Analysis

  • max time kernel
    596s
  • 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 (103) - 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 10 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 (103) - Copy - Copy.exe
    "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (103) - Copy - Copy.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2124
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (103) - Copy - Copy.exe" /rl HIGHEST /f
      2⤵
      • Creates scheduled task(s)
      PID:2592
    • 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:2992
      • 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:2740
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\OQuUMXeL3mko.bat" "
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:320
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
            PID:1220
          • C:\Windows\SysWOW64\PING.EXE
            ping -n 10 localhost
            4⤵
            • Runs ping.exe
            PID:1260
          • 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:828
            • 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:1344
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c ""C:\Users\Admin\AppData\Local\Temp\kEPzV4U2UA17.bat" "
              5⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:648
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                6⤵
                  PID:2308
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  6⤵
                  • Runs ping.exe
                  PID:1784
                • 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:1800
                  • 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:2788
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd /c ""C:\Users\Admin\AppData\Local\Temp\jqaHeQYbFgc2.bat" "
                    7⤵
                    • Loads dropped DLL
                    PID:2748
                    • C:\Windows\SysWOW64\chcp.com
                      chcp 65001
                      8⤵
                        PID:2608
                      • C:\Windows\SysWOW64\PING.EXE
                        ping -n 10 localhost
                        8⤵
                        • Runs ping.exe
                        PID:2596
                      • 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:2980
                        • 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:1976
                        • C:\Windows\SysWOW64\cmd.exe
                          cmd /c ""C:\Users\Admin\AppData\Local\Temp\FFba0qflpWrd.bat" "
                          9⤵
                          • Loads dropped DLL
                          PID:1392
                          • C:\Windows\SysWOW64\chcp.com
                            chcp 65001
                            10⤵
                              PID:1300
                            • C:\Windows\SysWOW64\PING.EXE
                              ping -n 10 localhost
                              10⤵
                              • Runs ping.exe
                              PID:1316
                            • 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:2752
                              • 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:2196
                              • C:\Windows\SysWOW64\cmd.exe
                                cmd /c ""C:\Users\Admin\AppData\Local\Temp\o9mj8SOz6Ky9.bat" "
                                11⤵
                                • Loads dropped DLL
                                PID:1344
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 65001
                                  12⤵
                                    PID:1040
                                  • C:\Windows\SysWOW64\PING.EXE
                                    ping -n 10 localhost
                                    12⤵
                                    • Runs ping.exe
                                    PID:1980
                                  • 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:2020
                                    • 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:1924
                                    • C:\Windows\SysWOW64\cmd.exe
                                      cmd /c ""C:\Users\Admin\AppData\Local\Temp\2sQM3eVQD57A.bat" "
                                      13⤵
                                      • Loads dropped DLL
                                      PID:2840
                                      • C:\Windows\SysWOW64\chcp.com
                                        chcp 65001
                                        14⤵
                                          PID:2516
                                        • C:\Windows\SysWOW64\PING.EXE
                                          ping -n 10 localhost
                                          14⤵
                                          • Runs ping.exe
                                          PID:2904
                                        • 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:2356
                                          • 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:1252
                                          • C:\Windows\SysWOW64\cmd.exe
                                            cmd /c ""C:\Users\Admin\AppData\Local\Temp\ShjbzvVQ9H5N.bat" "
                                            15⤵
                                            • Loads dropped DLL
                                            PID:1108
                                            • C:\Windows\SysWOW64\chcp.com
                                              chcp 65001
                                              16⤵
                                                PID:1700
                                              • C:\Windows\SysWOW64\PING.EXE
                                                ping -n 10 localhost
                                                16⤵
                                                • Runs ping.exe
                                                PID:2760
                                              • 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:3020
                                                • 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:1184
                                                • C:\Windows\SysWOW64\cmd.exe
                                                  cmd /c ""C:\Users\Admin\AppData\Local\Temp\EDEH8BfR5Mq5.bat" "
                                                  17⤵
                                                  • Loads dropped DLL
                                                  PID:1912
                                                  • C:\Windows\SysWOW64\chcp.com
                                                    chcp 65001
                                                    18⤵
                                                      PID:1604
                                                    • C:\Windows\SysWOW64\PING.EXE
                                                      ping -n 10 localhost
                                                      18⤵
                                                      • Runs ping.exe
                                                      PID:1704
                                                    • 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:3064
                    • C:\Windows\SysWOW64\SCHTASKS.exe
                      "SCHTASKS.exe" /create /tn "$77Uni - Copy (103) - Copy - Copy.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (103) - Copy - Copy.exe'" /sc onlogon /rl HIGHEST
                      2⤵
                      • Creates scheduled task(s)
                      PID:1520

                  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\2sQM3eVQD57A.bat
                    Filesize

                    207B

                    MD5

                    f33462ae94fcda123bab241f3b80a617

                    SHA1

                    66253daec9b9d753487a7e21fafb2df037c4ba11

                    SHA256

                    a236e044d9f1f665a9da0bb15542c4f61cc26230b4ec65b5262a82b95e9ae360

                    SHA512

                    fea2c60a2a01953b760864307bd669d0ca4b5dfa8415bf72b24d68e70ecf97e05d41f252d31f600742b66aecdf2e64673a7cff832539c69cd424dde6a4a695d0

                  • C:\Users\Admin\AppData\Local\Temp\EDEH8BfR5Mq5.bat
                    Filesize

                    207B

                    MD5

                    c291a06f56509eb82fd40e9dcea1781f

                    SHA1

                    8d39c52fa31bfa7e7c8639c47377bfa463fc3337

                    SHA256

                    107b8acadb95fa19e67e1847056c95ef3656ce5699c9015c316e01b6262df34f

                    SHA512

                    6f329db073df91d6ea13f5f6f594216c3530c09c50b3d062f6d89198dba921b1bc3bbe59813009232ebe0807c0676b8572b6a0e2eea0a2a27725aa16a323b618

                  • C:\Users\Admin\AppData\Local\Temp\FFba0qflpWrd.bat
                    Filesize

                    207B

                    MD5

                    6f2c516d72140f9e445744904adc4e25

                    SHA1

                    e240e86de2638af970a509ad2c3bdaa830749e6b

                    SHA256

                    e010cbac8504208ae0b23c5e6db01602233d441778318e38e4d023aa420773d6

                    SHA512

                    d6aceae40c852827f7ff6454c04a5f29dbb2ec5685c26a8809a0da2adbd3625ae387457d7a9571c0c5da6b093611a60a88ebae03e092ba3bcc87eaced5ed004e

                  • C:\Users\Admin\AppData\Local\Temp\OQuUMXeL3mko.bat
                    Filesize

                    207B

                    MD5

                    81c29b1cf82335a432960bebb03bdcd2

                    SHA1

                    6865278b5c2e42f830fecb18b33e6519b33fc8f2

                    SHA256

                    bbeb2be2149e67f03d3e2c3de5279820c97fc9bd6f42d8804da74cff814d0b48

                    SHA512

                    34926a365eae62c5b01c90ba6bb581630b90d7eb18d9680741093c7833135bdb375e53d7b0a2f4441642b36cf995cfdd7f7a057ee232cd302c6234b75469fe31

                  • C:\Users\Admin\AppData\Local\Temp\ShjbzvVQ9H5N.bat
                    Filesize

                    207B

                    MD5

                    83a503a0da2f6eeea09db3e49348a407

                    SHA1

                    002f0a972773f0f86fb94a62346d181ae10915de

                    SHA256

                    57ce83a782794c4f9e3a8d05ac0e236ff47fb2daff83a94c61b0845b87864c6e

                    SHA512

                    98593be71d91472911add53867828755c00d1919b1df686c343f219e55bbe3458c202f3fbee5eaf58774010a73876beca27380825202082aa83fba08dac7c323

                  • C:\Users\Admin\AppData\Local\Temp\jqaHeQYbFgc2.bat
                    Filesize

                    207B

                    MD5

                    15a284ede958a8ade17418a827873baf

                    SHA1

                    3e3cf98ed34d7a3a952af8e18c93ed87548f6252

                    SHA256

                    bf3a7b64a83017bd4f0b2c8ba3a2faacc6386e2d30c9c0037a7941a460b3afa8

                    SHA512

                    816b145ad51607bb4fb7e04c1d70ed0202f94b613b9f8a778e79a53b5f638a1976347557bc373531ac8103418396ffcf8f6b9942399d40acb51bba8b428c0a16

                  • C:\Users\Admin\AppData\Local\Temp\kEPzV4U2UA17.bat
                    Filesize

                    207B

                    MD5

                    99eb860a28ac1854aa69d002bdb99e10

                    SHA1

                    1042ae6d13eeda418eb34c29fa67cf50d3983310

                    SHA256

                    e517cb8abb6388a68856d895aafda0242accfd75f5220851f1076b96edb2741c

                    SHA512

                    1ae748141d64c13de87bb2ca3cab07ea4ac781fbe9c5452206147c534f4ceaba7c83aae5a73fff0eb65fb02a8276f036ed8bb9851aa31a014efb199c1f4e822b

                  • C:\Users\Admin\AppData\Local\Temp\o9mj8SOz6Ky9.bat
                    Filesize

                    207B

                    MD5

                    b4057fbf22791e8132c42f9c35f70554

                    SHA1

                    9959cecdd66debc720f70ecd6638d28cf4b88629

                    SHA256

                    65902ed33bf3b6a4f28f380cda17774b77b032da09a4faac3e83746039d9d212

                    SHA512

                    be6ac002f3982ca96770fe4218d6c69dfa1f67ad3bd015197223b0b7f8fa60a843deedff1c8e3388512832e65b08d466628d259a0e428b346e8a48ba59974d24

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

                    409KB

                    MD5

                    b70fdac25a99501e3cae11f1b775249e

                    SHA1

                    3c59226479bfdcd1b2927bcfb1a7516d4cb8dd71

                    SHA256

                    51ff3eb450a786c1aaa75ff889f2fd256412a7b75d04277fdf9fcccc20e57246

                    SHA512

                    43f0d5d6e5f0d5febba537c109ffdbc250bbb6e9725e635a43ec975b0353048eaeee50b6e9274cd5e072ea6b0cea32439bd37408b2528832f467f2075f74ca44

                  • memory/828-29-0x0000000000210000-0x000000000027C000-memory.dmp
                    Filesize

                    432KB

                  • memory/1800-41-0x0000000000840000-0x00000000008AC000-memory.dmp
                    Filesize

                    432KB

                  • memory/2020-77-0x0000000001380000-0x00000000013EC000-memory.dmp
                    Filesize

                    432KB

                  • memory/2124-15-0x0000000074410000-0x0000000074AFE000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2124-0-0x000000007441E000-0x000000007441F000-memory.dmp
                    Filesize

                    4KB

                  • memory/2124-4-0x0000000074410000-0x0000000074AFE000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2124-3-0x000000007441E000-0x000000007441F000-memory.dmp
                    Filesize

                    4KB

                  • memory/2124-2-0x0000000074410000-0x0000000074AFE000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2124-1-0x0000000000F90000-0x0000000000FFC000-memory.dmp
                    Filesize

                    432KB

                  • memory/2752-65-0x0000000001380000-0x00000000013EC000-memory.dmp
                    Filesize

                    432KB

                  • memory/2980-53-0x0000000000C00000-0x0000000000C6C000-memory.dmp
                    Filesize

                    432KB

                  • memory/2992-12-0x0000000001140000-0x00000000011AC000-memory.dmp
                    Filesize

                    432KB

                  • memory/2992-26-0x0000000074410000-0x0000000074AFE000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2992-16-0x0000000074410000-0x0000000074AFE000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2992-13-0x0000000074410000-0x0000000074AFE000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2992-14-0x0000000074410000-0x0000000074AFE000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/3020-100-0x0000000000190000-0x00000000001FC000-memory.dmp
                    Filesize

                    432KB

                  • memory/3064-112-0x00000000003F0000-0x000000000045C000-memory.dmp
                    Filesize

                    432KB