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 - 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 (10) - Copy - Copy - Copy - Copy.exe
    "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (10) - Copy - Copy - Copy - Copy.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (10) - Copy - Copy - Copy - Copy.exe" /rl HIGHEST /f
      2⤵
      • Creates scheduled task(s)
      PID:1600
    • 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:1472
      • 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\RXtPsbPilh9s.bat" "
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:988
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
            PID:2248
          • C:\Windows\SysWOW64\PING.EXE
            ping -n 10 localhost
            4⤵
            • Runs ping.exe
            PID:2460
          • 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:1400
            • 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:1300
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c ""C:\Users\Admin\AppData\Local\Temp\rMCeosPiis86.bat" "
              5⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:556
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                6⤵
                  PID:1724
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  6⤵
                  • Runs ping.exe
                  PID:2216
                • 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:604
                  • 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:2668
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd /c ""C:\Users\Admin\AppData\Local\Temp\dshKx8Zjextn.bat" "
                    7⤵
                    • Loads dropped DLL
                    PID:2376
                    • C:\Windows\SysWOW64\chcp.com
                      chcp 65001
                      8⤵
                        PID:3068
                      • C:\Windows\SysWOW64\PING.EXE
                        ping -n 10 localhost
                        8⤵
                        • Runs ping.exe
                        PID:1748
                      • 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:1968
                        • 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:1616
                        • C:\Windows\SysWOW64\cmd.exe
                          cmd /c ""C:\Users\Admin\AppData\Local\Temp\FngBrVSHQZiD.bat" "
                          9⤵
                          • Loads dropped DLL
                          PID:1684
                          • C:\Windows\SysWOW64\chcp.com
                            chcp 65001
                            10⤵
                              PID:2120
                            • C:\Windows\SysWOW64\PING.EXE
                              ping -n 10 localhost
                              10⤵
                              • Runs ping.exe
                              PID:2268
                            • 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:2800
                              • 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:1180
                              • C:\Windows\SysWOW64\cmd.exe
                                cmd /c ""C:\Users\Admin\AppData\Local\Temp\iBtlRAP7UcFv.bat" "
                                11⤵
                                • Loads dropped DLL
                                PID:1300
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 65001
                                  12⤵
                                    PID:2444
                                  • C:\Windows\SysWOW64\PING.EXE
                                    ping -n 10 localhost
                                    12⤵
                                    • Runs ping.exe
                                    PID:896
                                  • 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:900
                                    • 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:296
                                    • C:\Windows\SysWOW64\cmd.exe
                                      cmd /c ""C:\Users\Admin\AppData\Local\Temp\QcqBuU43T0e9.bat" "
                                      13⤵
                                      • Loads dropped DLL
                                      PID:2520
                                      • C:\Windows\SysWOW64\chcp.com
                                        chcp 65001
                                        14⤵
                                          PID:2472
                                        • C:\Windows\SysWOW64\PING.EXE
                                          ping -n 10 localhost
                                          14⤵
                                          • Runs ping.exe
                                          PID:2792
                                        • 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:1528
                                          • 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:1884
                                          • C:\Windows\SysWOW64\cmd.exe
                                            cmd /c ""C:\Users\Admin\AppData\Local\Temp\OE0T3p8dFWF3.bat" "
                                            15⤵
                                            • Loads dropped DLL
                                            PID:668
                                            • C:\Windows\SysWOW64\chcp.com
                                              chcp 65001
                                              16⤵
                                                PID:2844
                                              • C:\Windows\SysWOW64\PING.EXE
                                                ping -n 10 localhost
                                                16⤵
                                                • Runs ping.exe
                                                PID:1440
                                              • 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:2192
                                                • 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:2860
                                                • C:\Windows\SysWOW64\cmd.exe
                                                  cmd /c ""C:\Users\Admin\AppData\Local\Temp\r48SlqIwhVvB.bat" "
                                                  17⤵
                                                  • Loads dropped DLL
                                                  PID:2988
                                                  • C:\Windows\SysWOW64\chcp.com
                                                    chcp 65001
                                                    18⤵
                                                      PID:1704
                                                    • C:\Windows\SysWOW64\PING.EXE
                                                      ping -n 10 localhost
                                                      18⤵
                                                      • Runs ping.exe
                                                      PID:1848
                                                    • 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:2768
                    • C:\Windows\SysWOW64\SCHTASKS.exe
                      "SCHTASKS.exe" /create /tn "$77Uni - Copy (10) - Copy - Copy - Copy - Copy.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (10) - Copy - Copy - Copy - Copy.exe'" /sc onlogon /rl HIGHEST
                      2⤵
                      • Creates scheduled task(s)
                      PID:1884

