Analysis

  • max time kernel
    597s
  • 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 (11) - 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 (11) - Copy - Copy.exe
    "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (11) - Copy - Copy.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (11) - Copy - Copy.exe" /rl HIGHEST /f
      2⤵
      • Creates scheduled task(s)
      PID:2592
    • 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:2960
      • 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:1876
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\9u16OUMBnmAj.bat" "
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2432
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
            PID:792
          • C:\Windows\SysWOW64\PING.EXE
            ping -n 10 localhost
            4⤵
            • Runs ping.exe
            PID:1764
          • 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:936
            • 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:1660
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c ""C:\Users\Admin\AppData\Local\Temp\E6tSyzXuBx11.bat" "
              5⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:908
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                6⤵
                  PID:1012
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  6⤵
                  • Runs ping.exe
                  PID:2840
                • 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:860
                  • 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:2720
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd /c ""C:\Users\Admin\AppData\Local\Temp\m04a6cG9Sm9X.bat" "
                    7⤵
                    • Loads dropped DLL
                    PID:2564
                    • C:\Windows\SysWOW64\chcp.com
                      chcp 65001
                      8⤵
                        PID:2640
                      • C:\Windows\SysWOW64\PING.EXE
                        ping -n 10 localhost
                        8⤵
                        • Runs ping.exe
                        PID:2052
                      • 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:2560
                        • 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:1756
                        • C:\Windows\SysWOW64\cmd.exe
                          cmd /c ""C:\Users\Admin\AppData\Local\Temp\c5SZtGO0ViTj.bat" "
                          9⤵
                          • Loads dropped DLL
                          PID:808
                          • C:\Windows\SysWOW64\chcp.com
                            chcp 65001
                            10⤵
                              PID:1180
                            • C:\Windows\SysWOW64\PING.EXE
                              ping -n 10 localhost
                              10⤵
                              • Runs ping.exe
                              PID:692
                            • 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:380
                              • 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:3004
                              • C:\Windows\SysWOW64\cmd.exe
                                cmd /c ""C:\Users\Admin\AppData\Local\Temp\Q663ojA67l7M.bat" "
                                11⤵
                                • Loads dropped DLL
                                PID:1548
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 65001
                                  12⤵
                                    PID:1608
                                  • C:\Windows\SysWOW64\PING.EXE
                                    ping -n 10 localhost
                                    12⤵
                                    • Runs ping.exe
                                    PID:1872
                                  • 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:1968
                                    • 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:1176
                                    • C:\Windows\SysWOW64\cmd.exe
                                      cmd /c ""C:\Users\Admin\AppData\Local\Temp\Sj55koN0O5QA.bat" "
                                      13⤵
                                      • Loads dropped DLL
                                      PID:2524
                                      • C:\Windows\SysWOW64\chcp.com
                                        chcp 65001
                                        14⤵
                                          PID:2680
                                        • C:\Windows\SysWOW64\PING.EXE
                                          ping -n 10 localhost
                                          14⤵
                                          • Runs ping.exe
                                          PID:2636
                                        • 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:1284
                                          • 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:1640
                                          • C:\Windows\SysWOW64\cmd.exe
                                            cmd /c ""C:\Users\Admin\AppData\Local\Temp\SqPBeM3eqYuz.bat" "
                                            15⤵
                                            • Loads dropped DLL
                                            PID:2436
                                            • C:\Windows\SysWOW64\chcp.com
                                              chcp 65001
                                              16⤵
                                                PID:2036
                                              • C:\Windows\SysWOW64\PING.EXE
                                                ping -n 10 localhost
                                                16⤵
                                                • Runs ping.exe
                                                PID:2776
                                              • 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:576
                                                • 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:292
                                                • C:\Windows\SysWOW64\cmd.exe
                                                  cmd /c ""C:\Users\Admin\AppData\Local\Temp\oeuhmttKHwCI.bat" "
                                                  17⤵
                                                  • Loads dropped DLL
                                                  PID:2148
                                                  • C:\Windows\SysWOW64\chcp.com
                                                    chcp 65001
                                                    18⤵
                                                      PID:1096
                                                    • C:\Windows\SysWOW64\PING.EXE
                                                      ping -n 10 localhost
                                                      18⤵
                                                      • Runs ping.exe
                                                      PID:2472
                                                    • 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:792
                    • C:\Windows\SysWOW64\SCHTASKS.exe
                      "SCHTASKS.exe" /create /tn "$77Uni - Copy (11) - Copy - Copy.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (11) - Copy - Copy.exe'" /sc onlogon /rl HIGHEST
                      2⤵
                      • Creates scheduled task(s)
                      PID:2440

                  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\9u16OUMBnmAj.bat
                    Filesize

                    207B

                    MD5

                    71be8ddf73bbfb7af38acf10608afefb

                    SHA1

                    55166d9562c3e0f51bc5a0b123703026fe9e49ba

                    SHA256

                    410b45a8b6b04e07093dfcef0828b0aa7977d037e6615dc94f869a84fd835987

                    SHA512

                    cedda561d38a5fb2e7bae61407658a9ee090d731bfe85cf707c99354ccef20e005f7b9346f3d73b2e5626a3cb4c06596ab0d48e8946c79bd0d7de02fff8ef934

                  • C:\Users\Admin\AppData\Local\Temp\E6tSyzXuBx11.bat
                    Filesize

                    207B

                    MD5

                    729407913ce9c7b4f685fd775c6d5ef6

                    SHA1

                    8fce9713e2116a31a45a54d6c09afdc5ecb5ad52

                    SHA256

                    eafa07593cc1ab3e3d7bae1ac9f850457364f73ee384cb9b727f83d9841257fa

                    SHA512

                    fe0834a7fd71000ad41eb0d57b85d3ffe17c8c2d06a46bea7c971c20d50501f70ed3dbc1f4881a228213acf0520eb9839efa758e033cf24f170ee526c1a91132

                  • C:\Users\Admin\AppData\Local\Temp\Q663ojA67l7M.bat
                    Filesize

                    207B

                    MD5

                    b0769e6c1154ed2b9fccc9782396984d

                    SHA1

                    be427faf8c752cb608783532999b2a97b1cc6657

                    SHA256

                    770fb4b8ab7340cc13628120af808bcaf480ba3ddfb4e364eca8268b4c5d2dfd

                    SHA512

                    6da3dd89081abdca30298b9007d7d35927d4391bd8c5fa6707d739e06f8c9aeb4011857f5b3b4c2c8ccf841dd24f6b4d3a6b82e57242e5cd544c8cbef37fb2d4

                  • C:\Users\Admin\AppData\Local\Temp\Sj55koN0O5QA.bat
                    Filesize

                    207B

                    MD5

                    3a389224d854c612ca28895767c11a95

                    SHA1

                    e5abbe755829a8d711df83b6c6e97afc4bcfea71

                    SHA256

                    53d2f11b34c4d0de491f09e1ec2faf9635ed53ee8a81d76d82e53b741d062c2d

                    SHA512

                    41cab6d55526b7af95de54d1c10d300371d22f98618eac15da8e48450e99c0bcf9a84df2fab01bf3b64849fee5114f923ea5e5ac9f4b400eee867560fb24390f

                  • C:\Users\Admin\AppData\Local\Temp\SqPBeM3eqYuz.bat
                    Filesize

                    207B

                    MD5

                    a61b7c0c335328b0b1e531d902cbc38c

                    SHA1

                    5e7ea47c3f8e540c22e402f3384e43b697264b8e

                    SHA256

                    c85432f096a71d62f3b37c7df18cde52b6fd3a1f1f0a1fb2cd18f4f0f9a7050a

                    SHA512

                    7dace64c2446f121dc7ab37148e5b899fc2682ea48d0c0a9de00ce9a48bf21f3a79411ec17ab11f0bf36a1bc4531c8b25135303f97c9226f4c2ac0067a55c522

                  • C:\Users\Admin\AppData\Local\Temp\c5SZtGO0ViTj.bat
                    Filesize

                    207B

                    MD5

                    59d5846523a1a0046431e374094ab506

                    SHA1

                    aac09466c858b25442d97c33cb8d96f3869f26b9

                    SHA256

                    7833972dc71e571dbab1ebf77c02d3f8c21cd3fd03ca49b83de76bf743377f5a

                    SHA512

                    35bac6267eebdeaa9b185badb42003684a7b71b8fcfa40b7edec645b6b4e1f58b09f3bf1eff17ff8eeba1cbbaab8a048d8024ec8ee9e4def73963c46e957796e

                  • C:\Users\Admin\AppData\Local\Temp\m04a6cG9Sm9X.bat
                    Filesize

                    207B

                    MD5

                    b52e561f4d2d718797a7b3f91d641294

                    SHA1

                    97916c478c8dcf38a76976c6f9aa9cdebdfb73c0

                    SHA256

                    3655a1cacd12a42cb5686e3a6c72b49334829b8b87cbd50237a91f8c7c0b3fc1

                    SHA512

                    7d82274f14a14a39d8f51f1d497079e70979c0fc67e2ed19aabde2bd9c53ae0627136017fe78510a3e773414658668128dd32316887fc8833b395be89ac881f2

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

                    207B

                    MD5

                    90ab15a3796fc175e48724be3934ffe2

                    SHA1

                    fbf504f2336eb4e00efc1f36a9e5f57e84e10985

                    SHA256

                    30fe547fc97e1d03d086fe1c8dfbc1083ce57f7d565a24ef55b3b0e51d8a2c98

                    SHA512

                    4519a6dcd97d140c170f8b23fcdc68ee3898d0ced28f29233d3f6f176ca9180f49be42e0b4263d64ac70b127eaa46851073613bc923fcfcd82a02f979594aa6c

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

                    409KB

                    MD5

                    b70fdac25a99501e3cae11f1b775249e

                    SHA1

                    3c59226479bfdcd1b2927bcfb1a7516d4cb8dd71

                    SHA256

                    51ff3eb450a786c1aaa75ff889f2fd256412a7b75d04277fdf9fcccc20e57246

                    SHA512

                    43f0d5d6e5f0d5febba537c109ffdbc250bbb6e9725e635a43ec975b0353048eaeee50b6e9274cd5e072ea6b0cea32439bd37408b2528832f467f2075f74ca44

                  • memory/380-65-0x0000000001180000-0x00000000011EC000-memory.dmp
                    Filesize

                    432KB

                  • memory/792-112-0x0000000001390000-0x00000000013FC000-memory.dmp
                    Filesize

                    432KB

                  • memory/860-41-0x0000000000D00000-0x0000000000D6C000-memory.dmp
                    Filesize

                    432KB

                  • memory/936-29-0x0000000000140000-0x00000000001AC000-memory.dmp
                    Filesize

                    432KB

                  • memory/1284-89-0x0000000001320000-0x000000000138C000-memory.dmp
                    Filesize

                    432KB

                  • memory/1968-77-0x0000000001320000-0x000000000138C000-memory.dmp
                    Filesize

                    432KB

                  • memory/2104-4-0x0000000074580000-0x0000000074C6E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2104-15-0x0000000074580000-0x0000000074C6E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2104-3-0x000000007458E000-0x000000007458F000-memory.dmp
                    Filesize

                    4KB

                  • memory/2104-2-0x0000000074580000-0x0000000074C6E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2104-0-0x000000007458E000-0x000000007458F000-memory.dmp
                    Filesize

                    4KB

                  • memory/2104-1-0x0000000001180000-0x00000000011EC000-memory.dmp
                    Filesize

                    432KB

                  • memory/2560-53-0x0000000000D00000-0x0000000000D6C000-memory.dmp
                    Filesize

                    432KB

                  • memory/2960-12-0x0000000001140000-0x00000000011AC000-memory.dmp
                    Filesize

                    432KB

                  • memory/2960-25-0x0000000074580000-0x0000000074C6E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2960-16-0x0000000074580000-0x0000000074C6E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2960-13-0x0000000074580000-0x0000000074C6E000-memory.dmp
                    Filesize

                    6.9MB

                  • memory/2960-14-0x0000000074580000-0x0000000074C6E000-memory.dmp
                    Filesize

                    6.9MB