Overview

overview

10

Static

static

28A5B3BC18...82.exe

windows7_x64

10

28A5B3BC18...82.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    31-05-2021 18:22

Sharing

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General

  • Target

    28A5B3BC1801EA6443643F1AD8710A82.exe

  • Size

    3.1MB

  • MD5

    28a5b3bc1801ea6443643f1ad8710a82

  • SHA1

    8be30d706d5de45bfdba5ff38caba3e9e982fa1b

  • SHA256

    e55e95de03dff2a35cb8304d855c944a5309c56ff8d369af0a542e600faa6808

  • SHA512

    8c7ed424f54f0f05ab03c99a47db60c6a2c3a29f2e251f62f16c1dea3861571ac5ecc5b55612b9fa69230babe35d7ff779aae65e19d34a0558e459c4e5bed24d

Score
10/10
plugxsmokeloaderbackdoorevasionspywarestealertrojanupxvmprotect

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://20xbtc.com/upload/

http://yzsnw.com/upload/

http://kaledebiyat.com/upload/

http://expertizizmir.com/upload/

http://dedkndy.com/upload/

http://theuncu.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 NtCreateProcessExOtherParentProcess 1 IoCs
  • Executes dropped EXE 11 IoCs
  • UPX packed file 4 IoCs

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

    upx
  • VMProtect packed file 3 IoCs

    Detects executables packed with VMProtect commercial packer.

    vmprotect
  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

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

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

    spywarestealer
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • 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 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • autoit_exe 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 12 IoCs
  • Suspicious use of SendNotifyMessage 10 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs

Processes

  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s SENS
    1⤵
      PID:1448
    • c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s WpnService
      1⤵
        PID:2760
      • c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k netsvcs -s Winmgmt
        1⤵
          PID:2752
        • c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k netsvcs -s Browser
          1⤵
            PID:2596
          • c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k netsvcs -s IKEEXT
            1⤵
              PID:2484
            • c:\windows\system32\svchost.exe
              c:\windows\system32\svchost.exe -k netsvcs -s LanmanServer
              1⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:2416
            • c:\windows\system32\svchost.exe
              c:\windows\system32\svchost.exe -k netsvcs -s ShellHWDetection
              1⤵
                PID:1896
              • c:\windows\system32\svchost.exe
                c:\windows\system32\svchost.exe -k netsvcs -s UserManager
                1⤵
                  PID:1316
                • c:\windows\system32\svchost.exe
                  c:\windows\system32\svchost.exe -k netsvcs -s Themes
                  1⤵
                    PID:1268
                  • c:\windows\system32\svchost.exe
                    c:\windows\system32\svchost.exe -k netsvcs -s ProfSvc
                    1⤵
                      PID:1120
                    • c:\windows\system32\svchost.exe
                      c:\windows\system32\svchost.exe -k netsvcs -s Schedule
                      1⤵
                      • Drops file in System32 directory
                      • Suspicious use of WriteProcessMemory
                      PID:1032
                      • C:\Users\Admin\AppData\Roaming\avawewb
                        C:\Users\Admin\AppData\Roaming\avawewb
                        2⤵
                        • Executes dropped EXE
                        PID:4180
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 4180 -s 260
                          3⤵
                          • Suspicious use of NtCreateProcessExOtherParentProcess
                          • Drops file in Windows directory
                          • Program crash
                          PID:4648
                    • c:\windows\system32\svchost.exe
                      c:\windows\system32\svchost.exe -k netsvcs -s gpsvc
                      1⤵
                        PID:68
                      • C:\Users\Admin\AppData\Local\Temp\28A5B3BC1801EA6443643F1AD8710A82.exe
                        "C:\Users\Admin\AppData\Local\Temp\28A5B3BC1801EA6443643F1AD8710A82.exe"
                        1⤵
                        • Checks computer location settings
                        • Suspicious use of WriteProcessMemory
                        PID:4024
                        • C:\Users\Admin\AppData\Local\Temp\jg3_3uag.exe
                          "C:\Users\Admin\AppData\Local\Temp\jg3_3uag.exe"
                          2⤵
                          • Executes dropped EXE
                          • Suspicious use of WriteProcessMemory
                          PID:2876
                          • C:\Users\Admin\AppData\Local\Temp\RarSFX0\jg3_3uag.exe
                            "C:\Users\Admin\AppData\Local\Temp\RarSFX0\jg3_3uag.exe"
                            3⤵
                            • Executes dropped EXE
                            • Checks whether UAC is enabled
                            • Suspicious use of AdjustPrivilegeToken
                            PID:3424
                        • 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:3668
                        • C:\Users\Admin\AppData\Local\Temp\Files.exe
                          "C:\Users\Admin\AppData\Local\Temp\Files.exe"
                          2⤵
                          • Executes dropped EXE
                          • Checks computer location settings
                          • Suspicious use of WriteProcessMemory
                          PID:4272
                          • C:\Users\Admin\AppData\Local\Temp\RarSFX1\File.exe
                            "C:\Users\Admin\AppData\Local\Temp\RarSFX1\File.exe"
                            3⤵
                            • Executes dropped EXE
                            • Suspicious use of FindShellTrayWindow
                            • Suspicious use of SendNotifyMessage
                            PID:4500
                        • C:\Users\Admin\AppData\Local\Temp\Folder.exe
                          "C:\Users\Admin\AppData\Local\Temp\Folder.exe"
                          2⤵
                          • Executes dropped EXE
                          • Checks computer location settings
                          • Suspicious use of WriteProcessMemory
                          PID:4296
                          • C:\Windows\SysWOW64\rUNdlL32.eXe
                            "C:\Windows\system32\rUNdlL32.eXe" "C:\Users\Admin\AppData\Local\Temp\install.dll",setpwd
                            3⤵
                            • Loads dropped DLL
                            • Suspicious behavior: EnumeratesProcesses
                            • Suspicious use of AdjustPrivilegeToken
                            • Suspicious use of WriteProcessMemory
                            PID:4672
                        • C:\Users\Admin\AppData\Local\Temp\pzyh.exe
                          "C:\Users\Admin\AppData\Local\Temp\pzyh.exe"
                          2⤵
                          • Executes dropped EXE
                          • Suspicious use of WriteProcessMemory
                          PID:4364
                          • 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:4564
                          • 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:4848
                        • 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:4396
                      • \??\c:\windows\system32\svchost.exe
                        c:\windows\system32\svchost.exe -k netsvcs -s BITS
                        1⤵
                        • Suspicious use of SetThreadContext
                        • Modifies registry class
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        PID:2228
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k SystemNetworkService
                          2⤵
                          • Modifies registry class
                          PID:4816
                      • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
                        "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
                        1⤵
                        • Drops file in Windows directory
                        • Modifies Internet Explorer settings
                        • Modifies registry class
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of SetWindowsHookEx
                        PID:2720
                      • C:\Windows\system32\browser_broker.exe
                        C:\Windows\system32\browser_broker.exe -Embedding
                        1⤵
                        • Modifies Internet Explorer settings
                        PID:2988
                      • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
                        "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
                        1⤵
                        • Modifies registry class
                        • Suspicious use of SetWindowsHookEx
                        PID:4532
                      • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
                        "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
                        1⤵
                        • Modifies Internet Explorer settings
                        • Modifies registry class
                        • Suspicious use of AdjustPrivilegeToken
                        PID:4648
                      • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
                        "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
                        1⤵
                        • Drops file in Windows directory
                        • Modifies registry class
                        • Suspicious use of SetWindowsHookEx
                        PID:2136
                      • C:\Windows\system32\browser_broker.exe
                        C:\Windows\system32\browser_broker.exe -Embedding
                        1⤵
                        • Modifies Internet Explorer settings
                        PID:4132
                      • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
                        "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
                        1⤵
                        • Suspicious behavior: MapViewOfSection
                        • Suspicious use of SetWindowsHookEx
                        • Suspicious use of WriteProcessMemory
                        PID:4632
                      • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
                        "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
                        1⤵
                        • Modifies registry class
                        PID:3880
                      • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
                        "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
                        1⤵
                        • Modifies registry class
                        PID:4840

                      Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • memory/68-198-0x000001F5A3030000-0x000001F5A30A0000-memory.dmp