                  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\FngBrVSHQZiD.bat
                    Filesize

                    207B

                    MD5

                    57e5a3afb668b5e55ed7cf7245a5869c

                    SHA1

                    c27243461e36321fdff6e167dc4aea877fe9f1d9

                    SHA256

                    0cb07d87f4aa416a479908d4be5150f74d9765060bb22183351eef2729672c97

                    SHA512

                    c10eac870855ed90c87f81b6fe761a2435df3a89111c1f1502fef27729a5f3bde86871b1b522f385c2aadcaf9143f5eb5b0b639cb7069173065f60f2f60b88cc

                  • C:\Users\Admin\AppData\Local\Temp\OE0T3p8dFWF3.bat
                    Filesize

                    207B

                    MD5

                    3d88c76e7cda9a76abbdb116d414a3b0

                    SHA1

                    ee2243d2062f01c99b65550229ad7008c3a62558

                    SHA256

                    9250da996d8824c34dcf5e97701c8bcd1608740470fd1a15136f7e0b69debdab

                    SHA512

                    b36ae36a24c937e8da751c6519bd0d5f75be3c8f62b848bd1d122cd68bacf0b676d299932fc624ac017dfdbf7d2f758c2c8a41eaa26e52e2aa8b18f8ce566b8b

                  • C:\Users\Admin\AppData\Local\Temp\QcqBuU43T0e9.bat
                    Filesize

                    207B

                    MD5

                    2214599556c8cac2e91e50c84cba8aae

                    SHA1

                    78c4fbea1110ccecfafe82fdd335ac97949c6a9b

                    SHA256

                    fd28ab5fcd797ad970bc9131ad5d8190c3f1c2bd29f314437eae8a52a4e753ca

                    SHA512

                    16bcf21c4e3532f3473d787f2de6c75d4b6d4f59f1e0934075c7e7fbc9639c8e8990c2f4ee1f7c012fa955badb1d859cf1ce8433b73c34fa660cbb0834a96c00

                  • C:\Users\Admin\AppData\Local\Temp\RXtPsbPilh9s.bat
                    Filesize

                    207B

                    MD5

                    3e33e64e95922c6ec5f3ac7cd40116de

                    SHA1

                    ba9649896266f34df6778fe1627d7024545c3177

                    SHA256

                    e7eb70fec0b356731e05c2edb42c3cd3b69c10f87cb7c23e79dadcc4dd7d7f6b

                    SHA512

                    b693935f26207faa89930ac874bd13293712ce97c526d3c22e0538da0261776e892cfc859d4a157ec6c690101b52f8e1bfae8867348a7832c95b78b9f21c928e

                  • C:\Users\Admin\AppData\Local\Temp\dshKx8Zjextn.bat
                    Filesize

                    207B

                    MD5

                    7777c6947d22b90ba2e315317392eac0

                    SHA1

                    cc598d46437c2eae37ecd887a5cf9975658dd8d4

                    SHA256

                    ea5a6c8e648837b3c32054a8e840b979ad5372311de748a0fdf245b01a7dd09f

                    SHA512

                    265751536a0fd9be1a6eb62784660856ecb7fd1f5173a54d0f5cf5de2112014fc8f8f7393328e2204a2a431a7dc30eb212c9123c906de79ce5fd7a8bacb03586

                  • C:\Users\Admin\AppData\Local\Temp\iBtlRAP7UcFv.bat
                    Filesize

