Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    14/10/2020, 14:45

General

  • Target
    806934432d6829ff5a0277ec0d4e3e36.exe
  • Size 1.4MB
  • Sample201014-9ba1532fex
  • SHA256 c3c2a6747a34c92023bef1d5abc604f697408e60ee64d1155af7a8c62727e894
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • raccoon

Botnet
  • ee3b370277b98939f8098234def6cb188c03591f

Attributes
  • url4cnc

    https://telete.in/brikitiki

rc4.plain
rc4.plain

Extracted

Family
  • azorult

C2
  • http://195.245.112.115/index.php

Extracted

Family
  • oski

C2
  • jamesrlon.ug

Extracted

Family
  • asyncrat

Version
  • 0.5.7B

C2
  • agentttt.ac.ug:6970

  • agentpurple.ac.ug:6970

Mutex
  • AsyncMutex_6SI8OkPnk

Attributes
  • aes_key

    s8CEqY6pD21gSg7xELYD1QWGg2YpwLUB

  • anti_detection

    false

  • autorun

    false

  • bdos

    false

  • delay

    Default

  • host

    agentttt.ac.ug,agentpurple.ac.ug

  • hwid

    3

  • install_file

  • install_folder

    %AppData%

  • mutex

    AsyncMutex_6SI8OkPnk

  • pastebin_config

    null

  • port

    6970

  • version

    0.5.7B

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers.

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Contains code to disable Windows Defender 8 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • Oski

    Oski is an infostealer targeting browser data, crypto wallets.

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Async RAT payload 4 IoCs
  • ModiLoader First Stage 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 11 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 27 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.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Windows security modification 2 TTPs 2 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops desktop.ini file(s) 1 IoCs
  • Suspicious use of SetThreadContext 6 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 1 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\806934432d6829ff5a0277ec0d4e3e36.exe
    "C:\Users\Admin\AppData\Local\Temp\806934432d6829ff5a0277ec0d4e3e36.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Users\Admin\AppData\Local\Temp\Nhrdgfertqw.exe
      "C:\Users\Admin\AppData\Local\Temp\Nhrdgfertqw.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1912
      • C:\Users\Admin\AppData\Local\Temp\Nhrdgfertqw.exe
        "C:\Users\Admin\AppData\Local\Temp\Nhrdgfertqw.exe"
        3⤵
        • Executes dropped EXE
        PID:1984
    • C:\Users\Admin\AppData\Local\Temp\GFsdfgytrqwe.exe
      "C:\Users\Admin\AppData\Local\Temp\GFsdfgytrqwe.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1924
      • C:\Users\Admin\AppData\Local\Temp\GFsdfgytrqwe.exe
        "C:\Users\Admin\AppData\Local\Temp\GFsdfgytrqwe.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks processor information in registry
        • Suspicious use of WriteProcessMemory
        PID:1860
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c taskkill /pid 1860 & erase C:\Users\Admin\AppData\Local\Temp\GFsdfgytrqwe.exe & RD /S /Q C:\\ProgramData\\996540630216645\\* & exit
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:956
          • C:\Windows\SysWOW64\taskkill.exe
            taskkill /pid 1860
            5⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:1476
    • C:\Users\Admin\AppData\Local\Temp\806934432d6829ff5a0277ec0d4e3e36.exe
      "C:\Users\Admin\AppData\Local\Temp\806934432d6829ff5a0277ec0d4e3e36.exe"
      2⤵
      • Loads dropped DLL
      • Drops desktop.ini file(s)
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:1972
      • C:\Users\Admin\AppData\Local\Temp\0ZmdkenDDm.exe
        "C:\Users\Admin\AppData\Local\Temp\0ZmdkenDDm.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        PID:948
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
          "Powershell" Add-MpPreference -ExclusionPath '"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\VideoLAN\ddcvlc.exe"'
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:664
        • C:\Users\Admin\AppData\Local\Temp\0ZmdkenDDm.exe
          "C:\Users\Admin\AppData\Local\Temp\0ZmdkenDDm.exe"
          4⤵
          • Executes dropped EXE
          PID:1464
      • C:\Users\Admin\AppData\Local\Temp\5r1YxetDVl.exe
        "C:\Users\Admin\AppData\Local\Temp\5r1YxetDVl.exe"
        3⤵
        • Executes dropped EXE
        PID:564
      • C:\Users\Admin\AppData\Local\Temp\pVJw6pTc7p.exe
        "C:\Users\Admin\AppData\Local\Temp\pVJw6pTc7p.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        PID:1452
        • C:\Users\Admin\AppData\Local\Temp\pVJw6pTc7p.exe
          "C:\Users\Admin\AppData\Local\Temp\pVJw6pTc7p.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:584
          • \??\c:\windows\SysWOW64\cmstp.exe
            "c:\windows\system32\cmstp.exe" /au C:\Windows\temp\33a4zlvm.inf
            5⤵
              PID:1144
        • C:\Users\Admin\AppData\Local\Temp\ZATcc58jGk.exe
          "C:\Users\Admin\AppData\Local\Temp\ZATcc58jGk.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:916
          • C:\Users\Admin\AppData\Local\Temp\ZATcc58jGk.exe
            "C:\Users\Admin\AppData\Local\Temp\ZATcc58jGk.exe"
            4⤵
            • Executes dropped EXE
            • Windows security modification
            PID:1524
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "powershell" Get-MpPreference -verbose
              5⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:1856
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\806934432d6829ff5a0277ec0d4e3e36.exe"
          3⤵
          • Deletes itself
          • Suspicious use of WriteProcessMemory
          PID:1244
          • C:\Windows\SysWOW64\timeout.exe
            timeout /T 10 /NOBREAK
            4⤵
            • Delays execution with timeout.exe
            PID:276

