General

  • Target

    Invoice-541221.exe

  • Size

    11.0MB

  • Sample

    240815-s3gtyatfrn

  • MD5

    98427670752fdc1602d91149b17a1e91

  • SHA1

    bb178d4f00416007b33b909cb9604c72833500bf

  • SHA256

    dd57e25bab42325715b5ae27bf6578e309af829d8e7534db8f828b8dbc870120

  • SHA512

    8f2cfd77eb4d7dda1eb77b457669e7401af86f7c64c0b0f96002284d9d3092f9bb4985beeed1d41a5b8a7be0b846eef24d6dc5aed529a573f21d0b74d09d1e03

  • SSDEEP

    196608:9n6V8KNM5Fd4NpJMQ8rKI/ooTCuSq5aS6yqolsbBClg2Ml23Sl6LQgq:9n6qKafONpuQ8M2laxyLlACg2MUClv

Malware Config

Extracted

Family

asyncrat

Version

| Edit by Vinom Rat

Botnet

8/4/2004

C2

luxeloot.info:2005

Mutex

AsyncMutex_345JNFV3c

Attributes
  • delay

    3

  • install

    false

  • install_file

    ANON.EXE.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      Invoice-541221.exe

    • Size

      11.0MB

    • MD5

      98427670752fdc1602d91149b17a1e91

    • SHA1

      bb178d4f00416007b33b909cb9604c72833500bf

    • SHA256

      dd57e25bab42325715b5ae27bf6578e309af829d8e7534db8f828b8dbc870120

    • SHA512

      8f2cfd77eb4d7dda1eb77b457669e7401af86f7c64c0b0f96002284d9d3092f9bb4985beeed1d41a5b8a7be0b846eef24d6dc5aed529a573f21d0b74d09d1e03

    • SSDEEP

      196608:9n6V8KNM5Fd4NpJMQ8rKI/ooTCuSq5aS6yqolsbBClg2Ml23Sl6LQgq:9n6qKafONpuQ8M2laxyLlACg2MUClv

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Drops startup file

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

    • Target

      $PLUGINSDIR/NAct.dll

    • Size

      206KB

    • MD5

      f443be9a48ce3b6aab6ddefce7565983

    • SHA1

      e3d313360ef71845a3e7ba7620325bb82ab4cfdb

    • SHA256

      d1e5b5d887fe5de2efcf084cbfa2992a04c04524d36cbe350c8c1319266eaaa7

    • SHA512

      b550ab575ce95d8342e20b394999e262788ff5cfa480fb80bf6540408fe2726747d80272e7bcac17f916995bff077a8ff0ce84d0d42c5c5024143634f3a71353

    • SSDEEP

      3072:YfZnhZnKQ8GhYLpx6psBoac5/pvla1QQC2mCOSvWOOCaQOPBjJ7YQueuV+Cjost:GJhZ/8GhYupsBfc5/LaY4WpxQOUpUs

    Score
    3/10
    • Target

      $PLUGINSDIR/System.dll

    • Size

      11KB

    • MD5

      bf712f32249029466fa86756f5546950

    • SHA1

      75ac4dc4808ac148ddd78f6b89a51afbd4091c2e

    • SHA256

      7851cb12fa4131f1fee5de390d650ef65cac561279f1cfe70ad16cc9780210af

    • SHA512

      13f69959b28416e0b8811c962a49309dca3f048a165457051a28a3eb51377dcaf99a15e86d7eee8f867a9e25ecf8c44da370ac8f530eeae7b5252eaba64b96f4

    • SSDEEP

      192:0N2gQuUwXzioj4KALV2upWzVd7q1QDXEbBZ8KxHdGzyS/Kx:rJoiO8V2upW7vQjS/

    Score
    3/10
    • Target

      $PLUGINSDIR/UAC.dll

    • Size

      14KB

    • MD5

      adb29e6b186daa765dc750128649b63d

    • SHA1

      160cbdc4cb0ac2c142d361df138c537aa7e708c9

    • SHA256

      2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

    • SHA512

      b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

    • SSDEEP

      192:DiF6v2imI36Op/tGZGfWxdyWHD0I53vLl7WVl8e04IpDlPjs:DGVY6ClGoWxXH75T1WVl83lLs

    Score
    3/10
    • Target

      $PLUGINSDIR/UserInfo.dll

    • Size

      4KB

    • MD5

      c7ce0e47c83525983fd2c4c9566b4aad

    • SHA1

      38b7ad7bb32ffae35540fce373b8a671878dc54e

    • SHA256

      6293408a5fa6d0f55f0a4d01528eb5b807ee9447a75a28b5986267475ebcd3ae

    • SHA512

      ee9f23ea5210f418d4c559628bbfb3a0f892440bcd5dc4c1901cb8e510078e4481ea8353b262795076a19055e70b88e08fee5fb7e8f35a6f49022096408df20e

    Score
    3/10
    • Target

      $PLUGINSDIR/nsDialogs.dll

    • Size

      9KB

    • MD5

      4ccc4a742d4423f2f0ed744fd9c81f63

    • SHA1

      704f00a1acc327fd879cf75fc90d0b8f927c36bc

    • SHA256

      416133dd86c0dff6b0fcaf1f46dfe97fdc85b37f90effb2d369164a8f7e13ae6

    • SHA512

      790c5eb1f8b297e45054c855b66dfc18e9f3f1b1870559014dbefa3b9d5b6d33a993a9e089202e70f51a55d859b74e8605c6f633386fd9189b6f78941bf1bfdb

    • SSDEEP

      192:SbEunjqjIcESwFlioU3M0LLF/t8t9pKSfOi:SbESjFCw6oWPFl8jfOi

    Score
    3/10
    • Target

      $TEMP/PDF READER/@New_x32DS.exe

    • Size

      12.5MB

    • MD5

      8b6c26c4d58c33f807aac62bb60e5748

    • SHA1

      73d46b6353f09bb05bfabda9c778e3f526599d4a

    • SHA256

      91b4f35d3cf26bd02c76b20cad1641877f566fe6234f62dc021a1a2df7f11a58

    • SHA512

      ebb5279fb0d5cac00bc63e045721f06e85a8ddebd6cc05720826695d50dac87b3b0c626e5e9875a6a3a212a3743297f268eccd891b13cad2214a2dbc4585de73

    • SSDEEP

      196608:DVZNJm3AqJ8Ef+r9onJ5hrZEK3e9tGPqK5N0wTbcKC9L3tm565:BZ/m3p2E+r9c5hlEK/PN8w3cb59m

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks