Overview

overview

10

Static

static

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    file.exe
  • Size 289KB
  • Sample220925-myzajaffbl
  • SHA256 bc9320e353015db4fe2f27374b3a984d3124f2ef0fe09999c41a239f81eed33d
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
nymaimtrojan

Malware Config

Extracted

Family

  • nymaim

C2

  • 208.67.104.97

  • 85.31.46.167

Targets

    • Target
      file.exe
    • Size 289KB
    • SHA256 bc9320e353015db4fe2f27374b3a984d3124f2ef0fe09999c41a239f81eed33d
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    nymaimtrojan

    • NyMaim

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

      trojannymaim

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks