General

  • Target

    2fcbef2bf5b78f4e5205397a80b7f393762d78331166930b682dde2da4a16858

  • Size

    521KB

  • Sample

    221022-z1slzsegc4

  • MD5

    5fe1f92b221d98a8504139a2792265f8

  • SHA1

    5faf25f3ee80a45b85f4d1fb971ab9cfd1ff174d

  • SHA256

    2fcbef2bf5b78f4e5205397a80b7f393762d78331166930b682dde2da4a16858

  • SHA512

    b40a7cb1cfd119883e3ae5126b50a73641f184daa49eddc620728a1a2c8e4b5c2e6154bad5a0b6faf053c8049144208ffe4e209611df94e995489b9257ff362d

  • SSDEEP

    12288:kQi3ceLI4OjuBxPnk6tnq6m6URA3Phmyawo+sdsikeEDmBlyZC3:kQiF7nphh/8+sdkvmOQ3

Malware Config

Extracted

Family

nymaim

C2

45.139.105.171

85.31.46.167

Targets

    • Target

      2fcbef2bf5b78f4e5205397a80b7f393762d78331166930b682dde2da4a16858

    • Size

      521KB

    • MD5

      5fe1f92b221d98a8504139a2792265f8

    • SHA1

      5faf25f3ee80a45b85f4d1fb971ab9cfd1ff174d

    • SHA256

      2fcbef2bf5b78f4e5205397a80b7f393762d78331166930b682dde2da4a16858

    • SHA512

      b40a7cb1cfd119883e3ae5126b50a73641f184daa49eddc620728a1a2c8e4b5c2e6154bad5a0b6faf053c8049144208ffe4e209611df94e995489b9257ff362d

    • SSDEEP

      12288:kQi3ceLI4OjuBxPnk6tnq6m6URA3Phmyawo+sdsikeEDmBlyZC3:kQiF7nphh/8+sdkvmOQ3

    • Detects Smokeloader packer

    • FFDroider

      Stealer targeting social media platform users first seen in April 2022.

    • NyMaim

      NyMaim is a malware with various capabilities written in C++ and first seen in 2013.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Checks for common network interception software

      Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks