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 (100) - 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 7 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 (100) - Copy - Copy.exe
    "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (100) - Copy - Copy.exe"
    1⤵
    • Loads dropped DLL
    • 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\Local\Temp\uni\Uni - Copy (100) - Copy - Copy.exe" /rl HIGHEST /f
      2⤵
      • Creates scheduled task(s)
      PID:2520
    • 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:1636
      • 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:2364
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\sADVVufWFxWI.bat" "
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2688
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
            PID:2328
          • C:\Windows\SysWOW64\PING.EXE
            ping -n 10 localhost
            4⤵
            • Runs ping.exe
            PID:1208
          • 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:332
            • 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:1524
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c ""C:\Users\Admin\AppData\Local\Temp\zrFfrbRKK5GV.bat" "
              5⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:1084
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                6⤵
                  PID:2888
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  6⤵
                  • Runs ping.exe
                  PID:1460
                • 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:1820
                  • 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:1952
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd /c ""C:\Users\Admin\AppData\Local\Temp\VGGzE1YTuwU6.bat" "
                    7⤵
                    • Loads dropped DLL
                    PID:2636
                    • C:\Windows\SysWOW64\chcp.com
                      chcp 65001
                      8⤵
                        PID:3068
                      • C:\Windows\SysWOW64\PING.EXE
                        ping -n 10 localhost
                        8⤵
                        • Runs ping.exe
                        PID:1960
                      • 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:1512
                        • 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:2180
                        • C:\Windows\SysWOW64\cmd.exe
                          cmd /c ""C:\Users\Admin\AppData\Local\Temp\s4lVMYO9LJlP.bat" "
                          9⤵
                          • Loads dropped DLL
                          PID:1256
                          • C:\Windows\SysWOW64\chcp.com
                            chcp 65001
                            10⤵
                              PID:2696
                            • C:\Windows\SysWOW64\PING.EXE
                              ping -n 10 localhost
                              10⤵
                              • Runs ping.exe
                              PID:1684
                            • 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:1764
                              • 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:1772
                              • C:\Windows\SysWOW64\cmd.exe
                                cmd /c ""C:\Users\Admin\AppData\Local\Temp\qgvmVuSj6pNK.bat" "
                                11⤵
                                • Loads dropped DLL
                                PID:1408
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 65001
                                  12⤵
                                    PID:1544
                                  • C:\Windows\SysWOW64\PING.EXE
                                    ping -n 10 localhost
                                    12⤵
                                    • Runs ping.exe
                                    PID:992
                                  • 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:2316
                                    • 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:1872
                                    • C:\Windows\SysWOW64\cmd.exe
                                      cmd /c ""C:\Users\Admin\AppData\Local\Temp\hiO0C6O9Egjq.bat" "
                                      13⤵
                                      • Loads dropped DLL
                                      PID:2600
                                      • C:\Windows\SysWOW64\chcp.com
                                        chcp 65001
                                        14⤵
                                          PID:2752
                                        • C:\Windows\SysWOW64\PING.EXE
                                          ping -n 10 localhost
                                          14⤵
                                          • Runs ping.exe
                                          PID:2504
                                        • 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:2632
                                          • 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:2796
                                          • C:\Windows\SysWOW64\cmd.exe
                                            cmd /c ""C:\Users\Admin\AppData\Local\Temp\52YRMBm4Uuo9.bat" "
                                            15⤵
                                            • Loads dropped DLL
                                            PID:1964
                                            • C:\Windows\SysWOW64\chcp.com
                                              chcp 65001
                                              16⤵
                                                PID:1484
                                              • C:\Windows\SysWOW64\PING.EXE
                                                ping -n 10 localhost
                                                16⤵
                                                • Runs ping.exe
                                                PID:2628
                                              • 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:1232
                                                • 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:1836
                                                • C:\Windows\SysWOW64\cmd.exe
                                                  cmd /c ""C:\Users\Admin\AppData\Local\Temp\2ayCcKUspWkT.bat" "
                                                  17⤵
                                                  • Loads dropped DLL
                                                  PID:1732
                                                  • C:\Windows\SysWOW64\chcp.com
                                                    chcp 65001
                                                    18⤵
                                                      PID:448
                                                    • C:\Windows\SysWOW64\PING.EXE
                                                      ping -n 10 localhost
                                                      18⤵
                                                      • Runs ping.exe
                                                      PID:1096
                                                    • 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:2380
                    • C:\Windows\SysWOW64\SCHTASKS.exe
                      "SCHTASKS.exe" /create /tn "$77Uni - Copy (100) - Copy - Copy.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (100) - Copy - Copy.exe'" /sc onlogon /rl HIGHEST
                      2⤵
                      • Creates scheduled task(s)
                      PID:2156

