Overview

overview

10

Static

static

DOC#090900009.exe

windows7_x64

10

DOC#090900009.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    130s
  • max time network
    182s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 12:16

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General

  • Target

    DOC#090900009.exe

  • Size

    858KB

  • MD5

    873ee9e180e146dbc58e236adc4859e2

  • SHA1

    244f6944163d7b56f41c8e6b321b66fbcced9e8c

  • SHA256

    a1b7b74f099ecb3e600271c2ed326aacaeece3eda474d5769c2839386fa0fc05

  • SHA512

    6feb78a2ea87f4cd0b676d8cadf92a74126d0658f96fc2e4e60baea17d99e97a5caffbf3737873ed9be07d18e5f1ce4f24fb3cb13fe535ea5cda0b0a21c098b8

Score
10/10
massloggercollectionransomwarespywarestealer

Malware Config

Extracted

Path

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

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.5.0 ################################################################# ### 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 2:29:46 PM MassLogger Started: 5/21/2022 2:29:14 PM Interval: 1 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Signatures

  • MassLogger

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

    stealerspywaremasslogger
  • MassLogger Main Payload 32 IoCs
  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 18 IoCs
    collection
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe
    "C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2856
    • C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe
      "C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4636

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/2856-130-0x0000000000BF0000-0x0000000000CCC000-memory.dmp
    Filesize

    880KB

    Download
  • memory/2856-131-0x0000000005E70000-0x0000000006414000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/2856-132-0x00000000056C0000-0x0000000005752000-memory.dmp
    Filesize

    584KB

    Download
  • memory/2856-133-0x0000000005790000-0x000000000579A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/2856-134-0x0000000005A50000-0x0000000005AEC000-memory.dmp
    Filesize

    624KB

    Download
  • memory/2856-135-0x0000000005AF0000-0x0000000005B56000-memory.dmp
    Filesize

    408KB

    Download
  • memory/4636-136-0x0000000000000000-mapping.dmp
    Download
  • memory/4636-137-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-139-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-141-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-143-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-145-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-147-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-149-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-151-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-153-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-155-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-157-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-159-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-161-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-163-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-165-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-167-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-169-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-171-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-173-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-175-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-177-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-179-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-181-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-185-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-183-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-187-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-189-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-191-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-193-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-195-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-197-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-199-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4636-646-0x00000000071E0000-0x0000000007230000-memory.dmp
    Filesize

    320KB

    Download