Analysis

  • max time kernel
    105s
  • max time network
    105s
  • platform
    windows7_x64
  • resource
    win7v200217
  • submitted
    19-03-2020 12:00

General

  • Target

    63aa46c2f83941e8517b7fbd05e15f2c2460c0ddeb9cd903a0c58ff2dca380e2.exe

  • Size

    687KB

  • MD5

    d4dad82dd4ed06b230151a6496884ff6

  • SHA1

    d4d3017a9188c0087bf65e644a200a9aefbbce1b

  • SHA256

    63aa46c2f83941e8517b7fbd05e15f2c2460c0ddeb9cd903a0c58ff2dca380e2

  • SHA512

    d95ca593907b3552a47f3070def99b2bba6ed1939b8fa598b5e023ee931e4a3fe8c333e3ccf88a00350330abdc6da87eded16f55d19115242b56d14f47be0bf2

Malware Config

Extracted

Path

C:\Users\Admin\AppData\LocalLow\machineinfo.txt

Family

raccoon

Ransom Note
[Raccoon Stealer] - v1.4.8 Release Build compiled on Tue Feb 18 21:33:22 2020 Launched at: 2020.03.19 - 13:00:50 GMT Bot_ID: CB3421D8-E2C8-4B12-9D02-76148B2A4ECF_Admin =R=A=C=C=O=O=N= System Information: - System Language: English - System TimeZone: -0 hrs - ComputerName: JLKTGBTU - Username: Admin - IP: 154.61.71.13 - Windows version: NT 6.1 - Product name: Windows 7 Professional - System arch: x64 - CPU: Persocon Processor 2.5+ (2 cores) - RAM: 2047 MB (383 MB used) - Screen resolution: 1280x720 - Display devices: 0) Standard VGA Graphics Adapter ============

Extracted

Family

raccoon

Botnet

63b0da3331d966cfbcc1dbb16cf24eac9a5d4e85

C2

http://34.76.15.247/gate/log.php

Attributes
  • url4cnc

    https://drive.google.com/uc?export=download&id=1I7jmFhJY4KCn0dqAcr5L-h-D70KGZkaF

rc4.plain
rc4.plain

Signatures

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

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

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Modifies registry class 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2. 1 TTPs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Loads dropped DLL 8 IoCs
  • Executes dropped EXE 3 IoCs
  • Checks for installed software on the system 1 TTPs 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\63aa46c2f83941e8517b7fbd05e15f2c2460c0ddeb9cd903a0c58ff2dca380e2.exe
    "C:\Users\Admin\AppData\Local\Temp\63aa46c2f83941e8517b7fbd05e15f2c2460c0ddeb9cd903a0c58ff2dca380e2.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    PID:1856
    • C:\Users\Admin\AppData\Local\Temp\63aa46c2f83941e8517b7fbd05e15f2c2460c0ddeb9cd903a0c58ff2dca380e2.exe
      "{path}"
      2⤵
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      • Loads dropped DLL
      • Checks for installed software on the system
      PID:1888
      • C:\Users\Admin\AppData\LocalLow\zIY8IXK4ds.exe
        "C:\Users\Admin\AppData\LocalLow\zIY8IXK4ds.exe"
        3⤵
        • Modifies registry class
        • Executes dropped EXE
        PID:1360
      • C:\Users\Admin\AppData\LocalLow\STtLZz5etL.exe
        "C:\Users\Admin\AppData\LocalLow\STtLZz5etL.exe"
        3⤵
        • Executes dropped EXE
        PID:272
      • C:\Users\Admin\AppData\LocalLow\HUhJwPEvmp.exe
        "C:\Users\Admin\AppData\LocalLow\HUhJwPEvmp.exe"
        3⤵
        • Executes dropped EXE
        PID:1656

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\HUhJwPEvmp.exe

  • C:\Users\Admin\AppData\LocalLow\HUhJwPEvmp.exe

  • C:\Users\Admin\AppData\LocalLow\STtLZz5etL.exe

  • C:\Users\Admin\AppData\LocalLow\STtLZz5etL.exe

  • C:\Users\Admin\AppData\LocalLow\zIY8IXK4ds.exe

  • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\mozglue.dll

  • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\msvcp140.dll

  • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\nss3.dll

  • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\vcruntime140.dll

  • \Users\Admin\AppData\LocalLow\HUhJwPEvmp.exe

  • \Users\Admin\AppData\LocalLow\STtLZz5etL.exe

  • \Users\Admin\AppData\LocalLow\sqlite3.dll

  • \Users\Admin\AppData\LocalLow\zIY8IXK4ds.exe

  • memory/1856-1-0x0000000000000000-0x0000000000000000-disk.dmp

  • memory/1888-3-0x0000000000400000-0x000000000048C000-memory.dmp

    Filesize

    560KB

  • memory/1888-2-0x0000000000400000-0x000000000048C000-memory.dmp

    Filesize

    560KB