General

  • Target

    DHL AWB #32536063331.exe

  • Size

    628KB

  • Sample

    240129-rdvttsbdg4

  • MD5

    95beead82533c654a3fc4575b4c777e9

  • SHA1

    8569c820d6ec3cb57482a417ab31be76bc4e70ec

  • SHA256

    35eec5e5dda33e2c7ea807619a3813a9e0562dc97fd5038e57eb519d86b5e572

  • SHA512

    d701a8966d963843e7027e04e333b792c16527748ac593a6e7b0c25c3b5cf8c36b391da00b9da7c847b8d5efcda359f3d8bdd4c98bc16b680a6b70cd7662f2e2

  • SSDEEP

    12288:MkKnLVq69Hrc82yTPZodHtRWztKK7RG1Jz8Ap2x9c8Q04fz/sGoisDsCVVLCLDZZ:AQy6ONsqLCLNhTr3

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

fresh01.ddns.net:2256

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_file

    Logs.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      DHL AWB #32536063331.exe

    • Size

      628KB

    • MD5

      95beead82533c654a3fc4575b4c777e9

    • SHA1

      8569c820d6ec3cb57482a417ab31be76bc4e70ec

    • SHA256

      35eec5e5dda33e2c7ea807619a3813a9e0562dc97fd5038e57eb519d86b5e572

    • SHA512

      d701a8966d963843e7027e04e333b792c16527748ac593a6e7b0c25c3b5cf8c36b391da00b9da7c847b8d5efcda359f3d8bdd4c98bc16b680a6b70cd7662f2e2

    • SSDEEP

      12288:MkKnLVq69Hrc82yTPZodHtRWztKK7RG1Jz8Ap2x9c8Q04fz/sGoisDsCVVLCLDZZ:AQy6ONsqLCLNhTr3

    • AsyncRat

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

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • Async RAT payload

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • Target

      $PLUGINSDIR/System.dll

    • Size

      11KB

    • MD5

      17ed1c86bd67e78ade4712be48a7d2bd

    • SHA1

      1cc9fe86d6d6030b4dae45ecddce5907991c01a0

    • SHA256

      bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb

    • SHA512

      0cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5

    • SSDEEP

      192:eY24sihno00Wfl97nH6T2enXwWobpWBTU4VtHT7dmN35Ol+Sl:E8QIl975eXqlWBrz7YLOl+

    Score
    3/10
    • Target

      keywords.txt

    • Size

      1010B

    • MD5

      4d3c8d141484bbb0b8be03c13894ec9f

    • SHA1

      1fbb29a4d6a1f48745e6d67bfa110306bc54c6ba

    • SHA256

      c74e743057bfb38a767f3666df1d16587e2e529a070d1621be0e737366011471

    • SHA512

      e4b9dd5c3585c24301ac71d7849616d680b25d2b340192c31c3de38a9546564cb30aa1b08bdbcba9e3b87303cd5f3bdb93e37c399bc9d056a68b9bbc7a0a3329

    Score
    1/10
    • Target

      vtablog.dll

    • Size

      268KB

    • MD5

      35119e61479373ba5d7433f106556e79

    • SHA1

      096a7d227eb2514d76ec5d10bfd1cf165d4a9177

    • SHA256

      f21d9de02c67e51bb9f7163f676f2d4710b2befae04fd0751a63cf1278c48a3c

    • SHA512

      21318d0924393c8269419df5acc0c07ca2f754fd9d9ad80d393cf7ebec1b16986d123f2775ae210383b7faa106ed84e829c949004a123da844c07f2b46387453

    • SSDEEP

      3072:s1vaCg+eY9yp71driAAYBnk/+eeaQyJen3n83fucakiD88iryUBw:ovDgZYq/rzfNufuceD5UBw

    Score
    1/10

MITRE ATT&CK Enterprise v15

Tasks