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 (10) - 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 (10) - Copy.exe
    "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (10) - Copy.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (10) - Copy.exe" /rl HIGHEST /f
      2⤵
      • Creates scheduled task(s)
      PID:2580
    • 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:1808
      • 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:2868
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\rMYtyXpcd9xc.bat" "
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1200
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
            PID:1696
          • C:\Windows\SysWOW64\PING.EXE
            ping -n 10 localhost
            4⤵
            • Runs ping.exe
            PID:2452
          • 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:1724
            • 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:1676
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c ""C:\Users\Admin\AppData\Local\Temp\DA3O64fI4XEw.bat" "
              5⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:1960
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                6⤵
                  PID:1452
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  6⤵
                  • Runs ping.exe
                  PID:1348
                • 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:2264
                  • 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:2712
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd /c ""C:\Users\Admin\AppData\Local\Temp\CmEgFPjsq3qq.bat" "
                    7⤵
                    • Loads dropped DLL
                    PID:2540
                    • C:\Windows\SysWOW64\chcp.com
                      chcp 65001
                      8⤵
                        PID:2680
                      • C:\Windows\SysWOW64\PING.EXE
                        ping -n 10 localhost
                        8⤵
                        • Runs ping.exe
                        PID:2816
                      • 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:2648
                        • 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:2764
                        • C:\Windows\SysWOW64\cmd.exe
                          cmd /c ""C:\Users\Admin\AppData\Local\Temp\mC3jOa0LvhlL.bat" "
                          9⤵
                          • Loads dropped DLL
                          PID:1232
                          • C:\Windows\SysWOW64\chcp.com
                            chcp 65001
                            10⤵
                              PID:2600
                            • C:\Windows\SysWOW64\PING.EXE
                              ping -n 10 localhost
                              10⤵
                              • Runs ping.exe
                              PID:2892
                            • 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:1696
                              • 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:1060
                              • C:\Windows\SysWOW64\cmd.exe
                                cmd /c ""C:\Users\Admin\AppData\Local\Temp\wutdW1xTWeCS.bat" "
                                11⤵
                                • Loads dropped DLL
                                PID:1984
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 65001
                                  12⤵
                                    PID:1372
                                  • C:\Windows\SysWOW64\PING.EXE
                                    ping -n 10 localhost
                                    12⤵
                                    • Runs ping.exe
                                    PID:492
                                  • 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:764
                                    • 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:1044
                                    • C:\Windows\SysWOW64\cmd.exe
                                      cmd /c ""C:\Users\Admin\AppData\Local\Temp\YpsURNq1JG1s.bat" "
                                      13⤵
                                      • Loads dropped DLL
                                      PID:2664
                                      • C:\Windows\SysWOW64\chcp.com
                                        chcp 65001
                                        14⤵
                                          PID:2716
                                        • C:\Windows\SysWOW64\PING.EXE
                                          ping -n 10 localhost
                                          14⤵
                                          • Runs ping.exe
                                          PID:2108
                                        • 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:1536
                                          • 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:2756
                                          • C:\Windows\SysWOW64\cmd.exe
                                            cmd /c ""C:\Users\Admin\AppData\Local\Temp\mYW8NZxSQ1At.bat" "
                                            15⤵
                                            • Loads dropped DLL
                                            PID:2740
                                            • C:\Windows\SysWOW64\chcp.com
                                              chcp 65001
                                              16⤵
                                                PID:2760
                                              • C:\Windows\SysWOW64\PING.EXE
                                                ping -n 10 localhost
                                                16⤵
                                                • Runs ping.exe
                                                PID:2668
                                              • 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:1352
                                                • 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:2064
                                                • C:\Windows\SysWOW64\cmd.exe
                                                  cmd /c ""C:\Users\Admin\AppData\Local\Temp\pgey4rmQOILc.bat" "
                                                  17⤵
                                                  • Loads dropped DLL
                                                  PID:2480
                                                  • C:\Windows\SysWOW64\chcp.com
                                                    chcp 65001
                                                    18⤵
                                                      PID:2056
                                                    • C:\Windows\SysWOW64\PING.EXE
                                                      ping -n 10 localhost
                                                      18⤵
                                                      • Runs ping.exe
                                                      PID:308
                                                    • 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:1560
                    • C:\Windows\SysWOW64\SCHTASKS.exe
                      "SCHTASKS.exe" /create /tn "$77Uni - Copy (10) - Copy.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (10) - Copy.exe'" /sc onlogon /rl HIGHEST
                      2⤵
                      • Creates scheduled task(s)
                      PID:2148

                  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\CmEgFPjsq3qq.bat
                    Filesize

                    207B

                    MD5

                    fdfc67bedec0dbad7660438161c303a8

                    SHA1

                    88e866a3c4820ce482322ac0dd2518f33fef0d41

                    SHA256

                    33723c6e0ddef8c60fa0ece25a1388cf75f619eea3c2d7a131d445f379cb9321

                    SHA512

                    6a9e311d7dc3f79ff0e9d501406a8d871f696a45ff0b8f2bc8d8ac10399eaffdec4ce94e288e366246dc81088b746e08da8ee402905fc892adcd51bad1fbd800

                  • C:\Users\Admin\AppData\Local\Temp\DA3O64fI4XEw.bat
                    Filesize

                    207B

                    MD5

                    51a815b00fe94f69bd76bd0f61248417

                    SHA1

                    e3ac38e59c23074f95c7e1b5d7deb7cb324d2c52

                    SHA256

                    b5ee7a7126c546b27c5fdc23665e9ab53c0795299260ecce1e0f140e363bad66

                    SHA512

                    477ce2832c1b99e36c6ba1275f8da2d7de7b6f9ad1c5e6c7d8f01b4bda90df7fd902c69908dc854e483871784a92a33d0a4dad6ad24b275542cc959db45cacd2

                  • C:\Users\Admin\AppData\Local\Temp\YpsURNq1JG1s.bat
                    Filesize

                    207B

                    MD5

                    7f3a191b8c3d22e19506787aafeb7f8f

                    SHA1

                    b98fb3f9edd072f138a8acdf66cd061db76b9b7c

                    SHA256

                    333d8c988f6a4cd810c82d593b4c05815496543f2609668bea582b9bfb471a50

                    SHA512

                    f44c8a3f07232f52d79cc023eae8128624fcba14888f8d9eb03e5435db45dbdc1c3ce7e5f511e931cf86ffae3dc3f43973f796d37760274641046ab7f0a30a61

                  • C:\Users\Admin\AppData\Local\Temp\mC3jOa0LvhlL.bat
                    Filesize

                    207B

                    MD5

                    f5e683ecfad0d17d02d3d4c5d9ea3c10

                    SHA1

                    b44c2197a7f98bed3a0b5a6d348a1a1d350f0ed5

                    SHA256

                    9243ba81655999153063744af35268d4e759a307607563be15bd538393c1c289

                    SHA512

                    58aa29056214d76105d08cef53b4c884159eb48d2d9ea39c9c0b2bbf24725eb913250a53f55b65e81e630e9bc2dcc5af77e295adffb08db68371f84775dfbb41

                  • C:\Users\Admin\AppData\Local\Temp\mYW8NZxSQ1At.bat
                    Filesize

                    207B

                    MD5

                    faf29efa261450b69f98635622439638

                    SHA1

                    38f9589772b1db1db5a37633e2bf68f7984b0f57

                    SHA256

                    4df8dcc446b2d8b535275cf29432b03df2153ba4fbf0932a64a06aae2ef587e1

                    SHA512

                    4563595d5b9148fb74ffa2ccdf27e2a7f0f08e23b0109ae22e823f91b2b752fc17a45d46c9b632079801aab760412a91b330e5609968372f1ddaae7ea207ba4d

                  • C:\Users\Admin\AppData\Local\Temp\pgey4rmQOILc.bat
                    Filesize

