Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    29-06-2020 17:46

General

  • Target

    8b81db099f7b8b79b9cba6f6bdd232af.exe

  • Size

    433KB

  • MD5

    8b81db099f7b8b79b9cba6f6bdd232af

  • SHA1

    96caf2c2b7deb61c2705213f55cd9bae707679c6

  • SHA256

    bb2c702d2922d381e3804a438e05473e42b02caa572f85491fb1205f4b3a3acf

  • SHA512

    c2556d463a9f1d0d9430faf2a5161977f0f468502618a141e09dd7cd397f85f826732184f69e0fb3ff2fcb87ded4b36bb8936a99e4508132408e28b1b9556b6a

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 - 17:46:25 GMT Bot_ID: BAE8C589-5DA1-4C62-BE46-F8D74908CB8C_Admin Running on a desktop =R=A=C=C=O=O=N= System Information: - System Language: English - System TimeZone: -0 hrs - IP: 154.61.71.51 - Location: 37.750999, -97.821999 | ?, ?, United States (?) - ComputerName: AVGLFESB - 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 (401 MB used) - Screen resolution: 1280x720 - Display devices: 0) Standard VGA Graphics Adapter ============

Signatures

  • Suspicious use of WriteProcessMemory 8 IoCs
  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks for installed software on the system 1 TTPs 30 IoCs
  • Raccoon log file 1 IoCs

    Detects a log file produced by the Raccoon Stealer.

  • Deletes itself 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Modifies system certificate store 2 TTPs 2 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b81db099f7b8b79b9cba6f6bdd232af.exe
    "C:\Users\Admin\AppData\Local\Temp\8b81db099f7b8b79b9cba6f6bdd232af.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Checks for installed software on the system
    • Modifies system certificate store
    • Loads dropped DLL
    PID:1448
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\8b81db099f7b8b79b9cba6f6bdd232af.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      • Deletes itself
      PID:1904
      • C:\Windows\SysWOW64\timeout.exe
        timeout /T 10 /NOBREAK
        3⤵
        • Delays execution with timeout.exe
        PID:1264

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • \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

  • memory/1264-11-0x0000000000000000-mapping.dmp

  • memory/1448-0-0x00000000002C9000-0x00000000002CA000-memory.dmp

    Filesize

    4KB

  • memory/1448-1-0x0000000004170000-0x0000000004181000-memory.dmp

    Filesize

    68KB

  • memory/1904-10-0x0000000000000000-mapping.dmp