General

  • Target

    ORDER-210067.xls.exe

  • Size

    1.2MB

  • Sample

    210504-2ej6lzshm6

  • MD5

    0afcb9f210ad0fbae66276f583a0d04b

  • SHA1

    d26d65ae6cad14cbdeb1edfdca9d3eba3dee1c5c

  • SHA256

    c7a647398282460a21fe3334a15d327c975c23cfdf4e08028c440b04b0404b73

  • SHA512

    9aa577f488eca1846e8e10fae445164a03406189e65a8abd7a78f563af06999a0f1a97015da3cd008327ba125eacb421cf1352de6034e9ee6fbba64473b91b04

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

C2

chongmei33.publicvm.com:2703

chongmei33.publicvm.com:49746

chongmei33.publicvm.com:49703

chongmei33.publicvm.com:46943

185.165.153.116:2703

185.165.153.116:49746

185.165.153.116:49703

185.165.153.116:46943

54.37.36.116:2703

54.37.36.116:49746

54.37.36.116:49703

54.37.36.116:46943

185.244.30.92:2703

185.244.30.92:49746

185.244.30.92:49703

185.244.30.92:46943

dongreg202020.duckdns.org:2703

dongreg202020.duckdns.org:49746

dongreg202020.duckdns.org:49703

dongreg202020.duckdns.org:46943

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • aes_key

    URB8HbE2qoPxdQcCDSu3DcXrIBKuvbaM

  • anti_detection

    false

  • autorun

    false

  • bdos

    false

  • delay

    APP

  • host

    chongmei33.publicvm.com,185.165.153.116,54.37.36.116,185.244.30.92,dongreg202020.duckdns.org,178.33.222.241,rahim321.duckdns.org,79.134.225.92,37.120.208.36,178.33.222.243,87.98.245.48

  • hwid

    3

  • install_file

  • install_folder

    %AppData%

  • mutex

    AsyncMutex_6SI8OkPnk

  • pastebin_config

    null

  • port

    2703,49746,49703,46943

  • version

    0.5.7B

aes.plain

Targets

    • Target

      ORDER-210067.xls.exe

    • Size

      1.2MB

    • MD5

      0afcb9f210ad0fbae66276f583a0d04b

    • SHA1

      d26d65ae6cad14cbdeb1edfdca9d3eba3dee1c5c

    • SHA256

      c7a647398282460a21fe3334a15d327c975c23cfdf4e08028c440b04b0404b73

    • SHA512

      9aa577f488eca1846e8e10fae445164a03406189e65a8abd7a78f563af06999a0f1a97015da3cd008327ba125eacb421cf1352de6034e9ee6fbba64473b91b04

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

    • Async RAT payload

    • 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

Tasks