Analysis

  • max time kernel
    597s
  • max time network
    606s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    15-06-2024 07:35

General

  • Target

    uni/Uni - Copy (10) - 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 9 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 (10) - Copy - Copy.exe
    "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (10) - Copy - Copy.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1632
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (10) - Copy - Copy.exe" /rl HIGHEST /f
      2⤵
      • Creates scheduled task(s)
      PID:2900
    • 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:992
      • 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:1412
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\L0giNaFjdD0w.bat" "
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2208
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
            PID:2172
          • C:\Windows\SysWOW64\PING.EXE
            ping -n 10 localhost
            4⤵
            • Runs ping.exe
            PID:1196
          • 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:1084
            • 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:1228
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c ""C:\Users\Admin\AppData\Local\Temp\QCY4y5QT1OrE.bat" "
              5⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:896
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                6⤵
                  PID:680
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  6⤵
                  • Runs ping.exe
                  PID:2844
                • 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:1560
                  • 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:3004
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd /c ""C:\Users\Admin\AppData\Local\Temp\auOy6WNacLJL.bat" "
                    7⤵
                    • Loads dropped DLL
                    PID:2452
                    • C:\Windows\SysWOW64\chcp.com
                      chcp 65001
                      8⤵
                        PID:108
                      • C:\Windows\SysWOW64\PING.EXE
                        ping -n 10 localhost
                        8⤵
                        • Runs ping.exe
                        PID:756
                      • 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:1852
                        • 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:1864
                        • C:\Windows\SysWOW64\cmd.exe
                          cmd /c ""C:\Users\Admin\AppData\Local\Temp\ZWZFFsQANruF.bat" "
                          9⤵
                          • Loads dropped DLL
                          PID:844
                          • C:\Windows\SysWOW64\chcp.com
                            chcp 65001
                            10⤵
                              PID:3044
                            • C:\Windows\SysWOW64\PING.EXE
                              ping -n 10 localhost
                              10⤵
                              • Runs ping.exe
                              PID:2864
                            • 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:2172
                              • 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:2056
                              • C:\Windows\SysWOW64\cmd.exe
                                cmd /c ""C:\Users\Admin\AppData\Local\Temp\4rq3i5CYXoTH.bat" "
                                11⤵
                                • Loads dropped DLL
                                PID:1220
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 65001
                                  12⤵
                                    PID:808
                                  • C:\Windows\SysWOW64\PING.EXE
                                    ping -n 10 localhost
                                    12⤵
                                    • Runs ping.exe
                                    PID:924
                                  • 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:1660
                                    • 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:988
                                    • C:\Windows\SysWOW64\cmd.exe
                                      cmd /c ""C:\Users\Admin\AppData\Local\Temp\EZfxrW9g8luO.bat" "
                                      13⤵
                                      • Loads dropped DLL
                                      PID:3004
                                      • C:\Windows\SysWOW64\chcp.com
                                        chcp 65001
                                        14⤵
                                          PID:2760
                                        • C:\Windows\SysWOW64\PING.EXE
                                          ping -n 10 localhost
                                          14⤵
                                          • Runs ping.exe
                                          PID:996
                                        • 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:2848
                                          • 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:2888
                                          • C:\Windows\SysWOW64\cmd.exe
                                            cmd /c ""C:\Users\Admin\AppData\Local\Temp\Zs1eErNHsAJn.bat" "
                                            15⤵
                                            • Loads dropped DLL
                                            PID:824
                                            • C:\Windows\SysWOW64\chcp.com
                                              chcp 65001
                                              16⤵
                                                PID:1864
                                              • C:\Windows\SysWOW64\PING.EXE
                                                ping -n 10 localhost
                                                16⤵
                                                • Runs ping.exe
                                                PID:760
                                              • 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:1420
                                                • 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:2284
                                                • C:\Windows\SysWOW64\cmd.exe
                                                  cmd /c ""C:\Users\Admin\AppData\Local\Temp\Bn0W9DGpfn7C.bat" "
                                                  17⤵
                                                  • Loads dropped DLL
                                                  PID:1728
                                                  • C:\Windows\SysWOW64\chcp.com
                                                    chcp 65001
                                                    18⤵
                                                      PID:1936
                                                    • C:\Windows\SysWOW64\PING.EXE
                                                      ping -n 10 localhost
                                                      18⤵
                                                      • Runs ping.exe
                                                      PID:440
                                                    • 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:904
                    • C:\Windows\SysWOW64\SCHTASKS.exe
                      "SCHTASKS.exe" /create /tn "$77Uni - Copy (10) - Copy - Copy.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (10) - Copy - Copy.exe'" /sc onlogon /rl HIGHEST
                      2⤵
                      • Creates scheduled task(s)
                      PID:1648

                  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\4rq3i5CYXoTH.bat
                    Filesize

                    207B

                    MD5

                    fe908a4d6701d9086d8390ea243c27d9

                    SHA1

                    4793c983edcae2bcabfcfe4ae836b26b9ce097cc

                    SHA256

                    0386291cd927eec70e4e724410c7b3e891f6f0a013e39526acc59254c1b534a1

                    SHA512

                    df593a62ccc10a0ba9e9cbfb71beed32b4538327c8b796df9a347bd99bdf5042a1ac05da19d8a505125215e33c1f3c7f1bfc14fc5cc9c1444f043685ce30cadb

                  • C:\Users\Admin\AppData\Local\Temp\Bn0W9DGpfn7C.bat
                    Filesize

                    207B

                    MD5

                    03e4999fd49aa6750356434452f51fda

                    SHA1

                    a7aefcd7a3acddf419a3b7631f66bc24a0bc38a3

                    SHA256

                    61eff2aec8ee89d99b5aaf69ee3256a02731f3966fe8c675394e8e37bdd89c97

                    SHA512

                    f465eec8cdbae3c1b4574454637cb8559b59223beb8efec6bd120c91d80c5fb5892a6857a4a75453a1a86b27671f1f5cf82fae7a6a758750cc10c915c351ce64

                  • C:\Users\Admin\AppData\Local\Temp\EZfxrW9g8luO.bat
                    Filesize

                    207B

                    MD5

                    bb75eb894e023e31c467dadfe329bc41

                    SHA1

                    731b3e6acba2cf6b42931b04b008dd70d901bdb7

                    SHA256

                    70c09df9e66094171f28a17ab4426fa03869ec66be95e4122b6e99b720907db3

                    SHA512

                    b932cd6cd15df655d5fc505eff3c4e6c7207c56db1f9e75ff56a2aa6812471243723a0abffbbcae1524662f320fc45ed6a0009b6102d3caa07c071bd4e68c79c

                  • C:\Users\Admin\AppData\Local\Temp\L0giNaFjdD0w.bat
                    Filesize

                    207B

                    MD5

                    f6c8eba5aa3511bd068e734848f992a8

                    SHA1

                    67702cea15b08497ef3d4fe3503acb0d2a70a47f

                    SHA256

                    9956cbed16a764446cda09792d5f07a213b2d7b5a6a6ec2b92d32977944390c2

                    SHA512

                    5f3231d03a5cea097b3f7bdf82cada30ead30feaf7c1bcc8f50e470e168cd56af29c99d8cb496e1975e163ddf271f37b94b09640f99f1987fa3601e5ea2951ee

                  • C:\Users\Admin\AppData\Local\Temp\QCY4y5QT1OrE.bat
                    Filesize

                    207B

                    MD5

                    5b02680bedc2623a9b411746e9abf50b

                    SHA1

                    92a05bf4aab14bf012b93dcca9422d75ec0213ce

                    SHA256

                    892aac02988e67a926b22dea531c6f3a5cc245102443a7e26a5256f297a1cfe7

                    SHA512

                    0a757e10388f26a5dd4cc06a45629d51d2d0b2004f2dde997ab54b4d687bc4400a27760ba7ea0df53a5edaa10e3baeee348c55c529df8da8d9f5d78c18ce32d0

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

                    207B

                    MD5

                    d055a5ba15c2217d2da0e320e083c88d

                    SHA1

                    e98a4860b210b416d85746b78cc744c72e37b242

                    SHA256

                    48f839b4054ff36757988a515cec622f31c192b50b48b04a61c59853ca495c70

                    SHA512

                    63aa7030343a91a7427a580428979dbcd2ae7f6c4134729355c64d83cb5425e33eca8224fa8c23e1e7b53c5c147aa4d71e5941415ce04427ad39a6b79423a5c3

                  • C:\Users\Admin\AppData\Local\Temp\Zs1eErNHsAJn.bat
                    Filesize

                    207B

                    MD5

                    4ff2730bc570c1d9c6331ff570b32914

                    SHA1

                    78d90ff9d48c2b072094d1cd4a74db69db4c3369

                    SHA256

                    6f62b0d3f5a909022b3cadcdcfe575e719f169d06f1a0a168d5b3343b5b4430d

                    SHA512

                    c0ad77c80f036a0ae0168d6304e62985da59025e0a579a93b1ed4be848b0f36d0c4d94413a77f5668eb5965966db6b453249de9a871215d4d35a82424d1469e8

                  • C:\Users\Admin\AppData\Local\Temp\auOy6WNacLJL.bat
                    Filesize

                    207B

                    MD5

                    3b2ead8139067cdb8425e05da7d87439

                    SHA1

                    880ef0cc1a9fe4117f31cf3795b60d3420f05a99

                    SHA256

                    d3701aa356b1e57bed04fd969d27a98b408fcfa3e42a4755672426b6314ed84f

                    SHA512

                    ac7d1f4b90d1e9e8aec662347d7098a3c1248e2509a2d11f96d062d53b476d597f2e0602d48c1d70ffd5a68c2a7bf0fc09af3578a0ff91bda4752571869c2aff

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

                    409KB

                    MD5

                    b70fdac25a99501e3cae11f1b775249e

                    SHA1

                    3c59226479bfdcd1b2927bcfb1a7516d4cb8dd71

                    SHA256

                    51ff3eb450a786c1aaa75ff889f2fd256412a7b75d04277fdf9fcccc20e57246

                    SHA512

                    43f0d5d6e5f0d5febba537c109ffdbc250bbb6e9725e635a43ec975b0353048eaeee50b6e9274cd5e072ea6b0cea32439bd37408b2528832f467f2075f74ca44

                  • memory/904-111-0x00000000001A0000-0x000000000020C000-memory.dmp
                    Filesize

                    432KB

                  • memory/992-12-0x0000000000A80000-0x0000000000AEC000-memory.dmp
                    Filesize

                    432KB

                  • memory/992-14-0x0000000074950000-0x000000007503E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/992-26-0x0000000074950000-0x000000007503E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/992-16-0x0000000074950000-0x000000007503E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/992-13-0x0000000074950000-0x000000007503E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/1084-29-0x0000000000D60000-0x0000000000DCC000-memory.dmp
                    Filesize

                    432KB

                  • memory/1560-41-0x00000000003E0000-0x000000000044C000-memory.dmp
                    Filesize

                    432KB

                  • memory/1632-0-0x000000007495E000-0x000000007495F000-memory.dmp
                    Filesize

                    4KB

                  • memory/1632-15-0x0000000074950000-0x000000007503E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/1632-4-0x0000000074950000-0x000000007503E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/1632-3-0x000000007495E000-0x000000007495F000-memory.dmp
                    Filesize

                    4KB

                  • memory/1632-2-0x0000000074950000-0x000000007503E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/1632-1-0x0000000001020000-0x000000000108C000-memory.dmp
                    Filesize

                    432KB

                  • memory/1660-77-0x0000000001190000-0x00000000011FC000-memory.dmp
                    Filesize

                    432KB

                  • memory/1852-53-0x0000000000E20000-0x0000000000E8C000-memory.dmp
                    Filesize

                    432KB

                  • memory/2172-65-0x0000000001190000-0x00000000011FC000-memory.dmp
                    Filesize

                    432KB