Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    29/09/2021, 03:06

General

  • Target
    3d36f877680341511604f09550d7dd20.exe
  • Size 180KB
  • Sample210929-dlwjfadefk
  • SHA256 8e0bf87628ea9c37fd9a0ca40fbbac0bf8d219f2f514efad2f63e0ba90cf7dd4
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://naghenrietti1.top/

  • http://kimballiett2.top/

  • http://xadriettany3.top/

  • http://jebeccallis4.top/

  • http://nityanneron5.top/

  • http://umayaniela6.top/

  • http://lynettaram7.top/

  • http://sadineyalas8.top/

  • http://geenaldencia9.top/

  • http://aradysiusep10.top/

rc4.i32
rc4.i32

Extracted

Family
  • redline

Botnet
  • 777777

C2
  • 193.56.146.60:18243

Extracted

Family
  • raccoon

Botnet
  • 5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4

Attributes
  • url4cnc

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 2 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Turns off Windows Defender SpyNet reporting 2 TTPs
  • Windows security bypass 2 TTPs
  • suricata: ET MALWARE Amadey CnC Check-In

    suricata: ET MALWARE Amadey CnC Check-In

  • suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)

    suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)

  • suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

    suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

  • Nirsoft 3 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 7 IoCs
  • Deletes itself 1 IoCs
  • Drops startup file 1 IoCs
  • Loads dropped DLL 18 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 10 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.

  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 15 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 13 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Modifies registry class 2 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3d36f877680341511604f09550d7dd20.exe
    "C:\Users\Admin\AppData\Local\Temp\3d36f877680341511604f09550d7dd20.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2060
    • C:\Users\Admin\AppData\Local\Temp\3d36f877680341511604f09550d7dd20.exe
      "C:\Users\Admin\AppData\Local\Temp\3d36f877680341511604f09550d7dd20.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2256
  • C:\Users\Admin\AppData\Local\Temp\F92B.exe
    C:\Users\Admin\AppData\Local\Temp\F92B.exe
    1⤵
    • Executes dropped EXE
    • Windows security modification
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2672
    • C:\Users\Admin\AppData\Local\Temp\be5c3f69-cf73-4aa8-b51d-c813ae159712\AdvancedRun.exe
      "C:\Users\Admin\AppData\Local\Temp\be5c3f69-cf73-4aa8-b51d-c813ae159712\AdvancedRun.exe" /EXEFilename "C:\Users\Admin\AppData\Local\Temp\be5c3f69-cf73-4aa8-b51d-c813ae159712\test.bat" /WindowState ""0"" /PriorityClass ""32"" /CommandLine "" /StartDirectory "" /RunAs 8 /Run
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:504
      • C:\Users\Admin\AppData\Local\Temp\be5c3f69-cf73-4aa8-b51d-c813ae159712\AdvancedRun.exe
        "C:\Users\Admin\AppData\Local\Temp\be5c3f69-cf73-4aa8-b51d-c813ae159712\AdvancedRun.exe" /SpecialRun 4101d8 504
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:3368
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\F92B.exe" -Force
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:692
    • C:\Users\Admin\AppData\Local\Temp\F92B.exe
      "C:\Users\Admin\AppData\Local\Temp\F92B.exe"
      2⤵
      • Executes dropped EXE
      PID:960
  • C:\Users\Admin\AppData\Local\Temp\14B3.exe
    C:\Users\Admin\AppData\Local\Temp\14B3.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Enumerates connected drives
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:688
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\system32\msiexec.exe" /i "C:\Users\Admin\AppData\Roaming\DB Software Laboratory\Svn Syncronize Management 1.7.3.2\install\97C955F\adv.msi" AI_SETUPEXEPATH=C:\Users\Admin\AppData\Local\Temp\14B3.exe SETUPEXEDIR=C:\Users\Admin\AppData\Local\Temp\ EXE_CMD_LINE="/exenoupdates /forcecleanup /wintime 1632884616 " AI_EUIMSI=""
      2⤵
      • Enumerates connected drives
      • Suspicious use of FindShellTrayWindow
      PID:2340
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3912
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 1A74B0A8FEA8D577FCF244030F4342AA C
      2⤵
      • Loads dropped DLL
      PID:2360
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding C61545F4ECE9AFDFC47D1A400B93C9E2
      2⤵
      • Loads dropped DLL
      PID:2720
    • C:\Users\Admin\AppData\Roaming\DB Software Laboratory\Svn Syncronize Management\disksyncer.exe
      "C:\Users\Admin\AppData\Roaming\DB Software Laboratory\Svn Syncronize Management\disksyncer.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Loads dropped DLL
      PID:2612
  • C:\Users\Admin\AppData\Local\Temp\1CB3.exe
    C:\Users\Admin\AppData\Local\Temp\1CB3.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:3128
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\1CB3.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1920
      • C:\Windows\SysWOW64\timeout.exe
        timeout /T 10 /NOBREAK
        3⤵
        • Delays execution with timeout.exe
        PID:2312

