Analysis

  • max time kernel
    34s
  • max time network
    39s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/12/2023, 02:21

General

  • Target
    mQ8FT62.exe
  • Size 2.3MB
  • Sample231206-cszzrsac39
  • SHA256 7de2ca4a5a35342f0344b2378ccdf91c140dc94516787248fc17bd39c12cd4a8
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • risepro

C2
  • 193.233.132.51

Extracted

Family
  • smokeloader

Version
  • 2022

C2
  • http://81.19.131.34/fks/index.php

rc4.i32
rc4.i32

Signatures

  • PrivateLoader

    PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

  • RisePro

    RisePro stealer is an infostealer distributed by PrivateLoader.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 6 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Looks up external IP address via web service 4 IoCs

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

  • Drops file in System32 directory 8 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 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.

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\mQ8FT62.exe
    "C:\Users\Admin\AppData\Local\Temp\mQ8FT62.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4444
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ZH0MI25.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ZH0MI25.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2884
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\BA5Os31.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\BA5Os31.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1640
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1Be96QP5.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1Be96QP5.exe
          4⤵
          • Drops startup file
          • Executes dropped EXE
          • Accesses Microsoft Outlook profiles
          • Adds Run key to start application
          • Drops file in System32 directory
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          • outlook_office_path
          • outlook_win_path
          PID:1620
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 HR" /sc HOURLY /rl HIGHEST
            5⤵
            • Creates scheduled task(s)
            PID:5068
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 LG" /sc ONLOGON /rl HIGHEST
            5⤵
            • Creates scheduled task(s)
            PID:700
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1620 -s 1760
            5⤵
            • Program crash
            PID:3224
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\3WK60hS.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\3WK60hS.exe
          4⤵
          • Executes dropped EXE
          • Checks SCSI registry key(s)
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          PID:4828
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4oz017Ag.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4oz017Ag.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:3572
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
          4⤵
          • Drops file in System32 directory
          PID:4920
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5sL4tK1.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5sL4tK1.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4964
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        3⤵
        • Checks SCSI registry key(s)
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        PID:4620
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
    1⤵
      PID:4160
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
      1⤵
        PID:4664
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1620 -ip 1620
        1⤵
          PID:4360
        • C:\Users\Admin\AppData\Local\Temp\1A49.exe
          C:\Users\Admin\AppData\Local\Temp\1A49.exe
          1⤵
            PID:5024

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                OfficeTrackerNMP131.exe

                • Path C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe
                • Size 1.6MB
                • SHA256 d20c9521b05372e3122b6d14305bcd07d66c3ad9f5a084a3649d0166ea60aef1
                • MD5 SHA1 SHA512 SSDEEP

                MaxLoonaFest131.exe

                • Path C:\Users\Admin\AppData\Local\MaxLoonaFest131\MaxLoonaFest131.exe
                • Size 1.6MB
                • SHA256 d20c9521b05372e3122b6d14305bcd07d66c3ad9f5a084a3649d0166ea60aef1
                • MD5 SHA1 SHA512 SSDEEP

                FANBooster131.exe

                • Path C:\Users\Admin\AppData\Local\Temp\FANBooster131\FANBooster131.exe
                • Size 1.6MB
                • SHA256 d20c9521b05372e3122b6d14305bcd07d66c3ad9f5a084a3649d0166ea60aef1
                • MD5 SHA1 SHA512 SSDEEP

                FANBooster131.exe

                • Path C:\Users\Admin\AppData\Local\Temp\FANBooster131\FANBooster131.exe
                • Size 1.6MB
                • SHA256 d20c9521b05372e3122b6d14305bcd07d66c3ad9f5a084a3649d0166ea60aef1
                • MD5 SHA1 SHA512 SSDEEP

                5sL4tK1.exe

                • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5sL4tK1.exe
                • Size 1.7MB
                • SHA256 80c582b105bd6ce588a7eec20fbf73a288d28a2404650b79b96c25c82d885300
                • MD5 SHA1 SHA512 SSDEEP

                5sL4tK1.exe

                • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5sL4tK1.exe
                • Size 1.7MB
                • SHA256 80c582b105bd6ce588a7eec20fbf73a288d28a2404650b79b96c25c82d885300
                • MD5 SHA1 SHA512 SSDEEP

                ZH0MI25.exe

                • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ZH0MI25.exe
                • Size 1.9MB
                • SHA256 8c05f312dbdac6966c392318cb7424050cdf326160be28041ff65da5ac7504ed
                • MD5 SHA1 SHA512 SSDEEP

                ZH0MI25.exe

                • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ZH0MI25.exe
                • Size 1.9MB
                • SHA256 8c05f312dbdac6966c392318cb7424050cdf326160be28041ff65da5ac7504ed
                • MD5 SHA1 SHA512 SSDEEP

                4oz017Ag.exe

                • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4oz017Ag.exe
                • Size 3.5MB
                • SHA256 c76625ff441ba1a68172aa25ee4c9941c2d00435fed8f966efedfda7c163d03d
                • MD5 SHA1 SHA512 SSDEEP

                4oz017Ag.exe

                • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4oz017Ag.exe
                • Size 3.5MB
                • SHA256 c76625ff441ba1a68172aa25ee4c9941c2d00435fed8f966efedfda7c163d03d
                • MD5 SHA1 SHA512 SSDEEP

                BA5Os31.exe

                • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\BA5Os31.exe
                • Size 789KB
                • SHA256 9edcd387decaca808d976504370b06f8afe76bf6612d294c9b537680ff482bd6
                • MD5 SHA1 SHA512 SSDEEP

                BA5Os31.exe

                • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\BA5Os31.exe
                • Size 789KB
                • SHA256 9edcd387decaca808d976504370b06f8afe76bf6612d294c9b537680ff482bd6
                • MD5 SHA1 SHA512 SSDEEP

                1Be96QP5.exe

                • Path C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1Be96QP5.exe
                • Size 1.6MB
                • SHA256 d20c9521b05372e3122b6d14305bcd07d66c3ad9f5a084a3649d0166ea60aef1
                • MD5 SHA1 SHA512 SSDEEP

                1Be96QP5.exe

                • Path C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1Be96QP5.exe
                • Size 1.6MB
                • SHA256 d20c9521b05372e3122b6d14305bcd07d66c3ad9f5a084a3649d0166ea60aef1
                • MD5 SHA1 SHA512 SSDEEP

                3WK60hS.exe

                • Path C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\3WK60hS.exe
                • Size 37KB
                • SHA256 060007e2d27636a06a6ae46cea17af0920c5f33424a0b1116ba1506310535775
                • MD5 SHA1 SHA512 SSDEEP

                3WK60hS.exe

                • Path C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\3WK60hS.exe
                • Size 37KB
                • SHA256 060007e2d27636a06a6ae46cea17af0920c5f33424a0b1116ba1506310535775
                • MD5 SHA1 SHA512 SSDEEP

                information.txt

                • Path C:\Users\Admin\AppData\Local\Temp\grandUIAh15pq9nf3oDnK\information.txt
                • Size 3KB
                • SHA256 08fbb44ecdb4f9cac66924faa3082cdda1918cc0dfa00bdb0b0be6d5da5a1dd5
                • MD5 SHA1 SHA512

                rise131M9Asphalt.tmp

                • Path C:\Users\Admin\AppData\Local\Temp\rise131M9Asphalt.tmp
                • Size 13B
                • SHA256 a18a932a692d7a3ef9c5c0cbfde8eed9296f49639345d625a23020c5e978ad91
                • MD5 SHA1 SHA512

                FANBooster131.lnk

                • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk
                • Size 1KB
                • SHA256 72be788cc3a430a3f59ed71b80eee5e200a7005e270e905e14c906ee3d0a5b30
                • MD5 SHA1 SHA512

                gpt.ini

                • Path C:\Windows\SysWOW64\GroupPolicy\gpt.ini
                • Size 11B
                • SHA256 77c7c10b4c860d5ddf4e057e713383e61e9f21bcf0ec4cfbbc16193f2e28f340
                • MD5 SHA1 SHA512

                GPT.INI

                • Path C:\Windows\System32\GroupPolicy\GPT.INI
                • Size 127B
                • SHA256 02ad5d151250848f2cc4b650a351505aa58ac13c50da207cc06295c123ddf5e5
                • MD5 SHA1 SHA512

                Registry.pol

                • Path C:\Windows\System32\GroupPolicy\Machine\Registry.pol
                • Size 1KB
                • SHA256 0ee08da4da3e4133e1809099fc646468e7156644c9a772f704b80e338015211f
                • MD5 SHA1 SHA512

                memory/3244-101-0x0000000003410000-0x0000000003426000-memory.dmp

                memory/3244-132-0x0000000003440000-0x0000000003456000-memory.dmp

                memory/4620-131-0x0000000000400000-0x000000000040B000-memory.dmp

                memory/4620-134-0x0000000000400000-0x000000000040B000-memory.dmp

                memory/4828-102-0x0000000000400000-0x000000000040B000-memory.dmp

                memory/4828-100-0x0000000000400000-0x000000000040B000-memory.dmp

                memory/4920-130-0x0000000000400000-0x0000000000598000-memory.dmp

                memory/4920-108-0x0000000000400000-0x0000000000598000-memory.dmp

                memory/4920-115-0x0000000000400000-0x0000000000598000-memory.dmp

                memory/4920-109-0x0000000000400000-0x0000000000598000-memory.dmp

                memory/4920-110-0x0000000000400000-0x0000000000598000-memory.dmp

                memory/4920-136-0x0000000000400000-0x0000000000598000-memory.dmp