                  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\2ayCcKUspWkT.bat
                    Filesize

                    207B

                    MD5

                    0b4500202563fcffbcd991fd614a9ab5

                    SHA1

                    c4b14b3df095c69687b18bda7f86637fa312be97

                    SHA256

                    70f7dfb9e35d0d9dae1da9ed31bf9d843801ab07a18bfb22870f6dc57f1e6e94

                    SHA512

                    d20e0e235d84ff748f0f356ec749bda82a29d049eec6eb9a589f0f96a19316a6ab696aa8e92bf6d0679a281a40d5f29f0361311e59ff0952debd41d41e68f77a

                  • C:\Users\Admin\AppData\Local\Temp\52YRMBm4Uuo9.bat
                    Filesize

                    207B

                    MD5

                    cdb812d1ea5827e8bc70da24058655c5

                    SHA1

                    11acef92bb12278b8610bf2583cb894df375c522

                    SHA256

                    2f836e0a084086134def59363a6e627e00def7044fd5c3be2248c004da5b76fa

                    SHA512

                    9169f61373288c74f2686b71625d928ac216fb357ae0464d327b7fc80ee32a4f4622ddf6b05880f27ad507536bf5eb1bad89ae43267f69a1db6c2c059b7734eb

                  • C:\Users\Admin\AppData\Local\Temp\VGGzE1YTuwU6.bat
                    Filesize

                    207B

                    MD5

                    1cbfe735f208063f2edd8554c18268ed

                    SHA1

                    2e7d0b6c926f1f7262b0d92b4259b1d01bff642d

                    SHA256

                    ea51aa882ffd3fd202182ba9217dd41c63ac5763a61b3bd0a0c39590f7dc5b28

                    SHA512

                    e1cf2d854635a3b36da6b1ff48eebb08698d5f2fd43df69abe975ea1139b14caa3204e03221f94cab567b11f9bf4015ae914f73def15dc46a581f2a53730040f

                  • C:\Users\Admin\AppData\Local\Temp\hiO0C6O9Egjq.bat
                    Filesize

                    207B

                    MD5

                    51464b5bf97c5dd5aaf742bc7f3e101e

                    SHA1

                    e8924997a0819e72a2fd0ddefebe1a552ad307ce

                    SHA256

                    7adf0988371faba58ffbbb554a7271c07ae3f24cadaa1dbc5731ecc130735c10

                    SHA512

                    5f543541c0c1a5c5e466a9d023c4323b97828d948187870a2e2a80e84ea19c13a8f6d8161bcf1ad21f5b80df932a06fdb17b2feb2029ba6f61f356eb8525d8df

                  • C:\Users\Admin\AppData\Local\Temp\qgvmVuSj6pNK.bat
                    Filesize

                    207B

                    MD5

                    eccb913cc2fa8de35527af2fdd457f27

                    SHA1

                    91beb3025632f1697b2fccd92acce36fd20b01d6

                    SHA256

                    8a4cc434861e7dd861616e07571925ba51267647de1ee20e867b234a8f932430

                    SHA512

                    a3dc5d947e905c1157afd44c27cc75ef6be58ec9080ca65358dd89597a0b645199b7ecd7b465412b0b56e8f6d37b96ba5f0d61939d297bd67bf50b48f7538d9b

