Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    25/01/2024, 05:50

General

  • Target

    73e51598d70df9f164408abaaf346211.exe

  • Size

    291KB

  • MD5

    73e51598d70df9f164408abaaf346211

  • SHA1

    31998d8ae54173f71c132120cf62fbda266a33fc

  • SHA256

    238230eb6322dfb786b5e3054b44d1e0322aadfc44232111ec3db71e20503ee8

  • SHA512

    4ef11892e99551ef08d596947edd3a4c6c936a22edbb9c25f9e59279b7bf8ea4cf5c4e51a0e98b7c2753a1180f762138290f77239e353bf57959e6cd074132e5

  • SSDEEP

    3072:aFPdic8sB/RkDWMGdtFkZKm320SEuBJVJlACYpMHAsjyRhuKp4NS/wNBf+Dh8HiZ:QlxsmiKpBzJiPpMHAsehcNmm+DS4h

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

0.5.6D

Botnet

Default

C2

79.134.225.44:7450

Mutex

zesdluuiwc

Attributes
  • delay

    5

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Async RAT payload 6 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\73e51598d70df9f164408abaaf346211.exe
    "C:\Users\Admin\AppData\Local\Temp\73e51598d70df9f164408abaaf346211.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:880
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EzliZea" /XML "C:\Users\Admin\AppData\Local\Temp\tmp91F3.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2720
    • C:\Users\Admin\AppData\Local\Temp\73e51598d70df9f164408abaaf346211.exe
      "{path}"
      2⤵
        PID:2296

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\tmp91F3.tmp

            Filesize

            1KB

            MD5

            6b3207f25e436323c3d8fa06d175db09

            SHA1

            4e8ef9f9a8895537beae550cecfe652741c4abc4

            SHA256

            5ee6625f49079593002280669f88b7cca75f8232a6c82d4b69ba73e41af572a5

            SHA512

            933391cc9c28af19ebe7f7c4acf5b75c2a5b160ad035d94305828d6257b5aced05ea43691588b55bbd3bf157d1b134acf817d328c7de83edc754d1fe60266bce

          • memory/880-0-0x0000000000B70000-0x0000000000BC0000-memory.dmp

            Filesize

            320KB

          • memory/880-1-0x0000000074EA0000-0x000000007558E000-memory.dmp

            Filesize

            6.9MB

          • memory/880-2-0x0000000004AC0000-0x0000000004B00000-memory.dmp

            Filesize

            256KB

          • memory/880-3-0x00000000003D0000-0x00000000003D8000-memory.dmp

            Filesize

            32KB

          • memory/880-4-0x0000000074EA0000-0x000000007558E000-memory.dmp

            Filesize

            6.9MB

          • memory/880-5-0x0000000004AC0000-0x0000000004B00000-memory.dmp

            Filesize

            256KB

          • memory/880-6-0x0000000005A40000-0x0000000005AA6000-memory.dmp

            Filesize

            408KB

          • memory/880-7-0x00000000005A0000-0x00000000005B4000-memory.dmp

            Filesize

            80KB

          • memory/880-26-0x0000000074EA0000-0x000000007558E000-memory.dmp

            Filesize

            6.9MB

          • memory/2296-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2296-15-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2296-17-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2296-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/2296-21-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2296-23-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2296-25-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2296-27-0x0000000074EA0000-0x000000007558E000-memory.dmp

            Filesize

            6.9MB

          • memory/2296-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2296-28-0x0000000004380000-0x00000000043C0000-memory.dmp

            Filesize

            256KB

          • memory/2296-29-0x0000000074EA0000-0x000000007558E000-memory.dmp

            Filesize

            6.9MB

          • memory/2296-30-0x0000000004380000-0x00000000043C0000-memory.dmp

            Filesize

            256KB