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/692-150-0x0000000006FD0000-0x0000000006FD1000-memory.dmp

        memory/692-151-0x0000000006FD2000-0x0000000006FD3000-memory.dmp

        memory/692-454-0x00000000098A0000-0x00000000098A1000-memory.dmp

        memory/692-200-0x00000000099B0000-0x00000000099B1000-memory.dmp

        memory/692-199-0x00000000095C0000-0x00000000095C1000-memory.dmp

        memory/692-194-0x0000000007270000-0x0000000007271000-memory.dmp

        memory/692-139-0x0000000006F20000-0x0000000006F21000-memory.dmp

        memory/692-140-0x0000000007610000-0x0000000007611000-memory.dmp

        memory/692-145-0x0000000007550000-0x0000000007551000-memory.dmp

        memory/692-191-0x000000007EBC0000-0x000000007EBC1000-memory.dmp

        memory/692-186-0x0000000009490000-0x00000000094C3000-memory.dmp

        memory/692-147-0x0000000007D30000-0x0000000007D31000-memory.dmp

        memory/692-207-0x0000000006FD3000-0x0000000006FD4000-memory.dmp

        memory/692-460-0x0000000009890000-0x0000000009891000-memory.dmp

        memory/692-162-0x0000000008760000-0x0000000008761000-memory.dmp

        memory/692-157-0x0000000007DF0000-0x0000000007DF1000-memory.dmp

        memory/692-148-0x0000000007F80000-0x0000000007F81000-memory.dmp

        memory/692-149-0x00000000080F0000-0x00000000080F1000-memory.dmp

        memory/960-152-0x0000000005760000-0x0000000005761000-memory.dmp

        memory/960-134-0x0000000000400000-0x0000000000422000-memory.dmp

        memory/960-153-0x0000000005760000-0x0000000005D66000-memory.dmp

        memory/960-326-0x0000000007470000-0x0000000007471000-memory.dmp

        memory/960-154-0x00000000057A0000-0x00000000057A1000-memory.dmp

        memory/960-331-0x0000000007450000-0x0000000007451000-memory.dmp

        memory/960-146-0x0000000005870000-0x0000000005871000-memory.dmp

        memory/960-287-0x0000000007700000-0x0000000007701000-memory.dmp

        memory/960-144-0x0000000003180000-0x0000000003181000-memory.dmp

        memory/960-143-0x0000000005D70000-0x0000000005D71000-memory.dmp

        memory/960-283-0x0000000007000000-0x0000000007001000-memory.dmp

        memory/960-477-0x0000000008730000-0x0000000008731000-memory.dmp

        memory/2060-117-0x0000000000440000-0x00000000004EE000-memory.dmp

        memory/2256-115-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/2672-124-0x00000000054E0000-0x00000000054E1000-memory.dmp

        memory/2672-122-0x0000000000020000-0x0000000000021000-memory.dmp

        memory/2672-125-0x0000000005440000-0x00000000054B9000-memory.dmp

        memory/2672-126-0x0000000005A80000-0x0000000005A81000-memory.dmp

        memory/2672-127-0x0000000004A30000-0x0000000004A31000-memory.dmp

        memory/3028-118-0x0000000000E70000-0x0000000000E86000-memory.dmp

        memory/3128-270-0x0000000000400000-0x0000000000493000-memory.dmp

        memory/3128-267-0x00000000005B0000-0x00000000006FA000-memory.dmp