General

  • Target

    SARS Documents.doc

  • Size

    36KB

  • Sample

    210511-ctssybpxy2

  • MD5

    ea2c22c96421b40396d9d9a5ef2e4dc4

  • SHA1

    77a04b21f8e8c57b7f24c6681fcac30ca09fd42b

  • SHA256

    f8d44d7880640da690ec310d1d562a37f0f63e45503d8eb8710f40dd062cf401

  • SHA512

    70068a330cbb1e368f941625649e0a5f0fc8f6da9def43a440ca9d19fece1f74a51ff03f7e430278f1cdf9c2c762f271f985b15cf96a40438d9a9bcc97b5814a

Malware Config

Targets

    • Target

      SARS Documents.doc

    • Size

      36KB

    • MD5

      ea2c22c96421b40396d9d9a5ef2e4dc4

    • SHA1

      77a04b21f8e8c57b7f24c6681fcac30ca09fd42b

    • SHA256

      f8d44d7880640da690ec310d1d562a37f0f63e45503d8eb8710f40dd062cf401

    • SHA512

      70068a330cbb1e368f941625649e0a5f0fc8f6da9def43a440ca9d19fece1f74a51ff03f7e430278f1cdf9c2c762f271f985b15cf96a40438d9a9bcc97b5814a

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

    • Async RAT payload

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

3
T1082

Query Registry

2
T1012

Collection

Data from Local System

1
T1005

Tasks