Resubmissions

15-10-2024 15:36

241015-s1zlzasdkc 10

01-07-2024 18:32

240701-w6yteawhmq 10

01-07-2024 14:52

240701-r82wmaxdnd 10

01-07-2024 14:52

240701-r8syqa1dpp 10

11-03-2024 21:22

240311-z8dsssgg58 10

01-09-2021 13:18

210901-5bmxjspa5s 10

01-09-2021 13:04

210901-te4btfspqa 10

01-09-2021 05:12

210901-4wnkwm1p3j 10

31-08-2021 21:47

210831-41rp97dma2 10

31-08-2021 19:51

210831-359awwatje 10

Analysis

  • max time kernel
    1794s
  • max time network
    1803s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    21-08-2021 10:21

General

  • Target

    Setup (17).exe

  • Size

    631KB

  • MD5

    cb927513ff8ebff4dd52a47f7e42f934

  • SHA1

    0de47c02a8adc4940a6c18621b4e4a619641d029

  • SHA256

    fd5c970806fba1500cbb6af5328329aeb43b8de3f02d90ec5d8cd1d57711622f

  • SHA512

    988c8fd886a9155b7d190faf2ce6b34d910efcffcf1c6251f18a9d0c804a0ea26a89679273033ac98b200363c536426efd1ae9de445c34e660369abb06f0071c

