Overview

overview

10

Static

static

c6f0293740...2d.exe

windows7_x64

10

c6f0293740...2d.exe

windows10_x64

10

Analysis

  • max time kernel
    147s
  • max time network
    73s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    28/06/2020, 16:22

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General

  • Target
    c6f0293740a9288faf4f73d42162772d.exe
  • Size 749KB
  • Sample200628-gfpyn1vxt2
  • SHA256 df2688f6f88ea0e66b46d856e514adf25f8456cb4e45c849233799e17b1171e3
  • MD5 SHA1 SHA512
Score
10/10
ransomwarespywarediscoverystealerraccoon

Malware Config

Extracted

Path

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

  • raccoon

Ransom Note
  • [Raccoon Stealer] - v1.5.13-af-hotfix Release Build compiled on Tue Jun 23 14:23:14 2020 Launched at: 2020.06.28 - 18:22:36 GMT Bot_ID: 3E009A64-65D7-465C-9098-F2673DD3F416_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: OWZMOTQA - Username: Admin - Windows version: NT 10.0 - Product name: Windows 10 Pro - System arch: x64 - CPU: Persocon Processor 2.5+ (2 cores) - RAM: 4095 MB (703 MB used) - Screen resolution: 1280x720 - Display devices: 0) Microsoft Basic Display Adapter ============

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

    stealerraccoon
  • Suspicious use of SetThreadContext 1 IoCs
  • Raccoon log file 1 IoCs

    Detects a log file produced by the Raccoon Stealer.

  • Program crash 3 IoCs
  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 47 IoCs
  • Executes dropped EXE 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • Drops desktop.ini file(s) 1 IoCs
  • Loads dropped DLL 6 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
  • Suspicious use of WriteProcessMemory 256 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Checks for installed software on the system 1 TTPs 31 IoCs
    discovery
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c6f0293740a9288faf4f73d42162772d.exe
    "C:\Users\Admin\AppData\Local\Temp\c6f0293740a9288faf4f73d42162772d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • Suspicious use of AdjustPrivilegeToken
    PID:992
    • C:\Users\Admin\AppData\Local\Temp\c6f0293740a9288faf4f73d42162772d.exe
      "{path}"
      2⤵
        PID:2852
      • C:\Users\Admin\AppData\Local\Temp\c6f0293740a9288faf4f73d42162772d.exe
        "{path}"
        2⤵
        • Drops desktop.ini file(s)
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        • Checks for installed software on the system
        PID:2916
        • C:\Users\Admin\AppData\Local\Temp\O9ch3VKZYF.exe
          "C:\Users\Admin\AppData\Local\Temp\O9ch3VKZYF.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2976
          • C:\Windows\SysWOW64\TapiUnattend.exe
            "C:\Windows\System32\TapiUnattend.exe"
            4⤵
              PID:1444
          • C:\Users\Admin\AppData\Local\Temp\S7wSRLMNbg.exe
            "C:\Users\Admin\AppData\Local\Temp\S7wSRLMNbg.exe"
            3⤵
            • Executes dropped EXE
            PID:1716
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 1128
              4⤵
              • Program crash
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:3492
          • C:\Users\Admin\AppData\Local\Temp\jWOb3MyDsZ.exe
            "C:\Users\Admin\AppData\Local\Temp\jWOb3MyDsZ.exe"
            3⤵
            • Executes dropped EXE
            PID:3684
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3684 -s 1136
              4⤵
              • Program crash
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:3700
          • C:\Users\Admin\AppData\Local\Temp\pE4Bd1bosQ.exe
            "C:\Users\Admin\AppData\Local\Temp\pE4Bd1bosQ.exe"
            3⤵
            • Executes dropped EXE
            PID:3964
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 1128
              4⤵
              • Program crash
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:60
          • C:\Windows\SysWOW64\cmd.exe
            cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\c6f0293740a9288faf4f73d42162772d.exe"
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:2268
            • C:\Windows\SysWOW64\timeout.exe
              timeout /T 10 /NOBREAK
              4⤵
              • Delays execution with timeout.exe
              PID:3860

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            memory/60-70-0x0000000004220000-0x0000000004221000-memory.dmp
            Download

            memory/60-109-0x00000000049E0000-0x00000000049E1000-memory.dmp
            Download

            memory/2916-2-0x0000000000400000-0x0000000000493000-memory.dmp
            Download

            memory/2916-0-0x0000000000400000-0x0000000000493000-memory.dmp
            Download

            memory/3492-72-0x0000000004D80000-0x0000000004D81000-memory.dmp
            Download

            memory/3492-106-0x0000000005670000-0x0000000005671000-memory.dmp
            Download

            memory/3700-107-0x0000000005440000-0x0000000005441000-memory.dmp
            Download

            memory/3700-69-0x0000000004E00000-0x0000000004E01000-memory.dmp
            Download