Overview

overview

10

Static

static

b77e701efd...60.exe

windows7-x64

10

b77e701efd...60.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b77e701efdcc4cc289d4465daa8afc1646b6b3c746a6f26bc20096b0a0ea4460

  • Size

    80KB

  • Sample

    221030-ax29kseder

  • MD5

    92f165a799857552ca8a34e3e7f46974

  • SHA1

    ec7aa37198c7c32794c7caec597a69df1f83927c

  • SHA256

    b77e701efdcc4cc289d4465daa8afc1646b6b3c746a6f26bc20096b0a0ea4460

  • SHA512

    0a6a9ec6bdf5e3914b9950a8765a2628163607e1488ce02fbd0ae0b66d1df3b00345312b12f784c0f3b603bf4789598c60f670005b889e853ff8b272eb01dc47

  • SSDEEP

    1536:FfmVRojNxmMKVYC/w/5VC6pGOPVHoGrfZRBxxQLCHxSM5DJC:5FjW/YC/Q46dPVpdRBxvHxSaJC

Score
10/10
evasionpersistence

Malware Config

Targets

    • Target

      b77e701efdcc4cc289d4465daa8afc1646b6b3c746a6f26bc20096b0a0ea4460

    • Size

      80KB

    • MD5

      92f165a799857552ca8a34e3e7f46974

    • SHA1

      ec7aa37198c7c32794c7caec597a69df1f83927c

    • SHA256

      b77e701efdcc4cc289d4465daa8afc1646b6b3c746a6f26bc20096b0a0ea4460

    • SHA512

      0a6a9ec6bdf5e3914b9950a8765a2628163607e1488ce02fbd0ae0b66d1df3b00345312b12f784c0f3b603bf4789598c60f670005b889e853ff8b272eb01dc47

    • SSDEEP

      1536:FfmVRojNxmMKVYC/w/5VC6pGOPVHoGrfZRBxxQLCHxSM5DJC:5FjW/YC/Q46dPVpdRBxvHxSaJC

    Score
    10/10
    evasionpersistence

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Maps connected drives based on registry

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

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks