Overview

overview

10

Static

static

5

sub_8299e1c15b75.exe

windows10-2004-x64

10

sub_8299e1c15b75.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    sub_8299e1c15b75.bin
  • Size 1.0MB
  • Sample260524-cct4ksey7j
  • SHA256 8299e1c15b75e38fbd3aca4b5e64ee8994d48458023764c9f899604f8a11cdab
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
observerdiscoverystealer

Malware Config

Targets

    • Target
      sub_8299e1c15b75.bin
    • Size 1.0MB
    • SHA256 8299e1c15b75e38fbd3aca4b5e64ee8994d48458023764c9f899604f8a11cdab
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoveryobserverstealer

    • Family: Observer

      Observer is an infostealer written in C++.

      stealerobserver

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Enumerates processes with tasklist

      discovery
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks