General

  • Target

    7293E77DC639774E1F63C8C5AC40385C.exe

  • Size

    70KB

  • Sample

    210416-khcmpwlc9s

  • MD5

    7293e77dc639774e1f63c8c5ac40385c

  • SHA1

    3614d62a9bd173136fd3580ce4241838a24195f8

  • SHA256

    790982e01edac3826610e508a021e2064c45d4307a5ba19cb5d217f8643b311c

  • SHA512

    efb0bcdc157ad1c17015986506f399b707cc66809a9a6ca8239f377dea2a49d3f54fca9139fb8edd8a196e1c90e99fff245078be11dc0e67dc17eee4dff1afe1

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

C2

52.177.173.249:1604

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • aes_key

    vPHMxAiiwKrqFXPwez44GQhXcu8PWmS0

  • anti_detection

    false

  • autorun

    true

  • bdos

    true

  • delay

    Default

  • host

    52.177.173.249

  • hwid

    3

  • install_file

  • install_folder

    %AppData%

  • mutex

    AsyncMutex_6SI8OkPnk

  • pastebin_config

    null

  • port

    1604

  • version

    0.5.7B

aes.plain

Targets

    • Target

      7293E77DC639774E1F63C8C5AC40385C.exe

    • Size

      70KB

    • MD5

      7293e77dc639774e1f63c8c5ac40385c

    • SHA1

      3614d62a9bd173136fd3580ce4241838a24195f8

    • SHA256

      790982e01edac3826610e508a021e2064c45d4307a5ba19cb5d217f8643b311c

    • SHA512

      efb0bcdc157ad1c17015986506f399b707cc66809a9a6ca8239f377dea2a49d3f54fca9139fb8edd8a196e1c90e99fff245078be11dc0e67dc17eee4dff1afe1

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

    • Async RAT payload

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Tasks