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 (15) - Copy - 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 (15) - Copy - Copy - Copy.exe
    "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (15) - Copy - Copy - Copy.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2108
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (15) - Copy - Copy - Copy.exe" /rl HIGHEST /f
      2⤵
      • Creates scheduled task(s)
      PID:2732
    • 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:2560
      • 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:2544
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\jgwb6Mhy1ZL1.bat" "
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1556
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
            PID:1760
          • C:\Windows\SysWOW64\PING.EXE
            ping -n 10 localhost
            4⤵
            • Runs ping.exe
            PID:2504
          • 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:2788
            • 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:1812
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c ""C:\Users\Admin\AppData\Local\Temp\eHI9SxaEGHF1.bat" "
              5⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:2276
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                6⤵
                  PID:2300
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  6⤵
                  • Runs ping.exe
                  PID:1368
                • 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:2996
                  • 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:1564
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd /c ""C:\Users\Admin\AppData\Local\Temp\xWuKw5T4anyq.bat" "
                    7⤵
                    • Loads dropped DLL
                    PID:1344
                    • C:\Windows\SysWOW64\chcp.com
                      chcp 65001
                      8⤵
                        PID:2568
                      • C:\Windows\SysWOW64\PING.EXE
                        ping -n 10 localhost
                        8⤵
                        • Runs ping.exe
                        PID:2696
                      • 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:2948
                        • 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:2092
                        • C:\Windows\SysWOW64\cmd.exe
                          cmd /c ""C:\Users\Admin\AppData\Local\Temp\UvveJVaEAdCS.bat" "
                          9⤵
                          • Loads dropped DLL
                          PID:288
                          • C:\Windows\SysWOW64\chcp.com
                            chcp 65001
                            10⤵
                              PID:1196
                            • C:\Windows\SysWOW64\PING.EXE
                              ping -n 10 localhost
                              10⤵
                              • Runs ping.exe
                              PID:800
                            • 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:1800
                              • 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:2336
                              • C:\Windows\SysWOW64\cmd.exe
                                cmd /c ""C:\Users\Admin\AppData\Local\Temp\SX6vRrdnv9nM.bat" "
                                11⤵
                                • Loads dropped DLL
                                PID:2976
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 65001
                                  12⤵
                                    PID:928
                                  • C:\Windows\SysWOW64\PING.EXE
                                    ping -n 10 localhost
                                    12⤵
                                    • Runs ping.exe
                                    PID:844
                                  • 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:668
                                    • 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:1944
                                    • C:\Windows\SysWOW64\cmd.exe
                                      cmd /c ""C:\Users\Admin\AppData\Local\Temp\pLbRaNTTMX5f.bat" "
                                      13⤵
                                      • Loads dropped DLL
                                      PID:1256
                                      • C:\Windows\SysWOW64\chcp.com
                                        chcp 65001
                                        14⤵
                                          PID:2476
                                        • C:\Windows\SysWOW64\PING.EXE
                                          ping -n 10 localhost
                                          14⤵
                                          • Runs ping.exe
                                          PID:2940
                                        • 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:1348
                                          • 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:2164
                                          • C:\Windows\SysWOW64\cmd.exe
                                            cmd /c ""C:\Users\Admin\AppData\Local\Temp\kOsO4KaD0C85.bat" "
                                            15⤵
                                            • Loads dropped DLL
                                            PID:2212
                                            • C:\Windows\SysWOW64\chcp.com
                                              chcp 65001
                                              16⤵
                                                PID:2480
                                              • C:\Windows\SysWOW64\PING.EXE
                                                ping -n 10 localhost
                                                16⤵
                                                • Runs ping.exe
                                                PID:2720
                                              • 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:2656
                                                • 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:1492
                                                • C:\Windows\SysWOW64\cmd.exe
                                                  cmd /c ""C:\Users\Admin\AppData\Local\Temp\WuN4DakEvHtn.bat" "
                                                  17⤵
                                                  • Loads dropped DLL
                                                  PID:1952
                                                  • C:\Windows\SysWOW64\chcp.com
                                                    chcp 65001
                                                    18⤵
                                                      PID:448
                                                    • C:\Windows\SysWOW64\PING.EXE
                                                      ping -n 10 localhost
                                                      18⤵
                                                      • Runs ping.exe
                                                      PID:1036
                                                    • 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:2000
                    • C:\Windows\SysWOW64\SCHTASKS.exe
                      "SCHTASKS.exe" /create /tn "$77Uni - Copy (15) - Copy - Copy - Copy.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (15) - Copy - Copy - Copy.exe'" /sc onlogon /rl HIGHEST
                      2⤵
                      • Creates scheduled task(s)
                      PID:1824

                  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\SX6vRrdnv9nM.bat
                    Filesize

                    207B

                    MD5

                    d721790c36afc1e1f42006e9ba587d0e

                    SHA1

                    9bc7a6e081d475294ef3f6b8719d787304adc9f0

                    SHA256

                    2f500e5dab9ab1ad149209611fb0654f6dcc209e41be05968338da9cc8cc8f6b

                    SHA512

                    222cf9d3bc700bb01f5bdbc18fbb3a73c94031ef677a228e5e716a027a835901f88b4d2c0ba65ac0e224c3e72691728a2ba62ca5f0221940c6200f0e3c6db654

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

                    207B

                    MD5

                    25d67cfaef845abf2b26e7e5c5494e55

                    SHA1

                    ad9fe6cff6977f2e14fc173f24c84cf2c5bc9be9

                    SHA256

                    842fa72dfff209814fbe57c1925b8dab100863e1f25087f90fb9eacb3514cf61

                    SHA512

                    9e099393f0bb9bc97bdd16daeeaaeccb8299d3f50abd867aee34b0d6701479a686909c3ff294070cfbf94138a1d866a81b12adb71f6198d46eac986105051199

                  • C:\Users\Admin\AppData\Local\Temp\WuN4DakEvHtn.bat
                    Filesize

                    207B

                    MD5

                    6727cec2521cb7f089659be0c4fed113

                    SHA1

                    0abd4dfec1ae70cb213bbb224e9a54be769eea62

                    SHA256

                    a64dc9875a7c7f50f02e03fce806b6ba4d7e3a01f70c6be14df7b3bf7cfbc1d9

                    SHA512

                    c2f0956a1d56641c1431e6155e98274616f1417a556154514cca88853c95306f043f2a7ac1fa595501a2cc625a53dad02013c72c8c7edbe67fe62de285ba8543

                  • C:\Users\Admin\AppData\Local\Temp\eHI9SxaEGHF1.bat
                    Filesize

                    207B

                    MD5

                    bbeaccb93dcf3b396b7e00b9eba0933b

                    SHA1

                    95f427ffe7b6c41f8abeb9b1b29ba85f982a47bc

                    SHA256

                    535b06468318bb70571205f41c8981dade8827bf079d0ba77afe19086517aa0b

                    SHA512

                    d3bcb8eb52c2f576c58f2964521783eaacd96cb2dbab237bf089091effeb9cfd894728f48674c676c8be8df6b9e4158c5c3e24df96524daaca41c0b1eba9cc0f

                  • C:\Users\Admin\AppData\Local\Temp\jgwb6Mhy1ZL1.bat
                    Filesize

                    207B

                    MD5

                    d94c5e30d10d16ef47de2644300e0254

                    SHA1

                    a476907b39f89902478dddef7c7f5f25f635aa39

                    SHA256

                    378b917e8ef43818143d5a533a1c37fbe45d1f80c28ea97872def8f5ac3b73e2

                    SHA512

                    46c8183a789b007b9d9dbc2bfb88c4e549c5dfc7b6374df20ea48ff985fe75213f21d5faf9a4d83d25ea06e1a2605e26b1cb33171ce3a665fe1f1c713a639b78

                  • C:\Users\Admin\AppData\Local\Temp\kOsO4KaD0C85.bat
                    Filesize

                    207B

                    MD5

                    075d6b6dbe9f0cd398c09aafd538b098

                    SHA1

                    970d68ba1f24ae55d6fde8296221367d801a0250

                    SHA256

                    66140c86db565256cbbb96f2c541479c7d6a561ef373d9379c7365a0edbe2a43

                    SHA512

                    ae12d64cab97d6c6a61028ce871127e642253f6031b39bd86b805c05bb7d7d2208dc3414696399fad21ca0b916f180e328dabbe7fb239c790aa3a2ea5aadf1c2

                  • C:\Users\Admin\AppData\Local\Temp\pLbRaNTTMX5f.bat
                    Filesize

                    207B

                    MD5

                    d2af4b267e83ad4f4544710f2aeaf04c

                    SHA1

                    697bc18449a3963aeb251358cc9bb749092ad5bc

                    SHA256

                    95fcd61f5fa6a7db10f69a51cfc2e37fa60e1da7b561e3ce5e8dba34dd8af3e0

                    SHA512

                    790d4e9be11b0a2d1ac847f4ec34c250a15da4efb0e11c744f65ee583a394a500eb991e1a28acbbb40a61d167c899746c422138d215a37db7249d1cff0f92a43

                  • C:\Users\Admin\AppData\Local\Temp\xWuKw5T4anyq.bat
                    Filesize

                    207B

                    MD5

                    1dc8f4448bd3bdbb42017cb61f55978c

                    SHA1

                    9385d697cf4fe8fe92c8da53c452366831cfde7e

                    SHA256

                    d3e066180fd59d9f24417fa5a9f7b6dfa010ed3ac78ce95d6f8705a853e5428f

                    SHA512

                    e631c426d65d4977aadb00a3c3760008a3fcc9affdaf1d6a60a1f66affb057f813e5d58bd355a33ef19cb63239b3b33d8f9299423688aa3d2aedf28478fdfa1e

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

                    409KB

                    MD5

                    b70fdac25a99501e3cae11f1b775249e

                    SHA1

                    3c59226479bfdcd1b2927bcfb1a7516d4cb8dd71

                    SHA256

                    51ff3eb450a786c1aaa75ff889f2fd256412a7b75d04277fdf9fcccc20e57246

                    SHA512

                    43f0d5d6e5f0d5febba537c109ffdbc250bbb6e9725e635a43ec975b0353048eaeee50b6e9274cd5e072ea6b0cea32439bd37408b2528832f467f2075f74ca44

                  • memory/668-77-0x0000000000D80000-0x0000000000DEC000-memory.dmp
                    Filesize

                    432KB

                  • memory/1348-89-0x0000000001140000-0x00000000011AC000-memory.dmp
                    Filesize

                    432KB

                  • memory/1800-65-0x0000000000D80000-0x0000000000DEC000-memory.dmp
                    Filesize

                    432KB

                  • memory/2000-113-0x0000000001140000-0x00000000011AC000-memory.dmp
                    Filesize

                    432KB

                  • memory/2108-15-0x0000000074B10000-0x00000000751FE000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2108-1-0x0000000000BA0000-0x0000000000C0C000-memory.dmp
                    Filesize

                    432KB

                  • memory/2108-2-0x0000000074B10000-0x00000000751FE000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2108-3-0x0000000074B1E000-0x0000000074B1F000-memory.dmp
                    Filesize

                    4KB

                  • memory/2108-0-0x0000000074B1E000-0x0000000074B1F000-memory.dmp
                    Filesize

                    4KB

                  • memory/2108-4-0x0000000074B10000-0x00000000751FE000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2560-14-0x0000000074B10000-0x00000000751FE000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2560-12-0x00000000010F0000-0x000000000115C000-memory.dmp
                    Filesize

                    432KB

                  • memory/2560-13-0x0000000074B10000-0x00000000751FE000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2560-16-0x0000000074B10000-0x00000000751FE000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2560-25-0x0000000074B10000-0x00000000751FE000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2656-101-0x0000000001140000-0x00000000011AC000-memory.dmp
                    Filesize

                    432KB

                  • memory/2788-29-0x0000000001150000-0x00000000011BC000-memory.dmp
                    Filesize

                    432KB

                  • memory/2948-53-0x0000000000D20000-0x0000000000D8C000-memory.dmp
                    Filesize

                    432KB

                  • memory/2996-41-0x0000000000090000-0x00000000000FC000-memory.dmp
                    Filesize

                    432KB