Overview

overview

10

Static

static

5f248cb480...a8.exe

windows7_x64

10

5f248cb480...a8.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    13-07-2020 06:49

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General

  • Target

    5f248cb4805098190906c9fd9dd9caa8.exe

  • Size

    1.1MB

  • MD5

    5f248cb4805098190906c9fd9dd9caa8

  • SHA1

    49d5b6670b587a6f1c4d94f8aa6e0af7c0c9c0f6

  • SHA256

    eda87d9c8cca853fe6620d6a246f94a8ee739c7278fb4c68c46374b598cdb842

  • SHA512

    2444545aeaf33f30318fc6b795e5fa7eaf7258d68b18328af5ea80d8cf67ed443a202a19a43d13bf2661487e2d7bac420d3feb1ea9826d248a96738875b9df1e

Score
10/10
stealerspywaremasslogger

Malware Config

Signatures

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • NTFS ADS 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Executes dropped EXE 3 IoCs
  • MassLogger

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

    stealerspywaremasslogger
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Looks up external IP address via web service 1 IoCs

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

  • Drops startup file 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

  • Suspicious behavior: EnumeratesProcesses 1368 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware

Processes

  • C:\Users\Admin\AppData\Local\Temp\5f248cb4805098190906c9fd9dd9caa8.exe
    "C:\Users\Admin\AppData\Local\Temp\5f248cb4805098190906c9fd9dd9caa8.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: EnumeratesProcesses
    PID:1460
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • NTFS ADS
      • Loads dropped DLL
      • Drops startup file
      • Suspicious use of WriteProcessMemory
      PID:1512
      • C:\Users\Admin\AppData\Roaming\app\hjiwws.exe
        "C:\Users\Admin\AppData\Roaming\app\hjiwws.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        • Suspicious behavior: MapViewOfSection
        • Suspicious behavior: EnumeratesProcesses
        PID:1004
        • C:\Users\Admin\AppData\Roaming\app\hjiwws.exe
          "C:\Users\Admin\AppData\Roaming\app\hjiwws.exe"
          4⤵
          • Suspicious behavior: AddClipboardFormatListener
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:780
        • C:\Users\Admin\AppData\Roaming\app\hjiwws.exe
          "C:\Users\Admin\AppData\Roaming\app\hjiwws.exe" 2 780 69545
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:828

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1
T1081

Discovery

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\app\hjiwws.exe
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  • C:\Users\Admin\AppData\Roaming\app\hjiwws.exe
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  • C:\Users\Admin\AppData\Roaming\app\hjiwws.exe
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  • C:\Users\Admin\AppData\Roaming\app\hjiwws.exe
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  • \Users\Admin\AppData\Roaming\app\hjiwws.exe
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  • \Users\Admin\AppData\Roaming\app\hjiwws.exe
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  • memory/780-7-0x0000000000400000-0x0000000000541000-memory.dmp
    Filesize

    1.3MB

    Download
  • memory/780-8-0x000000000053F740-mapping.dmp
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  • memory/780-12-0x0000000000400000-0x0000000000541000-memory.dmp
    Filesize

    1.3MB

    Download
  • memory/780-13-0x0000000000400000-0x0000000000541000-memory.dmp
    Filesize

    1.3MB

    Download
  • memory/780-14-0x0000000001E80000-0x0000000001F1A000-memory.dmp
    Filesize

    616KB

    Download
  • memory/780-15-0x0000000001FA2000-0x0000000001FA3000-memory.dmp
    Filesize

    4KB

    Download
  • memory/780-16-0x00000000002A0000-0x0000000000333000-memory.dmp
    Filesize

    588KB

    Download
  • memory/828-10-0x0000000000000000-mapping.dmp
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  • memory/1004-4-0x0000000000000000-mapping.dmp
    Download
  • memory/1512-1-0x0000000000110000-0x0000000000111000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1512-0-0x0000000000000000-mapping.dmp
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