Analysis

  • max time kernel
    596s
  • max time network
    600s
  • 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 (13) - 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 (13) - Copy - Copy.exe
    "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (13) - Copy - Copy.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (13) - Copy - Copy.exe" /rl HIGHEST /f
      2⤵
      • Creates scheduled task(s)
      PID:2532
    • 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:2988
      • 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:1452
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\9bmGvbiv57rv.bat" "
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:868
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
            PID:2472
          • C:\Windows\SysWOW64\PING.EXE
            ping -n 10 localhost
            4⤵
            • Runs ping.exe
            PID:2784
          • 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:784
            • 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:1572
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c ""C:\Users\Admin\AppData\Local\Temp\o5eTUMYJzbEp.bat" "
              5⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:1044
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                6⤵
                  PID:2004
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  6⤵
                  • Runs ping.exe
                  PID:1648
                • 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:2324
                  • 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:1488
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd /c ""C:\Users\Admin\AppData\Local\Temp\2oI6PYfl6LMp.bat" "
                    7⤵
                    • Loads dropped DLL
                    PID:2328
                    • C:\Windows\SysWOW64\chcp.com
                      chcp 65001
                      8⤵
                        PID:2540
                      • C:\Windows\SysWOW64\PING.EXE
                        ping -n 10 localhost
                        8⤵
                        • Runs ping.exe
                        PID:2756
                      • 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:808
                        • 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:2476
                        • C:\Windows\SysWOW64\cmd.exe
                          cmd /c ""C:\Users\Admin\AppData\Local\Temp\OcocY5VRXje9.bat" "
                          9⤵
                          • Loads dropped DLL
                          PID:3016
                          • C:\Windows\SysWOW64\chcp.com
                            chcp 65001
                            10⤵
                              PID:2052
                            • C:\Windows\SysWOW64\PING.EXE
                              ping -n 10 localhost
                              10⤵
                              • Runs ping.exe
                              PID:1912
                            • 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:1448
                              • 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:2100
                              • C:\Windows\SysWOW64\cmd.exe
                                cmd /c ""C:\Users\Admin\AppData\Local\Temp\EhCbLjcJZfyL.bat" "
                                11⤵
                                • Loads dropped DLL
                                PID:1544
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 65001
                                  12⤵
                                    PID:2696
                                  • C:\Windows\SysWOW64\PING.EXE
                                    ping -n 10 localhost
                                    12⤵
                                    • Runs ping.exe
                                    PID:2012
                                  • 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:1412
                                    • 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:804
                                    • C:\Windows\SysWOW64\cmd.exe
                                      cmd /c ""C:\Users\Admin\AppData\Local\Temp\CJMtU5gsLBZF.bat" "
                                      13⤵
                                      • Loads dropped DLL
                                      PID:1488
                                      • C:\Windows\SysWOW64\chcp.com
                                        chcp 65001
                                        14⤵
                                          PID:2604
                                        • C:\Windows\SysWOW64\PING.EXE
                                          ping -n 10 localhost
                                          14⤵
                                          • Runs ping.exe
                                          PID:2776
                                        • 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:1668
                                          • 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\oELlPSZQ7nOf.bat" "
                                            15⤵
                                            • Loads dropped DLL
                                            PID:280
                                            • C:\Windows\SysWOW64\chcp.com
                                              chcp 65001
                                              16⤵
                                                PID:1484
                                              • C:\Windows\SysWOW64\PING.EXE
                                                ping -n 10 localhost
                                                16⤵
                                                • Runs ping.exe
                                                PID:3004
                                              • 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:2712
                                                • 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:2056
                                                • C:\Windows\SysWOW64\cmd.exe
                                                  cmd /c ""C:\Users\Admin\AppData\Local\Temp\7TxwtZRGRK6U.bat" "
                                                  17⤵
                                                  • Loads dropped DLL
                                                  PID:2100
                                                  • C:\Windows\SysWOW64\chcp.com
                                                    chcp 65001
                                                    18⤵
                                                      PID:2348
                                                    • C:\Windows\SysWOW64\PING.EXE
                                                      ping -n 10 localhost
                                                      18⤵
                                                      • Runs ping.exe
                                                      PID:1120
                                                    • 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:1292
                    • C:\Windows\SysWOW64\SCHTASKS.exe
                      "SCHTASKS.exe" /create /tn "$77Uni - Copy (13) - Copy - Copy.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (13) - Copy - Copy.exe'" /sc onlogon /rl HIGHEST
                      2⤵
                      • Creates scheduled task(s)
                      PID:704

                  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\2oI6PYfl6LMp.bat
                    Filesize

                    207B

                    MD5

                    10b5a30b8ee854b200860e065c86c11c

                    SHA1

                    3afeebd557ecc71d52e77375f2355a7c8499f284

                    SHA256

                    77701521ef6ae9bfb392063d4d75e63596e3d10f1a572ba20d5eda90c55f2f3b

                    SHA512

                    11bc1386534844fc4d9a191a35f62457546a2a11774a0a13f46271bd4503624bc7674a61d2b00181c8562b288dc821eb1d6c41a344b0740e36f8cf36eb0f3429

                  • C:\Users\Admin\AppData\Local\Temp\7TxwtZRGRK6U.bat
                    Filesize

                    207B

                    MD5

                    0c2c12071a39228e6501f98d0a493876

                    SHA1

                    77ea5a770bd31f18494bae9c7363bb7a2653c294

                    SHA256

                    4266d649958633aec6d9c9ef0680adfccef6d0d975ca1625031977ca206512ae

                    SHA512

                    834450371880f8aa34495a22a01f90bab4d9c626077e6b65a179a644d9e6d67e0fb76d5e0d151474bdaecc07d874a0ea6ec362867cd20d62caa511d54e05b6a1

                  • C:\Users\Admin\AppData\Local\Temp\9bmGvbiv57rv.bat
                    Filesize

                    207B

                    MD5

                    d2c32e674528be7209781e371753a434

                    SHA1

                    dec5ba87ca936d395f47d0e94a15ab7aeca12c16

                    SHA256

                    c9d057a09fb570e5337379588c781807231a46d95d82af49633f0806964a63a8

                    SHA512

                    44211be5685dac539974c8bc13b6d7f73a7e087f48b6601fd4ba3007eb961ccb03a08edfd194f40fab0c5b403e2a8a2da7a65cc39bc8febf3852bce3604bf7d2

                  • C:\Users\Admin\AppData\Local\Temp\CJMtU5gsLBZF.bat
                    Filesize

                    207B

                    MD5

                    4bbf21633cc5679d57cf9c6379fc0061

                    SHA1

                    903a9da103cea8b9bbd56c46223a38bba8fe37f5

                    SHA256

                    2d44178924b4322ea521f99a10cb91b365a3f354e75d555c74e67ad896a4216c

                    SHA512

                    1d4d56618a456b31772498e79efaf953984c68170d26471baaa248a0a8a68c5facc123fa4f98dd72db2ac762b7401a53432079a4a0039ea0d00c87c73d789547

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

                    207B

                    MD5

                    3f8bc7fd1c38b214c3691cb6947dc5b1

                    SHA1

                    4d2c3634dc1dd5e107e35e319760b6def783370e

                    SHA256

                    bff539898562579f73e482ee9291cab60a867d1716c9239de5e8a5cf8d92e359

                    SHA512

                    e02c2deea032123710b81ba8cc858f54ab0190abe4af74ff63c6bb5f14417d609997ea2d61dfe84b387c704fbfae0567dc4061b72194b18d7e72ec4f7dda4dd5

                  • C:\Users\Admin\AppData\Local\Temp\OcocY5VRXje9.bat
                    Filesize

                    207B

                    MD5

                    6579066628fcede0ca87ccaf0f6d3c37

                    SHA1

                    483cc5a5970005466dd3d6dff250fdc0ee0807ea

                    SHA256

                    a27b6d81477bd9f5930f0e869b4df25c0f3b6c04d4c16eb1831b214f2a663b61

                    SHA512

                    3e98c85158c16ea09f0c94f94b4f8707741787fb5a91ebcde7bd0a766c0013aa7f469105a1b588c6526f1f8431faa87424ea7822574004967059fee5ac217020

                  • C:\Users\Admin\AppData\Local\Temp\o5eTUMYJzbEp.bat
                    Filesize

                    207B

                    MD5

                    e454be5118e9797e73c01f4b86599cf8

                    SHA1

                    4384e96df681aee2e96385dba511657bc3796482

                    SHA256

                    bc2d1beca9fec4c4daf043782a18143490ba7afdbc428407e69cb55dc3cb595b

                    SHA512

                    cf0456d4aaa881f019d411f91b03627c75358613ff303e23155814383f6dee3754bb016ec7eccebe3ef4361e09e4d13cad749ba7f0806bd2111b135d64d70d1c

                  • C:\Users\Admin\AppData\Local\Temp\oELlPSZQ7nOf.bat
                    Filesize

                    207B

                    MD5

                    1e0ea9a2d4c0159b37e4728126f734a3

                    SHA1

                    61c790a6cf96360c0e13c48bbdd644fcb0857fe3

                    SHA256

                    2b0d9493abfa9ac8abc06e95a0e998d361451161179643b1da9785e8fe1e37a2

                    SHA512

                    e7f320969acb98d3b958e23e122470fd37e0daf71ed64c7294d2782bc8f928dc52dde92b7102722c30fa0ef922237869ddadcfe9dd3776ce24f901d35f162ae1

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

                    409KB

                    MD5

                    b70fdac25a99501e3cae11f1b775249e

                    SHA1

                    3c59226479bfdcd1b2927bcfb1a7516d4cb8dd71

                    SHA256

                    51ff3eb450a786c1aaa75ff889f2fd256412a7b75d04277fdf9fcccc20e57246

                    SHA512

                    43f0d5d6e5f0d5febba537c109ffdbc250bbb6e9725e635a43ec975b0353048eaeee50b6e9274cd5e072ea6b0cea32439bd37408b2528832f467f2075f74ca44

                  • memory/784-29-0x0000000000090000-0x00000000000FC000-memory.dmp
                    Filesize

                    432KB

                  • memory/808-53-0x0000000000160000-0x00000000001CC000-memory.dmp
                    Filesize

                    432KB

                  • memory/1292-113-0x0000000000E90000-0x0000000000EFC000-memory.dmp
                    Filesize

                    432KB

                  • memory/1412-77-0x0000000000FC0000-0x000000000102C000-memory.dmp
                    Filesize

                    432KB

                  • memory/1448-65-0x0000000000990000-0x00000000009FC000-memory.dmp
                    Filesize

                    432KB

                  • memory/1640-15-0x00000000745D0000-0x0000000074CBE000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/1640-3-0x00000000745DE000-0x00000000745DF000-memory.dmp
                    Filesize

                    4KB

                  • memory/1640-1-0x00000000008B0000-0x000000000091C000-memory.dmp
                    Filesize

                    432KB

                  • memory/1640-2-0x00000000745D0000-0x0000000074CBE000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/1640-4-0x00000000745D0000-0x0000000074CBE000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/1640-0-0x00000000745DE000-0x00000000745DF000-memory.dmp
                    Filesize

                    4KB

                  • memory/1668-89-0x0000000000380000-0x00000000003EC000-memory.dmp
                    Filesize

                    432KB

                  • memory/2324-41-0x0000000000810000-0x000000000087C000-memory.dmp
                    Filesize

                    432KB

                  • memory/2712-101-0x00000000002B0000-0x000000000031C000-memory.dmp
                    Filesize

                    432KB

                  • memory/2988-12-0x0000000000E90000-0x0000000000EFC000-memory.dmp
                    Filesize

                    432KB

                  • memory/2988-16-0x00000000745D0000-0x0000000074CBE000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2988-13-0x00000000745D0000-0x0000000074CBE000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2988-14-0x00000000745D0000-0x0000000074CBE000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2988-25-0x00000000745D0000-0x0000000074CBE000-memory.dmp
                    Filesize

                    6.9MB