Overview

overview

10

Static

static

3

a5873a61d0...18.exe

windows7-x64

10

a5873a61d0...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a5873a61d08b07cd270a691f412d961a_JaffaCakes118

  • Size

    119KB

  • Sample

    240818-fyjfrazgkk

  • MD5

    a5873a61d08b07cd270a691f412d961a

  • SHA1

    4f9b1f81dbab348b0a0d8affae4d7bae9cc7ca32

  • SHA256

    97ee0eacc76ef32143fbf4f5d34aaa945bd9fd7343a15ce6e55f4de6f58d3403

  • SHA512

    2d73b0f6609de116f2714b6c886096e5af289ab5bd9f40db0e2250024edbb0cf55107d36c4f5f6cb7c79ec19bc19d1d539800b8accffa631e50f412e848edd3a

  • SSDEEP

    3072:Xv+Exfaz5SbRKCg3AGyxlNEj+VwlM4U+xRe:f+rI0CJGyxleyweN+x

Score
10/10
bootkitdiscoveryevasionpersistencetrojan

Malware Config

Targets

    • Target

      a5873a61d08b07cd270a691f412d961a_JaffaCakes118

    • Size

      119KB

    • MD5

      a5873a61d08b07cd270a691f412d961a

    • SHA1

      4f9b1f81dbab348b0a0d8affae4d7bae9cc7ca32

    • SHA256

      97ee0eacc76ef32143fbf4f5d34aaa945bd9fd7343a15ce6e55f4de6f58d3403

    • SHA512

      2d73b0f6609de116f2714b6c886096e5af289ab5bd9f40db0e2250024edbb0cf55107d36c4f5f6cb7c79ec19bc19d1d539800b8accffa631e50f412e848edd3a

    • SSDEEP

      3072:Xv+Exfaz5SbRKCg3AGyxlNEj+VwlM4U+xRe:f+rI0CJGyxleyweN+x

    Score
    10/10
    bootkitdiscoveryevasionpersistencetrojan

    • UAC bypass

      evasiontrojan

    • Windows security bypass

      evasiontrojan

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Checks whether UAC is enabled

      evasiontrojan

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks