General

  • Target

    bc99619b2e53bcb983b0380aeeae5b40N.cab

  • Size

    430KB

  • Sample

    240831-a2aecswcmr

  • MD5

    bc99619b2e53bcb983b0380aeeae5b40

  • SHA1

    0f0bdcd16794bd110e00d002531d07908c25f5c7

  • SHA256

    dddb1986e75b4e018479c53776892814d67cef7bc99f2af657727502e138a06a

  • SHA512

    39184299462344ebd864e2b42a4bb926b05f63d067f0a07b2e38da61aa4e8fcf1642a18b82c932cb506eea7e586e187ceb220752049a2c65e35aee6bc9e51637

  • SSDEEP

    12288:3o5bbX11H7IKIHGx7pNYhoPYnBNZqGl4BEDXJ40v:SbX11b6Hu1oEGBNlVXJ40v

Malware Config

Targets

    • Target

      s5357799.exe

    • Size

      249KB

    • MD5

      5a458ff788c3a84a1596d354711618bd

    • SHA1

      beefcb258cce7f4d5f4fd988878906ecd022147f

    • SHA256

      5a82a81ce03a53acdbf59649a463f5b382413e5be775b381b442d607157f18d4

    • SHA512

      0cc48ee0887b8d471a449bb2aee562d6c3ed8f31c157f9c618e99948e9f4d1bbec4d38aaef1cbd77908673e424794e77e74ee96d4cb83c65b6ac59b8b725e80b

    • SSDEEP

      6144:LTcaGEZt20ZSwbz8+Dxe8kVAOllbp7iwh8Ey:LTFzZtT78T31Riwh8Ey

    • Target

      z1247603.exe

    • Size

      339KB

    • MD5

      9b995acf949571a6d38b503d48a98785

    • SHA1

      2753654bfa17386f1427956d4495e269c2178716

    • SHA256

      e80820126f8f3d130ab9d5c681edd6908387769819e09f0a98e37f72b0e2fed1

    • SHA512

      5decfc4cc8e40cd18dce1d956b9886f886a1e1e224bba4058f952631fada7df754d8c3d4665e884ee5aff537ebb00192a453d09e3bc912ad6740856b84740f0f

    • SSDEEP

      6144:KEy+bnr+sp0yN90QEu2hE7ZstgFVEXwyHHOoOBlpcTQBonu/PcgFP:AMrsy90A2hE7ZsthxHux7pmYh/PPP

    • Detect Mystic stealer payload

    • Detects Healer an antivirus disabler dropper

    • Healer

      Healer an antivirus disabler dropper.

    • Modifies Windows Defender Real-time Protection settings

    • Mystic

      Mystic is an infostealer written in C++.

    • Executes dropped EXE

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks