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Resubmissions

11/03/2025, 16:25

250311-txbamsxq12 10

10/03/2025, 16:59

250310-vhtzwastaz 10

General

  • Target

    archive.rar

  • Size

    11.6MB

  • Sample

    250311-txbamsxq12

  • MD5

    88f853c79f8978c740a39b6ffeafdde3

  • SHA1

    2f142b3c96ef3b8d6b7705055a504fd0d4ed66a1

  • SHA256

    1ab7fef81e4a5325f70a7eb8f1e551edaa6344d16eb1aeca68974d89bb4e40db

  • SHA512

    fb3fc9b6b1e35dc812b2e328c46e177da57649be2679f02fc02addcf1f552aeb2dac5f900b4eb0cfbdfba2c8c378ba340882f9b32a016caedbc87b6c594dce8c

  • SSDEEP

    196608:/q710W0isAdLeCKHnNUdTp5S4OhUIyFaEkFNEDMYaHUgRhBJwYpSOc0VsG:AfdyTHN6pdZIyIXGDMN3jTprZ

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

2.58.56.179:2035

Mutex

r4ttlesn4ke_ufog3f8u3egef978

Attributes
  • delay

    1

  • install

    true

  • install_file

    Chrome.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      archive.rar

    • Size

      11.6MB

    • MD5

      88f853c79f8978c740a39b6ffeafdde3

    • SHA1

      2f142b3c96ef3b8d6b7705055a504fd0d4ed66a1

    • SHA256

      1ab7fef81e4a5325f70a7eb8f1e551edaa6344d16eb1aeca68974d89bb4e40db

    • SHA512

      fb3fc9b6b1e35dc812b2e328c46e177da57649be2679f02fc02addcf1f552aeb2dac5f900b4eb0cfbdfba2c8c378ba340882f9b32a016caedbc87b6c594dce8c

    • SSDEEP

      196608:/q710W0isAdLeCKHnNUdTp5S4OhUIyFaEkFNEDMYaHUgRhBJwYpSOc0VsG:AfdyTHN6pdZIyIXGDMN3jTprZ

    • AsyncRat

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

    • Asyncrat family

    • Exela Stealer

      Exela Stealer is an open source stealer originally written in .NET and later transitioned to Python that was first observed in August 2023.

    • Exelastealer family

    • Async RAT payload

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Modifies Windows Firewall

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Network Service Discovery

      Attempt to gather information on host's network.

    • Enumerates processes with tasklist

    • Hide Artifacts: Hidden Files and Directories

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks