Analysis

  • max time kernel
    144s
  • max time network
    37s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    29-06-2020 17:58

General

  • Target

    432f1f6aa34f3dc76dfc4ce4309f545c.exe

  • Size

    781KB

  • MD5

    432f1f6aa34f3dc76dfc4ce4309f545c

  • SHA1

    9124de73a1879013642fa2a04f50967fbf63b2d1

  • SHA256

    7a94321897190488c591891b0030d5eb55a567ed6f67dd0f07e281f0d2bd4414

  • SHA512

    e1724d009575eb7bd83b6e326e0268962abfb6a44753ee1f44fa5c5090fe51c2b7b6bd464d63eb3a03539bd9a65f8b3f9708eceb741c783ddcd7e329f4953758

Malware Config

Extracted

Path

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

Family

raccoon

Ransom Note
[Raccoon Stealer] - v1.5.11 Release Build compiled on Fri May 8 14:39:40 2020 Launched at: 2020.06.29 - 19:58:09 GMT Bot_ID: 58B98E61-8F0C-4164-9CA8-CBDF20304A02_Admin Running on a desktop =R=A=C=C=O=O=N= System Information: - System Language: English - System TimeZone: -0 hrs - IP: 154.61.71.13 - Location: 37.750999, -97.821999 | ?, ?, United States (?) - ComputerName: DJRWGDLZ - Username: Admin - Windows version: NT 6.1 - Product name: Windows 7 Professional - System arch: x64 - CPU: Persocon Processor 2.5+ (2 cores) - RAM: 2047 MB (400 MB used) - Screen resolution: 1280x720 - Display devices: 0) Standard VGA Graphics Adapter ============

Signatures

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Checks for installed software on the system 1 TTPs 30 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.

  • Loads dropped DLL 10 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • Executes dropped EXE 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Raccoon log file 1 IoCs

    Detects a log file produced by the Raccoon Stealer.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\432f1f6aa34f3dc76dfc4ce4309f545c.exe
    "C:\Users\Admin\AppData\Local\Temp\432f1f6aa34f3dc76dfc4ce4309f545c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    • Checks processor information in registry
    PID:676
    • C:\Users\Admin\AppData\Roaming\indepopede\filingood.exe
      filingood.exe
      2⤵
      • Modifies system certificate store
      • Checks for installed software on the system
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      • Executes dropped EXE
      PID:1664
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Roaming\indepopede\filingood.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1568
        • C:\Windows\SysWOW64\timeout.exe
          timeout /T 10 /NOBREAK
          4⤵
          • Delays execution with timeout.exe
          PID:1536

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\indepopede\filingood.exe

  • C:\Users\Admin\AppData\Roaming\indepopede\filingood.exe

  • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\freebl3.dll

  • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\freebl3.dll

  • \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\softokn3.dll

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

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

  • \Users\Admin\AppData\Roaming\indepopede\filingood.exe

  • \Users\Admin\AppData\Roaming\indepopede\filingood.exe

  • memory/676-0-0x0000000001BBA000-0x0000000001BBB000-memory.dmp

    Filesize

    4KB

  • memory/676-1-0x0000000001CA0000-0x0000000001CB1000-memory.dmp

    Filesize

    68KB

  • memory/1536-18-0x0000000000000000-mapping.dmp

  • memory/1568-17-0x0000000000000000-mapping.dmp

  • memory/1664-4-0x0000000000000000-mapping.dmp

  • memory/1664-7-0x0000000004310000-0x0000000004321000-memory.dmp

    Filesize

    68KB

  • memory/1664-6-0x0000000004229000-0x000000000422A000-memory.dmp

    Filesize

    4KB