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Analysis

  • max time kernel
    94s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/12/2024, 21:27

General

  • Target

    NOTIFICACION ELECTRONICA J AGRADECEMOS PRONTA CONFIRMACION DE RECIBIDO NUMERO DE RADICADO 0201494303.exe

  • Size

    1.9MB

  • MD5

    16d2607288fb726450f200b7c935862e

  • SHA1

    99ab6d9f3f8080965108bcf13d98dd215edc66be

  • SHA256

    e758ad080b4fb8b693c2e60648871b2e01a5a3438a1e78707135ee921ed78b0a

  • SHA512

    15e5cff16dbff19ada258d690db796616b3dfe6757cab626e79efe187521a5688f58cfb4aecb652960c6de71446b867872dd3498b9c4372063980275bc7618fb

  • SSDEEP

    49152:l3SirYhIitmZrbQhrHqxZrbQhrHqIpV9m0t4c:l3mtmZrbQhrHqxZrbQhrHqm

Malware Config

Extracted

Family

asyncrat

Version

| CRACKED BY https://t.me/xworm_v2

Botnet

*** AVE FENIX ***

C2

holadic02.duckdns.org:9003

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Asyncrat family
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 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
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NOTIFICACION ELECTRONICA J AGRADECEMOS PRONTA CONFIRMACION DE RECIBIDO NUMERO DE RADICADO 0201494303.exe
    "C:\Users\Admin\AppData\Local\Temp\NOTIFICACION ELECTRONICA J AGRADECEMOS PRONTA CONFIRMACION DE RECIBIDO NUMERO DE RADICADO 0201494303.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1008
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1188
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpFD76.tmp.bat""
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2992
        • C:\Windows\SysWOW64\timeout.exe
          timeout 3
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:1608
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1008 -s 140
      2⤵
      • Program crash
      PID:4956
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1008 -ip 1008
    1⤵
      PID:3636

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpFD76.tmp.bat

      Filesize

      167B

      MD5

      c2f734d98985bdc08475d25351dd3c49

      SHA1

      d5594c3ceba1ad6bc23035857a56f6996d94b4ce

      SHA256

      8f4a04b1978e36386e1868667e295e811495bdc8bbcad7635246bff1b8e3255e

      SHA512

      3d0db456f44a193447b7e8704e03bf6eb2a844ba2a79922be0e35745de4fbc790fad4858086635dfa43657b16baf291716f87e7546031743b1db5f7ac483aebf

    • memory/1008-1-0x0000000000416000-0x000000000042F000-memory.dmp

      Filesize

      100KB

    • memory/1008-0-0x0000000000400000-0x00000000005E8000-memory.dmp

      Filesize

      1.9MB

    • memory/1008-3-0x0000000000400000-0x00000000005E8000-memory.dmp

      Filesize

      1.9MB

    • memory/1008-6-0x0000000000400000-0x00000000005E8000-memory.dmp

      Filesize

      1.9MB

    • memory/1008-8-0x0000000000400000-0x00000000005E8000-memory.dmp

      Filesize

      1.9MB

    • memory/1008-10-0x0000000000400000-0x00000000005E8000-memory.dmp

      Filesize

      1.9MB

    • memory/1008-5-0x0000000000400000-0x00000000005E8000-memory.dmp

      Filesize

      1.9MB

    • memory/1008-4-0x0000000000400000-0x00000000005E8000-memory.dmp

      Filesize

      1.9MB

    • memory/1008-22-0x0000000000416000-0x000000000042F000-memory.dmp

      Filesize

      100KB

    • memory/1008-20-0x0000000000400000-0x00000000005E8000-memory.dmp

      Filesize

      1.9MB

    • memory/1008-13-0x0000000000416000-0x000000000042F000-memory.dmp

      Filesize

      100KB

    • memory/1188-16-0x00000000058E0000-0x000000000597C000-memory.dmp

      Filesize

      624KB

    • memory/1188-23-0x0000000000A40000-0x0000000000AB6000-memory.dmp

      Filesize

      472KB

    • memory/1188-18-0x0000000005980000-0x00000000059E6000-memory.dmp

      Filesize

      408KB

    • memory/1188-19-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

      Filesize

      4KB

    • memory/1188-12-0x0000000074B40000-0x00000000752F0000-memory.dmp

      Filesize

      7.7MB

    • memory/1188-11-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

      Filesize

      4KB

    • memory/1188-21-0x0000000074B40000-0x00000000752F0000-memory.dmp

      Filesize

      7.7MB

    • memory/1188-17-0x0000000005F30000-0x00000000064D4000-memory.dmp

      Filesize

      5.6MB

    • memory/1188-24-0x00000000009C0000-0x00000000009D4000-memory.dmp

      Filesize

      80KB

    • memory/1188-25-0x0000000000BE0000-0x0000000000BFE000-memory.dmp

      Filesize

      120KB

    • memory/1188-26-0x00000000074C0000-0x0000000007552000-memory.dmp

      Filesize

      584KB

    • memory/1188-27-0x0000000000DE0000-0x0000000000E04000-memory.dmp

      Filesize

      144KB

    • memory/1188-7-0x00000000001E0000-0x00000000001F6000-memory.dmp

      Filesize

      88KB

    • memory/1188-32-0x0000000074B40000-0x00000000752F0000-memory.dmp

      Filesize

      7.7MB