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Analysis

  • max time kernel
    601s
  • max time network
    641s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    01-09-2021 05:12

General

  • Target

    Setup (14).exe

  • Size

    631KB

  • MD5

    cb927513ff8ebff4dd52a47f7e42f934

  • SHA1

    0de47c02a8adc4940a6c18621b4e4a619641d029

  • SHA256

    fd5c970806fba1500cbb6af5328329aeb43b8de3f02d90ec5d8cd1d57711622f

  • SHA512

    988c8fd886a9155b7d190faf2ce6b34d910efcffcf1c6251f18a9d0c804a0ea26a89679273033ac98b200363c536426efd1ae9de445c34e660369abb06f0071c

Malware Config

Extracted

Family

redline

Botnet

spnewportspectr

C2

135.148.139.222:1594

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 2 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 30 IoCs
  • Checks BIOS information in registry 2 TTPs 4 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 35 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Themida packer 4 IoCs

    Detects Themida, an advanced Windows software protection system.

  • 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 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 3 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup (14).exe
    "C:\Users\Admin\AppData\Local\Temp\Setup (14).exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1276
    • C:\Users\Admin\Documents\tgY18QyaFP3iFMapXJXr40mo.exe
      "C:\Users\Admin\Documents\tgY18QyaFP3iFMapXJXr40mo.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1832
      • C:\Users\Admin\Documents\tgY18QyaFP3iFMapXJXr40mo.exe
        "C:\Users\Admin\Documents\tgY18QyaFP3iFMapXJXr40mo.exe"
        3⤵
        • Executes dropped EXE
        PID:2040
    • C:\Users\Admin\Documents\duRC9GFt5G6GyjX7PFaHTenm.exe
      "C:\Users\Admin\Documents\duRC9GFt5G6GyjX7PFaHTenm.exe"
      2⤵
      • Executes dropped EXE
      PID:260
    • C:\Users\Admin\Documents\2n6PV4EQ70DN5ERCt61Zo2Cy.exe
      "C:\Users\Admin\Documents\2n6PV4EQ70DN5ERCt61Zo2Cy.exe"
      2⤵
      • Executes dropped EXE
      PID:932
    • C:\Users\Admin\Documents\li0f2tLAvuU4wusszQGuUxWD.exe
      "C:\Users\Admin\Documents\li0f2tLAvuU4wusszQGuUxWD.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1576
      • C:\Users\Admin\Documents\li0f2tLAvuU4wusszQGuUxWD.exe
        "C:\Users\Admin\Documents\li0f2tLAvuU4wusszQGuUxWD.exe"
        3⤵
          PID:2492
      • C:\Users\Admin\Documents\4ljoeqpJNk0M0kNkP6ELYsEX.exe
        "C:\Users\Admin\Documents\4ljoeqpJNk0M0kNkP6ELYsEX.exe"
        2⤵
        • Executes dropped EXE
        PID:2008
        • C:\Users\Admin\AppData\Local\Temp\RarSFX0\KBAvfsr.exe
          "C:\Users\Admin\AppData\Local\Temp\RarSFX0\KBAvfsr.exe"
          3⤵
            PID:2212
          • C:\Users\Admin\AppData\Local\Temp\RarSFX0\FkDS8ej.exe
            "C:\Users\Admin\AppData\Local\Temp\RarSFX0\FkDS8ej.exe"
            3⤵
              PID:2300
          • C:\Users\Admin\Documents\NRCTx1exuJa4z4chPDPidZwd.exe
            "C:\Users\Admin\Documents\NRCTx1exuJa4z4chPDPidZwd.exe"
            2⤵
            • Executes dropped EXE
            PID:1308
          • C:\Users\Admin\Documents\QtCh2zzWU8ZBkqXLOBo6vfyX.exe
            "C:\Users\Admin\Documents\QtCh2zzWU8ZBkqXLOBo6vfyX.exe"
            2⤵
            • Executes dropped EXE
            PID:1012
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{NaMG-5P4s7-x5LE-OHDjZ}\99446918348.exe"
              3⤵
                PID:3056
            • C:\Users\Admin\Documents\Y94LsxwGNomjpJUSvycb1Uy8.exe
              "C:\Users\Admin\Documents\Y94LsxwGNomjpJUSvycb1Uy8.exe"
              2⤵
              • Executes dropped EXE
              PID:1760
            • C:\Users\Admin\Documents\YJuNAdfLyIsS4R4IOnsZYjq2.exe
              "C:\Users\Admin\Documents\YJuNAdfLyIsS4R4IOnsZYjq2.exe"
              2⤵
              • Executes dropped EXE
              PID:1716
            • C:\Users\Admin\Documents\0ohvuCno5q7Iat7WyhuvdnZ3.exe
              "C:\Users\Admin\Documents\0ohvuCno5q7Iat7WyhuvdnZ3.exe"
              2⤵
              • Executes dropped EXE
              • Drops file in Program Files directory
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:940
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe"
                3⤵
                  PID:1736
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe"
                    4⤵
                      PID:2188
                • C:\Users\Admin\Documents\mnhLgTi_41nfEZ9ndIGiveNU.exe
                  "C:\Users\Admin\Documents\mnhLgTi_41nfEZ9ndIGiveNU.exe"
                  2⤵
                    PID:1660
                  • C:\Users\Admin\Documents\D5VmBHbwjVZEUQ0aSGTD4ZSI.exe
                    "C:\Users\Admin\Documents\D5VmBHbwjVZEUQ0aSGTD4ZSI.exe"
                    2⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    • Drops file in Program Files directory
                    PID:1796
                    • C:\Program Files (x86)\Company\NewProduct\inst001.exe
                      "C:\Program Files (x86)\Company\NewProduct\inst001.exe"
                      3⤵
                      • Executes dropped EXE
                      PID:828
                    • C:\Program Files (x86)\Company\NewProduct\cutm3.exe
                      "C:\Program Files (x86)\Company\NewProduct\cutm3.exe"
