General

  • Target
    8e048607275f42adff61e4adfee9df0c_JaffaCakes118
  • Size 943KB
  • Sample240602-n83alscb4w
  • SHA256 502a0e685078b5c44fd566ea2f14c7f998fbb1d04f6527a5c289bc661e6b9944
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • sendsafe

Botnet
  • UNREGISTERED

C2
  • 91.220.131.43:50003

  • 91.220.131.43:50004

Attributes
  • service_name

    Enterprise Mailing Service

Targets

    • Target
      8e048607275f42adff61e4adfee9df0c_JaffaCakes118
    • Size 943KB
    • SHA256 502a0e685078b5c44fd566ea2f14c7f998fbb1d04f6527a5c289bc661e6b9944
    • MD5 SHA1 SHA512 SSDEEP
    • SendSafe

      SendSafe is a notorious spam tool which then turned into spam botnet.

    • SendSafe payload

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

    • Target
      $PLUGINSDIR/InstallOptions.dll
    • Size 14KB
    • SHA256 e560384c5298ee2123e8340e716b2c4680f51b4d0347995ba3290dbd1130c6c0
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      $PLUGINSDIR/System.dll
    • Size 11KB
    • SHA256 44e5dfd551b38e886214bd6b9c8ee913c4c4d1f085a6575d97c3e892b925da82
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      405.htm
    • Size 1KB
    • SHA256 f42aa8b08eac61b29a5cddc51819a28a692b69480948f7d003485c0dbddedd8b
    • MD5 SHA1 SHA512
    Score
    1/10
    • Target
      SFhelper.dll
    • Size 54KB
    • SHA256 887634e1ad732a47bb0823144957b18e5376dac6dc228c4e69c8bf1dc99de34a
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      docbook-xsl-update
    • Size 1KB
    • SHA256 6785bc061d585d645cd76d14828928133433cdb329ccc694541f8321f424460a
    • MD5 SHA1 SHA512
    Score
    3/10
    • Target
      head.js
    • Size 25B
    • SHA256 f5f9b7e1859d47775dfe65573624e84f1e2d6f9c2a3a08f684b8148cefb720e8
    • MD5 SHA1 SHA512
    Score
    3/10
    • Target
      networkEventSubscribe.jsx
    • Size 552B
    • SHA256 c42c59b298bdfeb22070a10dd34521c4cca4cc2545dfff7a46dc0f30dc0aed28
    • MD5 SHA1 SHA512
    Score
    3/10
    • Target
      parse_modified.js
    • Size 249B
    • SHA256 e350afcbf6527342cd85d99f091ce9acdbf2a1a2f64c95202786dc8fde8e2a26
    • MD5 SHA1 SHA512
    Score
    3/10
    • Target
      root.js
    • Size 480B
    • SHA256 bb0c776e9e011b5bcf3d4f313a4aa4b2a3a5ba9f26430d34c55df05e8dc4c0f0
    • MD5 SHA1 SHA512
    Score
    3/10

MITRE ATT&CK Enterprise v15

Tasks