General

  • Target

    6dc582c90bde0f7532e4503c39f0ca5a7fb7c269d9303636dd33eae0561b3df1

  • Size

    195KB

  • Sample

    230121-sakp5ada29

  • MD5

    dc345adb427ceb03c7ae434607efc21b

  • SHA1

    29b6993b4673c1743eb895d7f1b507fa40ff6dc5

  • SHA256

    6dc582c90bde0f7532e4503c39f0ca5a7fb7c269d9303636dd33eae0561b3df1

  • SHA512

    1d9529a6b74462ffbdc9ac9ccba2178096877a67a9b1e71394a4f7e7380d24f4f6f2dc4dd69bb9ba91291bb83291be56b63d286fa1856faa489e109448b26527

  • SSDEEP

    3072:cBN4X3cMtr+hLlB9S8v5eXHtQqJ58Q85I/2X0yL5YK+xWmiKaBjhVw/oPCal:Um1SLlTS8oX2qJA9X0yIWUaBQ/oPCa

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

95.216.52.21:8848

Mutex

ytojilhumccb

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      6dc582c90bde0f7532e4503c39f0ca5a7fb7c269d9303636dd33eae0561b3df1

    • Size

      195KB

    • MD5

      dc345adb427ceb03c7ae434607efc21b

    • SHA1

      29b6993b4673c1743eb895d7f1b507fa40ff6dc5

    • SHA256

      6dc582c90bde0f7532e4503c39f0ca5a7fb7c269d9303636dd33eae0561b3df1

    • SHA512

      1d9529a6b74462ffbdc9ac9ccba2178096877a67a9b1e71394a4f7e7380d24f4f6f2dc4dd69bb9ba91291bb83291be56b63d286fa1856faa489e109448b26527

    • SSDEEP

      3072:cBN4X3cMtr+hLlB9S8v5eXHtQqJ58Q85I/2X0yL5YK+xWmiKaBjhVw/oPCal:Um1SLlTS8oX2qJA9X0yIWUaBQ/oPCa

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

    • Async RAT payload

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Deletes itself

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks