Analysis

  • max time kernel
    61s
  • max time network
    72s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    30-06-2020 06:26

General

  • Target

    13a9cfd3cd6779bd123789409cfac0fc.exe

  • Size

    588KB

  • MD5

    13a9cfd3cd6779bd123789409cfac0fc

  • SHA1

    83896c0ce5b0c37ebe9e5d0707ba3fbf28ae02ce

  • SHA256

    e712a2411eda56792ddf7f45f19ed01e5a77ceaa5f08942b2e8cfd3d07cd7158

  • SHA512

    da6eb6a954fdad8668085c95a207768a7d9bdf8dea998fe07183dd523df0a139ac621996712ef971f08391a8139fb853879af97924e1676aa4ff4c5d6ae9f5bb

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: 2020.06.30 - 06:26:24 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 (402 MB used) - Screen resolution: 1280x720 - Display devices: 0) Standard VGA Graphics Adapter ============

Signatures

  • 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
  • Executes dropped EXE 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Loads dropped DLL 10 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • Raccoon log file 1 IoCs

    Detects a log file produced by the Raccoon Stealer.

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\13a9cfd3cd6779bd123789409cfac0fc.exe
    "C:\Users\Admin\AppData\Local\Temp\13a9cfd3cd6779bd123789409cfac0fc.exe"
    1⤵
    • Modifies system certificate store
    • Checks processor information in registry
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1492
    • C:\Users\Admin\AppData\Roaming\indepopede\filingood.exe
      filingood.exe
      2⤵
      • Checks for installed software on the system
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1032
      • 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:1556
        • C:\Windows\SysWOW64\timeout.exe
          timeout /T 10 /NOBREAK
          4⤵
          • Delays execution with timeout.exe
          PID:1988

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

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/1032-4-0x0000000000000000-mapping.dmp
  • memory/1032-7-0x0000000004390000-0x00000000043A1000-memory.dmp
    Filesize

    68KB

  • memory/1032-6-0x00000000042A9000-0x00000000042AA000-memory.dmp
    Filesize

    4KB

  • memory/1492-0-0x0000000004569000-0x000000000456A000-memory.dmp
    Filesize

    4KB

  • memory/1492-1-0x0000000004650000-0x0000000004661000-memory.dmp
    Filesize

    68KB

  • memory/1556-17-0x0000000000000000-mapping.dmp
  • memory/1988-18-0x0000000000000000-mapping.dmp