Overview

overview

9

Static

static

5790939865...f5.exe

windows7_x64

9

5790939865...f5.exe

windows10_x64

9

Analysis

  • max time kernel
    61s
  • max time network
    122s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    17-11-2020 11:50

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General

  • Target

    57909398651a91b29a8227c1f9a20cf5.exe

  • Size

    1.8MB

  • MD5

    a8e3681f598a5774afc6486938b47197

  • SHA1

    7f203353ee72f272d0ddf26d8ba246c4b5087f6e

  • SHA256

    a8429eb5101ed8670ac61de438e40f73f9b0ce86d643d3184c89c15a866595fd

  • SHA512

    6d7a54800159e50f621bcf0114833d8c338a98a7dccc08b05dac49403a129811ac416eb22fac271095b8cf7348658ae6b97d7d9782d875ba2667974e113bdaf6

Score
9/10
discoveryevasionspyware

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    evasion
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

    spyware
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • 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 NtSetInformationThreadHideFromDebugger 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\57909398651a91b29a8227c1f9a20cf5.exe
    "C:\Users\Admin\AppData\Local\Temp\57909398651a91b29a8227c1f9a20cf5.exe"
    1⤵
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4068
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" rd /s /q C:\ProgramData\6KZJV9HK34P7FW
      2⤵
        PID:3860

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Virtualization/Sandbox Evasion

    2
    T1497

    Credential Access

    Credentials in Files

    2
    T1081

    Discovery

    Query Registry

    5
    T1012

    Virtualization/Sandbox Evasion

    2
    T1497

    System Information Discovery

    2
    T1082

    Lateral Movement

    Collection

    Data from Local System

    2
    T1005

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • memory/3860-2-0x0000000000000000-mapping.dmp
      Download
    • memory/4068-1-0x0000000002ED0000-0x0000000002ED1000-memory.dmp
      Filesize

      4KB

      Download
    • memory/4068-0-0x00000000026D0000-0x00000000026D1000-memory.dmp
      Filesize

      4KB

      Download