Analysis

  • max time kernel
    71s
  • max time network
    137s
  • 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
  • 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.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • 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 55 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:1672
    • 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:1028
    • 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:1240
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 1240 -s 612
        3⤵
        • Program crash
        PID:1800
    • 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
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1932
      • 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:1772
      • C:\Users\Admin\AppData\Roaming\Sys Resources\Start Process.exe
        "C:\Users\Admin\AppData\Roaming\Sys Resources\Start Process.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1276
        • 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:624
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Get-MpPreference -verbose
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:748
      • 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:904
        • 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:1044
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\Q0Gl2nYlonQh.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1788
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
            PID:1252
          • C:\Windows\SysWOW64\PING.EXE
            ping -n 10 localhost
            4⤵
            • Runs ping.exe
            PID:1280
          • 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:1228

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\Q0Gl2nYlonQh.bat

      Filesize

      207B

      MD5

      c64147408e77d1649b4d701dc4d6676b

      SHA1

      5b7b3fc430eb6064523f019663a0e1a21384ad10

      SHA256

      f05e8a96d2965d0bd92e578ed66409f859c2135add12eefc19751782d212b6b7

      SHA512

      40ee63a84be2e6d469689ef908f02dab1ed4667e06af7297bf62fb3cca35b5bc6eeb16482dad97f965752bbd1b79a49ba189410034e0fabab207042c9316225e

    • 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/624-96-0x0000000000000000-mapping.dmp

    • memory/748-125-0x000000006B110000-0x000000006B214000-memory.dmp

      Filesize

      1.0MB

    • memory/748-121-0x0000000072EE0000-0x0000000072F7C000-memory.dmp

      Filesize

      624KB

    • memory/748-126-0x000000006AFF0000-0x000000006B104000-memory.dmp

      Filesize

      1.1MB

    • memory/748-124-0x000000006B220000-0x000000006B756000-memory.dmp

      Filesize

      5.2MB

    • memory/748-122-0x0000000072E10000-0x0000000072ED3000-memory.dmp

      Filesize

      780KB

    • memory/748-112-0x000000006A990000-0x000000006AFE1000-memory.dmp

      Filesize

      6.3MB

    • memory/748-114-0x000000006C180000-0x000000006CC78000-memory.dmp

      Filesize

      11.0MB

    • memory/748-92-0x0000000000000000-mapping.dmp

    • memory/748-123-0x0000000074860000-0x000000007488D000-memory.dmp

      Filesize

      180KB

    • memory/748-115-0x0000000073300000-0x0000000073A9C000-memory.dmp

      Filesize

      7.6MB

    • memory/748-120-0x0000000072F80000-0x0000000073005000-memory.dmp

      Filesize

      532KB

    • memory/748-119-0x0000000074910000-0x000000007495B000-memory.dmp

      Filesize

      300KB

    • memory/748-118-0x00000000744F0000-0x0000000074725000-memory.dmp

      Filesize

      2.2MB

    • memory/748-117-0x000000006B900000-0x000000006C17A000-memory.dmp

      Filesize

      8.5MB

    • memory/748-107-0x00000000748E0000-0x0000000074905000-memory.dmp

      Filesize

      148KB

    • memory/748-116-0x0000000074960000-0x00000000749E1000-memory.dmp

      Filesize

      516KB

    • memory/748-108-0x000000006B760000-0x000000006B8FE000-memory.dmp

      Filesize

      1.6MB

    • memory/748-113-0x0000000073E90000-0x000000007443B000-memory.dmp

      Filesize

      5.7MB

    • memory/904-144-0x0000000000000000-mapping.dmp

    • memory/1028-68-0x0000000000240000-0x000000000025E000-memory.dmp

      Filesize

      120KB

    • memory/1028-101-0x000000006D370000-0x000000006D439000-memory.dmp

      Filesize

      804KB

    • memory/1028-56-0x0000000000000000-mapping.dmp

    • memory/1028-95-0x000000006F150000-0x000000006F930000-memory.dmp

      Filesize

      7.9MB

    • memory/1028-97-0x000000006DE40000-0x000000006F14F000-memory.dmp

      Filesize

      19.1MB

    • memory/1028-73-0x0000000071280000-0x000000007260F000-memory.dmp

      Filesize

      19.6MB

    • memory/1028-98-0x000000006DB80000-0x000000006DE3B000-memory.dmp

      Filesize

      2.7MB

    • memory/1028-99-0x0000000073AD0000-0x0000000073AF0000-memory.dmp

      Filesize

      128KB

    • memory/1028-100-0x000000006D440000-0x000000006DB7E000-memory.dmp

      Filesize

      7.2MB

    • memory/1028-91-0x00000000707F0000-0x0000000071200000-memory.dmp

      Filesize

      10.1MB

    • memory/1028-102-0x000000006D270000-0x000000006D36C000-memory.dmp

      Filesize

      1008KB

    • memory/1028-103-0x000000006CD60000-0x000000006CDE4000-memory.dmp

      Filesize

      528KB

    • memory/1028-136-0x0000000074990000-0x00000000749F3000-memory.dmp

      Filesize

      396KB

    • memory/1028-135-0x00000000696F0000-0x000000006987B000-memory.dmp

      Filesize

      1.5MB

    • memory/1028-134-0x000000006F930000-0x000000007064D000-memory.dmp

      Filesize

      13.1MB

    • memory/1028-133-0x0000000070650000-0x00000000707E4000-memory.dmp

      Filesize

      1.6MB

    • memory/1044-145-0x0000000000000000-mapping.dmp

    • memory/1228-177-0x0000000000000000-mapping.dmp

    • memory/1240-75-0x00000000001D0000-0x00000000001D6000-memory.dmp

      Filesize

      24KB

    • memory/1240-111-0x000007FEF2B70000-0x000007FEF2D58000-memory.dmp

      Filesize

      1.9MB

    • memory/1240-110-0x000007FEF2D60000-0x000007FEF2F78000-memory.dmp

      Filesize

      2.1MB

    • memory/1240-109-0x000007FEF2F80000-0x000007FEF39D0000-memory.dmp

      Filesize

      10.3MB

    • memory/1240-59-0x0000000000000000-mapping.dmp

    • memory/1240-127-0x000007FEEEC20000-0x000007FEEFB6D000-memory.dmp

      Filesize

      15.3MB

    • memory/1240-70-0x00000000002E0000-0x00000000003CA000-memory.dmp

      Filesize

      936KB

    • memory/1240-142-0x000007FEF4610000-0x000007FEF5B98000-memory.dmp

      Filesize

      21.5MB

    • memory/1240-82-0x000000001B3D0000-0x000000001B54C000-memory.dmp

      Filesize

      1.5MB

    • memory/1252-171-0x0000000000000000-mapping.dmp

    • memory/1276-140-0x000000006D440000-0x000000006DB7E000-memory.dmp

      Filesize

      7.2MB

    • memory/1276-141-0x000000006D370000-0x000000006D439000-memory.dmp

      Filesize

      804KB

    • memory/1276-139-0x000000006D270000-0x000000006D36C000-memory.dmp

      Filesize

      1008KB

    • memory/1276-132-0x000000006CEB0000-0x000000006CFD3000-memory.dmp

      Filesize

      1.1MB

    • memory/1276-138-0x0000000073AD0000-0x0000000073AF0000-memory.dmp

      Filesize

      128KB

    • memory/1276-86-0x0000000000000000-mapping.dmp

    • memory/1276-137-0x000000006DB80000-0x000000006DE3B000-memory.dmp

      Filesize

      2.7MB

    • memory/1276-90-0x0000000000F40000-0x0000000000FCC000-memory.dmp

      Filesize

      560KB

    • memory/1276-129-0x0000000071280000-0x000000007260F000-memory.dmp

      Filesize

      19.6MB

    • memory/1276-130-0x0000000070650000-0x00000000707E4000-memory.dmp

      Filesize

      1.6MB

    • memory/1276-131-0x000000006F930000-0x000000007064D000-memory.dmp

      Filesize

      13.1MB

    • memory/1280-172-0x0000000000000000-mapping.dmp

    • memory/1672-80-0x0000000073F30000-0x00000000746CC000-memory.dmp

      Filesize

      7.6MB

    • memory/1672-67-0x0000000074860000-0x0000000074E0B000-memory.dmp

      Filesize

      5.7MB

    • memory/1672-74-0x0000000072FA0000-0x0000000073A98000-memory.dmp

      Filesize

      11.0MB

    • memory/1672-78-0x0000000004E80000-0x0000000004F6A000-memory.dmp

      Filesize

      936KB

    • memory/1672-54-0x00000000763C1000-0x00000000763C3000-memory.dmp

      Filesize

      8KB

    • memory/1772-83-0x0000000000000000-mapping.dmp

    • memory/1788-169-0x0000000000000000-mapping.dmp

    • memory/1800-84-0x0000000000000000-mapping.dmp

    • memory/1932-81-0x0000000070650000-0x00000000707E4000-memory.dmp

      Filesize

      1.6MB

    • memory/1932-89-0x000000006F930000-0x000000007064D000-memory.dmp

      Filesize

      13.1MB

    • memory/1932-79-0x0000000071280000-0x000000007260F000-memory.dmp

      Filesize

      19.6MB

    • memory/1932-104-0x0000000073AD0000-0x0000000073AF0000-memory.dmp

      Filesize

      128KB

    • memory/1932-77-0x000000006CEB0000-0x000000006CFD3000-memory.dmp

      Filesize

      1.1MB

    • memory/1932-128-0x000000006D370000-0x000000006D439000-memory.dmp

      Filesize

      804KB

    • memory/1932-76-0x00000000707F0000-0x0000000071200000-memory.dmp

      Filesize

      10.1MB

    • memory/1932-105-0x000000006D270000-0x000000006D36C000-memory.dmp

      Filesize

      1008KB

    • memory/1932-69-0x0000000000190000-0x000000000021C000-memory.dmp

      Filesize

      560KB

    • memory/1932-106-0x000000006D440000-0x000000006DB7E000-memory.dmp

      Filesize

      7.2MB

    • memory/1932-64-0x0000000000000000-mapping.dmp