Resubmissions

23/01/2024, 08:52

240123-ksq1vsghcq 10

23/01/2024, 02:33

240123-c1vd9afadn 10

Analysis

  • max time kernel
    143s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/01/2024, 08:52

General

  • Target

    01ba5474eb258af7537da60d65d652a9f6acd92c7f0799db01356261f019c639.exe

  • Size

    48KB

  • MD5

    1f58a5ef877adab164e528929729d3b0

  • SHA1

    d1aa7ed83011d8b5c72c875f0e30ccc31d6c245d

  • SHA256

    01ba5474eb258af7537da60d65d652a9f6acd92c7f0799db01356261f019c639

  • SHA512

    f7698c86454d034460946effb224c2922806b5c39686ef9817befecb033f72a9d03f400baaa69516396756e80ebfc63f7ed8f1b60eaf5f4702c4ccfc964ae03d

  • SSDEEP

    768:8ukLVT0kLd3WULgPdVmo2qDGEZIdeNxsMxPIjqoQcyL0bE0LwylVdTNztVftBDZ1:8ukLVT0Mq12+GeDzujq0yAbE0dlPTN5Z

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

127.0.0.1:8080

20.98.203.218:8080

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    Axenta.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Async RAT payload 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 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.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\01ba5474eb258af7537da60d65d652a9f6acd92c7f0799db01356261f019c639.exe
    "C:\Users\Admin\AppData\Local\Temp\01ba5474eb258af7537da60d65d652a9f6acd92c7f0799db01356261f019c639.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1152
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Axenta" /tr '"C:\Users\Admin\AppData\Roaming\Axenta.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1636
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "Axenta" /tr '"C:\Users\Admin\AppData\Roaming\Axenta.exe"'
        3⤵
        • Creates scheduled task(s)
        PID:4532
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp611B.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2436
      • C:\Users\Admin\AppData\Roaming\Axenta.exe
        "C:\Users\Admin\AppData\Roaming\Axenta.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:4872
  • C:\Windows\SysWOW64\timeout.exe
    timeout 3
    1⤵
    • Delays execution with timeout.exe
    PID:4700

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp611B.tmp.bat

          Filesize

          150B

          MD5

          e5683e9b399ba8c585895838e1f4d6f3

          SHA1

          547bd9a7f595b7a7d7b48d5b144eb2c0db3429dc

          SHA256

          2e89febc7b91ed7f3f740b7d5957dddcc6d48ff03ef2be3e401d2c5b68a548c0

          SHA512

          9fa4d00e62f47cd87f7be0da1c57e84a6085a66d4702ee07e6342f5ad622919220a013a520da24b4b927dfade57f4197c0e36330fc98383dab51179ece47c744

        • C:\Users\Admin\AppData\Roaming\Axenta.exe

          Filesize

          48KB

          MD5

          1f58a5ef877adab164e528929729d3b0

          SHA1

          d1aa7ed83011d8b5c72c875f0e30ccc31d6c245d

          SHA256

          01ba5474eb258af7537da60d65d652a9f6acd92c7f0799db01356261f019c639

          SHA512

          f7698c86454d034460946effb224c2922806b5c39686ef9817befecb033f72a9d03f400baaa69516396756e80ebfc63f7ed8f1b60eaf5f4702c4ccfc964ae03d

        • memory/1152-0-0x0000000000CA0000-0x0000000000CB2000-memory.dmp

          Filesize

          72KB

        • memory/1152-1-0x0000000074480000-0x0000000074C30000-memory.dmp

          Filesize

          7.7MB

        • memory/1152-2-0x0000000005610000-0x0000000005620000-memory.dmp

          Filesize

          64KB

        • memory/1152-3-0x00000000056C0000-0x000000000575C000-memory.dmp

          Filesize

          624KB

        • memory/1152-9-0x0000000074480000-0x0000000074C30000-memory.dmp

          Filesize

          7.7MB

        • memory/4872-13-0x00000000743E0000-0x0000000074B90000-memory.dmp

          Filesize

          7.7MB

        • memory/4872-14-0x00000000052E0000-0x00000000052F0000-memory.dmp

          Filesize

          64KB

        • memory/4872-15-0x00000000743E0000-0x0000000074B90000-memory.dmp

          Filesize

          7.7MB

        • memory/4872-16-0x00000000052E0000-0x00000000052F0000-memory.dmp

          Filesize

          64KB