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
    windows7_x64
  • resource
    win7v20210410
  • submitted
    31-05-2021 18:22

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General

  • Target

    28A5B3BC1801EA6443643F1AD8710A82.exe

  • Size

    3.1MB

  • MD5

    28a5b3bc1801ea6443643f1ad8710a82

  • SHA1

    8be30d706d5de45bfdba5ff38caba3e9e982fa1b

  • SHA256

    e55e95de03dff2a35cb8304d855c944a5309c56ff8d369af0a542e600faa6808

  • SHA512

    8c7ed424f54f0f05ab03c99a47db60c6a2c3a29f2e251f62f16c1dea3861571ac5ecc5b55612b9fa69230babe35d7ff779aae65e19d34a0558e459c4e5bed24d

Score
10/10
plugxredlinesmokeloader8backdoordiscoveryevasioninfostealerpersistencespywarestealertrojanupxvmprotect

Malware Config

Extracted

Family

redline

Botnet

8

C2

wimuawzice.xyz:80

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
  • RedLine

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

    infostealerredline
  • RedLine Payload 3 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 18 IoCs
  • UPX packed file 3 IoCs

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

    upx
  • VMProtect packed file 11 IoCs

    Detects executables packed with VMProtect commercial packer.

    vmprotect
  • Loads dropped DLL 46 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
    discovery
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
    spyware
  • Adds Run key to start application 2 TTPs 2 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
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
    evasiontrojan
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 3 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • autoit_exe 6 IoCs

    AutoIT scripts compiled to PE executables.

  • 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.

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

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 39 IoCs
    adwarespyware
  • Modifies data under HKEY_USERS 30 IoCs
  • Modifies registry class 11 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
    evasionspywaretrojan
  • NTFS ADS 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 12 IoCs
  • Suspicious use of SendNotifyMessage 8 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\services.exe
    C:\Windows\system32\services.exe
    1⤵
      PID:472
      • 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
        PID:872
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k SystemNetworkService
        2⤵
        • Drops file in System32 directory
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        • Modifies registry class
        PID:2760
    • C:\Users\Admin\AppData\Local\Temp\28A5B3BC1801EA6443643F1AD8710A82.exe
      "C:\Users\Admin\AppData\Local\Temp\28A5B3BC1801EA6443643F1AD8710A82.exe"
      1⤵
      • Loads dropped DLL
      • Checks whether UAC is enabled
      • Suspicious use of WriteProcessMemory
      PID:2036
      • C:\Users\Admin\AppData\Local\Temp\jg3_3uag.exe
        "C:\Users\Admin\AppData\Local\Temp\jg3_3uag.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1988
        • C:\Users\Admin\AppData\Local\Temp\RarSFX0\jg3_3uag.exe
          "C:\Users\Admin\AppData\Local\Temp\RarSFX0\jg3_3uag.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:1820
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1820 -s 192
            4⤵
            • Loads dropped DLL
            • Program crash
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:952
      • C:\Users\Admin\AppData\Local\Temp\KRSetp.exe
        "C:\Users\Admin\AppData\Local\Temp\KRSetp.exe"
        2⤵
        • Executes dropped EXE
        • Modifies system certificate store
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1952
        • C:\Users\Admin\AppData\Roaming\5096169.exe
          "C:\Users\Admin\AppData\Roaming\5096169.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:756
        • C:\Users\Admin\AppData\Roaming\5933590.exe
          "C:\Users\Admin\AppData\Roaming\5933590.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:924
          • C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe
            "C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe"
            4⤵
            • Executes dropped EXE
            PID:2596
        • C:\Users\Admin\AppData\Roaming\1920382.exe
          "C:\Users\Admin\AppData\Roaming\1920382.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Modifies system certificate store
          • Suspicious use of AdjustPrivilegeToken
          PID:112
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
            C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\AddInProcess32.exe
            4⤵
              PID:2904
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
              C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\AddInProcess32.exe
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:2940
          • C:\Users\Admin\AppData\Roaming\5854342.exe
            "C:\Users\Admin\AppData\Roaming\5854342.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2272
        • C:\Users\Admin\AppData\Local\Temp\Files.exe
          "C:\Users\Admin\AppData\Local\Temp\Files.exe"
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          • Suspicious use of WriteProcessMemory
          PID:2080
          • 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:2228
        • C:\Users\Admin\AppData\Local\Temp\Folder.exe
          "C:\Users\Admin\AppData\Local\Temp\Folder.exe"
          2⤵
          • Executes dropped EXE
          PID:2108
          • C:\Windows\SysWOW64\rUNdlL32.eXe
            "C:\Windows\system32\rUNdlL32.eXe" "C:\Users\Admin\AppData\Local\Temp\install.dll",setpwd
            3⤵
            • Loads dropped DLL
            • Modifies registry class
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2620
        • C:\Users\Admin\AppData\Local\Temp\pzyh.exe
          "C:\Users\Admin\AppData\Local\Temp\pzyh.exe"
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2184
          • 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:2544
          • 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
            • Suspicious behavior: EnumeratesProcesses
            PID:2460
        • 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:2296
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
        1⤵
        • Modifies Internet Explorer settings
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1104
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1104 CREDAT:275457 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • NTFS ADS
          • Suspicious use of SetWindowsHookEx
          PID:1624
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1104 CREDAT:668676 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • NTFS ADS
          • Suspicious use of SetWindowsHookEx
          PID:3016
      • C:\Users\Admin\AppData\Local\Temp\564A.exe
        C:\Users\Admin\AppData\Local\Temp\564A.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        PID:2336
        • C:\Users\Admin\AppData\Local\Temp\564A.exe
          C:\Users\Admin\AppData\Local\Temp\564A.exe
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          PID:2060
          • C:\Windows\SysWOW64\icacls.exe
            icacls "C:\Users\Admin\AppData\Local\1c7826b2-1d7b-4b59-9ac6-9c9ce0f70620" /deny *S-1-1-0:(OI)(CI)(DE,DC)
            3⤵
            • Modifies file permissions
            PID:3008
          • C:\Users\Admin\AppData\Local\Temp\564A.exe
            "C:\Users\Admin\AppData\Local\Temp\564A.exe" --Admin IsNotAutoStart IsNotTask
            3⤵
            • Executes dropped EXE
            PID:1668

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/112-112-0x0000000000BF0000-0x0000000000BF1000-memory.dmp

        Filesize

        4KB

        Download

      • memory/112-128-0x0000000004E70000-0x0000000004E71000-memory.dmp

        Filesize

        4KB

        Download

      • memory/756-159-0x0000000000270000-0x000000000029C000-memory.dmp

        Filesize

        176KB

        Download

      • memory/756-106-0x0000000000E90000-0x0000000000E91000-memory.dmp

        Filesize

        4KB

        Download

      • memory/756-132-0x0000000004AC0000-0x0000000004AC1000-memory.dmp

        Filesize

        4KB

        Download

      • memory/872-183-0x0000000001000000-0x000000000104B000-memory.dmp

        Filesize

        300KB

        Download

      • memory/872-184-0x0000000001430000-0x00000000014A0000-memory.dmp

        Filesize

        448KB

        Download

      • memory/924-105-0x0000000000010000-0x0000000000011000-memory.dmp

        Filesize

        4KB

        Download

      • memory/924-154-0x0000000000210000-0x0000000000217000-memory.dmp

        Filesize

        28KB

        Download

      • memory/924-134-0x0000000001F70000-0x0000000001F71000-memory.dmp

        Filesize

        4KB

        Download

      • memory/952-98-0x00000000008D0000-0x0000000000AAE000-memory.dmp

        Filesize

        1.9MB

        Download

      • memory/1104-84-0x000007FEFC141000-0x000007FEFC143000-memory.dmp

        Filesize

        8KB

        Download

      • memory/1272-199-0x0000000002A80000-0x0000000002A96000-memory.dmp

        Filesize

        88KB

        Download

      • memory/1820-88-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

        Download

      • memory/1952-87-0x0000000000280000-0x0000000000281000-memory.dmp

        Filesize

        4KB

        Download

      • memory/1952-83-0x0000000000260000-0x0000000000280000-memory.dmp

        Filesize

        128KB

        Download

      • memory/1952-94-0x000000001AAE0000-0x000000001AAE2000-memory.dmp

        Filesize

        8KB

        Download

      • memory/1952-74-0x0000000000340000-0x0000000000341000-memory.dmp

        Filesize

        4KB

        Download

      • memory/1952-77-0x0000000000250000-0x0000000000251000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2036-60-0x0000000076281000-0x0000000076283000-memory.dmp

        Filesize

        8KB

        Download

      • memory/2060-203-0x0000000000400000-0x0000000000537000-memory.dmp

        Filesize

        1.2MB

        Download

      • memory/2060-207-0x0000000000400000-0x0000000000537000-memory.dmp

        Filesize

        1.2MB

        Download

      • memory/2272-161-0x0000000000580000-0x0000000000581000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2272-169-0x0000000000910000-0x0000000000911000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2272-160-0x0000000000420000-0x0000000000459000-memory.dmp

        Filesize

        228KB

        Download

      • memory/2272-158-0x0000000000390000-0x0000000000391000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2272-156-0x0000000000970000-0x0000000000971000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2296-197-0x0000000000220000-0x0000000000229000-memory.dmp

        Filesize

        36KB

        Download

      • memory/2296-198-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

        Download

      • memory/2336-206-0x0000000001D00000-0x0000000001E1B000-memory.dmp

        Filesize

        1.1MB

        Download

      • memory/2596-180-0x0000000004A30000-0x0000000004A31000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2596-173-0x00000000012A0000-0x00000000012A1000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2620-181-0x0000000001ED0000-0x0000000001FD1000-memory.dmp

        Filesize

        1.0MB

        Download

      • memory/2620-182-0x00000000004C0000-0x000000000051C000-memory.dmp

        Filesize

        368KB

        Download

      • memory/2760-200-0x0000000002A20000-0x0000000002B26000-memory.dmp

        Filesize

        1.0MB

        Download

      • memory/2760-201-0x0000000001C00000-0x0000000001C1B000-memory.dmp

        Filesize

        108KB

        Download

      • memory/2760-186-0x0000000000350000-0x00000000003C0000-memory.dmp

        Filesize

        448KB

        Download

      • memory/2940-193-0x0000000004CF0000-0x0000000004CF1000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2940-189-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

        Download

      • memory/2940-187-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

        Download