Analysis

  • max time kernel
    596s
  • max time network
    601s
  • 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 (14) - 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 (14) - Copy - Copy.exe
    "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (14) - Copy - Copy.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (14) - Copy - Copy.exe" /rl HIGHEST /f
      2⤵
      • Creates scheduled task(s)
      PID:3020
    • 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:1532
      • 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:2832
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\TJtDdnbjfa6p.bat" "
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1624
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
            PID:1620
          • C:\Windows\SysWOW64\PING.EXE
            ping -n 10 localhost
            4⤵
            • Runs ping.exe
            PID:1192
          • 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:2936
            • 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\Rv3Vm9fJQ5hj.bat" "
              5⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:1932
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                6⤵
                  PID:2152
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  6⤵
                  • Runs ping.exe
                  PID:696
                • 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:2128
                  • 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:2748
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd /c ""C:\Users\Admin\AppData\Local\Temp\CvtFurH6WKfS.bat" "
                    7⤵
                    • Loads dropped DLL
                    PID:2884
                    • C:\Windows\SysWOW64\chcp.com
                      chcp 65001
                      8⤵
                        PID:2372
                      • C:\Windows\SysWOW64\PING.EXE
                        ping -n 10 localhost
                        8⤵
                        • Runs ping.exe
                        PID:1436
                      • 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:3048
                        • 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:1852
                        • C:\Windows\SysWOW64\cmd.exe
                          cmd /c ""C:\Users\Admin\AppData\Local\Temp\AX4X3CLfIqGM.bat" "
                          9⤵
                          • Loads dropped DLL
                          PID:2076
                          • C:\Windows\SysWOW64\chcp.com
                            chcp 65001
                            10⤵
                              PID:1688
                            • C:\Windows\SysWOW64\PING.EXE
                              ping -n 10 localhost
                              10⤵
                              • Runs ping.exe
                              PID:300
                            • 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:2872
                              • 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:1684
                              • C:\Windows\SysWOW64\cmd.exe
                                cmd /c ""C:\Users\Admin\AppData\Local\Temp\VqPEQXZG2Gel.bat" "
                                11⤵
                                • Loads dropped DLL
                                PID:1368
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 65001
                                  12⤵
                                    PID:772
                                  • C:\Windows\SysWOW64\PING.EXE
                                    ping -n 10 localhost
                                    12⤵
                                    • Runs ping.exe
                                    PID:1528
                                  • 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:1540
                                    • 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:2648
                                    • C:\Windows\SysWOW64\cmd.exe
                                      cmd /c ""C:\Users\Admin\AppData\Local\Temp\ufjULoZGzSdy.bat" "
                                      13⤵
                                      • Loads dropped DLL
                                      PID:2644
                                      • C:\Windows\SysWOW64\chcp.com
                                        chcp 65001
                                        14⤵
                                          PID:1000
                                        • C:\Windows\SysWOW64\PING.EXE
                                          ping -n 10 localhost
                                          14⤵
                                          • Runs ping.exe
                                          PID:2908
                                        • 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:2248
                                          • 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:2268
                                          • C:\Windows\SysWOW64\cmd.exe
                                            cmd /c ""C:\Users\Admin\AppData\Local\Temp\jgNyFGLMbUIa.bat" "
                                            15⤵
                                            • Loads dropped DLL
                                            PID:2812
                                            • C:\Windows\SysWOW64\chcp.com
                                              chcp 65001
                                              16⤵
                                                PID:1576
                                              • C:\Windows\SysWOW64\PING.EXE
                                                ping -n 10 localhost
                                                16⤵
                                                • Runs ping.exe
                                                PID:2816
                                              • 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:2836
                                                • 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:2092
                                                • C:\Windows\SysWOW64\cmd.exe
                                                  cmd /c ""C:\Users\Admin\AppData\Local\Temp\VCsdOWVOWa3I.bat" "
                                                  17⤵
                                                  • Loads dropped DLL
                                                  PID:1780
                                                  • C:\Windows\SysWOW64\chcp.com
                                                    chcp 65001
                                                    18⤵
                                                      PID:2476
                                                    • C:\Windows\SysWOW64\PING.EXE
                                                      ping -n 10 localhost
                                                      18⤵
                                                      • Runs ping.exe
                                                      PID:828
                                                    • 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:2228
                    • C:\Windows\SysWOW64\SCHTASKS.exe
                      "SCHTASKS.exe" /create /tn "$77Uni - Copy (14) - Copy - Copy.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (14) - Copy - Copy.exe'" /sc onlogon /rl HIGHEST
                      2⤵
                      • Creates scheduled task(s)
                      PID:1968

                  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\AX4X3CLfIqGM.bat
                    Filesize

                    207B

                    MD5

                    76b8f74f4d673ff1a6fff17d1953b8a4

                    SHA1

                    04d978eefa78b71ea8949b25c3da6ca5d4dc6bfb

                    SHA256

                    349fb1075c822e9b5f3ffe58602245ecdd518a30e96e76ba6e0765a8dc40a57a

                    SHA512

                    52bd3b680beaa33c15a84bdd8d365029fead4f41729253819ca3f63a63f7b91a3ae0f1abbbbef03afbd9998b2d38b0e7227e5cd6979ec2737c6eb8a1ba7ef177

                  • C:\Users\Admin\AppData\Local\Temp\CvtFurH6WKfS.bat
                    Filesize

                    207B

                    MD5

                    4dd5e64d09c6e76e4067db83f56ca86c

                    SHA1

                    7ddfd15f52564a4a7bff62e8a07f700a0cf79649

                    SHA256

                    051d704b172e438277eba4fb3568b61d6e2ec0a1224bc28e0a1ed95ad30a5775

                    SHA512

                    16ed73e1d8c1382733f1ec83c5314817f8e972ca669820545d2b3e1b0a4f85a057670e055fc10f8afff7fcaae1eb30e65d67ebed860ad9bda85bba2c667dd14d

                  • C:\Users\Admin\AppData\Local\Temp\Rv3Vm9fJQ5hj.bat
                    Filesize

                    207B

                    MD5

                    c5b8212478157f8b6e7a6abb96342240

                    SHA1

                    9dce1c635b8da437046386463cdfff1b9cb3a4b9

                    SHA256

                    d2ac9ab0dea321ab1de373163bc0befca4b00398cc0be46324735febcdc10e7b

                    SHA512

                    4f3926e207cc78d7dac65c5fe8e0c963516a1820f290fad5acb38aa2c8c894c0a3006ff8751597ccc4f42f09e25f1d8ade67e04ce95b63d307c0a30623ed1b59

                  • C:\Users\Admin\AppData\Local\Temp\TJtDdnbjfa6p.bat
                    Filesize

                    207B

                    MD5

                    ef9e820d1bc931139e884fc3e9bb99eb

                    SHA1

                    a4d8acd318bf2ec50e142676fc26375b91b6cc6f

                    SHA256

                    079c168288b92524db99a431cd98b77a30decb0ecdf30302f4d6242dc5e0f4ec

                    SHA512

                    2d5e958f25b7386f5cbd8497a45ab0f0898d30f62ae4dbdfdd675940b24c5b97b123c6f0987ecf1ff0a2eda945ed7d035ee8000810d32e4681a20ecf03ca258d

                  • C:\Users\Admin\AppData\Local\Temp\VCsdOWVOWa3I.bat
                    Filesize

                    207B

                    MD5

                    6e0d73c9f529fad93e1df12dfc5360d8

                    SHA1

                    c0acc18ff5ce0c0d3c14bed6ad18a03d387bb772

                    SHA256

                    d3b4d40e56674f21a03b37d2e780007fdf232e4ad5d5e82fb0546c724d71b038

                    SHA512

                    7b6859e936bdc1f7c2385cc452b2d965c1f5198335f34250ce208b642fd0b2eeee82ca40830d6b5ce5dea7cd49560e833dda831e6bd4e4bc5c8f5f1645731e32

                  • C:\Users\Admin\AppData\Local\Temp\VqPEQXZG2Gel.bat
                    Filesize

                    207B

                    MD5

                    38937764122e6edf78304a231448e6eb

                    SHA1

                    e8250db8994990fb9371c391007302b982b35b14

                    SHA256

                    b2dd94bd8592f4d991198dae3cc1653a79a34c294e1b216e1875a98c703f77b2

                    SHA512

                    4ef16220fc8e2d75aa54680b145d4acc07c466596f7acecc94ea74334766fa2d22b9659ffcd609ed493c10e8ff7a29e5e55909d1ca444cc0c7b5a476b5ff5360

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

                    207B

                    MD5

                    baa2c18f8c919e93a3e701f264f071ea

                    SHA1

                    51410f8f2d52c59c613c17c506da516165f270d9

                    SHA256

                    5f37aab55e19dd5f734b42b73cd354ab3e81ed73dab96315eb608483722cb5e1

                    SHA512

                    1d09c17bfdda20396e4a19ae913fdd565e14fe7b02d608e7800ae1f3658ab1bf10943dadb1cf29c62c0b9f19bb9ad2f8ab200fb741a1fe7a22ab6c5d564c66bf

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

                    207B

                    MD5

                    d05aababc7c13a0459415c3745e2bb63

                    SHA1

                    1b64a937383160825dc3f87b1a6e981913fcb4f9

                    SHA256

                    121f17422d4251ef4cb6259a8648bac591645a5570b6c4380a415530a6f87b1f

                    SHA512

                    e8b7187d3c07a510e64a2cbca98cb1f81991f5768fbfc4514240a766180df097d64886bcfa9a069f5a6e6479abe5d85e8778847696afe969ca22784f6c88eccc

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

                    409KB

                    MD5

                    b70fdac25a99501e3cae11f1b775249e

                    SHA1

                    3c59226479bfdcd1b2927bcfb1a7516d4cb8dd71

                    SHA256

                    51ff3eb450a786c1aaa75ff889f2fd256412a7b75d04277fdf9fcccc20e57246

                    SHA512

                    43f0d5d6e5f0d5febba537c109ffdbc250bbb6e9725e635a43ec975b0353048eaeee50b6e9274cd5e072ea6b0cea32439bd37408b2528832f467f2075f74ca44

                  • memory/1532-13-0x0000000074560000-0x0000000074C4E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/1532-12-0x00000000009E0000-0x0000000000A4C000-memory.dmp
                    Filesize

                    432KB

                  • memory/1532-16-0x0000000074560000-0x0000000074C4E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/1532-25-0x0000000074560000-0x0000000074C4E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/1532-14-0x0000000074560000-0x0000000074C4E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/1540-77-0x0000000000E20000-0x0000000000E8C000-memory.dmp
                    Filesize

                    432KB

                  • memory/2128-41-0x0000000001030000-0x000000000109C000-memory.dmp
                    Filesize

                    432KB

                  • memory/2220-2-0x0000000074560000-0x0000000074C4E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2220-0-0x000000007456E000-0x000000007456F000-memory.dmp
                    Filesize

                    4KB

                  • memory/2220-15-0x0000000074560000-0x0000000074C4E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2220-1-0x0000000000FD0000-0x000000000103C000-memory.dmp
                    Filesize

                    432KB

                  • memory/2220-4-0x0000000074560000-0x0000000074C4E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2220-3-0x000000007456E000-0x000000007456F000-memory.dmp
                    Filesize

                    4KB

                  • memory/2228-113-0x0000000000FE0000-0x000000000104C000-memory.dmp
                    Filesize

                    432KB

                  • memory/2248-89-0x0000000000200000-0x000000000026C000-memory.dmp
                    Filesize

                    432KB

                  • memory/2836-101-0x0000000000A80000-0x0000000000AEC000-memory.dmp
                    Filesize

                    432KB

                  • memory/2872-65-0x0000000000370000-0x00000000003DC000-memory.dmp
                    Filesize

                    432KB

                  • memory/2936-29-0x00000000000D0000-0x000000000013C000-memory.dmp
                    Filesize

                    432KB

                  • memory/3048-53-0x0000000000110000-0x000000000017C000-memory.dmp
                    Filesize

                    432KB