Malware Config

Extracted

Family

redline

Botnet

www

C2

185.204.109.146:54891

Extracted

Family

redline

Botnet

Second_7.5K

C2

45.14.49.200:27625

Extracted

Family

redline

C2

205.185.119.191:18846

193.38.55.57:7575

Extracted

Family

redline

Botnet

20_8_rs

C2

jekorikani.xyz:80

Extracted

Family

redline

Botnet

dibild

C2

135.148.139.222:33569

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 16 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 32 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 45 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Themida packer 9 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 5 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Kills process with taskkill 2 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies system certificate store 2 TTPs 17 IoCs
  • Script User-Agent 3 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup (17).exe
    "C:\Users\Admin\AppData\Local\Temp\Setup (17).exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1664
    • C:\Users\Admin\Documents\OKfHry3xcEKGIaYYl4oS84qh.exe
      "C:\Users\Admin\Documents\OKfHry3xcEKGIaYYl4oS84qh.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      PID:432
      • C:\Users\Admin\Documents\OKfHry3xcEKGIaYYl4oS84qh.exe
        C:\Users\Admin\Documents\OKfHry3xcEKGIaYYl4oS84qh.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2776
    • C:\Users\Admin\Documents\aMizZ0BE1ExUPKNf9oXplIZ5.exe
      "C:\Users\Admin\Documents\aMizZ0BE1ExUPKNf9oXplIZ5.exe"
      2⤵
      • Executes dropped EXE
      PID:1800
    • C:\Users\Admin\Documents\KchFQ_FUV4y1zP8f8Iiz320A.exe
      "C:\Users\Admin\Documents\KchFQ_FUV4y1zP8f8Iiz320A.exe"
      2⤵
      • Executes dropped EXE
      PID:1688
    • C:\Users\Admin\Documents\2SZ09kJPDuZhzy0d77e29T1n.exe
      "C:\Users\Admin\Documents\2SZ09kJPDuZhzy0d77e29T1n.exe"
      2⤵
        PID:1700
      • C:\Users\Admin\Documents\6aBBKHwY9MZDbzlpX721hlk5.exe
        "C:\Users\Admin\Documents\6aBBKHwY9MZDbzlpX721hlk5.exe"
        2⤵
          PID:1812
        • C:\Users\Admin\Documents\rzmUXLozpX6tU1DS1B2NUWTv.exe
          "C:\Users\Admin\Documents\rzmUXLozpX6tU1DS1B2NUWTv.exe"
          2⤵
          • Executes dropped EXE
          PID:1884
        • C:\Users\Admin\Documents\JnlA0Sv03RarDpElJFkH0jeo.exe
          "C:\Users\Admin\Documents\JnlA0Sv03RarDpElJFkH0jeo.exe"
          2⤵
          • Executes dropped EXE
          PID:2032
        • C:\Users\Admin\Documents\sIh4Jfnja3DXHdJO5LBFpLsF.exe
          "C:\Users\Admin\Documents\sIh4Jfnja3DXHdJO5LBFpLsF.exe"
          2⤵
          • Executes dropped EXE
          PID:1596
        • C:\Users\Admin\Documents\Fyg5GL1Gb_TLEtTpKGYuADEr.exe
          "C:\Users\Admin\Documents\Fyg5GL1Gb_TLEtTpKGYuADEr.exe"
          2⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:1904
          • C:\Users\Admin\Documents\Fyg5GL1Gb_TLEtTpKGYuADEr.exe
            "C:\Users\Admin\Documents\Fyg5GL1Gb_TLEtTpKGYuADEr.exe"
            3⤵
            • Executes dropped EXE
            • Modifies data under HKEY_USERS
            PID:2088
        • C:\Users\Admin\Documents\kIZVwuPwPR44W1XLDQLFBCHt.exe
          "C:\Users\Admin\Documents\kIZVwuPwPR44W1XLDQLFBCHt.exe"
          2⤵
          • Executes dropped EXE
          • Checks BIOS information in registry
          • Checks whether UAC is enabled
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1720
        • C:\Users\Admin\Documents\is7wNw4CsUIixnOUxDTOADeD.exe
          "C:\Users\Admin\Documents\is7wNw4CsUIixnOUxDTOADeD.exe"
          2⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          PID:1616
          • C:\Users\Admin\Documents\is7wNw4CsUIixnOUxDTOADeD.exe
            C:\Users\Admin\Documents\is7wNw4CsUIixnOUxDTOADeD.exe
            3⤵
            • Executes dropped EXE
            • Modifies system certificate store
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2784
        • C:\Users\Admin\Documents\4k0_qfLAI5lfiCkVojfrXqro.exe
          "C:\Users\Admin\Documents\4k0_qfLAI5lfiCkVojfrXqro.exe"
          2⤵
          • Executes dropped EXE
          PID:1736
        • C:\Users\Admin\Documents\HWlGWN4oXZfBGKNGRqcGLyGN.exe
          "C:\Users\Admin\Documents\HWlGWN4oXZfBGKNGRqcGLyGN.exe"
          2⤵
          • Executes dropped EXE
          • Checks SCSI registry key(s)
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          PID:1764
        • C:\Users\Admin\Documents\EjKQ37WVFIaRzSzrJZ92YTzb.exe
          "C:\Users\Admin\Documents\EjKQ37WVFIaRzSzrJZ92YTzb.exe"
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in Program Files directory
          PID:2084
          • C:\Program Files (x86)\Company\NewProduct\jooyu.exe
            "C:\Program Files (x86)\Company\NewProduct\jooyu.exe"
            3⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Modifies system certificate store
            PID:2356
            • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
              C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
              4⤵
              • Executes dropped EXE
              PID:2492
            • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
              C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:744
            • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
              C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
              4⤵
              • Executes dropped EXE
              PID:1552
          • C:\Program Files (x86)\Company\NewProduct\md8_8eus.exe
            "C:\Program Files (x86)\Company\NewProduct\md8_8eus.exe"
            3⤵
            • Executes dropped EXE
            PID:2388
          • C:\Program Files (x86)\Company\NewProduct\customer3.exe
            "C:\Program Files (x86)\Company\NewProduct\customer3.exe"
            3⤵
            • Executes dropped EXE
            PID:2456
        • C:\Users\Admin\Documents\R_noELpPPe1o1Pl6oPxz966p.exe
          "C:\Users\Admin\Documents\R_noELpPPe1o1Pl6oPxz966p.exe"
          2⤵
          • Executes dropped EXE
          PID:2068
        • C:\Users\Admin\Documents\kpqvIy3gaCWRAAdOFybXjDAI.exe
          "C:\Users\Admin\Documents\kpqvIy3gaCWRAAdOFybXjDAI.exe"
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2052
          • C:\Users\Admin\AppData\Local\Temp\is-V6Q89.tmp\kpqvIy3gaCWRAAdOFybXjDAI.tmp
            "C:\Users\Admin\AppData\Local\Temp\is-V6Q89.tmp\kpqvIy3gaCWRAAdOFybXjDAI.tmp" /SL5="$101A0,138429,56832,C:\Users\Admin\Documents\kpqvIy3gaCWRAAdOFybXjDAI.exe"
            3⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Modifies system certificate store
            • Suspicious use of FindShellTrayWindow
            PID:2268
        • C:\Users\Admin\Documents\CcqMz8LVcPqvlETAnLpc62lu.exe
          "C:\Users\Admin\Documents\CcqMz8LVcPqvlETAnLpc62lu.exe"
          2⤵
          • Executes dropped EXE
          PID:588
        • C:\Users\Admin\Documents\foGlkZuooV28rFoGcarBchAn.exe
          "C:\Users\Admin\Documents\foGlkZuooV28rFoGcarBchAn.exe"
          2⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1944
        • C:\Users\Admin\Documents\w20Z3bBO4uNFQz2f9b9dKons.exe
          "C:\Users\Admin\Documents\w20Z3bBO4uNFQz2f9b9dKons.exe"
          2⤵
          • Executes dropped EXE
          PID:2024
        • C:\Users\Admin\Documents\7slnfcwKmoJj7ytynyafWZQi.exe
          "C:\Users\Admin\Documents\7slnfcwKmoJj7ytynyafWZQi.exe"
          2⤵
          • Executes dropped EXE
          PID:760
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c taskkill /im "7slnfcwKmoJj7ytynyafWZQi.exe" /f & erase "C:\Users\Admin\Documents\7slnfcwKmoJj7ytynyafWZQi.exe" & exit
            3⤵
              PID:1940
              • C:\Windows\SysWOW64\taskkill.exe
                taskkill /im "7slnfcwKmoJj7ytynyafWZQi.exe" /f
                4⤵
                • Kills process with taskkill
                • Suspicious use of AdjustPrivilegeToken
                PID:1772
          • C:\Users\Admin\Documents\GxfzVKqZkr0mYDvUjJj2qh8v.exe
            "C:\Users\Admin\Documents\GxfzVKqZkr0mYDvUjJj2qh8v.exe"
            2⤵
            • Executes dropped EXE
            PID:1832
          • C:\Users\Admin\Documents\sOm3visMSbbV7mF2F3qRYDvm.exe
            "C:\Users\Admin\Documents\sOm3visMSbbV7mF2F3qRYDvm.exe"
            2⤵
            • Executes dropped EXE
            PID:748
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\System32\cmd.exe" /c taskkill /im "sOm3visMSbbV7mF2F3qRYDvm.exe" /f & erase "C:\Users\Admin\Documents\sOm3visMSbbV7mF2F3qRYDvm.exe" & exit
              3⤵
                PID:3068
                • C:\Windows\SysWOW64\taskkill.exe
                  taskkill /im "sOm3visMSbbV7mF2F3qRYDvm.exe" /f
                  4⤵
                  • Kills process with taskkill
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1996
          • C:\Users\Admin\AppData\Local\Temp\51E7.exe
            C:\Users\Admin\AppData\Local\Temp\51E7.exe
            1⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:1924
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {F9262639-D291-4EB7-AFB3-290AD1DEEA1B} S-1-5-21-2513283230-931923277-594887482-1000:MRBKYMNO\Admin:Interactive:[1]
            1⤵
              PID:2152
              • C:\Users\Admin\AppData\Roaming\cfeufub
                C:\Users\Admin\AppData\Roaming\cfeufub
                2⤵
                • Executes dropped EXE
                • Checks SCSI registry key(s)
                • Suspicious behavior: MapViewOfSection
                PID:3040

