Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    23/11/2023, 08:02

General

  • Target

    23112023_1602_coderna.exe

  • Size

    65KB

  • MD5

    cbb96929db676720addb90c67764d366

  • SHA1

    38e5458a902a87d4ad1e994d92a1dcdcd115c094

  • SHA256

    aa4bd04106c0aa7e985165538154e6b42923bd2662b00cd18776b97b7bd70342

  • SHA512

    8857e4a9cca6e58d3a390235a3090d2a09ee1a722bc375965ad7acef7cf39246fd2b75dcf63145a99813b3771c0aee93e5176b12949be69555029477798879d4

  • SSDEEP

    1536:M29tg/k4RWsUvaI9TRi/GW1jZERE8vU6aGmh0Rf8CbYvIQSGQYZzmbjf8riTRtx:M29tg/kwgE8vU6aGmKRfxbYwkn4IIXx

Malware Config

Extracted

Family

asyncrat

Version

AWS | 3Losh

Botnet

NNa

C2

buike.kozow.com:6606

buike.kozow.com:7707

buike.kozow.com:8808

Mutex

AsyncMut9348u95iuj3485u843u584iji34hr79duyh 9u324hiur934uiruu98

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#.

  • Async RAT payload 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\23112023_1602_coderna.exe
    "C:\Users\Admin\AppData\Local\Temp\23112023_1602_coderna.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:2516

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\Cab7FAD.tmp

          Filesize

          61KB

          MD5

          f3441b8572aae8801c04f3060b550443

          SHA1

          4ef0a35436125d6821831ef36c28ffaf196cda15

          SHA256

          6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

          SHA512

          5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

        • C:\Users\Admin\AppData\Local\Temp\Tar9562.tmp

          Filesize

          163KB

          MD5

          9441737383d21192400eca82fda910ec

          SHA1

          725e0d606a4fc9ba44aa8ffde65bed15e65367e4

          SHA256

          bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

          SHA512

          7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

        • memory/2516-0-0x0000000000AC0000-0x0000000000AD6000-memory.dmp

          Filesize

          88KB

        • memory/2516-1-0x0000000074C30000-0x000000007531E000-memory.dmp

          Filesize

          6.9MB

        • memory/2516-2-0x0000000004B60000-0x0000000004BA0000-memory.dmp

          Filesize

          256KB

        • memory/2516-55-0x0000000074C30000-0x000000007531E000-memory.dmp

          Filesize

          6.9MB

        • memory/2516-74-0x0000000004B60000-0x0000000004BA0000-memory.dmp

          Filesize

          256KB