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/564-169-0x00000000021E0000-0x000000000221A000-memory.dmp

          memory/584-91-0x0000000000400000-0x000000000040C000-memory.dmp

          memory/584-95-0x0000000000400000-0x000000000040C000-memory.dmp

          memory/584-98-0x0000000072EC0000-0x00000000735AE000-memory.dmp

          memory/584-83-0x0000000000400000-0x000000000040C000-memory.dmp

          memory/664-160-0x00000000062C0000-0x00000000062C1000-memory.dmp

          memory/664-115-0x0000000004780000-0x0000000004781000-memory.dmp

          memory/664-161-0x00000000062D0000-0x00000000062D1000-memory.dmp

          memory/664-138-0x0000000006200000-0x0000000006201000-memory.dmp

          memory/664-131-0x00000000060A0000-0x00000000060A1000-memory.dmp

          memory/664-111-0x0000000072EC0000-0x00000000735AE000-memory.dmp

          memory/664-130-0x0000000006060000-0x0000000006061000-memory.dmp

          memory/664-113-0x0000000000A50000-0x0000000000A51000-memory.dmp

          memory/664-145-0x00000000055D0000-0x00000000055D1000-memory.dmp

          memory/664-125-0x0000000006020000-0x0000000006021000-memory.dmp

          memory/916-69-0x0000000072EC0000-0x00000000735AE000-memory.dmp

          memory/916-78-0x00000000003C0000-0x00000000003CD000-memory.dmp

          memory/916-70-0x00000000002C0000-0x00000000002C1000-memory.dmp

          memory/916-73-0x0000000000350000-0x0000000000351000-memory.dmp

          memory/916-75-0x00000000003A0000-0x00000000003B4000-memory.dmp

          memory/948-58-0x00000000008A0000-0x00000000008A1000-memory.dmp

          memory/948-50-0x0000000072EC0000-0x00000000735AE000-memory.dmp

          memory/948-77-0x00000000001B0000-0x00000000001CA000-memory.dmp

          memory/1452-72-0x0000000000240000-0x0000000000241000-memory.dmp

          memory/1452-60-0x0000000072EC0000-0x00000000735AE000-memory.dmp

          memory/1452-76-0x0000000000250000-0x0000000000266000-memory.dmp

          memory/1452-62-0x0000000000B10000-0x0000000000B11000-memory.dmp

          memory/1464-103-0x0000000000400000-0x0000000000412000-memory.dmp

          memory/1464-105-0x0000000072EC0000-0x00000000735AE000-memory.dmp

          memory/1464-94-0x0000000000400000-0x0000000000412000-memory.dmp

          memory/1464-102-0x0000000000400000-0x0000000000412000-memory.dmp

          memory/1524-88-0x0000000000400000-0x0000000000408000-memory.dmp

          memory/1524-97-0x0000000072EC0000-0x00000000735AE000-memory.dmp

          memory/1524-92-0x0000000000400000-0x0000000000408000-memory.dmp

          memory/1524-82-0x0000000000400000-0x0000000000408000-memory.dmp

          memory/1556-29-0x000007FEF7CD0000-0x000007FEF7F4A000-memory.dmp

          memory/1856-112-0x0000000072EC0000-0x00000000735AE000-memory.dmp

          memory/1856-119-0x0000000002110000-0x0000000002111000-memory.dmp

          memory/1856-121-0x00000000028B0000-0x00000000028B1000-memory.dmp

          memory/1860-22-0x0000000000400000-0x0000000000438000-memory.dmp

          memory/1860-28-0x0000000000400000-0x0000000000438000-memory.dmp

          memory/1972-16-0x0000000000400000-0x0000000000497000-memory.dmp

          memory/1972-27-0x0000000000400000-0x0000000000497000-memory.dmp

          memory/1984-25-0x0000000000400000-0x0000000000424000-memory.dmp

          memory/1984-17-0x0000000000400000-0x0000000000424000-memory.dmp