Analysis

  • max time kernel
    594s
  • max time network
    598s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    19-07-2024 18:19

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 2 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 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 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:2864
    • 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:2804
      • 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:2644
      • 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:2388
        • 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:2324
      • 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:3056
        • 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:2248
          • 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:300
            • 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:1856
          • C:\Windows\system32\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpAD5F.tmp.bat""
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1424
            • C:\Windows\system32\timeout.exe
              timeout 3
              6⤵
              • Delays execution with timeout.exe
              PID:2688
            • 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:2808
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2716
      • 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:1288
        • 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:2092
        • C:\Windows\system32\WerFault.exe
          C:\Windows\system32\WerFault.exe -u -p 1288 -s 724
          4⤵
            PID:1124
    • 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 AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:356

    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\3b2n5DSR.xlsm

      Filesize

      17KB

      MD5

      e566fc53051035e1e6fd0ed1823de0f9

      SHA1

      00bc96c48b98676ecd67e81a6f1d7754e4156044

      SHA256

      8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

      SHA512

      a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

    • C:\Users\Admin\AppData\Local\Temp\3b2n5DSR.xlsm

      Filesize

      20KB

      MD5

      8fc20292152d6d3c91bda6210a300708

      SHA1

      5dda5fb2f94245dd94ec58eb578fcfeb0c124a5a

      SHA256

      e5dbd2395449bc7373ef9ef00701bf1bd4082461a05e73461d7cf9929f2de3e3

      SHA512

      ee14d4d95368e67b967fe6b00199dacae1819fff49d5774bd4f60dc0b1a7c90d2ce18a4b4549354ae61c750b26c53bcfd9d61ef75b051ec939335d77bfff8c5a

    • C:\Users\Admin\AppData\Local\Temp\3b2n5DSR.xlsm

      Filesize

      23KB

      MD5

      b354f1e6edd15f76cebedf1af1a1276b

      SHA1

      bcffcc04ed9cfafcd030342f93ced9a5c8f3df36

      SHA256

      4e191f1c7333ce26c6f79c05a7866004c812af51a55823badd51fcc11763e4a3

      SHA512

      66ac1f92203a44c5f9bd4ca6737641fd8134f1ef40224b621dff6b47aec88c07838047d478a94b2b9cdb57687486d49025d53e42e9802c608477838790630182

    • C:\Users\Admin\AppData\Local\Temp\3b2n5DSR.xlsm

      Filesize

      24KB

      MD5

      68d22de4d05037bffcf537660b7a0c37

      SHA1

      a660af5c92f434389f9da4b3339bb0b6291bf55c

      SHA256

      24f9e1d6e042d42cecc67998cd3969336cb907d888603293e49418199837eb25

      SHA512

      639316397753dde23537a6420583669634dde0e3eb177dd5f9d4a503085ade663a625ad043b8c98364f1b11277f48e133322ea700860ae03a7f0c8af455ddf61

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

      Filesize

      828KB

      MD5

      a1b498723fda03e583ef35e2c1a90d3e

      SHA1

      cbc749bf7d6fcc9266c6e794fc94009f1f6ca448

      SHA256

      23292a648da1e75a5e3c8fb8c540aab8e62060fc0a207305c9e52a27710ea360

      SHA512

      0456d1ebdc37ec89c733026d5fa77e272bcfb4da35b29cd294a34748c9b83fe2eb31014a7b5a1a33205a478204ca801f83e84688abc76e275a6bdbe1cb03aa4a

    • C:\Users\Admin\AppData\Local\Temp\_MEI23882\python311.dll

      Filesize

      5.5MB

      MD5

      e2bd5ae53427f193b42d64b8e9bf1943

      SHA1

      7c317aad8e2b24c08d3b8b3fba16dd537411727f

      SHA256

      c4844b05e3a936b130adedb854d3c04d49ee54edb43e9d36f8c4ae94ccb78400

      SHA512

      ae23a6707e539c619fd5c5b4fc6e4734edc91f89ebe024d25ff2a70168da6105ac0bd47cf6bf3715af6411963caf0acbb4632464e1619ca6361abf53adfe7036

    • C:\Users\Admin\AppData\Local\Temp\tmpAD5F.tmp.bat

      Filesize

      149B

      MD5

      a94d635d554a978c7dc4151c926ff970

      SHA1

      0d65ed2e7a68bb015b7039be4b387b929f1d5df8

      SHA256

      3ac7435528a5ec3d2bc80c6db3a80ede583e69b080386c8082e532dc339726e8

      SHA512

      ad0e716bff2853ffc2d968740787f59872334018a8a486216fbf049366e35f24303435abcd449e7881102c743ffa3a0da138ddfd12dcdf34bd12c795e99e9585

    • C:\Users\Admin\AppData\Local\Temp\~$3b2n5DSR.xlsm

      Filesize

      165B

      MD5

      ff09371174f7c701e75f357a187c06e8

      SHA1

      57f9a638fd652922d7eb23236c80055a91724503

      SHA256

      e4ba04959837c27019a2349015543802439e152ddc4baf4e8c7b9d2b483362a8

      SHA512

      e4d01e5908e9f80b7732473ec6807bb7faa5425e3154d5642350f44d7220af3cffd277e0b67bcf03f1433ac26a26edb3ddd3707715b61d054b979fbb4b453882

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\Z6O5ERFCNOIGU6WP0RTC.temp

      Filesize

      7KB

      MD5

      522a7b490fbbce3b2d24fbb71eb449c4

      SHA1

      872053ba378c6634edd66f9bd95df3c19d38646d

      SHA256

      701e722df627f55d863d7af9d9eff11af558d0d381f6324d89cc90b939cb1fa7

      SHA512

      3fe8f81d0fe21cf0dce85c4f3136404860ec9d4e09d13d5c76ec50dbc4507bda997ca54d0af68a8ae34be705b68e7f8b6d928d78bb3b38b6c09be681e1b7b493

    • 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/356-42-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1288-74-0x0000000001250000-0x000000000225A000-memory.dmp

      Filesize

      16.0MB

    • memory/2248-135-0x0000000001100000-0x0000000001118000-memory.dmp

      Filesize

      96KB

    • memory/2644-136-0x000000001B800000-0x000000001BAE2000-memory.dmp

      Filesize

      2.9MB

    • memory/2644-137-0x0000000001EF0000-0x0000000001EF8000-memory.dmp

      Filesize

      32KB

    • memory/2716-203-0x0000000000400000-0x00000000014C4000-memory.dmp

      Filesize

      16.8MB

    • memory/2716-255-0x0000000000400000-0x00000000014C4000-memory.dmp

      Filesize

      16.8MB

    • memory/2716-285-0x0000000000400000-0x00000000014C4000-memory.dmp

      Filesize

      16.8MB

    • memory/2716-291-0x0000000000400000-0x00000000014C4000-memory.dmp

      Filesize

      16.8MB

    • memory/2804-17-0x00000000009B0000-0x00000000019BA000-memory.dmp

      Filesize

      16.0MB

    • memory/2808-207-0x0000000000110000-0x0000000000128000-memory.dmp

      Filesize

      96KB

    • memory/2864-0-0x0000000000220000-0x0000000000221000-memory.dmp

      Filesize

      4KB

    • memory/2864-26-0x0000000000400000-0x00000000014C4000-memory.dmp

      Filesize

      16.8MB

    • memory/3056-132-0x0000000000400000-0x00000000004D5000-memory.dmp

      Filesize

      852KB