                    207B

                    MD5

                    5d0f55b33595f4a9f801a0fab497264e

                    SHA1

                    25371ad8bcba3a3c3e4a024f1704cf47b4939a65

                    SHA256

                    d71fc8eed9d7ac6cc057100deea8266995ceeaa62029543b68820836b6a92217

                    SHA512

                    654bb2769a24f2049125acdaad8868ff4ce3c24607d45b46cc479f0c17ff8b71bc6e0a86ece5589384697d36af20d10501dc34d7afcccee904405a08aabe5f6b

                  • C:\Users\Admin\AppData\Local\Temp\r48SlqIwhVvB.bat
                    Filesize

                    207B

                    MD5

                    df8602e44c9d0b24472e59b472af30cd

                    SHA1

                    bb17cdf08d347ce9ed8e78bf3ec3737909c0c695

                    SHA256

                    4a3cd8c1ecb3f6c4fa053c156d31135dd0bfd60dd93e46c12d22004aa352080b

                    SHA512

                    e5559d5be8e3dec0adb01fa64e7ae8ce38ebf6f7c673959a61159311a3bb3709ba979744bfe3c9156a1018b9649e36b1fc9d64d2e193ffb827fd12578e793aa9

                  • C:\Users\Admin\AppData\Local\Temp\rMCeosPiis86.bat
                    Filesize

                    207B

                    MD5

                    20154a4fac181fbe86dc94fa39873dda

                    SHA1

                    1c764c718f93eb3426396d6a99e79af37e73cec7

                    SHA256

                    c2925d5266f325ccbcb8499e349ce427d5ad12b562a925d3290b5cb8eba9f4ae

                    SHA512

                    c26b17d67b37d1fed933fa443c1ca9bef93ac5033767a3a48ed710984ce6f4316274eb45e75c11f03763a4c27046e6ed7344cee9c203fabb2296e11b7e7c1c30

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

                    409KB

                    MD5

                    b70fdac25a99501e3cae11f1b775249e

                    SHA1

                    3c59226479bfdcd1b2927bcfb1a7516d4cb8dd71

                    SHA256

                    51ff3eb450a786c1aaa75ff889f2fd256412a7b75d04277fdf9fcccc20e57246

                    SHA512

                    43f0d5d6e5f0d5febba537c109ffdbc250bbb6e9725e635a43ec975b0353048eaeee50b6e9274cd5e072ea6b0cea32439bd37408b2528832f467f2075f74ca44

                  • memory/604-41-0x0000000000CC0000-0x0000000000D2C000-memory.dmp
                    Filesize

                    432KB

                  • memory/900-77-0x00000000010C0000-0x000000000112C000-memory.dmp
                    Filesize

                    432KB

                  • memory/1400-29-0x00000000003F0000-0x000000000045C000-memory.dmp
                    Filesize

                    432KB

                  • memory/1472-12-0x0000000000C60000-0x0000000000CCC000-memory.dmp
                    Filesize

                    432KB

                  • memory/1472-25-0x00000000746F0000-0x0000000074DDE000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/1472-16-0x00000000746F0000-0x0000000074DDE000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/1472-14-0x00000000746F0000-0x0000000074DDE000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/1472-13-0x00000000746F0000-0x0000000074DDE000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/1528-89-0x00000000010C0000-0x000000000112C000-memory.dmp
                    Filesize

                    432KB

                  • memory/1968-53-0x0000000001000000-0x000000000106C000-memory.dmp
                    Filesize

                    432KB

                  • memory/2036-4-0x00000000746F0000-0x0000000074DDE000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2036-0-0x00000000746FE000-0x00000000746FF000-memory.dmp
                    Filesize

                    4KB

                  • memory/2036-3-0x00000000746FE000-0x00000000746FF000-memory.dmp
                    Filesize

                    4KB

                  • memory/2036-15-0x00000000746F0000-0x0000000074DDE000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2036-2-0x00000000746F0000-0x0000000074DDE000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2036-1-0x0000000001170000-0x00000000011DC000-memory.dmp
                    Filesize

                    432KB

                  • memory/2192-101-0x00000000012C0000-0x000000000132C000-memory.dmp
                    Filesize

                    432KB

                  • memory/2768-113-0x0000000000130000-0x000000000019C000-memory.dmp
                    Filesize

                    432KB

                  • memory/2800-65-0x00000000010C0000-0x000000000112C000-memory.dmp
                    Filesize

                    432KB