Resubmissions

10/09/2025, 08:25

250910-kbf5bsxwdz10

10/09/2025, 08:07

250910-j1fz7axvex10

General

  • Target
    aa8a5bbbc87850c8bca34a53f13d4a89c04386fddfcadcc29f199fe7f2b52927
  • Size 36.0MB
  • Sample250910-kbf5bsxwdz
  • SHA256 aa8a5bbbc87850c8bca34a53f13d4a89c04386fddfcadcc29f199fe7f2b52927
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • akira_stealer

C2
  • https://postprocesser.com/.well-known/pki-validation/go/akgo.php

  • https://cosmoplanets.net/well-known/pki-validation/go/akgo.php

Targets

    • Target
      aa8a5bbbc87850c8bca34a53f13d4a89c04386fddfcadcc29f199fe7f2b52927
    • Size 36.0MB
    • SHA256 aa8a5bbbc87850c8bca34a53f13d4a89c04386fddfcadcc29f199fe7f2b52927
    • MD5 SHA1 SHA512 SSDEEP
    • AkiraStealer

      AkiraStealer is an information stealer operating as a malware-as-a-service, written in Golang.

    • Akira_stealer family

    • Detects GoLang version of AkiraStealer

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Enumerates processes with tasklist

MITRE ATT&CK Enterprise v16

Tasks