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.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 (13) - Copy.exe
    "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (13) - Copy.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3000
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (13) - Copy.exe" /rl HIGHEST /f
      2⤵
      • Creates scheduled task(s)
      PID:2460
    • 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:2524
      • 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:1920
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\FjZvDPccJqyt.bat" "
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2884
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
            PID:2200
          • C:\Windows\SysWOW64\PING.EXE
            ping -n 10 localhost
            4⤵
            • Runs ping.exe
            PID:2224
          • 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:536
            • 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:1452
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c ""C:\Users\Admin\AppData\Local\Temp\T0I90FWa1dyU.bat" "
              5⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:848
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                6⤵
                  PID:2008
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  6⤵
                  • Runs ping.exe
                  PID:2040
                • 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:1116
                  • 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:1980
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd /c ""C:\Users\Admin\AppData\Local\Temp\5vH1vbP8oGmu.bat" "
                    7⤵
                    • Loads dropped DLL
                    PID:2576
                    • C:\Windows\SysWOW64\chcp.com
                      chcp 65001
                      8⤵
                        PID:2456
                      • C:\Windows\SysWOW64\PING.EXE
                        ping -n 10 localhost
                        8⤵
                        • Runs ping.exe
                        PID:2540
                      • 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:1872
                        • C:\Windows\SysWOW64\cmd.exe
                          cmd /c ""C:\Users\Admin\AppData\Local\Temp\xxkFdoLXw68Q.bat" "
                          9⤵
                          • Loads dropped DLL
                          PID:2788
                          • C:\Windows\SysWOW64\chcp.com
                            chcp 65001
                            10⤵
                              PID:1672
                            • C:\Windows\SysWOW64\PING.EXE
                              ping -n 10 localhost
                              10⤵
                              • Runs ping.exe
                              PID:1524
                            • 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:2632
                              • 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:2844
                              • C:\Windows\SysWOW64\cmd.exe
                                cmd /c ""C:\Users\Admin\AppData\Local\Temp\EFHCDOPpAipv.bat" "
                                11⤵
                                • Loads dropped DLL
                                PID:580
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 65001
                                  12⤵
                                    PID:2160
                                  • C:\Windows\SysWOW64\PING.EXE
                                    ping -n 10 localhost
                                    12⤵
                                    • Runs ping.exe
                                    PID:1848
                                  • 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:1004
                                    • 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:1944
                                    • C:\Windows\SysWOW64\cmd.exe
                                      cmd /c ""C:\Users\Admin\AppData\Local\Temp\5HkQuaMFJZBR.bat" "
                                      13⤵
                                      • Loads dropped DLL
                                      PID:2976
                                      • C:\Windows\SysWOW64\chcp.com
                                        chcp 65001
                                        14⤵
                                          PID:2772
                                        • C:\Windows\SysWOW64\PING.EXE
                                          ping -n 10 localhost
                                          14⤵
                                          • Runs ping.exe
                                          PID:2784
                                        • 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:2732
                                          • 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:2376
                                          • C:\Windows\SysWOW64\cmd.exe
                                            cmd /c ""C:\Users\Admin\AppData\Local\Temp\omQLG6MxiqFF.bat" "
                                            15⤵
                                            • Loads dropped DLL
                                            PID:1836
                                            • C:\Windows\SysWOW64\chcp.com
                                              chcp 65001
                                              16⤵
                                                PID:352
                                              • C:\Windows\SysWOW64\PING.EXE
                                                ping -n 10 localhost
                                                16⤵
                                                • Runs ping.exe
                                                PID:1924
                                              • 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:2116
                                                • 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:2704
                                                • C:\Windows\SysWOW64\cmd.exe
                                                  cmd /c ""C:\Users\Admin\AppData\Local\Temp\suYByOBvg8Ry.bat" "
                                                  17⤵
                                                  • Loads dropped DLL
                                                  PID:2524
                                                  • C:\Windows\SysWOW64\chcp.com
                                                    chcp 65001
                                                    18⤵
                                                      PID:2996
                                                    • C:\Windows\SysWOW64\PING.EXE
                                                      ping -n 10 localhost
                                                      18⤵
                                                      • Runs ping.exe
                                                      PID:2276
                                                    • 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:872
                    • C:\Windows\SysWOW64\SCHTASKS.exe
                      "SCHTASKS.exe" /create /tn "$77Uni - Copy (13) - Copy.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (13) - Copy.exe'" /sc onlogon /rl HIGHEST
                      2⤵
                      • Creates scheduled task(s)
                      PID:2420

                  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\5HkQuaMFJZBR.bat
                    Filesize

                    207B

                    MD5

                    c5855466767ab5ac601551b8af8a784a

                    SHA1

                    b40ce20d71cc098010800dec66cc87e0b1a7fc7b

                    SHA256

                    7d53424621b6b13171b12cd0ca0e664117b841730e6fe9621a0d85b6f01039b6

                    SHA512

                    6a0a79161815e8f5b37e78c8dcd3eb06ee57dac667e305046585fea1c95cfbcad83c044093eb663b7e05603bcad45dfe1c2ccc517b1ea24d2cc59fe0854e81bd

                  • C:\Users\Admin\AppData\Local\Temp\5vH1vbP8oGmu.bat
                    Filesize

                    207B

                    MD5

                    319543fa211ac48b58e38efb3272093d

                    SHA1

                    a17e094e3fb3b0b4394adfc80e3d725fbf76c58b

                    SHA256

                    5ea6d208b95244d096c3038a3f9f727282ad05046bf9e62aca4c2bce01219c15

                    SHA512

                    88370cac984f44c16fd0ab328d0f384e268873a5a4a11243ff571667c5f333599633f138a6dfb1901405eced964536e2f8f364c414b8e9d986810722a2c32938

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

                    207B

                    MD5

                    69bb06e6e16aea48e775ede97b9991d9

                    SHA1

                    630adbc4747c83c731319c8884c911bdb910f42c

                    SHA256

                    a8ca41ee05ee4581c9bc2446e08644e7b1e556a0507ba1a49a9d4ea074bd35c5

                    SHA512

                    2b16acc35a7eb4663ee9b9c57190225ccb8045be05cdcc9de34f1828dde5d961da079188e5001da862c971fa14bde71f86137c0d61c7cdacc318b1e321895d53

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

                    207B

                    MD5

                    3515152da4e3efb8745894323d2dd19e

                    SHA1

                    a312fde3f4f1d243ac39c3759c116790312e8475

                    SHA256

                    d1a488033a0e7c9c08cbc22492778e07dfaa32a0854823e6a5485b3fe2d93891

                    SHA512

                    bc90a5678af1e3709651edaa02068b154a251f8738b6858a432e85cdadab1eb12377f8db2442090e7b24905d2fbcc4f90745875bf1b2595399dea0f26085dbc5

                  • C:\Users\Admin\AppData\Local\Temp\T0I90FWa1dyU.bat
                    Filesize

                    207B

                    MD5

                    88f7e8d900741f7c2fba03c67cd00f98

                    SHA1

                    748c0f78c49a20df7bfd65c7626a617a91641fde

                    SHA256

                    edc7fc24522546c26fdd1213e87270d7e5630551b049454c5d1e626a8e9086a7

                    SHA512

                    4c571fadfe0560527e69886cf40cce578d72f6747441e6b8583a9c5654380b6adc8d30c12110ce6135b3edfd8ac01eb6fdf2e5791a86b65483c3fec05af9ba86

                  • C:\Users\Admin\AppData\Local\Temp\omQLG6MxiqFF.bat
                    Filesize

                    207B

                    MD5

                    bb90f310bd5e166561fd253fef018d54

                    SHA1

                    d48146484b0cb08fbf50bd3f41e9517d4a1ab6f1

                    SHA256

                    a9c630b4a2addb4794f483807f819a4c6714c5fd353068e1ea03608efa0e3979

                    SHA512

                    5217f76326a19c9ca67d33e9e1eb45e6fb901f285bd607ee022df4fbe90d1f7bbd1f386377a8f47af0bc16d2da85c827980336766724a2d2a5029c98c2eea8a9

                  • C:\Users\Admin\AppData\Local\Temp\suYByOBvg8Ry.bat
                    Filesize

                    207B

                    MD5

                    b210a75baa28a646da6278356b0d3eef

                    SHA1

                    38665432f946c5733800913c6310cc1d93f92477

                    SHA256

                    45ca13d63109af6a146f790a223165e0fa998c354e336ada03034893c6bc365f

                    SHA512

                    a382a866e3fc4776042e6baaad1197713a5ab3e399a3ff33b4be12874e30e67331ca9c0db0cf65bca116fb4551e34aeae27488b3564b710be7b8f2505db3c631

                  • C:\Users\Admin\AppData\Local\Temp\xxkFdoLXw68Q.bat
                    Filesize

                    207B

                    MD5

                    aefd8d6519cc69289df9605c974acaaa

                    SHA1

                    5e23541acb0dbc6f4bd09b4f4897773e4331f21f

                    SHA256

                    99f4b6bb92490e643e87f75d66e0759e91c237874138bf4f7e56f348eb54ebfb

                    SHA512

                    1fdd5e32bac1709ee3f12de2ac22ad195fd4774197e4a01b2544eca280a6b2c23d7c387bb96eb518aefe6adcaa2e9b62746b7783552bedfe79f79a4e4d8355a7

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

                    409KB

                    MD5

                    b70fdac25a99501e3cae11f1b775249e

                    SHA1

                    3c59226479bfdcd1b2927bcfb1a7516d4cb8dd71

                    SHA256

                    51ff3eb450a786c1aaa75ff889f2fd256412a7b75d04277fdf9fcccc20e57246

                    SHA512

                    43f0d5d6e5f0d5febba537c109ffdbc250bbb6e9725e635a43ec975b0353048eaeee50b6e9274cd5e072ea6b0cea32439bd37408b2528832f467f2075f74ca44

                  • memory/536-29-0x0000000000DB0000-0x0000000000E1C000-memory.dmp
                    Filesize

                    432KB

                  • memory/872-113-0x00000000012C0000-0x000000000132C000-memory.dmp
                    Filesize

                    432KB

                  • memory/1004-77-0x0000000001210000-0x000000000127C000-memory.dmp
                    Filesize

                    432KB

                  • memory/1116-41-0x00000000013A0000-0x000000000140C000-memory.dmp
                    Filesize

                    432KB

                  • memory/1852-53-0x00000000013A0000-0x000000000140C000-memory.dmp
                    Filesize

                    432KB

                  • memory/2116-101-0x0000000000380000-0x00000000003EC000-memory.dmp
                    Filesize

                    432KB

                  • memory/2524-13-0x0000000073F90000-0x000000007467E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2524-14-0x0000000073F90000-0x000000007467E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2524-12-0x0000000000D00000-0x0000000000D6C000-memory.dmp
                    Filesize

                    432KB

                  • memory/2524-26-0x0000000073F90000-0x000000007467E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2524-16-0x0000000073F90000-0x000000007467E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2632-65-0x0000000000080000-0x00000000000EC000-memory.dmp
                    Filesize

                    432KB

                  • memory/2732-89-0x0000000001210000-0x000000000127C000-memory.dmp
                    Filesize

                    432KB

                  • memory/3000-15-0x0000000073F90000-0x000000007467E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/3000-0-0x0000000073F9E000-0x0000000073F9F000-memory.dmp
                    Filesize

                    4KB

                  • memory/3000-4-0x0000000073F90000-0x000000007467E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/3000-3-0x0000000073F9E000-0x0000000073F9F000-memory.dmp
                    Filesize

                    4KB

                  • memory/3000-2-0x0000000073F90000-0x000000007467E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/3000-1-0x0000000000350000-0x00000000003BC000-memory.dmp
                    Filesize

                    432KB