Resubmissions

08-11-2024 15:13

241108-slqqhsvcjl 4

08-11-2024 15:11

241108-skk4msvbqq 4

08-11-2024 14:30

241108-rvgzassrev 8

08-11-2024 14:22

241108-rp3c2stelg 10

General

  • Target

    AppOnFly Windows VPS & Cloud Gaming.mhtml

  • Size

    428KB

  • Sample

    241108-rp3c2stelg

  • MD5

    fe263d9bd308bc908394eca99554fb0d

  • SHA1

    e7870bea23376f8db3eef956973ad9ba64050b73

  • SHA256

    61c56c08353cf2eeb3d498b61708937f4d17fd4f0eee30138ed3c54a9978c3a2

  • SHA512

    0bcf16d0175fdf12fa468c5a905d78ad888236120ecee0789478e24f7242fc07cf6055b8a721bbe560f22eea0d0f12b5f1d4c0693f6898ff61553704fffdde7d

  • SSDEEP

    3072:nMI1RVRRdjxBV7TYkzPGOPEvwPXcn/E84mSWaed+5vj:nMUBUkzuOL/cnU

Malware Config

Targets

    • Target

      attachment-11

    • Size

      164B

    • MD5

      a486162ecb3021a182a60288e18a03fe

    • SHA1

      0ab27a7d2d0bfdcdeae728711cb06b33943d6f07

    • SHA256

      febc2ce8e9828629f1d94ab116e1bef65f89ed0307c189f241800e6c2a84d540

    • SHA512

      00ff9a4e5716fce1ed93f17cd6d2c010ccee90bb450fed70b9236df9d62dd708cfdf155020bb7d30458e5894cab5b481e1f980c959fbcfdd540c56eda8b8a57c

    • Adds autorun key to be loaded by Explorer.exe on startup

    • Modifies WinLogon for persistence

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Downloads MZ/PE file

    • Event Triggered Execution: AppInit DLLs

      Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

    • Event Triggered Execution: Image File Execution Options Injection

    • Manipulates Digital Signatures

      Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

    • A potential corporate email address has been identified in the URL: [email protected]

    • Checks computer location settings

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

    • Executes dropped EXE

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Legitimate hosting services abused for malware hosting/C2

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Modifies WinLogon

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Sets desktop wallpaper using registry

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks