General

  • Target

    f92072637a0d5eede9213405cca50f48_JaffaCakes118

  • Size

    61KB

  • Sample

    240419-a3k79acf2z

  • MD5

    f92072637a0d5eede9213405cca50f48

  • SHA1

    c326fafaf0b92a501e99286f7ceb4a0313f97eae

  • SHA256

    e958305ce1aba8b1314c35d65ce711e9336d55e1b445560adc053c4446a32d60

  • SHA512

    4d1ae93e239790a484785df89f662fa2b04accc89d79e6367ad7c84731b9b53badaa9afba4d0281dabcdc5d3a94c25f901b86e4dfaec1706cf63b5e8c4100afb

  • SSDEEP

    1536:8F2cc2/ndOQvL0KKBoLdAkKFOmm5air0TIe:8F2ccQGoL2v47ccyIe

Malware Config

Targets

    • Target

      f92072637a0d5eede9213405cca50f48_JaffaCakes118

    • Size

      61KB

    • MD5

      f92072637a0d5eede9213405cca50f48

    • SHA1

      c326fafaf0b92a501e99286f7ceb4a0313f97eae

    • SHA256

      e958305ce1aba8b1314c35d65ce711e9336d55e1b445560adc053c4446a32d60

    • SHA512

      4d1ae93e239790a484785df89f662fa2b04accc89d79e6367ad7c84731b9b53badaa9afba4d0281dabcdc5d3a94c25f901b86e4dfaec1706cf63b5e8c4100afb

    • SSDEEP

      1536:8F2cc2/ndOQvL0KKBoLdAkKFOmm5air0TIe:8F2ccQGoL2v47ccyIe

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Changes its process name

    • Deletes system logs

      Deletes log file which contains global system messages. Adversaries may delete system logs to minimize their footprint.

    • Executes dropped EXE

    • Flushes firewall rules

      Flushes/ disables firewall rules inside the Linux kernel.

    • Loads a kernel module

      Loads a Linux kernel module, potentially to achieve persistence

    • Writes DNS configuration

      Writes data to DNS resolver config file.

    • Attempts to change immutable files

      Modifies inode attributes on the filesystem to allow changing of immutable files.

    • Checks CPU configuration

      Checks CPU information which indicate if the system is a virtual machine.

    • Creates/modifies Cron job

      Cron allows running tasks on a schedule, and is commonly used for malware persistence.

    • Disables AppArmor

      Disables AppArmor security module.

    • Disables SELinux

      Disables SELinux security module.

    • Enumerates running processes

      Discovers information about currently running processes on the system

    • Reads CPU attributes

    • Write file to user bin folder

MITRE ATT&CK Enterprise v15

Tasks