Analysis

  • max time kernel
    104s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    04-06-2022 19:16

General

  • Target

    9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exe

  • Size

    1.5MB

  • MD5

    58a250aeb22f0040185210402d4243b3

  • SHA1

    cb74b3dba0e3ef8073f03810a0232da641b8a587

  • SHA256

    9c78846071126d7f29a8b82b699903031d7d2cd837df91584fd1ee7eb7b8c93b

  • SHA512

    72aea6fd61661826dad7de76d7e998de0f91cf9992282cb16dcf11ca8a32c64b249839f9680b6a0a95b848c2f57fb4b1d5d80f300007656edd8ad95c7afe4980

Malware Config

Extracted

Family

redline

Botnet

AwsR

C2

siyatermi.duckdns.org:17044

Extracted

Family

quasar

Version

2.1.0.0

Botnet

V/R/B

C2

siyatermi.duckdns.org:1518

Mutex

VNM_MUTEX_mJ6pCWZMe3OMOha5bj

Attributes
  • encryption_key

    g1Bi32PXFGwyBI9DJGTD

  • install_name

    Start Process.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Browser Module

  • subdirectory

    Sys Resources

Signatures

  • Contains code to disable Windows Defender 9 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs
  • Quasar Payload 9 IoCs
  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • RedLine

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

  • RedLine Payload 4 IoCs
  • VenomRAT

    VenomRAT is a modified version of QuasarRAT with some added features, such as rootkit and stealer capabilites.

  • suricata: ET MALWARE Common RAT Connectivity Check Observed

    suricata: ET MALWARE Common RAT Connectivity Check Observed

  • Executes dropped EXE 5 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 4 IoCs
  • 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 2 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 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 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exe
    "C:\Users\Admin\AppData\Local\Temp\9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1936
    • C:\Users\Admin\AppData\Roaming\Software Check.exe
      "C:\Users\Admin\AppData\Roaming\Software Check.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1124
    • C:\Users\Admin\AppData\Local\Temp\Steam Accounts Checker v0.4 By X-SLAYER.exe
      "C:\Users\Admin\AppData\Local\Temp\Steam Accounts Checker v0.4 By X-SLAYER.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1276
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 1276 -s 616
        3⤵
        • Program crash
        PID:604
    • C:\Users\Admin\AppData\Roaming\Start Process.exe
      "C:\Users\Admin\AppData\Roaming\Start Process.exe"
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1748
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks" /create /tn "Browser Module" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Start Process.exe" /rl HIGHEST /f
        3⤵
        • Creates scheduled task(s)
        PID:852
      • C:\Users\Admin\AppData\Roaming\Sys Resources\Start Process.exe
        "C:\Users\Admin\AppData\Roaming\Sys Resources\Start Process.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1080
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks" /create /tn "Browser Module" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Sys Resources\Start Process.exe" /rl HIGHEST /f
          4⤵
          • Creates scheduled task(s)
          PID:1472
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Get-MpPreference -verbose
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1776
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k start /b del /q/f/s %TEMP%\* & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1072
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /K del /q/f/s C:\Users\Admin\AppData\Local\Temp\*
          4⤵
          • Deletes itself
          PID:1716
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\agZFDUxrxjtY.bat" "
        3⤵
          PID:1592
          • C:\Windows\SysWOW64\chcp.com
            chcp 65001
            4⤵
              PID:956
            • C:\Windows\SysWOW64\PING.EXE
              ping -n 10 localhost
              4⤵
              • Runs ping.exe
              PID:580
            • C:\Users\Admin\AppData\Roaming\Start Process.exe
              "C:\Users\Admin\AppData\Roaming\Start Process.exe"
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:1232

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\Steam Accounts Checker v0.4 By X-SLAYER.exe

        Filesize

        899KB

        MD5

        5b74993c433cb811c591a1b2a8155b31

        SHA1

        b06deafe52ed08047025a5d8aa375545bf7e4078

        SHA256

        cef89a16a209e852dc11074589a8680d6cd59812cad1c3e2e42cba75e5109d21

        SHA512

        5ffc5c64a85498e7dd3866131a37fdff816ae1fc0806b666799fef70d6aa16da8bd82a95045a7b1d514de49a01d580813324af971e1379aa6d2946589a9d5ea4

      • C:\Users\Admin\AppData\Local\Temp\Steam Accounts Checker v0.4 By X-SLAYER.exe

        Filesize

        899KB

        MD5

        5b74993c433cb811c591a1b2a8155b31

        SHA1

        b06deafe52ed08047025a5d8aa375545bf7e4078

        SHA256

        cef89a16a209e852dc11074589a8680d6cd59812cad1c3e2e42cba75e5109d21

        SHA512

        5ffc5c64a85498e7dd3866131a37fdff816ae1fc0806b666799fef70d6aa16da8bd82a95045a7b1d514de49a01d580813324af971e1379aa6d2946589a9d5ea4

      • C:\Users\Admin\AppData\Roaming\Software Check.exe

        Filesize

        95KB

        MD5

        27c2436f6a1c111bef78597d37751138

        SHA1

        f1dabacffc82bbfc7d8db578f0a5653d7fe84bca

        SHA256

        bcac81c69094ea47c3a00cae028ac4c64dd6cbd4fe85e11363e3e35b48c04842

        SHA512

        97e717b9ad5b063e4ff1209684b27d033c5a4a8d9679e3d42d7308fbac1c885a1d3c85d3fed70b7a9adc82203d0e943777d7819456599276c61549186e319636

      • C:\Users\Admin\AppData\Roaming\Software Check.exe

        Filesize

        95KB

        MD5

        27c2436f6a1c111bef78597d37751138

        SHA1

        f1dabacffc82bbfc7d8db578f0a5653d7fe84bca

        SHA256

        bcac81c69094ea47c3a00cae028ac4c64dd6cbd4fe85e11363e3e35b48c04842

        SHA512

        97e717b9ad5b063e4ff1209684b27d033c5a4a8d9679e3d42d7308fbac1c885a1d3c85d3fed70b7a9adc82203d0e943777d7819456599276c61549186e319636

      • C:\Users\Admin\AppData\Roaming\Start Process.exe

        Filesize

        535KB

        MD5

        4d97786ab8047ad6c08532ed7a017573

        SHA1

        a64d07233d813f9a085722295dca62ca726e291a

        SHA256

        5a72c2a12e0e42313c5d01277d3b26f52810a9753e31883f5f3e7a73a0021870

        SHA512

        9224f6c0af0bb3aa6804e09b36617d2ecf762caf81ec0f2627553788f7045d09878b41ddb63a1d0779973cba52d2f1d59f69bc6c826ad8bb0d807444abab87d2

      • C:\Users\Admin\AppData\Roaming\Start Process.exe

        Filesize

        535KB

        MD5

        4d97786ab8047ad6c08532ed7a017573

        SHA1

        a64d07233d813f9a085722295dca62ca726e291a

        SHA256

        5a72c2a12e0e42313c5d01277d3b26f52810a9753e31883f5f3e7a73a0021870

        SHA512

        9224f6c0af0bb3aa6804e09b36617d2ecf762caf81ec0f2627553788f7045d09878b41ddb63a1d0779973cba52d2f1d59f69bc6c826ad8bb0d807444abab87d2

      • C:\Users\Admin\AppData\Roaming\Start Process.exe

        Filesize

        535KB

        MD5

        4d97786ab8047ad6c08532ed7a017573

        SHA1

        a64d07233d813f9a085722295dca62ca726e291a

        SHA256

        5a72c2a12e0e42313c5d01277d3b26f52810a9753e31883f5f3e7a73a0021870

        SHA512

        9224f6c0af0bb3aa6804e09b36617d2ecf762caf81ec0f2627553788f7045d09878b41ddb63a1d0779973cba52d2f1d59f69bc6c826ad8bb0d807444abab87d2

      • C:\Users\Admin\AppData\Roaming\Sys Resources\Start Process.exe

        Filesize

        535KB

        MD5

        4d97786ab8047ad6c08532ed7a017573

        SHA1

        a64d07233d813f9a085722295dca62ca726e291a

        SHA256

        5a72c2a12e0e42313c5d01277d3b26f52810a9753e31883f5f3e7a73a0021870

        SHA512

        9224f6c0af0bb3aa6804e09b36617d2ecf762caf81ec0f2627553788f7045d09878b41ddb63a1d0779973cba52d2f1d59f69bc6c826ad8bb0d807444abab87d2

      • C:\Users\Admin\AppData\Roaming\Sys Resources\Start Process.exe

        Filesize

        535KB

        MD5

        4d97786ab8047ad6c08532ed7a017573

        SHA1

        a64d07233d813f9a085722295dca62ca726e291a

        SHA256

        5a72c2a12e0e42313c5d01277d3b26f52810a9753e31883f5f3e7a73a0021870

        SHA512

        9224f6c0af0bb3aa6804e09b36617d2ecf762caf81ec0f2627553788f7045d09878b41ddb63a1d0779973cba52d2f1d59f69bc6c826ad8bb0d807444abab87d2

      • \Users\Admin\AppData\Local\Temp\Steam Accounts Checker v0.4 By X-SLAYER.exe

        Filesize

        899KB

        MD5

        5b74993c433cb811c591a1b2a8155b31

        SHA1

        b06deafe52ed08047025a5d8aa375545bf7e4078

        SHA256

        cef89a16a209e852dc11074589a8680d6cd59812cad1c3e2e42cba75e5109d21

        SHA512

        5ffc5c64a85498e7dd3866131a37fdff816ae1fc0806b666799fef70d6aa16da8bd82a95045a7b1d514de49a01d580813324af971e1379aa6d2946589a9d5ea4

      • \Users\Admin\AppData\Roaming\Software Check.exe

        Filesize

        95KB

        MD5

        27c2436f6a1c111bef78597d37751138

        SHA1

        f1dabacffc82bbfc7d8db578f0a5653d7fe84bca

        SHA256

        bcac81c69094ea47c3a00cae028ac4c64dd6cbd4fe85e11363e3e35b48c04842

        SHA512

        97e717b9ad5b063e4ff1209684b27d033c5a4a8d9679e3d42d7308fbac1c885a1d3c85d3fed70b7a9adc82203d0e943777d7819456599276c61549186e319636

      • \Users\Admin\AppData\Roaming\Start Process.exe

        Filesize

        535KB

        MD5

        4d97786ab8047ad6c08532ed7a017573

        SHA1

        a64d07233d813f9a085722295dca62ca726e291a

        SHA256

        5a72c2a12e0e42313c5d01277d3b26f52810a9753e31883f5f3e7a73a0021870

        SHA512

        9224f6c0af0bb3aa6804e09b36617d2ecf762caf81ec0f2627553788f7045d09878b41ddb63a1d0779973cba52d2f1d59f69bc6c826ad8bb0d807444abab87d2

      • \Users\Admin\AppData\Roaming\Sys Resources\Start Process.exe

        Filesize

        535KB

        MD5

        4d97786ab8047ad6c08532ed7a017573

        SHA1

        a64d07233d813f9a085722295dca62ca726e291a

        SHA256

        5a72c2a12e0e42313c5d01277d3b26f52810a9753e31883f5f3e7a73a0021870

        SHA512

        9224f6c0af0bb3aa6804e09b36617d2ecf762caf81ec0f2627553788f7045d09878b41ddb63a1d0779973cba52d2f1d59f69bc6c826ad8bb0d807444abab87d2

      • memory/604-89-0x0000000000000000-mapping.dmp

      • memory/852-92-0x0000000000000000-mapping.dmp

      • memory/1072-157-0x0000000000000000-mapping.dmp

      • memory/1080-120-0x0000000070F00000-0x000000007228F000-memory.dmp

        Filesize

        19.6MB

      • memory/1080-131-0x0000000073A40000-0x0000000073A60000-memory.dmp

        Filesize

        128KB

      • memory/1080-126-0x0000000072C40000-0x0000000072D63000-memory.dmp

        Filesize

        1.1MB

      • memory/1080-133-0x000000006E790000-0x000000006EECE000-memory.dmp

        Filesize

        7.2MB

      • memory/1080-97-0x0000000000000000-mapping.dmp

      • memory/1080-132-0x0000000072D70000-0x0000000072E6C000-memory.dmp

        Filesize

        1008KB

      • memory/1080-125-0x0000000072F40000-0x0000000073720000-memory.dmp

        Filesize

        7.9MB

      • memory/1080-100-0x0000000000CE0000-0x0000000000D6C000-memory.dmp

        Filesize

        560KB

      • memory/1080-108-0x0000000073F70000-0x0000000074980000-memory.dmp

        Filesize

        10.1MB

      • memory/1080-110-0x000000006EED0000-0x000000006FBED000-memory.dmp

        Filesize

        13.1MB

      • memory/1080-109-0x0000000073DD0000-0x0000000073F64000-memory.dmp

        Filesize

        1.6MB

      • memory/1124-111-0x0000000073F70000-0x0000000074980000-memory.dmp

        Filesize

        10.1MB

      • memory/1124-83-0x0000000072F40000-0x0000000073720000-memory.dmp

        Filesize

        7.9MB

      • memory/1124-107-0x000000006E5A0000-0x000000006E624000-memory.dmp

        Filesize

        528KB

      • memory/1124-112-0x0000000073B10000-0x0000000073DCB000-memory.dmp

        Filesize

        2.7MB

      • memory/1124-87-0x000000006FBF0000-0x0000000070EFF000-memory.dmp

        Filesize

        19.1MB

      • memory/1124-76-0x0000000070F00000-0x000000007228F000-memory.dmp

        Filesize

        19.6MB

      • memory/1124-113-0x0000000073A40000-0x0000000073A60000-memory.dmp

        Filesize

        128KB

      • memory/1124-114-0x0000000072E70000-0x0000000072F39000-memory.dmp

        Filesize

        804KB

      • memory/1124-91-0x000000006E790000-0x000000006EECE000-memory.dmp

        Filesize

        7.2MB

      • memory/1124-73-0x0000000001090000-0x00000000010AE000-memory.dmp

        Filesize

        120KB

      • memory/1124-58-0x0000000000000000-mapping.dmp

      • memory/1124-94-0x0000000072D70000-0x0000000072E6C000-memory.dmp

        Filesize

        1008KB

      • memory/1276-77-0x0000000000F40000-0x000000000102A000-memory.dmp

        Filesize

        936KB

      • memory/1276-81-0x000000001B490000-0x000000001B60C000-memory.dmp

        Filesize

        1.5MB

      • memory/1276-93-0x000007FEF29E0000-0x000007FEF2BF8000-memory.dmp

        Filesize

        2.1MB

      • memory/1276-90-0x000007FEF2C00000-0x000007FEF3650000-memory.dmp

        Filesize

        10.3MB

      • memory/1276-88-0x000007FEF3650000-0x000007FEF428F000-memory.dmp

        Filesize

        12.2MB

      • memory/1276-62-0x0000000000000000-mapping.dmp

      • memory/1276-72-0x0000000000F40000-0x000000000102A000-memory.dmp

        Filesize

        936KB

      • memory/1276-104-0x000007FEEE050000-0x000007FEEEF9D000-memory.dmp

        Filesize

        15.3MB

      • memory/1276-115-0x000007FEF27F0000-0x000007FEF29D8000-memory.dmp

        Filesize

        1.9MB

      • memory/1276-78-0x0000000000140000-0x0000000000146000-memory.dmp

        Filesize

        24KB

      • memory/1276-79-0x000007FEF4290000-0x000007FEF5818000-memory.dmp

        Filesize

        21.5MB

      • memory/1472-122-0x0000000000000000-mapping.dmp

      • memory/1592-183-0x0000000000000000-mapping.dmp

      • memory/1716-158-0x0000000000000000-mapping.dmp

      • memory/1748-105-0x0000000072D70000-0x0000000072E6C000-memory.dmp

        Filesize

        1008KB

      • memory/1748-106-0x000000006E790000-0x000000006EECE000-memory.dmp

        Filesize

        7.2MB

      • memory/1748-75-0x0000000070F00000-0x000000007228F000-memory.dmp

        Filesize

        19.6MB

      • memory/1748-74-0x0000000000EB0000-0x0000000000F3C000-memory.dmp

        Filesize

        560KB

      • memory/1748-82-0x0000000073F70000-0x0000000074980000-memory.dmp

        Filesize

        10.1MB

      • memory/1748-116-0x0000000072C40000-0x0000000072D63000-memory.dmp

        Filesize

        1.1MB

      • memory/1748-117-0x0000000073B10000-0x0000000073DCB000-memory.dmp

        Filesize

        2.7MB

      • memory/1748-118-0x0000000073A40000-0x0000000073A60000-memory.dmp

        Filesize

        128KB

      • memory/1748-119-0x0000000072E70000-0x0000000072F39000-memory.dmp

        Filesize

        804KB

      • memory/1748-84-0x0000000073DD0000-0x0000000073F64000-memory.dmp

        Filesize

        1.6MB

      • memory/1748-86-0x000000006EED0000-0x000000006FBED000-memory.dmp

        Filesize

        13.1MB

      • memory/1748-95-0x0000000072F40000-0x0000000073720000-memory.dmp

        Filesize

        7.9MB

      • memory/1748-66-0x0000000000000000-mapping.dmp

      • memory/1776-127-0x000000006B910000-0x000000006C18A000-memory.dmp

        Filesize

        8.5MB

      • memory/1776-135-0x000000006DD80000-0x000000006DDAD000-memory.dmp

        Filesize

        180KB

      • memory/1776-102-0x0000000000000000-mapping.dmp

      • memory/1776-124-0x000000006E140000-0x000000006E1C1000-memory.dmp

        Filesize

        516KB

      • memory/1776-128-0x000000006DDB0000-0x000000006DFE5000-memory.dmp

        Filesize

        2.2MB

      • memory/1776-129-0x000000006E0A0000-0x000000006E0EB000-memory.dmp

        Filesize

        300KB

      • memory/1776-130-0x000000006E070000-0x000000006E095000-memory.dmp

        Filesize

        148KB

      • memory/1776-142-0x000000006CC20000-0x000000006D718000-memory.dmp

        Filesize

        11.0MB

      • memory/1776-123-0x000000006C480000-0x000000006CC1C000-memory.dmp

        Filesize

        7.6MB

      • memory/1776-121-0x000000006CC20000-0x000000006D718000-memory.dmp

        Filesize

        11.0MB

      • memory/1776-134-0x000000006B7E0000-0x000000006B87C000-memory.dmp

        Filesize

        624KB

      • memory/1776-141-0x000000006B570000-0x000000006B633000-memory.dmp

        Filesize

        780KB

      • memory/1776-136-0x000000006AF20000-0x000000006B024000-memory.dmp

        Filesize

        1.0MB

      • memory/1776-137-0x000000006AE00000-0x000000006AF14000-memory.dmp

        Filesize

        1.1MB

      • memory/1776-138-0x000000006D720000-0x000000006DCCB000-memory.dmp

        Filesize

        5.7MB

      • memory/1776-139-0x000000006B880000-0x000000006B905000-memory.dmp

        Filesize

        532KB

      • memory/1776-140-0x000000006B640000-0x000000006B7DE000-memory.dmp

        Filesize

        1.6MB

      • memory/1936-71-0x0000000073BB0000-0x000000007434C000-memory.dmp

        Filesize

        7.6MB

      • memory/1936-69-0x00000000744E0000-0x0000000074A8B000-memory.dmp

        Filesize

        5.7MB

      • memory/1936-56-0x0000000072C20000-0x0000000073718000-memory.dmp

        Filesize

        11.0MB

      • memory/1936-70-0x0000000072C20000-0x0000000073718000-memory.dmp

        Filesize

        11.0MB

      • memory/1936-54-0x0000000074DD1000-0x0000000074DD3000-memory.dmp

        Filesize

        8KB

      • memory/1936-55-0x00000000744E0000-0x0000000074A8B000-memory.dmp

        Filesize

        5.7MB