                    207B

                    MD5

                    7b5159ce7589237fecb6bb065d83cb41

                    SHA1

                    0109b430745ed9551e56d337fc33109e45dd6387

                    SHA256

                    7680071c094eaa0a47a63e6782d2956ed54901784f354b6e4365363b5ef78203

                    SHA512

                    4e8a1ddc7824f3f761006ad55ba69fac77e6d8b89fadbd8db7679e947ce5f3078ec57ec3065a558db7212efc81a714b7648b3baba8b5e39f8e00b45695f60d3b

                  • C:\Users\Admin\AppData\Local\Temp\rMYtyXpcd9xc.bat
                    Filesize

                    207B

                    MD5

                    4a602d6298ea523f43f8ffb0f7f0875f

                    SHA1

                    b3d1bd4674ad296f447e22387d420a15f81dafd7

                    SHA256

                    056ee8526479322965d4f35ea266f9dda2bb4050032822fc9e24d0772540c1eb

                    SHA512

                    4c54dad3cfadb4d162c416414ef69a5b2bad9d5531c0b0bcc56e9347e97cb37e4c3287f1a6702ea58c6ce567fa36682ef61e8c62f5bec406534ebf3819bb684f

                  • C:\Users\Admin\AppData\Local\Temp\wutdW1xTWeCS.bat
                    Filesize

                    207B

                    MD5

                    0a9362612ce81435e096aa7c39115f61

                    SHA1

                    8ed8cee0535324829272411c24a6b5a3ef66ccab

                    SHA256

                    63ee9ca225227cdb53870a469a230015629cbb0f44e8b6560fc08c03b43a3b68

                    SHA512

                    2eaa1229941a31619df46c0c0ee934c5c76a18f8e2f5bfef56e6d98ed65cee0b77c13894f928a067cc34de92b12e1c008161aa5b27c389f66a233b6028f02876

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

                    409KB

                    MD5

                    b70fdac25a99501e3cae11f1b775249e

                    SHA1

                    3c59226479bfdcd1b2927bcfb1a7516d4cb8dd71

                    SHA256

                    51ff3eb450a786c1aaa75ff889f2fd256412a7b75d04277fdf9fcccc20e57246

                    SHA512

                    43f0d5d6e5f0d5febba537c109ffdbc250bbb6e9725e635a43ec975b0353048eaeee50b6e9274cd5e072ea6b0cea32439bd37408b2528832f467f2075f74ca44

                  • memory/764-77-0x00000000003C0000-0x000000000042C000-memory.dmp
                    Filesize

                    432KB

                  • memory/1352-101-0x0000000000A80000-0x0000000000AEC000-memory.dmp
                    Filesize

                    432KB

                  • memory/1536-89-0x0000000000230000-0x000000000029C000-memory.dmp
                    Filesize

                    432KB

                  • memory/1560-113-0x0000000000E70000-0x0000000000EDC000-memory.dmp
                    Filesize

                    432KB

                  • memory/1696-65-0x00000000012F0000-0x000000000135C000-memory.dmp
                    Filesize

                    432KB

                  • memory/1724-29-0x0000000000310000-0x000000000037C000-memory.dmp
                    Filesize

                    432KB

                  • memory/1808-12-0x0000000001120000-0x000000000118C000-memory.dmp
                    Filesize

                    432KB

                  • memory/1808-13-0x0000000074730000-0x0000000074E1E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/1808-16-0x0000000074730000-0x0000000074E1E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/1808-14-0x0000000074730000-0x0000000074E1E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/1808-26-0x0000000074730000-0x0000000074E1E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2032-4-0x0000000074730000-0x0000000074E1E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2032-0-0x000000007473E000-0x000000007473F000-memory.dmp
                    Filesize

                    4KB

                  • memory/2032-3-0x000000007473E000-0x000000007473F000-memory.dmp
                    Filesize

                    4KB

                  • memory/2032-2-0x0000000074730000-0x0000000074E1E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2032-1-0x00000000010E0000-0x000000000114C000-memory.dmp
                    Filesize

                    432KB

                  • memory/2032-15-0x0000000074730000-0x0000000074E1E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2264-41-0x0000000000990000-0x00000000009FC000-memory.dmp
                    Filesize

                    432KB

                  • memory/2648-53-0x00000000012F0000-0x000000000135C000-memory.dmp
                    Filesize

                    432KB