Overview

overview

7

Static

static

f6fa7c80a0...a5.exe

windows7_x64

7

f6fa7c80a0...a5.exe

windows10_x64

7

Analysis

  • max time kernel
    132s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    05/10/2020, 14:32

Sharing

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General

  • Target
    f6fa7c80a090164359c5a3ba141e91a5.exe
  • Size 632KB
  • Sample201005-2sean7e9dx
  • SHA256 b912cef6a6c9d7e8f49a06d9178cc7c6d8b68a0e7f8948c3d6892f8e5fd11c74
  • MD5 SHA1 SHA512
Score
7/10
spywarediscovery

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Loads dropped DLL 4 IoCs
  • 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
  • JavaScript code in executable 1 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Kills process with taskkill 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f6fa7c80a090164359c5a3ba141e91a5.exe
    "C:\Users\Admin\AppData\Local\Temp\f6fa7c80a090164359c5a3ba141e91a5.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1516
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im f6fa7c80a090164359c5a3ba141e91a5.exe /f & erase C:\Users\Admin\AppData\Local\Temp\f6fa7c80a090164359c5a3ba141e91a5.exe & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:536
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im f6fa7c80a090164359c5a3ba141e91a5.exe /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:432

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1516-0-0x0000000000E6B000-0x0000000000E6C000-memory.dmp
        Download

        memory/1516-1-0x00000000026C0000-0x00000000026D1000-memory.dmp
        Download

        memory/1584-2-0x000007FEF6980000-0x000007FEF6BFA000-memory.dmp
        Download