Overview

overview

10

Static

static

OUR_NEW_.exe

windows7_x64

10

OUR_NEW_.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    ea0a4c4e4ab8b6a483c5bdb3a73cd0ac90b3b0657fecf22829d4d91f1088d8ff

  • Size

    1.3MB

  • Sample

    220521-pd5b6aacgq

  • MD5

    bca6242d3749dff9c3ce6e0ebe627fe4

  • SHA1

    4a8b138576e1c880152aeda716cbb11e7bdfa9db

  • SHA256

    ea0a4c4e4ab8b6a483c5bdb3a73cd0ac90b3b0657fecf22829d4d91f1088d8ff

  • SHA512

    5034a3060e052cc396ab62f6979bcef32af6bf7901c07d6e43d56687af02140db3a45accc97d4668e9a909e2226a8635f64af3a6e5289922ee8abe93fd3ea476

Score
10/10
massloggerransomwarerezer0spywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\AEF946DCB4\Log.txt

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.4.0 ################################################################# ### Logger Details ### User Name: Admin IP: 127.0.0.1 Location: United States OS: Microsoft Windows 7 Ultimate 64bit CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 2:26:08 PM MassLogger Started: 5/21/2022 2:25:52 PM Interval: 96 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\OUR_NEW_.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\F95B724EDE\Log.txt

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.4.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 Location: United States OS: Microsoft Windows 10 Pro64bit CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 2:27:28 PM MassLogger Started: 5/21/2022 2:26:58 PM Interval: 96 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\OUR_NEW_.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Targets

    • Target

      OUR_NEW_.EXE

    • Size

      757KB

    • MD5

      5eecffe3b62b1e5c080028e6c489cc98

    • SHA1

      3fa94eff0cffe3fcad56d7e7b3dbcbac341211b5

    • SHA256

      571ab77f2e5d3069e9b1974cd7548dd28f4cef875b33698b42a846b6057a476e

    • SHA512

      eb79550f367005386cfc94a674a4c735484df3ff35f038401d5f7995bd0a01eb79d81be3c7b1f4c4b4c6a69dde0a5c28a3e81cd038efc843004310cd2d989cb5

    Score
    10/10
    massloggerransomwarerezer0spywarestealer

    • MassLogger

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

      stealerspywaremasslogger

    • MassLogger Main Payload

    • MassLogger log file

      Detects a log file produced by MassLogger.

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

      rezer0

    • Checks computer location settings

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

    • 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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks