Analysis

  • max time kernel
    597s
  • 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 (103) - 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 10 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 (103) - Copy - Copy - Copy.exe
    "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (103) - Copy - Copy - Copy.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2980
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (103) - Copy - Copy - Copy.exe" /rl HIGHEST /f
      2⤵
      • Creates scheduled task(s)
      PID:916
    • 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:2780
      • 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:2872
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\tRnXCdhtFhDN.bat" "
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2064
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
            PID:1816
          • C:\Windows\SysWOW64\PING.EXE
            ping -n 10 localhost
            4⤵
            • Runs ping.exe
            PID:2112
          • 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:2848
            • 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:1880
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c ""C:\Users\Admin\AppData\Local\Temp\08ohXKThKqxa.bat" "
              5⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:1860
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                6⤵
                  PID:1848
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  6⤵
                  • Runs ping.exe
                  PID:864
                • 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:2220
                  • 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:2704
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd /c ""C:\Users\Admin\AppData\Local\Temp\d7X5Lti0XLRZ.bat" "
                    7⤵
                    • Loads dropped DLL
                    PID:1752
                    • C:\Windows\SysWOW64\chcp.com
                      chcp 65001
                      8⤵
                        PID:2640
                      • C:\Windows\SysWOW64\PING.EXE
                        ping -n 10 localhost
                        8⤵
                        • Runs ping.exe
                        PID:2912
                      • 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:308
                        • 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:2424
                        • C:\Windows\SysWOW64\cmd.exe
                          cmd /c ""C:\Users\Admin\AppData\Local\Temp\rqBiG4oSe6aa.bat" "
                          9⤵
                          • Loads dropped DLL
                          PID:2896
                          • C:\Windows\SysWOW64\chcp.com
                            chcp 65001
                            10⤵
                              PID:2612
                            • C:\Windows\SysWOW64\PING.EXE
                              ping -n 10 localhost
                              10⤵
                              • Runs ping.exe
                              PID:1684
                            • C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
                              "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
                              10⤵
                              • Executes dropped EXE
                              • Suspicious use of AdjustPrivilegeToken
                              PID:1264
                              • 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:1144
                              • C:\Windows\SysWOW64\cmd.exe
                                cmd /c ""C:\Users\Admin\AppData\Local\Temp\33BQBiNew0ub.bat" "
                                11⤵
                                • Loads dropped DLL
                                PID:1080
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 65001
                                  12⤵
                                    PID:1776
                                  • C:\Windows\SysWOW64\PING.EXE
                                    ping -n 10 localhost
                                    12⤵
                                    • Runs ping.exe
                                    PID:2036
                                  • 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:620
                                    • 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:1612
                                    • C:\Windows\SysWOW64\cmd.exe
                                      cmd /c ""C:\Users\Admin\AppData\Local\Temp\5g9R6obYDKDQ.bat" "
                                      13⤵
                                      • Loads dropped DLL
                                      PID:2732
                                      • C:\Windows\SysWOW64\chcp.com
                                        chcp 65001
                                        14⤵
                                          PID:2528
                                        • C:\Windows\SysWOW64\PING.EXE
                                          ping -n 10 localhost
                                          14⤵
                                          • Runs ping.exe
                                          PID:2924
                                        • 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:2668
                                          • 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:1276
                                          • C:\Windows\SysWOW64\cmd.exe
                                            cmd /c ""C:\Users\Admin\AppData\Local\Temp\b5AlTEihnBR1.bat" "
                                            15⤵
                                            • Loads dropped DLL
                                            PID:2684
                                            • C:\Windows\SysWOW64\chcp.com
                                              chcp 65001
                                              16⤵
                                                PID:1148
                                              • C:\Windows\SysWOW64\PING.EXE
                                                ping -n 10 localhost
                                                16⤵
                                                • Runs ping.exe
                                                PID:1200
                                              • 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:2880
                                                • 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:2940
                                                • C:\Windows\SysWOW64\cmd.exe
                                                  cmd /c ""C:\Users\Admin\AppData\Local\Temp\rJyDAbQDbtTw.bat" "
                                                  17⤵
                                                  • Loads dropped DLL
                                                  PID:3060
                                                  • C:\Windows\SysWOW64\chcp.com
                                                    chcp 65001
                                                    18⤵
                                                      PID:2420
                                                    • C:\Windows\SysWOW64\PING.EXE
                                                      ping -n 10 localhost
                                                      18⤵
                                                      • Runs ping.exe
                                                      PID:800
                                                    • 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:1348
                    • C:\Windows\SysWOW64\SCHTASKS.exe
                      "SCHTASKS.exe" /create /tn "$77Uni - Copy (103) - Copy - Copy - Copy.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (103) - Copy - Copy - Copy.exe'" /sc onlogon /rl HIGHEST
                      2⤵
                      • Creates scheduled task(s)
                      PID:2160

                  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\08ohXKThKqxa.bat
                    Filesize

                    207B

                    MD5

                    f472a1f33a7e0bc00076c3cfd8f6ba6f

                    SHA1

                    4048c4fee43f101ee655a40479b358913d33a919

                    SHA256

                    d82898fe8db189455aaeab1130ec4a450cd5aac8078d13a200245f2dbeef14e0

                    SHA512

                    817729fe837510f4009a887aab27512b01b42e1986b7b02d072da5a1c97cb7c625cdb45d2ffc3341f1a69e25b546a64d84d84401d6b9780b699499e38a09b91e

                  • C:\Users\Admin\AppData\Local\Temp\33BQBiNew0ub.bat
                    Filesize

                    207B

                    MD5

                    33f6b0c23aaebcfd6902fe3c93ce740e

                    SHA1

                    c8e6201210836d932c5518c83ccafd6173733b9c

                    SHA256

                    4f5165ebec5be6ac7251c36f3c07bfe1c20189e9f44a27e56e1c3cab6ee0bc6c

                    SHA512

                    1eeabb000bbad95e523135df0ae7952d4689965409245e449679f07ec47381cd86ea88f5d18a57aa854eb37d9c18a77d29e1180d8f98727d5c0247eb93676c44

                  • C:\Users\Admin\AppData\Local\Temp\5g9R6obYDKDQ.bat
                    Filesize

                    207B

                    MD5

                    03aaa9074dc8a82bc407c57d63bd1ba0

                    SHA1

                    3aa06ec43f1aac58399e1204da222afb3f8ca197

                    SHA256

                    e28f66c10a7fd66303a96f966c86fb0c059f8bc19ec1a8b2a91c110d39cf8639

                    SHA512

                    f2c458018d8a5c5211181170452abde761afba64539b6f49b94c588cea3cb96c55770df2ab90a962fb5049dc706b4b7d25c0036d01025b0178b16ca476b81b4c

                  • C:\Users\Admin\AppData\Local\Temp\b5AlTEihnBR1.bat
                    Filesize

                    207B

                    MD5

                    848c459903e8e980fc1348986fbbc21e

                    SHA1

                    4b118e1e2bcf3485368a70039f59f9865aa642ae

                    SHA256

                    b364e01c64cad5db3c33fd3cc63951596cb1a2d24230b64eacc9d12050d867bf

                    SHA512

                    413eef6d32ebd591fff64013a1bae5c6d007ba2eb7e1fe70bd69829055b77668bb03bce93594a02b15032e354606111098faf34f2d47f834b825a9d8f1532f78

                  • C:\Users\Admin\AppData\Local\Temp\d7X5Lti0XLRZ.bat
                    Filesize

                    207B

                    MD5

                    923b04de6418b25ccc0a42f19e33ca1d

                    SHA1

                    ccccc476e7482c61c803e2e8e6b0f9e2a582568c

                    SHA256

                    4a96bd2e40e4a47be109029228a8f6f876e6c301f20782407dbb8bf4d7295ed3

                    SHA512

                    8fad07cd2a78b8df148eab9716df14bbd93c3035d100a835b9bffebe8edc54112fb3e1bae92681e300a322e07c5e0469a20b7bad1152e41659b35731d53f02f6

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

                    207B

                    MD5

                    0953f3a0100c1c4fc4f09aabb8d7f86c

                    SHA1

                    9370ec5eae6c5f0823e7516a64fa019f6ad44da6

                    SHA256

                    69f5c4269664741ad34c9376cad83d2defee57a63369e1430bf4f4c18c492daf

                    SHA512

                    c5f351305777aa22f2783faa98917cf70f289d202ac397a3b031395f2d14585fdd547fb1fc955c10bf8a5e541d031ee577a58e4ce87b7e9ca42a570207c27595

                  • C:\Users\Admin\AppData\Local\Temp\rqBiG4oSe6aa.bat
                    Filesize

                    207B

                    MD5

                    a9c240627343f3a7c3bf6d33ad5f4743

                    SHA1

                    9d4ebff72c5793898a185da0ad4b1299a77d8960

                    SHA256

                    c8109bb3790801135c92952c2e521b2b968c79c2b4049ceead3f1107f7b2f46e

                    SHA512

                    1803d4716ba7d90c1cd627a20988b12831be3cbc1dc75f179fa2798daab8af3299c02dd8a46cebd7a8891644bde7df16a634935eb0f666856ebf988b416e000a

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

                    207B

                    MD5

                    9b0430d59275f06223f0c510f8fea7a2

                    SHA1

                    06c3b173a70d3ceac0f2a8e6f0425a67a34566f8

                    SHA256

                    9f9297b7ad9fcf2b2927d94ec480d029d873c0fbfa4283f2e2a0eebeafb75c6c

                    SHA512

                    271945e863bb708da9f11045d3152220afc4a0b41d19000545913e352d43fd0e2005d064091f20117458048e64e5dccc36c410c494efbbcba2c1ee3d808c2a43

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

                    409KB

                    MD5

                    b70fdac25a99501e3cae11f1b775249e

                    SHA1

                    3c59226479bfdcd1b2927bcfb1a7516d4cb8dd71

                    SHA256

                    51ff3eb450a786c1aaa75ff889f2fd256412a7b75d04277fdf9fcccc20e57246

                    SHA512

                    43f0d5d6e5f0d5febba537c109ffdbc250bbb6e9725e635a43ec975b0353048eaeee50b6e9274cd5e072ea6b0cea32439bd37408b2528832f467f2075f74ca44

                  • memory/308-53-0x0000000000FD0000-0x000000000103C000-memory.dmp
                    Filesize

                    432KB

                  • memory/620-77-0x0000000000DD0000-0x0000000000E3C000-memory.dmp
                    Filesize

                    432KB

                  • memory/1264-65-0x00000000001B0000-0x000000000021C000-memory.dmp
                    Filesize

                    432KB

                  • memory/2220-41-0x0000000000FD0000-0x000000000103C000-memory.dmp
                    Filesize

                    432KB

                  • memory/2668-89-0x0000000000EF0000-0x0000000000F5C000-memory.dmp
                    Filesize

                    432KB

                  • memory/2780-12-0x0000000000FD0000-0x000000000103C000-memory.dmp
                    Filesize

                    432KB

                  • memory/2780-26-0x0000000074430000-0x0000000074B1E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2780-16-0x0000000074430000-0x0000000074B1E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2780-14-0x0000000074430000-0x0000000074B1E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2780-13-0x0000000074430000-0x0000000074B1E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2848-29-0x0000000000FD0000-0x000000000103C000-memory.dmp
                    Filesize

                    432KB

                  • memory/2880-101-0x0000000000EF0000-0x0000000000F5C000-memory.dmp
                    Filesize

                    432KB

                  • memory/2980-15-0x0000000074430000-0x0000000074B1E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2980-0-0x000000007443E000-0x000000007443F000-memory.dmp
                    Filesize

                    4KB

                  • memory/2980-4-0x0000000074430000-0x0000000074B1E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2980-3-0x000000007443E000-0x000000007443F000-memory.dmp
                    Filesize

                    4KB

                  • memory/2980-2-0x0000000074430000-0x0000000074B1E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2980-1-0x0000000000890000-0x00000000008FC000-memory.dmp
                    Filesize

                    432KB