Resubmissions

18-02-2025 16:21

250218-ttqadstlfr 10

17-02-2025 18:51

250217-xhfhla1phy 10

17-02-2025 16:12

250217-tnxghszqak 8

16-02-2025 19:06

250216-xsheyawjgq 10

16-02-2025 17:04

250216-vlhq1stmd1 10

General

  • Target

    test.txt

  • Size

    18B

  • Sample

    250215-yxsbdasmet

  • MD5

    5b3f97d48c8751bd031b7ea53545bdb6

  • SHA1

    88be3374c62f23406ec83bb11279f8423bd3f88d

  • SHA256

    d8fce9dd9c65ca143343f7711859a7cffc3c5e656a8b84108183fb769a12ed8b

  • SHA512

    ed2de1eec50310ced4bde8ef6ae4b7902920b007df7b6aeb200cfe9fcc0d36ef05af7526c4675be2feac52831668798d5fe3523175efad6f6549b30f30a0b5d6

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

dwasfsyfsfsd-31741.portmap.host:31741

dwasfsyfsfsd-31741.portmap.host:443

Mutex

8267JFL0U1yE

Attributes
  • delay

    3

  • install

    true

  • install_file

    dwasddd.exe

  • install_folder

    %AppData%

aes.plain
aes.plain

Targets

    • Target

      test.txt

    • Size

      18B

    • MD5

      5b3f97d48c8751bd031b7ea53545bdb6

    • SHA1

      88be3374c62f23406ec83bb11279f8423bd3f88d

    • SHA256

      d8fce9dd9c65ca143343f7711859a7cffc3c5e656a8b84108183fb769a12ed8b

    • SHA512

      ed2de1eec50310ced4bde8ef6ae4b7902920b007df7b6aeb200cfe9fcc0d36ef05af7526c4675be2feac52831668798d5fe3523175efad6f6549b30f30a0b5d6

    • AsyncRat

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

    • Asyncrat family

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • A potential corporate email address has been identified in the URL: [email protected]

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Mark of the Web detected: This indicates that the page was originally saved or cloned.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks