Analysis

  • max time kernel
    596s
  • max time network
    603s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    10-06-2024 15:28

General

  • Target

    uni/Uni - Copy (12) - 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 11 IoCs
  • Executes dropped EXE 9 IoCs
  • Loads dropped DLL 9 IoCs
  • Looks up external IP address via web service 20 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 (12) - Copy - Copy.exe
    "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (12) - Copy - Copy.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2176
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (12) - Copy - Copy.exe" /rl HIGHEST /f
      2⤵
      • Creates scheduled task(s)
      PID:2304
    • 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:1924
      • 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:1560
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\Tlodm8oD4WFF.bat" "
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:3040
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
            PID:852
          • C:\Windows\SysWOW64\PING.EXE
            ping -n 10 localhost
            4⤵
            • Runs ping.exe
            PID:1716
          • 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:772
            • 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:2440
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c ""C:\Users\Admin\AppData\Local\Temp\t8CTZ4bjcl52.bat" "
              5⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:916
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                6⤵
                  PID:2292
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  6⤵
                  • Runs ping.exe
                  PID:2984
                • 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:572
                  • 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:2604
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd /c ""C:\Users\Admin\AppData\Local\Temp\bdtPvacR129q.bat" "
                    7⤵
                    • Loads dropped DLL
                    PID:2516
                    • C:\Windows\SysWOW64\chcp.com
                      chcp 65001
                      8⤵
                        PID:348
                      • C:\Windows\SysWOW64\PING.EXE
                        ping -n 10 localhost
                        8⤵
                        • Runs ping.exe
                        PID:872
                      • 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:1916
                        • 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:340
                        • C:\Windows\SysWOW64\cmd.exe
                          cmd /c ""C:\Users\Admin\AppData\Local\Temp\vsVaPiUHLZsf.bat" "
                          9⤵
                          • Loads dropped DLL
                          PID:1616
                          • C:\Windows\SysWOW64\chcp.com
                            chcp 65001
                            10⤵
                              PID:2204
                            • C:\Windows\SysWOW64\PING.EXE
                              ping -n 10 localhost
                              10⤵
                              • Runs ping.exe
                              PID:2236
                            • 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:2448
                              • 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:1620
                              • C:\Windows\SysWOW64\cmd.exe
                                cmd /c ""C:\Users\Admin\AppData\Local\Temp\VIKdYslkRDnA.bat" "
                                11⤵
                                • Loads dropped DLL
                                PID:1232
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 65001
                                  12⤵
                                    PID:1788
                                  • C:\Windows\SysWOW64\PING.EXE
                                    ping -n 10 localhost
                                    12⤵
                                    • Runs ping.exe
                                    PID:1836
                                  • 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:1048
                                    • 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:2716
                                    • C:\Windows\SysWOW64\cmd.exe
                                      cmd /c ""C:\Users\Admin\AppData\Local\Temp\lW85FGUGEvp6.bat" "
                                      13⤵
                                      • Loads dropped DLL
                                      PID:2604
                                      • C:\Windows\SysWOW64\chcp.com
                                        chcp 65001
                                        14⤵
                                          PID:2916
                                        • C:\Windows\SysWOW64\PING.EXE
                                          ping -n 10 localhost
                                          14⤵
                                          • Runs ping.exe
                                          PID:2584
                                        • 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:2988
                                          • 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:1624
                                          • C:\Windows\SysWOW64\cmd.exe
                                            cmd /c ""C:\Users\Admin\AppData\Local\Temp\EuKfpwR6IyMn.bat" "
                                            15⤵
                                            • Loads dropped DLL
                                            PID:1672
                                            • C:\Windows\SysWOW64\chcp.com
                                              chcp 65001
                                              16⤵
                                                PID:2748
                                              • C:\Windows\SysWOW64\PING.EXE
                                                ping -n 10 localhost
                                                16⤵
                                                • Runs ping.exe
                                                PID:1008
                                              • 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:2492
                                                • 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:2040
                                                • C:\Windows\SysWOW64\cmd.exe
                                                  cmd /c ""C:\Users\Admin\AppData\Local\Temp\5wntW8NWRpiK.bat" "
                                                  17⤵
                                                  • Loads dropped DLL
                                                  PID:1620
                                                  • C:\Windows\SysWOW64\chcp.com
                                                    chcp 65001
                                                    18⤵
                                                      PID:1660
                                                    • C:\Windows\SysWOW64\PING.EXE
                                                      ping -n 10 localhost
                                                      18⤵
                                                      • Runs ping.exe
                                                      PID:184
                                                    • 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:1312
                    • C:\Windows\SysWOW64\SCHTASKS.exe
                      "SCHTASKS.exe" /create /tn "$77Uni - Copy (12) - Copy - Copy.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (12) - Copy - Copy.exe'" /sc onlogon /rl HIGHEST
                      2⤵
                      • Creates scheduled task(s)
                      PID:1956

