB

      MD5

      e566fc53051035e1e6fd0ed1823de0f9

      SHA1

      00bc96c48b98676ecd67e81a6f1d7754e4156044

      SHA256

      8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

      SHA512

      a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

    • C:\Users\Admin\AppData\Local\Temp\bY92igPE.xlsm

      Filesize

      21KB

      MD5

      522330f58477844bfdfd49efb5c58c3f

      SHA1

      d33f347e3ee4ba92eac7c9e8e6d68a913378c5c3

      SHA256

      15addd447d3359b1cd749e2de8e810abd5cc72484a2e4ab662e36e2ab7b71046

      SHA512

      62cbcf6d8ab0eaa7ff17b3fc6c000c54deab025a3600ae3039226e2cff1f7ebb38266458a389e66370d4b142e7adafa4868b21362db01313c2f140fc66d4960d

    • C:\Users\Admin\AppData\Local\Temp\tmpC3DB.tmp.bat

      Filesize

      149B

      MD5

      4c330736fa3a3965407139a65b36e75d

      SHA1

      51a028b04eace05aca8e73f7df5d6d7955ffb484

      SHA256

      2ab423c8d3c9442b9e09dabab98ae16a046e6f823e92ab2c3b25d4cbf6b764a0

      SHA512

      0862d3ee3e13be6e45788a91b70baf70ee80512ffc53b3112ca986f7c99dd5e5e5733c3c5318e595cf58409e98d3deca92adb5f4f5eb6ea642c77d46354c70a2

    • C:\Users\Admin\AppData\Local\Temp\~$bY92igPE.xlsm

      Filesize

      165B

      MD5

      ff09371174f7c701e75f357a187c06e8

      SHA1

      57f9a638fd652922d7eb23236c80055a91724503

      SHA256

      e4ba04959837c27019a2349015543802439e152ddc4baf4e8c7b9d2b483362a8

      SHA512

      e4d01e5908e9f80b7732473ec6807bb7faa5425e3154d5642350f44d7220af3cffd277e0b67bcf03f1433ac26a26edb3ddd3707715b61d054b979fbb4b453882

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

      Filesize

      7KB

      MD5

      cef3a56c523b8a546008cd646ad5765e

      SHA1

      bbbc743903b0868e5a9a73143d5c0f2cb7f53814

      SHA256

      71fc77386fa10c801f82b5ea465d6e647e3c24a14dd55b94f2afd504ced180c0

      SHA512

      5f4a37bab6e7ac88cfa9a365c15d6545d75c80ab9fc490e69940c57d82ea7c94531b9958c5b79b4bf50d69adb4cbb56c3827100875ad2de19ad007c4a4854229

    • C:\Users\Admin\AppData\Roaming\MyData\DataLogs.conf

      Filesize

      8B

      MD5

      cf759e4c5f14fe3eec41b87ed756cea8

      SHA1

      c27c796bb3c2fac929359563676f4ba1ffada1f5

      SHA256

      c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

      SHA512

      c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

    • \Users\Admin\AppData\Local\Temp\._cache_OTPBOT.exe

      Filesize

      16.0MB

      MD5

      e42b1ae9636a7f13d6cda41da36604bf

      SHA1

      0f54c779d595f8ceaa8aff579b90de40824f5b9b

      SHA256

      6eead15ccfccb3f580f87df6545909ce1ab70544837d0ad8385787a674b5f974

      SHA512

      235cd965cb26f7c22296bf1759c9335e8244f6021e0df7dc9f362a9160ac03121eea54fbedefbc5a10dd9a65811c22a24d0c1b6384e62b2b460bdbee8e64bfa6

    • \Users\Admin\AppData\Local\Temp\OTP_BOT.exe

      Filesize

      15.2MB

      MD5

      05e130106948344f7104d92044431ef6

      SHA1

      daaf32ffdbddc8129ff563f279ea24422c706ec3

      SHA256

      a2f3bae44a9bf5b85db8f1fbfabfad377b1f31cc151ee9a2ac6d824bb4d5c09e

      SHA512

      431f804f00a2d6e191b4a0592fddd7731fa8bc47a39b277e037f65d6566a1dd0a83e854ecea3b3de77704e0fd975d5a2371c7ed189dfa3eefc9ebab3f6f67634

    • memory/1692-138-0x0000000001150000-0x0000000001168000-memory.dmp

      Filesize

      96KB

    • memory/2124-122-0x0000000001D00000-0x0000000001D08000-memory.dmp

      Filesize

      32KB

    • memory/2124-121-0x000000001B8A0000-0x000000001BB82000-memory.dmp

      Filesize

      2.9MB

    • memory/2176-28-0x0000000000380000-0x000000000138A000-memory.dmp

      Filesize

      16.0MB

    • memory/2520-0-0x0000000000220000-0x0000000000221000-memory.dmp

      Filesize

      4KB

    • memory/2520-24-0x0000000000400000-0x00000000014C4000-memory.dmp

      Filesize

      16.8MB

    • memory/2520-209-0x0000000001050000-0x0000000001068000-memory.dmp

      Filesize

      96KB

    • memory/2816-37-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2892-135-0x0000000000400000-0x00000000004D5000-memory.dmp

      Filesize

      852KB

    • memory/2928-36-0x0000000001120000-0x000000000212A000-memory.dmp

      Filesize

      16.0MB

    • memory/2984-211-0x0000000000400000-0x00000000014C4000-memory.dmp

      Filesize

      16.8MB

    • memory/2984-258-0x0000000000400000-0x00000000014C4000-memory.dmp

      Filesize

      16.8MB

    • memory/2984-291-0x0000000000400000-0x00000000014C4000-memory.dmp

      Filesize

      16.8MB