Analysis

  • max time kernel
    91s
  • max time network
    93s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    30-06-2020 13:36

General

  • Target

    cc5c3d6512bbc0e90d670e8a61481ca1.exe

  • Size

    580KB

  • MD5

    cc5c3d6512bbc0e90d670e8a61481ca1

  • SHA1

    cd7a8e51b413de2343aac98971d37e6363863de4

  • SHA256

    bf97fab7ccc6d55f68b6563e8c68541f4b8db1cbcb841dce67663d9e4d7938b1

  • SHA512

    bdc5719449433ea8a9d0066d900f843b66e4817bbe893a99a798cc57d11ad0ef23f34c6b6382c4d9fc76d140a51e5da3d1167ba60940234b927fdd2eb3270662

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 - 13:36:29 GMT Bot_ID: 664A9041-4AC4-46F3-B3DC-87DB4D57890E_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: GOHCSFBB - 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 (700 MB used) - Screen resolution: 1280x720 - Display devices: 0) Microsoft Basic Display Adapter ============

Signatures

  • Suspicious use of WriteProcessMemory 12 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Checks for installed software on the system 1 TTPs 31 IoCs
  • Executes dropped EXE 2 IoCs
  • Program crash 1 IoCs
  • Loads dropped DLL 8 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.

  • 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.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Raccoon log file 1 IoCs

    Detects a log file produced by the Raccoon Stealer.

Processes

  • C:\Users\Admin\AppData\Local\Temp\cc5c3d6512bbc0e90d670e8a61481ca1.exe
    "C:\Users\Admin\AppData\Local\Temp\cc5c3d6512bbc0e90d670e8a61481ca1.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Checks processor information in registry
    PID:3260
    • C:\Users\Admin\AppData\Roaming\indepopede\filingood.exe
      filingood.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      • Checks for installed software on the system
      • Executes dropped EXE
      • Loads dropped DLL
      PID:3780
      • 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:1268
        • C:\Windows\SysWOW64\timeout.exe
          timeout /T 10 /NOBREAK
          4⤵
          • Delays execution with timeout.exe
          PID:1504
    • C:\Users\Admin\AppData\Roaming\indepopede\testoviyjuki.exe
      testoviyjuki.exe
      2⤵
      • Executes dropped EXE
      PID:2536
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2536 -s 672
        3⤵
        • Program crash
        • Suspicious use of NtCreateProcessExOtherParentProcess
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious behavior: EnumeratesProcesses
        PID:2216

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

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

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

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

  • \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\nss3.dll

  • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\softokn3.dll

  • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\softokn3.dll

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

  • memory/1268-31-0x0000000000000000-mapping.dmp

  • memory/1504-32-0x0000000000000000-mapping.dmp

  • memory/2216-23-0x0000000005200000-0x0000000005201000-memory.dmp

    Filesize

    4KB

  • memory/2216-14-0x0000000004CD0000-0x0000000004CD1000-memory.dmp

    Filesize

    4KB

  • memory/2216-13-0x0000000004CD0000-0x0000000004CD1000-memory.dmp

    Filesize

    4KB

  • memory/2536-21-0x0000000000000000-mapping.dmp

  • memory/2536-7-0x0000000000000000-mapping.dmp

  • memory/2536-17-0x0000000000000000-mapping.dmp

  • memory/2536-22-0x0000000000000000-mapping.dmp

  • memory/2536-20-0x0000000000000000-mapping.dmp

  • memory/2536-19-0x0000000000000000-mapping.dmp

  • memory/2536-18-0x0000000000000000-mapping.dmp

  • memory/2536-12-0x0000000006320000-0x0000000006321000-memory.dmp

    Filesize

    4KB

  • memory/2536-11-0x0000000004820000-0x0000000004821000-memory.dmp

    Filesize

    4KB

  • memory/3260-0-0x0000000004474000-0x0000000004475000-memory.dmp

    Filesize

    4KB

  • memory/3260-1-0x0000000004570000-0x0000000004571000-memory.dmp

    Filesize

    4KB

  • memory/3780-6-0x0000000004610000-0x0000000004611000-memory.dmp

    Filesize

    4KB

  • memory/3780-5-0x00000000041D3000-0x00000000041D4000-memory.dmp

    Filesize

    4KB

  • memory/3780-2-0x0000000000000000-mapping.dmp