Overview

overview

10

Static

static

Enquiry N0...58.exe

windows7_x64

10

Enquiry N0...58.exe

windows10_x64

10

Analysis

  • max time kernel
    54s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09-11-2020 20:59

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General

  • Target

    Enquiry N0. 20003475758.exe

  • Size

    864KB

  • MD5

    a7c0a6884aeeaf88165107666a42dc21

  • SHA1

    4fb34f0f8c6c99854797844114f68ac6f8b07dea

  • SHA256

    d2ae3fabca5021b33bfa9326b06dea2cc82a56537a1d473934553bdcdfaddb74

  • SHA512

    2a91c9a57fa7b5210a9b089f2d23726a1d591d903acdb69e9fc3a7898e089eb4c87f47c5d4974d3ec437f6585fc42eedc931fee2ebe04050a04a8da0b22f96c5

Score
10/10
massloggerransomwarerezer0spywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\5FADD7138A\Log.txt

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.7.1 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.51 Location: United States Windows OS: Microsoft Windows 7 Professional 64bit Windows Serial Key: HYF8J-CVRMY-CM74G-RPHKF-PW487 CPU: Persocon Processor 2.5+ GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 11/11/2020 4:44:10 AM MassLogger Started: 11/11/2020 4:44:04 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Enquiry N0. 20003475758.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 4 IoCs
  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

  • rezer0 1 IoCs

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

    rezer0
  • 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.

    spyware
  • 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: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Enquiry N0. 20003475758.exe
    "C:\Users\Admin\AppData\Local\Temp\Enquiry N0. 20003475758.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:372
    • C:\Users\Admin\AppData\Local\Temp\Enquiry N0. 20003475758.exe
      "{path}"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1520

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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/372-0-0x0000000074090000-0x000000007477E000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/372-1-0x0000000000890000-0x0000000000891000-memory.dmp
    Filesize

    4KB

    Download
  • memory/372-3-0x0000000000340000-0x000000000034F000-memory.dmp
    Filesize

    60KB

    Download
  • memory/372-4-0x00000000007C0000-0x0000000000869000-memory.dmp
    Filesize

    676KB

    Download
  • memory/1520-5-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

    Download
  • memory/1520-6-0x00000000004A2BFE-mapping.dmp
    Download
  • memory/1520-7-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

    Download
  • memory/1520-8-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

    Download
  • memory/1520-9-0x0000000073410000-0x0000000073AFE000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/1520-12-0x0000000000520000-0x000000000055E000-memory.dmp
    Filesize

    248KB

    Download