Overview

overview

10

Static

static

3

87d2052c1a...1b.exe

windows10-2004-x64

10

87d2052c1a...1b.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    87d2052c1a961cf20137e158b32965ace9f1d85c3bd9744624ec0bd9346aed1b
  • Size 14.4MB
  • Sample260820-krcf3stanb
  • SHA256 87d2052c1a961cf20137e158b32965ace9f1d85c3bd9744624ec0bd9346aed1b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
solaris_loaderstealcsvcstealerrundiscoverydownloaderexecutioninstallerloaderpersistencestealer

Malware Config

Extracted

Family

  • solaris_loader

C2

  • 196.251.107.186

  • 192.162.199.186

  • 196.251.107.163

Extracted

Family

  • stealc

Botnet

  • RUN

C2

  • http://196.251.107.163

rc4.plain

Extracted

Family

  • svcstealer

C2

  • http://196.251.107.186/acovp/post.php

  • http://192.162.199.186/usovp/post.php

  • http://196.251.107.163/bioxp/post.php

Attributes
  • build_id

    Dropped

  • srv_delay

    1

  • srv_retry

    1

Targets

    • Target
      87d2052c1a961cf20137e158b32965ace9f1d85c3bd9744624ec0bd9346aed1b
    • Size 14.4MB
    • SHA256 87d2052c1a961cf20137e158b32965ace9f1d85c3bd9744624ec0bd9346aed1b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    rundiscoverydownloaderexecutionsolaris_loaderstealcsvcstealerinstallerloaderpersistencestealer

    • Family: SolarisLoader

      SolarisLoader is a Windows loader written in C.

      loadersolaris_loader

    • Family: Stealc

      Stealc is an infostealer written in C++.

      stealerstealc

    • Family: SvcStealer, Diamotrix

      SvcStealer aka Diamotrix Clipper is a stealer/downloader written in C++.

      stealerdownloadersvcstealer

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks