Analysis

  • max time kernel
    596s
  • max time network
    600s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    10-06-2024 15:28

General

  • Target

    uni/Uni - Copy (13) - Copy - Copy - Copy.exe

  • Size

    409KB

  • MD5

    b70fdac25a99501e3cae11f1b775249e

  • SHA1

    3c59226479bfdcd1b2927bcfb1a7516d4cb8dd71

  • SHA256

    51ff3eb450a786c1aaa75ff889f2fd256412a7b75d04277fdf9fcccc20e57246

  • SHA512

    43f0d5d6e5f0d5febba537c109ffdbc250bbb6e9725e635a43ec975b0353048eaeee50b6e9274cd5e072ea6b0cea32439bd37408b2528832f467f2075f74ca44

  • SSDEEP

    12288:gpbJjGut6AoE3hVVdFaC/eZPTMTDlpgfJCKuMsVs:oVaurMLcDlpRKai

Malware Config

Extracted

Family

quasar

Version

3.1.5

Botnet

SeroXen

C2

panel-slave.gl.at.ply.gg:57059

panel-slave.gl.at.ply.gg:27892

Mutex

$Sxr-rpL8EItHN3pqIQQVy2

Attributes
  • encryption_key

    Lme7VBS3l58VwLM69PNM

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    SeroXen

  • subdirectory

    SubDir

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 5 IoCs
  • Executes dropped EXE 9 IoCs
  • Loads dropped DLL 9 IoCs
  • Looks up external IP address via web service 19 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).

  • Creates scheduled task(s) 1 TTPs 10 IoCs

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

  • Runs ping.exe 1 TTPs 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (13) - Copy - Copy - Copy.exe
    "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (13) - Copy - Copy - Copy.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (13) - Copy - Copy - Copy.exe" /rl HIGHEST /f
      2⤵
      • Creates scheduled task(s)
      PID:2520
    • C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
      "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2516
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
        3⤵
        • Creates scheduled task(s)
        PID:1248
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\zUB7QI5be8YJ.bat" "
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2952
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
            PID:1996
          • C:\Windows\SysWOW64\PING.EXE
            ping -n 10 localhost
            4⤵
            • Runs ping.exe
            PID:1932
          • C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
            "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1880
            • C:\Windows\SysWOW64\schtasks.exe
              "schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
              5⤵
              • Creates scheduled task(s)
              PID:2664
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c ""C:\Users\Admin\AppData\Local\Temp\SKJ68JFu78EQ.bat" "
              5⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:804
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                6⤵
                  PID:608
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  6⤵
                  • Runs ping.exe
                  PID:1604
                • C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
                  6⤵
                  • Executes dropped EXE
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of WriteProcessMemory
                  PID:564
                  • C:\Windows\SysWOW64\schtasks.exe
                    "schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
                    7⤵
                    • Creates scheduled task(s)
                    PID:908
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd /c ""C:\Users\Admin\AppData\Local\Temp\Bpz2UpFcXPIE.bat" "
                    7⤵
                    • Loads dropped DLL
                    PID:2604
                    • C:\Windows\SysWOW64\chcp.com
                      chcp 65001
                      8⤵
                        PID:2476
                      • C:\Windows\SysWOW64\PING.EXE
                        ping -n 10 localhost
                        8⤵
                        • Runs ping.exe
                        PID:2464
                      • C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
                        "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
                        8⤵
                        • Executes dropped EXE
                        • Suspicious use of AdjustPrivilegeToken
                        PID:2288
                        • C:\Windows\SysWOW64\schtasks.exe
                          "schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
                          9⤵
                          • Creates scheduled task(s)
                          PID:2900
                        • C:\Windows\SysWOW64\cmd.exe
                          cmd /c ""C:\Users\Admin\AppData\Local\Temp\LXpvdGCk8MkL.bat" "
                          9⤵
                          • Loads dropped DLL
                          PID:2152
                          • C:\Windows\SysWOW64\chcp.com
                            chcp 65001
                            10⤵
                              PID:2692
                            • C:\Windows\SysWOW64\PING.EXE
                              ping -n 10 localhost
                              10⤵
                              • Runs ping.exe
                              PID:2020
                            • C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
                              "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
                              10⤵
                              • Executes dropped EXE
                              • Suspicious use of AdjustPrivilegeToken
                              PID:2996
                              • C:\Windows\SysWOW64\schtasks.exe
                                "schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
                                11⤵
                                • Creates scheduled task(s)
                                PID:1660
                              • C:\Windows\SysWOW64\cmd.exe
                                cmd /c ""C:\Users\Admin\AppData\Local\Temp\lM9BYXCj5XiY.bat" "
                                11⤵
                                • Loads dropped DLL
                                PID:2916
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 65001
                                  12⤵
                                    PID:2664
                                  • C:\Windows\SysWOW64\PING.EXE
                                    ping -n 10 localhost
                                    12⤵
                                    • Runs ping.exe
                                    PID:2924
                                  • C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
                                    "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
                                    12⤵
                                    • Executes dropped EXE
                                    • Suspicious use of AdjustPrivilegeToken
                                    PID:348
                                    • C:\Windows\SysWOW64\schtasks.exe
                                      "schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
                                      13⤵
                                      • Creates scheduled task(s)
                                      PID:2244
                                    • C:\Windows\SysWOW64\cmd.exe
                                      cmd /c ""C:\Users\Admin\AppData\Local\Temp\BBSQToCj1ihl.bat" "
                                      13⤵
                                      • Loads dropped DLL
                                      PID:3032
                                      • C:\Windows\SysWOW64\chcp.com
                                        chcp 65001
                                        14⤵
                                          PID:2176
                                        • C:\Windows\SysWOW64\PING.EXE
                                          ping -n 10 localhost
                                          14⤵
                                          • Runs ping.exe
                                          PID:2652
                                        • C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
                                          "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
                                          14⤵
                                          • Executes dropped EXE
                                          • Suspicious use of AdjustPrivilegeToken
                                          PID:2684
                                          • C:\Windows\SysWOW64\schtasks.exe
                                            "schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
                                            15⤵
                                            • Creates scheduled task(s)
                                            PID:2720
                                          • C:\Windows\SysWOW64\cmd.exe
                                            cmd /c ""C:\Users\Admin\AppData\Local\Temp\zC6uOGypelLO.bat" "
                                            15⤵
                                            • Loads dropped DLL
                                            PID:1988
                                            • C:\Windows\SysWOW64\chcp.com
                                              chcp 65001
                                              16⤵
                                                PID:3008
                                              • C:\Windows\SysWOW64\PING.EXE
                                                ping -n 10 localhost
                                                16⤵
                                                • Runs ping.exe
                                                PID:2880
                                              • C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
                                                "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
                                                16⤵
                                                • Executes dropped EXE
                                                • Suspicious use of AdjustPrivilegeToken
                                                PID:2044
                                                • C:\Windows\SysWOW64\schtasks.exe
                                                  "schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
                                                  17⤵
                                                  • Creates scheduled task(s)
                                                  PID:2420
                                                • C:\Windows\SysWOW64\cmd.exe
                                                  cmd /c ""C:\Users\Admin\AppData\Local\Temp\P1QAJXypaxKb.bat" "
                                                  17⤵
                                                  • Loads dropped DLL
                                                  PID:920
                                                  • C:\Windows\SysWOW64\chcp.com
                                                    chcp 65001
                                                    18⤵
                                                      PID:1660
                                                    • C:\Windows\SysWOW64\PING.EXE
                                                      ping -n 10 localhost
                                                      18⤵
                                                      • Runs ping.exe
                                                      PID:2656
                                                    • C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
                                                      "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
                                                      18⤵
                                                      • Executes dropped EXE
                                                      • Suspicious use of AdjustPrivilegeToken
                                                      PID:1692
                    • C:\Windows\SysWOW64\SCHTASKS.exe
                      "SCHTASKS.exe" /create /tn "$77Uni - Copy (13) - Copy - Copy - Copy.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (13) - Copy - Copy - Copy.exe'" /sc onlogon /rl HIGHEST
                      2⤵
                      • Creates scheduled task(s)
                      PID:1772

                  Network

                  MITRE ATT&CK Matrix ATT&CK v13

                  Execution

                  Scheduled Task/Job

                  1
                  T1053

                  Persistence

                  Scheduled Task/Job

                  1
                  T1053

                  Privilege Escalation

                  Scheduled Task/Job

                  1
                  T1053

                  Discovery

                  System Information Discovery

                  1
                  T1082

                  Remote System Discovery

                  1
                  T1018

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • C:\Users\Admin\AppData\Local\Temp\BBSQToCj1ihl.bat
                    Filesize

                    207B

                    MD5

                    7cc5331921a047a169fa988da58fa95e

                    SHA1

                    2b16f982de5717c4876f2cc2fa81186596ca8fa6

                    SHA256

                    dab2bbcbb9b23064c1fb6b7818e2a0ea37be2de64555fb0ba057670f258a9715

                    SHA512

                    03ff5331bf8f7542cb130b8028bbc454d7de28d43963bc56cb01a8b812236219c6b483e87e9ab2d999e4dd5ba4aaa8c67aeca591fe9529d5d900aab90de12b8a

                  • C:\Users\Admin\AppData\Local\Temp\Bpz2UpFcXPIE.bat
                    Filesize

                    207B

                    MD5

                    9866638cfa95911f6a88b03505b562a3

                    SHA1

                    9cc30fb85a733d6d7913cccd404f4151543e43fd

                    SHA256

                    e87c49c95c603a4f02f58edaff13755564cb6603bbef7444b1fd64d36e2dbc7d

                    SHA512

                    5efb933f6de767c599f5634b9db16367cec04d1ed84b9744c90c03ee06c6067144741d06008a19859147059ea9e6150e19583fcf95d9eca052913639fd3f37a6

                  • C:\Users\Admin\AppData\Local\Temp\LXpvdGCk8MkL.bat
                    Filesize

                    207B

                    MD5

                    aee5b8a35277c40f3657b7f0bdcb37a7

                    SHA1

                    25058749b626e730f156651062bf287a9deaf7b1

                    SHA256

                    940a8e865b3875c1f40a748b97c6863dc5eed7978aa7f4ad889ac556722408c5

                    SHA512

                    0ca74ca2c1897d35a0d54869e77790e91471ff15111e227a7c678f917ad221ddd51a800364fd1ba4517a7819ec65267ec24a099280010b6aa9f6a99e1a365109

                  • C:\Users\Admin\AppData\Local\Temp\P1QAJXypaxKb.bat
                    Filesize

                    207B

                    MD5

                    8f16e4399b81ed069d00ec55a6ce45f1

                    SHA1

                    280c40bdd5a9c14518799393149219a39e35bb90

                    SHA256

                    ebdd14f509bdea51476596fefb47d9bf1678bb3f5badde3a88a3997a91837c20

                    SHA512

                    cfe63b185b25a2e511157b022f7f24d7e58700cb19add7c006b6fccbe22ceadde7365d7a8e0f25a7436c566fed589e01ac6b3b87f1b73bd85897f7e84fed7fd6

                  • C:\Users\Admin\AppData\Local\Temp\SKJ68JFu78EQ.bat
                    Filesize

                    207B

                    MD5

                    4ca66fa51686a61b27302e1366161451

                    SHA1

                    169d1dc3a0211151715acb68fe9f8ca227ad22ea

                    SHA256

                    8166e37e5a1a499e523f416dbf89adb93613794ac0e077537d3c38a2fab40252

                    SHA512

                    4383042025f22e20036548ad813cffdc6615085e1dbb672fe731d2c5b633555b9421a8c644a5ca3662289a5281d414feb3f969684592ac754e533aa29d9c82ea

                  • C:\Users\Admin\AppData\Local\Temp\lM9BYXCj5XiY.bat
                    Filesize

                    207B

                    MD5

                    a7bd0c2593f010815ddc546bc79a17af

                    SHA1

                    63a9cb11429dd528ac21afe3f6676fba8c8266ec

                    SHA256

                    c2d85cfb57a8dafe1370a6b880468375166843eaeb392d8f367e9e5414744e32

                    SHA512

                    04ded3651ea73fde2c477f13a9ca5dfc41753896197e8830823de587d2fa8711b1aaa67952fdd4e2d78e9725b9274551c6ef40122ac5e74dd60cd14626201325

                  • C:\Users\Admin\AppData\Local\Temp\zC6uOGypelLO.bat
                    Filesize

                    207B

                    MD5

                    312acc68010cfaf6f4493716eeeb55d8

                    SHA1

                    a6fbb0b3d096ee3a142fa3f05a977ca5898c4d8d

                    SHA256

                    722f315b808d1fa78e7e4cbd0ef021aee674a34bc14162951ec42459a9f618e5

                    SHA512

                    09e2c3b70d1bb1647420baa3e03fcbf36495198e614d058e5483f9c5a7faf1249812bb0bf52ec119db7562a9395b6862c69f08ab6822953fbcd5c193cb01c70e

                  • C:\Users\Admin\AppData\Local\Temp\zUB7QI5be8YJ.bat
                    Filesize

                    207B

                    MD5

                    8b7917683467a7174e955f387f1f4a35

                    SHA1

                    568d6a36b0ce64a7eda4662960e0ef1ddfbd01a3

                    SHA256

                    983eddba535e000a87565d48ba526a5683d59ef0644df306e886762117322bb9

                    SHA512

                    48be55d8c78494e2dc377ad02c135a01c5d97c95ff676337d2fcaf06c6472016b9a0a512cd8c562208dcb823dcf2e42e7822f005e761ba79b4c88b35720971f1

                  • \Users\Admin\AppData\Roaming\SubDir\Client.exe
                    Filesize

                    409KB

                    MD5

                    b70fdac25a99501e3cae11f1b775249e

                    SHA1

                    3c59226479bfdcd1b2927bcfb1a7516d4cb8dd71

                    SHA256

                    51ff3eb450a786c1aaa75ff889f2fd256412a7b75d04277fdf9fcccc20e57246

                    SHA512

                    43f0d5d6e5f0d5febba537c109ffdbc250bbb6e9725e635a43ec975b0353048eaeee50b6e9274cd5e072ea6b0cea32439bd37408b2528832f467f2075f74ca44

                  • memory/564-41-0x0000000001090000-0x00000000010FC000-memory.dmp
                    Filesize

                    432KB

                  • memory/1880-29-0x0000000001090000-0x00000000010FC000-memory.dmp
                    Filesize

                    432KB

                  • memory/2264-15-0x0000000074140000-0x000000007482E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2264-0-0x000000007414E000-0x000000007414F000-memory.dmp
                    Filesize

                    4KB

                  • memory/2264-4-0x0000000074140000-0x000000007482E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2264-3-0x000000007414E000-0x000000007414F000-memory.dmp
                    Filesize

                    4KB

                  • memory/2264-2-0x0000000074140000-0x000000007482E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2264-1-0x0000000000E80000-0x0000000000EEC000-memory.dmp
                    Filesize

                    432KB

                  • memory/2516-16-0x0000000074140000-0x000000007482E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2516-25-0x0000000074140000-0x000000007482E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2516-12-0x0000000001090000-0x00000000010FC000-memory.dmp
                    Filesize

                    432KB

                  • memory/2516-14-0x0000000074140000-0x000000007482E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2516-13-0x0000000074140000-0x000000007482E000-memory.dmp
                    Filesize

                    6.9MB