                  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\5wntW8NWRpiK.bat
                    Filesize

                    207B

                    MD5

                    a18cbd45cfceb1a9e89ce77de8dcb85a

                    SHA1

                    6d24160e78b9f16e3faf24f0d9146cca3778ee01

                    SHA256

                    cf867794d4905ca3ba20b0335e664cd9392cbc7ad59a919555bfe2650ea174a6

                    SHA512

                    c605a8c894c030d324de791549fb4d3b281fb59fbbb19886f9d330381005e4aba052f9803965e2fb8711229216e814e7a4abd4ae31e166c41faa4240bcfa2c53

                  • C:\Users\Admin\AppData\Local\Temp\EuKfpwR6IyMn.bat
                    Filesize

                    207B

                    MD5

                    1aa4fa8f7c6cb9021918adec612c1d9d

                    SHA1

                    0ca7522dccc64dde19dab0690f38ccb943b518e7

                    SHA256

                    883e1d3ecb3e0415153b073f165e8cfa388d5f52d947f58269ee07478ee5eba3

                    SHA512

                    2bfab48f3c0af188ce62a3974a6cddab32cf00717ea3f54b409ce31c6f46bb0a842b62a3d66a007eee9d00457c49fed5bd06dad67f85600181b8a7c8d7a150a9

                  • C:\Users\Admin\AppData\Local\Temp\Tlodm8oD4WFF.bat
                    Filesize

                    207B

                    MD5

                    d9080f5c918352614624326aab2b1926

                    SHA1

                    c9cb3e8228ade3639ac7c68aeb67c6ba31177add

                    SHA256

                    eefc8c17d5ae85031d0185f3d62b5a7444871add0e581a56fa3ac37906711213

                    SHA512

                    aa4936bb99841be813d35a398c71e45643df8ce5ce1f9e8fca726334346ed1ac39e44b3d7f3c605cb53a760f3f643b24153e1948dd55ae23c92c03298b741118

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

                    207B

                    MD5

                    38a32403c9bf99b08db2102cc74ebf5b

                    SHA1

                    c1e63010becb0fa867da21bfbbf172fcce8f4be0

                    SHA256

                    929272bf902500e6c57bbbc2492f868005336a9b43de323ebdcdc8829598e8d8

                    SHA512

                    82c8a495f122c3c0724245feb20a1fb969e3613d423b420a5626269d500694fe75f33f9358a0f24319ce6fbf53c09abde5ee4d3079534c5a1147e98cebee7263

                  • C:\Users\Admin\AppData\Local\Temp\bdtPvacR129q.bat
                    Filesize

                    207B

                    MD5

                    4747c8197d918eb4920d51fadbfd19cd

                    SHA1

                    c855443bed2148b095dfb0a920ff333c781bfb79

                    SHA256

                    0bcdd1ea050f4114fb9e52d4e158476d796c055fc9ab28b97e85a604e0674da3

                    SHA512

                    29587217c613b6c3e4b8868331b7d35c557af0e69be121e3c0919b9f4e756729860a97b4ae7f621c1aec383482d51ae3e6886363d75eeb92fa571179de1b9c16

                  • C:\Users\Admin\AppData\Local\Temp\lW85FGUGEvp6.bat
                    Filesize