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/432-167-0x0000000000010000-0x0000000000011000-memory.dmp

              Filesize

              4KB

            • memory/1596-101-0x0000000001360000-0x0000000001361000-memory.dmp

              Filesize

              4KB

            • memory/1616-169-0x0000000000B80000-0x0000000000B81000-memory.dmp

              Filesize

              4KB

            • memory/1664-61-0x0000000003910000-0x0000000003A4F000-memory.dmp

              Filesize

              1.2MB

            • memory/1664-60-0x00000000768B1000-0x00000000768B3000-memory.dmp

              Filesize

              8KB

            • memory/1688-166-0x00000000001A0000-0x00000000001A1000-memory.dmp

              Filesize

              4KB

            • memory/1720-188-0x0000000001050000-0x0000000001051000-memory.dmp

              Filesize

              4KB

            • memory/1736-168-0x0000000001020000-0x0000000001021000-memory.dmp

              Filesize

              4KB

            • memory/1800-165-0x0000000000970000-0x0000000000971000-memory.dmp

              Filesize

              4KB

            • memory/1832-148-0x00000000000F0000-0x0000000000102000-memory.dmp

              Filesize

              72KB

            • memory/1832-147-0x0000000000080000-0x0000000000090000-memory.dmp

              Filesize

              64KB

            • memory/1924-201-0x00000000027B0000-0x00000000027CA000-memory.dmp

              Filesize

              104KB

            • memory/1924-200-0x00000000003E0000-0x00000000003FC000-memory.dmp

              Filesize

              112KB

            • memory/1944-176-0x0000000002FF0000-0x000000000300A000-memory.dmp

              Filesize

              104KB

            • memory/1944-175-0x0000000002D20000-0x0000000002D3C000-memory.dmp

              Filesize

              112KB

            • memory/2268-199-0x00000000746B1000-0x00000000746B3000-memory.dmp

              Filesize

              8KB

            • memory/2776-178-0x0000000000400000-0x000000000041E000-memory.dmp

              Filesize

              120KB

            • memory/2776-181-0x0000000000400000-0x000000000041E000-memory.dmp

              Filesize

              120KB

            • memory/2784-177-0x0000000000400000-0x000000000041E000-memory.dmp

              Filesize

              120KB

            • memory/2784-182-0x0000000000400000-0x000000000041E000-memory.dmp

              Filesize

              120KB