General

  • Target

    a1010140f708dbc5ac52ef146bc31220d4b85e4623f2d29fddf2c302c77e9f6c

  • Size

    518KB

  • Sample

    220315-r8m3gabccm

  • MD5

    f0fc87cd7409e7f3a58c2a76244b7dc3

  • SHA1

    e7895424faef93fd015026a145e095be149b9df4

  • SHA256

    a1010140f708dbc5ac52ef146bc31220d4b85e4623f2d29fddf2c302c77e9f6c

  • SHA512

    a8e5bc94c3b0a624f45dbb144755501c0560c1c5bab7448e26e22b894c1add38ff42b8a72610b5e0be392bf3ba6b8927f521426f8d8b5527e64c1caa7b485010

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

2

C2

212.193.30.54:9524

Mutex

wyQ92!.,=FT72few

Attributes
  • anti_vm

    false

  • bsod

    false

  • delay

    3

  • install

    false

  • install_folder

    %AppData%

  • pastebin_config

    null

aes.plain

Targets

    • Target

      a1010140f708dbc5ac52ef146bc31220d4b85e4623f2d29fddf2c302c77e9f6c

    • Size

      518KB

    • MD5

      f0fc87cd7409e7f3a58c2a76244b7dc3

    • SHA1

      e7895424faef93fd015026a145e095be149b9df4

    • SHA256

      a1010140f708dbc5ac52ef146bc31220d4b85e4623f2d29fddf2c302c77e9f6c

    • SHA512

      a8e5bc94c3b0a624f45dbb144755501c0560c1c5bab7448e26e22b894c1add38ff42b8a72610b5e0be392bf3ba6b8927f521426f8d8b5527e64c1caa7b485010

    • 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

1
T1012

System Information Discovery

2
T1082

Tasks