                  • C:\Users\Admin\AppData\Local\Temp\s4lVMYO9LJlP.bat
                    Filesize

                    207B

                    MD5

                    3234f24b331cf0561b4647a0b3831075

                    SHA1

                    c3170bbe5a78913d9fd2437cb7ec195cebd52340

                    SHA256

                    3e90508b0e251988bdb143b25865eb236e3d60d29d7c42e37f59caba7e046bb7

                    SHA512

                    89221d7b777cb8f780908defbd1d729f7051e5770cf89589acdf0517a80b5cc0fb6cb992591b0683021e00cea2810d185f3cca94c54cfc7d59741edb29487e4b

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

                    207B

                    MD5

                    30a94107738ee27a6ba761241dfe33ff

                    SHA1

                    1c4a1e807fa0a3d70b275df8b4dc08862cbb31e3

                    SHA256

                    b34da337979645b74588aad65e4c7c3d9d2b325dc79c67fda8653d01319611b1

                    SHA512

                    0909a4f776cb9cba28a894d4705fe943f5f94da22d962ca776177b271125e4cb0d0260f34cbfc4bd51de899e637df977d78551f177772d36a66b261eaf4db90c

                  • C:\Users\Admin\AppData\Local\Temp\zrFfrbRKK5GV.bat
                    Filesize

                    207B

                    MD5

                    8f1a33081cf8970e3fc5c3aed978ee85

                    SHA1

                    fcc6396c3aa7bb49f3542057220409a1c3a92aaf

                    SHA256

                    875857ee899e2d1e65a0c4e01935ae814ae835bce92242fae79f90db6d47ac51

                    SHA512

                    4a11bb24fb8d09aa35827a911d1ddf88c1249fd1e8779fa71d064f2e59c9792312160aed25f4119a039d1458208cecf62a250e05dfe9143ecbf74b006a966746

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

                    409KB

                    MD5

                    b70fdac25a99501e3cae11f1b775249e

                    SHA1

                    3c59226479bfdcd1b2927bcfb1a7516d4cb8dd71

                    SHA256

                    51ff3eb450a786c1aaa75ff889f2fd256412a7b75d04277fdf9fcccc20e57246

                    SHA512

                    43f0d5d6e5f0d5febba537c109ffdbc250bbb6e9725e635a43ec975b0353048eaeee50b6e9274cd5e072ea6b0cea32439bd37408b2528832f467f2075f74ca44

                  • memory/332-29-0x00000000013B0000-0x000000000141C000-memory.dmp
                    Filesize

                    432KB

                  • memory/1232-97-0x0000000000120000-0x000000000018C000-memory.dmp
                    Filesize

                    432KB

                  • memory/1636-12-0x0000000000D40000-0x0000000000DAC000-memory.dmp
                    Filesize

                    432KB

                  • memory/1636-25-0x0000000074460000-0x0000000074B4E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/1636-16-0x0000000074460000-0x0000000074B4E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/1636-14-0x0000000074460000-0x0000000074B4E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/1636-13-0x0000000074460000-0x0000000074B4E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/1820-41-0x00000000013B0000-0x000000000141C000-memory.dmp
                    Filesize

                    432KB

                  • memory/1924-15-0x0000000074460000-0x0000000074B4E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/1924-0-0x000000007446E000-0x000000007446F000-memory.dmp
                    Filesize

                    4KB

                  • memory/1924-4-0x0000000074460000-0x0000000074B4E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/1924-3-0x000000007446E000-0x000000007446F000-memory.dmp
                    Filesize

                    4KB

                  • memory/1924-2-0x0000000074460000-0x0000000074B4E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/1924-1-0x0000000000C20000-0x0000000000C8C000-memory.dmp
                    Filesize

                    432KB

                  • memory/2380-109-0x0000000000D60000-0x0000000000DCC000-memory.dmp
                    Filesize

                    432KB