General

  • Target

    RC7.zip

  • Size

    1.3MB

  • Sample

    240804-3war6avale

  • MD5

    ba1d173c86f1757d5afd626ac8654a46

  • SHA1

    ad5a96395c1856976ccc21a5475c8abee46a7395

  • SHA256

    dcaf229e56e1b0f267d7e99b63920150ef1c18f8bcbf4da94c9ac592c75bdbe8

  • SHA512

    4f5bd6c43004e5daf86e0a9353821b8e55c735a9318ba035db36221387024645a0c5418bd9ca1ab21cb2130e1893650abafa6ea081b5cb82396201d376783208

  • SSDEEP

    24576:jC3aGYqXtuh05vkLFz/cQO9JLyxa47UI4Gp+visFLfd++NYd++2MwvesVdRLFlr:EYT0iLBYJia4734GpUzd++N7HTjlr

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

45.90.13.137:7707

Mutex

HleCBmrMxwFA

Attributes
  • delay

    3

  • install

    true

  • install_file

    Server-Host.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      RC7.zip

    • Size

      1.3MB

    • MD5

      ba1d173c86f1757d5afd626ac8654a46

    • SHA1

      ad5a96395c1856976ccc21a5475c8abee46a7395

    • SHA256

      dcaf229e56e1b0f267d7e99b63920150ef1c18f8bcbf4da94c9ac592c75bdbe8

    • SHA512

      4f5bd6c43004e5daf86e0a9353821b8e55c735a9318ba035db36221387024645a0c5418bd9ca1ab21cb2130e1893650abafa6ea081b5cb82396201d376783208

    • SSDEEP

      24576:jC3aGYqXtuh05vkLFz/cQO9JLyxa47UI4Gp+visFLfd++NYd++2MwvesVdRLFlr:EYT0iLBYJia4734GpUzd++N7HTjlr

    Score
    1/10
    • Target

      RC7 (5) (1)/First.deps.json

    • Size

      407B

    • MD5

      1c6af07f5e054bc005f172fa8487c5ed

    • SHA1

      4880dd8a6e9b72809b1bbd36bf679690ac9c7931

    • SHA256

      13b10c533eafa0a1111ee62f978d4407bad2e5efe86c1d11cb1ef07d67796fd8

    • SHA512

      24e4099df987b8a9170220d2d58e4bafc72927ddf07b7dd0b400f8b8f416501d112cdb8fd6d7968025d02090e5bf6f8e9ffa4e4cc785fbc5175fbd160d0c46ac

    Score
    3/10
    • Target

      RC7 (5) (1)/First.dll

    • Size

      7KB

    • MD5

      64fb3c0c1269bdb3119d0aeca9783c69

    • SHA1

      39903892a687e03aebfd1de9c407e724bf5024fb

    • SHA256

      77ea5129b0e8145f00c040a5a7db84b37d6b736f488e866545ae072ad9ca221a

    • SHA512

      22565870393c6353591bd2eabc9748e269704277bdb1df7faaa99564ed78988a455df4a515de8231cbfa6655ea3eeabd137fa2fa0b162132d6e08fb329e5381b

    • SSDEEP

      96:rddBmJWilc/5eFLxHolIOCcmMdPpkwWNFRR1X+W6FnCSHN/CNVWzwkSTozNt:pyJpieF9Ho0cm69TCekpq

    Score
    1/10
    • Target

      RC7 (5) (1)/First.exe

    • Size

      139KB

    • MD5

      d5f71f93624190439b569498acca69a9

    • SHA1

      323c616a5ed5e680b221f1db6acfa222e8be719a

    • SHA256

      8bcb2329f01af33a1707f6a1a749987cfaff3976a9bcdbffad37d477dd5fd8ab

    • SHA512

      e03043bbd4389f77d337a33d92764496bd5a84654a95a3792de0a025765d43a795ef1351a64d96c6ae1f85daadc68a1c1fdc192a9adb153a15cf1cb71607b715

    • SSDEEP

      3072:+iS4omp03WQthI/9S3BZi08iRQ1G78IVn27bSfcJK8ltX:+iS4ompB9S3BZi0a1G78IVhcgct

    • AsyncRat

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

    • Modifies Windows Defender Real-time Protection settings

    • Async RAT payload

    • Disables Task Manager via registry modification

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Target

      RC7 (5) (1)/First.pdb

    • Size

      10KB

    • MD5

      9b443e924bef08f021422fdc1a6edde7

    • SHA1

      216e925a96f92827efac247904ba97343be57c1c

    • SHA256

      5212b77b76e6b7e56551074c424a56d0c03d4e0fc8502dd836fa5c2627b1d4a6

    • SHA512

      88162989db275d77bff04a9a0262d534272be23db430fdaa86321ff25780ed61c6aa256b69d6ceda958ca371f631fb8b9563df4ae144ad8d1c983b95e90941d6

    • SSDEEP

      192:4MocM3yCgLm/cXpCZbd+auMDDtSbrUvT+TUgVhkXIh2/8tLcwkQH4raayHVfIUXJ:4MxErgCZbd+auMDDtSHaT+1VhkXIhvt9

    Score
    3/10
    • Target

      RC7 (5) (1)/First.runtimeconfig.json

    • Size

      268B

    • MD5

      9fcdf880f73e74cf6347f8194b9f3509

    • SHA1

      ab571c7ed4920129c89c7e083f3c9f22597198bc

    • SHA256

      162d81f468bec570ec15e527433f4de5d5729ffe338ab79b22671f38760d34bd

    • SHA512

      23ea2a78914aeec443bded1e6dddb1fce61f0445c53e0428e97353dcc25e9ee80a98603069de336d57c1d12b00eb14ad59847137387df330a3925bd763f4fde1

    Score
    3/10
    • Target

      RC7 (5) (1)/READ ME.txt

    • Size

      506B

    • MD5

      8be52f0bed378536eeae278d8cede262

    • SHA1

      f70451795b80a21271b94dbfb4476f6def3ca27d

    • SHA256

      ee8e08bb7361c78544257c320d90767e7c32b6b30fd196283f0426a6d1c316d9

    • SHA512

      7d8e01ca909659e39a2f3a49e550f020db2210b8dc8b5f5fabddce30c226e3740ee59a53a941a45b3f1932e6d50d7e781b4e3de94d1d8e92f0a9bcb9043c9e89

    Score
    1/10
    • Target

      RC7 (5) (1)/ScintillaNET.dll

    • Size

      1.3MB

    • MD5

      9166536c31f4e725e6befe85e2889a4b

    • SHA1

      f0cd8253b7e64157d39a8dc5feb8cf7bda7e8dae

    • SHA256

      ad0cc5a4d4a6aae06ee360339c851892b74b8a275ce89c1b48185672179f3163

    • SHA512

      113a7b77d2d557d135470787deead744d42f8292d853e2b55074e9cb3591fd045ffd10e5c81b5c15dde55861b806363568611e591ae25dcb31cf011da7e72562

    • SSDEEP

      24576:IJSShz305vgNF7/cOCPHPSVs4Eq+QTNX+cfQdS+2MMPishd/Ws5:ti0aNvoHqs4L95X+cfx/HGC

    Score
    1/10

MITRE ATT&CK Enterprise v15

Tasks