General

  • Target

    8566013b21448ffd04a6e33fd182abdc67c7390417138e6fafd4d1a991a9f690

  • Size

    814KB

  • Sample

    220521-n2aa9ahfbl

  • MD5

    fd3146643665d569b4781ea76d7ea80b

  • SHA1

    17a122d6b48322138ffab3ee69475f32128ad24d

  • SHA256

    8566013b21448ffd04a6e33fd182abdc67c7390417138e6fafd4d1a991a9f690

  • SHA512

    f7f2990392f9427254eb4d67a2243f904124f416a63a2adcac3b71f7d753c4f5fa0dc4c9989e7f0332ee7f8f40a64cf9e506e760f6bf452a5114668733ac0e5a

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\79FE0CC911\Log.txt

Family

masslogger

Ransom Note
<|| v2.4.0.0 ||> User Name: Admin IP: 154.61.71.51 Location: United States Windows OS: Microsoft Windows 7 Ultimate 64bit Windows Serial Key: D4F6K-QK3RD-TMVMJ-BBMRX-3MBMV CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 11:59:27 AM MassLogger Started: 5/21/2022 11:59:20 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\LP40728194004.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Downloader ||> Disabled <|| Window Searcher ||> Disabled <|| Bot Killer ||> Disabled <|| Search And Upload ||> Disabled <|| Telegram Desktop ||> Not Installed <|| Pidgin ||> Not Installed <|| FileZilla ||> Not Installed <|| Discord Tokken ||> Not Installed <|| NordVPN ||> Not Installed <|| Outlook ||> Not Installed <|| FoxMail ||> Not Installed <|| Thunderbird ||> Not Installed <|| FireFox ||> Not Found <|| QQ Browser ||> Not Installed <|| Chromium Recovery ||> Not Installed or Not Found <|| Keylogger And Clipboard ||> NA

Targets

    • Target

      LP40728194004.exe

    • Size

      1.3MB

    • MD5

      81297e7d0a24d0566bf47c8bebd0a3e2

    • SHA1

      c2dc509acef33461268ba76bafbdb11e81e3d759

    • SHA256

      3d0af7312beff6b913ae04b6c6b3f9aac323308a1933952d1c8bd732fdf290ce

    • SHA512

      ac8bc8716d999c6bedc13f1c479e44e43288946beb46403a415004f43a1cbdbf63c5047ce6e5cf89065730fc750e1176b5bda8d006ece6e6d9a456df47aec986

    • MassLogger

      Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

    • MassLogger Main Payload

    • MassLogger log file

      Detects a log file produced by MassLogger.

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Tasks