                        Filesize

                        448KB

                        Download

                      • memory/1032-181-0x00000229A8860000-0x00000229A88D0000-memory.dmp

                        Filesize

                        448KB

                        Download

                      • memory/1120-175-0x0000022DEB750000-0x0000022DEB7C0000-memory.dmp

                        Filesize

                        448KB

                        Download

                      • memory/1120-172-0x0000022DEAD70000-0x0000022DEADBB000-memory.dmp

                        Filesize

                        300KB

                        Download

                      • memory/1268-199-0x000002A94F1D0000-0x000002A94F240000-memory.dmp

                        Filesize

                        448KB

                        Download

                      • memory/1316-205-0x00000280C1F70000-0x00000280C1FE0000-memory.dmp

                        Filesize

                        448KB

                        Download

                      • memory/1448-188-0x0000024AA2900000-0x0000024AA2970000-memory.dmp

                        Filesize

                        448KB

                        Download

                      • memory/1896-193-0x0000021BF0CD0000-0x0000021BF0D40000-memory.dmp

                        Filesize

                        448KB

                        Download

                      • memory/2228-180-0x000002E256A10000-0x000002E256A80000-memory.dmp

                        Filesize

                        448KB

                        Download

                      • memory/2416-169-0x0000011F466B0000-0x0000011F46720000-memory.dmp

                        Filesize

                        448KB

                        Download

                      • memory/2484-204-0x000002D76D070000-0x000002D76D0E0000-memory.dmp

                        Filesize

                        448KB

                        Download

                      • memory/2596-187-0x000001F72A790000-0x000001F72A800000-memory.dmp

                        Filesize

                        448KB

                        Download

                      • memory/2752-210-0x000001E5E9040000-0x000001E5E90B0000-memory.dmp

                        Filesize

                        448KB

                        Download

                      • memory/2760-214-0x0000024613A40000-0x0000024613AB0000-memory.dmp

                        Filesize

                        448KB

                        Download

                      • memory/3024-221-0x0000000000D40000-0x0000000000D56000-memory.dmp

                        Filesize

                        88KB

                        Download

                      • memory/3424-223-0x0000000003530000-0x0000000003540000-memory.dmp

                        Filesize

                        64KB

                        Download

                      • memory/3424-229-0x00000000036D0000-0x00000000036E0000-memory.dmp

                        Filesize

                        64KB

                        Download

                      • memory/3424-133-0x0000000000400000-0x00000000005DE000-memory.dmp

                        Filesize

                        1.9MB

                        Download

                      • memory/3424-236-0x0000000004C20000-0x0000000004C28000-memory.dmp

                        Filesize

                        32KB

                        Download

                      • memory/3424-235-0x00000000048E0000-0x00000000048E8000-memory.dmp

                        Filesize

                        32KB

                        Download

                      • memory/3668-126-0x0000000000FA0000-0x0000000000FA1000-memory.dmp

                        Filesize

                        4KB

                        Download

                      • memory/3668-131-0x000000001B3E0000-0x000000001B3E2000-memory.dmp

                        Filesize

                        8KB

                        Download

                      • memory/3668-124-0x0000000000870000-0x0000000000871000-memory.dmp

                        Filesize

                        4KB

                        Download

                      • memory/3668-132-0x0000000000FE0000-0x0000000000FE1000-memory.dmp

                        Filesize

                        4KB

                        Download

                      • memory/3668-130-0x0000000000FC0000-0x0000000000FE0000-memory.dmp

                        Filesize

                        128KB

                        Download

                      • memory/4180-263-0x0000000000400000-0x0000000000458000-memory.dmp

                        Filesize

                        352KB

                        Download

                      • memory/4180-262-0x0000000000460000-0x00000000005AA000-memory.dmp

                        Filesize

                        1.3MB

                        Download

                      • memory/4396-217-0x0000000000400000-0x0000000000458000-memory.dmp

                        Filesize

                        352KB

                        Download

                      • memory/4396-216-0x0000000000460000-0x000000000050E000-memory.dmp

                        Filesize

                        696KB

                        Download

                      • memory/4672-168-0x0000000004435000-0x0000000004536000-memory.dmp

                        Filesize

                        1.0MB

                        Download

                      • memory/4672-170-0x0000000000EB0000-0x0000000000F0C000-memory.dmp

                        Filesize

                        368KB

                        Download

                      • memory/4816-192-0x0000022AC5940000-0x0000022AC59B0000-memory.dmp

                        Filesize

                        448KB

                        Download