                    207B

                    MD5

                    ee8957cd92595862f6baf04ce4e8f1d8

                    SHA1

                    840447c1a23af0ce7d6f9dc6da52a3dbc258ecb5

                    SHA256

                    87f3c4ce288c394a59c3ed0b512cf457ca45a3a456d734cd17e213b59e1a1202

                    SHA512

                    aaee8681b020c654bb330e25c7dfe9506fb1b199e552205eb0fb1259b28e3189ae8fcc4c286ef62ff544b9747ebc10b9fdf61ea63b6e941314db35a28eebdb0b

                  • C:\Users\Admin\AppData\Local\Temp\t8CTZ4bjcl52.bat
                    Filesize

                    207B

                    MD5

                    8684f15775bf60c2f7b50a6c1c8884e0

                    SHA1

                    290a2b23edacb492d9e4aeb41b7deefa4a176d4e

                    SHA256

                    81e79aebfbd7120088f9d071471ef47176655f14b82aafda1700b41da5179230

                    SHA512

                    6b8ba1d21019e63676f61c3a28a99ff0ee52814d6ebe64d5cc08b0a1dd585520c42ef240b797bd10e0667daf71a4118a7d2aaf65bd2147f89c5ba0d62e98dc3a

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

                    207B

                    MD5

                    ba35e57a6b594eaf7f9037d0849842ac

                    SHA1

                    4fbacbbc48ecc96ce000b97e99e9584b46ff2070

                    SHA256

                    fcea27e18a346a3ed645a54b8e09471667a2ba9797c18e60bea54933f8d29d7d

                    SHA512

                    e402646e88ce42ee8c6a8104af768cb89525a929ffed08137db3cc29c7bd0851995cc9d04b04ec733c2338bb4d166a342b19851ed9c603f84d2bd073082d880e

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

                    409KB

                    MD5

                    b70fdac25a99501e3cae11f1b775249e

                    SHA1

                    3c59226479bfdcd1b2927bcfb1a7516d4cb8dd71

                    SHA256

                    51ff3eb450a786c1aaa75ff889f2fd256412a7b75d04277fdf9fcccc20e57246

                    SHA512

                    43f0d5d6e5f0d5febba537c109ffdbc250bbb6e9725e635a43ec975b0353048eaeee50b6e9274cd5e072ea6b0cea32439bd37408b2528832f467f2075f74ca44

                  • memory/572-41-0x0000000000E50000-0x0000000000EBC000-memory.dmp
                    Filesize

                    432KB

                  • memory/772-29-0x0000000000CD0000-0x0000000000D3C000-memory.dmp
                    Filesize

                    432KB

                  • memory/1048-77-0x00000000003A0000-0x000000000040C000-memory.dmp
                    Filesize

                    432KB

                  • memory/1312-113-0x00000000009B0000-0x0000000000A1C000-memory.dmp
                    Filesize

                    432KB

                  • memory/1916-53-0x0000000000390000-0x00000000003FC000-memory.dmp
                    Filesize

                    432KB

                  • memory/1924-25-0x00000000742A0000-0x000000007498E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/1924-16-0x00000000742A0000-0x000000007498E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/1924-13-0x00000000742A0000-0x000000007498E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/1924-14-0x00000000742A0000-0x000000007498E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/1924-12-0x0000000000CD0000-0x0000000000D3C000-memory.dmp
                    Filesize

                    432KB

                  • memory/2176-4-0x00000000742A0000-0x000000007498E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2176-0-0x00000000742AE000-0x00000000742AF000-memory.dmp
                    Filesize

                    4KB

                  • memory/2176-3-0x00000000742AE000-0x00000000742AF000-memory.dmp
                    Filesize

                    4KB

                  • memory/2176-2-0x00000000742A0000-0x000000007498E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2176-1-0x0000000000B80000-0x0000000000BEC000-memory.dmp
                    Filesize

                    432KB

                  • memory/2176-15-0x00000000742A0000-0x000000007498E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2448-65-0x0000000000AF0000-0x0000000000B5C000-memory.dmp
                    Filesize

                    432KB

                  • memory/2492-101-0x0000000000360000-0x00000000003CC000-memory.dmp
                    Filesize

                    432KB

                  • memory/2988-89-0x00000000011A0000-0x000000000120C000-memory.dmp
                    Filesize

                    432KB