General

  • Target

    file.exe

  • Size

    382KB

  • Sample

    220928-rvpzxahcdj

  • MD5

    52e69b7edf5b0262a1a4758ac1e6b5be

  • SHA1

    d528281b9bf09f76b06796a4152c458e0df3759e

  • SHA256

    e2a1eb1a796a01f682a93bbee4af254d89d14382099c56a8c0a5595d0b6e8600

  • SHA512

    584e5778766567a05379c382115bd3050893c1224cfeb0aac1c151b4de009e1c2fb806d9d9a5c4664768054bbd2ff2621353a0b0732512b8491be3657a97e91c

  • SSDEEP

    6144:NvhFH9U6Qi9A73lTTR0toQxRGw3IATtO6280bfJigavwVfIx:NpIiAmtoMn3I4tO60wRx

Score
10/10

Malware Config

Extracted

Family

nymaim

C2

208.67.104.97

85.31.46.167

Targets

    • Target

      file.exe

    • Size

      382KB

    • MD5

      52e69b7edf5b0262a1a4758ac1e6b5be

    • SHA1

      d528281b9bf09f76b06796a4152c458e0df3759e

    • SHA256

      e2a1eb1a796a01f682a93bbee4af254d89d14382099c56a8c0a5595d0b6e8600

    • SHA512

      584e5778766567a05379c382115bd3050893c1224cfeb0aac1c151b4de009e1c2fb806d9d9a5c4664768054bbd2ff2621353a0b0732512b8491be3657a97e91c

    • SSDEEP

      6144:NvhFH9U6Qi9A73lTTR0toQxRGw3IATtO6280bfJigavwVfIx:NpIiAmtoMn3I4tO60wRx

    Score
    10/10
    • NyMaim

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v6

Tasks