Overview

overview

10

Static

static

60BB63DD81...F9.exe

windows7_x64

10

60BB63DD81...F9.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    200s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    14-05-2021 21:04

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General

  • Target

    60BB63DD8161C7FAE9436975F2E945F9.exe

  • Size

    3.3MB

  • MD5

    60bb63dd8161c7fae9436975f2e945f9

  • SHA1

    2e813eec9a866ec93e707ea129edf578e882cd01

  • SHA256

    ffecd6261932159067dd93f5c1df26f8da517f37ded13d122db853c1c84e7924

  • SHA512

    f65ffa06ed91d94a7a938dbc5cc92944a9b9f8be48abd8e7bde74d66c5e25e700734cf5fcda8ac78c198e68df32fde21df6e7605668d75f3c22f1f18b6a4063a

Score
10/10
plugxsmokeloaderbackdoordiscoverypersistencespywarestealertrojanupx

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://khaleelahmed.com/upload/

http://twvickiassociation.com/upload/

http://www20833.com/upload/

http://cocinasintonterias.com/upload/

http://masaofukunaga.com/upload/

http://gnckids.com/upload/
rc4.i32
rc4.i32

Signatures

  • PlugX

    PlugX is a RAT (Remote Access Trojan) that has been around since 2008.

    trojanplugx
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Executes dropped EXE 9 IoCs
  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Loads dropped DLL 35 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

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

    discovery
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 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.

  • Kills process with taskkill 1 IoCs
    evasion
  • Modifies registry class 8 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 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Windows\system32\services.exe
    C:\Windows\system32\services.exe
    1⤵
      PID:460
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k netsvcs
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in System32 directory
        • Suspicious use of SetThreadContext
        • Drops file in Windows directory
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:868
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k SystemNetworkService
        2⤵
        • Modifies registry class
        PID:1384
    • C:\Users\Admin\AppData\Local\Temp\60BB63DD8161C7FAE9436975F2E945F9.exe
      "C:\Users\Admin\AppData\Local\Temp\60BB63DD8161C7FAE9436975F2E945F9.exe"
      1⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1876
      • C:\Users\Admin\AppData\Local\Temp\jg2_2qua.exe
        "C:\Users\Admin\AppData\Local\Temp\jg2_2qua.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:280
      • C:\Users\Admin\AppData\Local\Temp\Files.exe
        "C:\Users\Admin\AppData\Local\Temp\Files.exe"
        2⤵
        • Executes dropped EXE
        PID:564
      • C:\Users\Admin\AppData\Local\Temp\KRSetp.exe
        "C:\Users\Admin\AppData\Local\Temp\KRSetp.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1592
      • C:\Users\Admin\AppData\Local\Temp\wf-game.exe
        "C:\Users\Admin\AppData\Local\Temp\wf-game.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1824
        • C:\Windows\SysWOW64\rUNdlL32.eXe
          "C:\Windows\system32\rUNdlL32.eXe" "C:\Users\Admin\AppData\Local\Temp\install.dll",install
          3⤵
          • Loads dropped DLL
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1736
      • C:\Users\Admin\AppData\Local\Temp\agdsk.exe
        "C:\Users\Admin\AppData\Local\Temp\agdsk.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:540
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /c taskkill /f /im chrome.exe
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:316
          • C:\Windows\SysWOW64\taskkill.exe
            taskkill /f /im chrome.exe
            4⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:2036
      • C:\Users\Admin\AppData\Local\Temp\pzyh.exe
        "C:\Users\Admin\AppData\Local\Temp\pzyh.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:2016
        • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
          C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
          3⤵
          • Executes dropped EXE
          PID:1560
        • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
          C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
          3⤵
          • Executes dropped EXE
          PID:2008
      • C:\Users\Admin\AppData\Local\Temp\pub2.exe
        "C:\Users\Admin\AppData\Local\Temp\pub2.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks SCSI registry key(s)
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        PID:1980

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/280-143-0x0000000002C90000-0x0000000002CA0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/280-137-0x0000000001F30000-0x0000000001F40000-memory.dmp

      Filesize

      64KB

      Download

    • memory/280-110-0x0000000000400000-0x000000000056D000-memory.dmp

      Filesize

      1.4MB

      Download

    • memory/868-130-0x0000000001250000-0x00000000012C0000-memory.dmp

      Filesize

      448KB

      Download

    • memory/1204-136-0x0000000002A50000-0x0000000002A66000-memory.dmp

      Filesize

      88KB

      Download

    • memory/1384-126-0x0000000000060000-0x00000000000AB000-memory.dmp

      Filesize

      300KB

      Download

    • memory/1384-131-0x0000000000470000-0x00000000004E0000-memory.dmp

      Filesize

      448KB

      Download

    • memory/1592-85-0x0000000001010000-0x0000000001011000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1592-112-0x0000000000360000-0x000000000037D000-memory.dmp

      Filesize

      116KB

      Download

    • memory/1592-115-0x000000001AF70000-0x000000001AF72000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1592-114-0x0000000000400000-0x0000000000401000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1592-101-0x0000000000350000-0x0000000000351000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1736-128-0x00000000005B0000-0x000000000060C000-memory.dmp

      Filesize

      368KB

      Download

    • memory/1736-125-0x0000000010000000-0x0000000010002000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1736-127-0x00000000002B0000-0x00000000003B1000-memory.dmp

      Filesize

      1.0MB

      Download

    • memory/1876-59-0x0000000075891000-0x0000000075893000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1980-135-0x0000000000400000-0x0000000000845000-memory.dmp

      Filesize

      4.3MB

      Download

    • memory/1980-134-0x0000000000220000-0x0000000000229000-memory.dmp

      Filesize

      36KB

      Download