General

  • Target

    af1c3dd3dc0c3a7e1b4d829f79077e41e17ce8f95cbdcfef7cc7bc0e5b18c7d8

  • Size

    32KB

  • Sample

    220218-nc6yxsdcfl

  • MD5

    cc1b6971441d2ec84c14247d4f014912

  • SHA1

    a786dcb3bffe527a6954d3c242138d34707e21d3

  • SHA256

    af1c3dd3dc0c3a7e1b4d829f79077e41e17ce8f95cbdcfef7cc7bc0e5b18c7d8

  • SHA512

    a91cf7ebd024a5431ee8e2202740809fb6dace5d4965be107b6f83bbed34f21bde21d45a79e08401791cd204db8d9c23b00d791f8bc5714a6e33022f8aada77b

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

1

C2

212.193.30.54:8755

Mutex

gyQ12!.,=FD7trew

Attributes
  • anti_vm

    false

  • bsod

    false

  • delay

    3

  • install

    false

  • install_folder

    %AppData%

  • pastebin_config

    null

aes.plain

Targets

    • Target

      af1c3dd3dc0c3a7e1b4d829f79077e41e17ce8f95cbdcfef7cc7bc0e5b18c7d8

    • Size

      32KB

    • MD5

      cc1b6971441d2ec84c14247d4f014912

    • SHA1

      a786dcb3bffe527a6954d3c242138d34707e21d3

    • SHA256

      af1c3dd3dc0c3a7e1b4d829f79077e41e17ce8f95cbdcfef7cc7bc0e5b18c7d8

    • SHA512

      a91cf7ebd024a5431ee8e2202740809fb6dace5d4965be107b6f83bbed34f21bde21d45a79e08401791cd204db8d9c23b00d791f8bc5714a6e33022f8aada77b

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

    • Async RAT payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Adds Run key to start application

    • 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

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Remote System Discovery

1
T1018

Tasks