                      3⤵
                      • Executes dropped EXE
                      PID:2100
                    • C:\Program Files (x86)\Company\NewProduct\md8_8eus.exe
                      "C:\Program Files (x86)\Company\NewProduct\md8_8eus.exe"
                      3⤵
                      • Executes dropped EXE
                      PID:2156
                  • C:\Users\Admin\Documents\b6KvkqZ5mTGX8YNdKUpFXeGV.exe
                    "C:\Users\Admin\Documents\b6KvkqZ5mTGX8YNdKUpFXeGV.exe"
                    2⤵
                    • Executes dropped EXE
                    PID:564
                  • C:\Users\Admin\Documents\QW9XrfE35OkGmZbXEMT8n8Tu.exe
                    "C:\Users\Admin\Documents\QW9XrfE35OkGmZbXEMT8n8Tu.exe"
                    2⤵
                    • Executes dropped EXE
                    • Checks BIOS information in registry
                    • Checks whether UAC is enabled
                    • Suspicious use of NtSetInformationThreadHideFromDebugger
                    PID:1888
                  • C:\Users\Admin\Documents\T3NFt6I60VNQudjNuiPjWrX_.exe
                    "C:\Users\Admin\Documents\T3NFt6I60VNQudjNuiPjWrX_.exe"
                    2⤵
                    • Executes dropped EXE
                    PID:1160
                  • C:\Users\Admin\Documents\7QzJS3TBo2BQLdEQIuimxyQJ.exe
                    "C:\Users\Admin\Documents\7QzJS3TBo2BQLdEQIuimxyQJ.exe"
                    2⤵
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    PID:552
                    • C:\Users\Admin\Documents\7QzJS3TBo2BQLdEQIuimxyQJ.exe
                      C:\Users\Admin\Documents\7QzJS3TBo2BQLdEQIuimxyQJ.exe
                      3⤵
                        PID:2128
                    • C:\Users\Admin\Documents\dhe_q4_LqUw91K02UIaWng00.exe
                      "C:\Users\Admin\Documents\dhe_q4_LqUw91K02UIaWng00.exe"
                      2⤵
                      • Executes dropped EXE
                      PID:928
                      • C:\Windows\SysWOW64\cmd.exe
                        "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{hsMh-YxFFd-gh4D-rqETB}\69040611550.exe"
                        3⤵
                        • Loads dropped DLL
                        PID:2480
                        • C:\Users\Admin\AppData\Local\Temp\{hsMh-YxFFd-gh4D-rqETB}\69040611550.exe
                          "C:\Users\Admin\AppData\Local\Temp\{hsMh-YxFFd-gh4D-rqETB}\69040611550.exe"
                          4⤵
                          • Executes dropped EXE
                          PID:1808
                      • C:\Windows\SysWOW64\cmd.exe
                        "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{hsMh-YxFFd-gh4D-rqETB}\91648534734.exe" /mix
                        3⤵
                          PID:1572
                      • C:\Users\Admin\Documents\9cHR3WDKRxJpWGd1mMxBEIzd.exe
                        "C:\Users\Admin\Documents\9cHR3WDKRxJpWGd1mMxBEIzd.exe"
                        2⤵
                        • Executes dropped EXE
                        • Modifies system certificate store
                        • Suspicious use of AdjustPrivilegeToken
                        PID:864
                        • C:\Users\Admin\AppData\Roaming\5580043.exe
                          "C:\Users\Admin\AppData\Roaming\5580043.exe"
                          3⤵
                          • Executes dropped EXE
                          PID:2324
                        • C:\Users\Admin\AppData\Roaming\8733132.exe
                          "C:\Users\Admin\AppData\Roaming\8733132.exe"
                          3⤵
                          • Executes dropped EXE
                          PID:2696
                        • C:\Users\Admin\AppData\Roaming\6586565.exe
                          "C:\Users\Admin\AppData\Roaming\6586565.exe"
                          3⤵
                          • Executes dropped EXE
                          • Suspicious use of AdjustPrivilegeToken
                          PID:984
                        • C:\Users\Admin\AppData\Roaming\4895955.exe
                          "C:\Users\Admin\AppData\Roaming\4895955.exe"
                          3⤵
                          • Executes dropped EXE
                          PID:2412
                        • C:\Users\Admin\AppData\Roaming\4814491.exe
                          "C:\Users\Admin\AppData\Roaming\4814491.exe"
                          3⤵
                          • Executes dropped EXE
                          • Suspicious use of AdjustPrivilegeToken
                          PID:2712
                      • C:\Users\Admin\Documents\y2xXDu9HV3btl1UTQnu8bESN.exe
                        "C:\Users\Admin\Documents\y2xXDu9HV3btl1UTQnu8bESN.exe"
                        2⤵
                        • Executes dropped EXE
                        PID:2004
                      • C:\Users\Admin\Documents\cHTCWR2GgwP0_WOFTaiIZDgL.exe
                        "C:\Users\Admin\Documents\cHTCWR2GgwP0_WOFTaiIZDgL.exe"
                        2⤵
                        • Executes dropped EXE
                        PID:1836
                      • C:\Users\Admin\Documents\k20QBIdokkfhKqVHN2h5TphL.exe
                        "C:\Users\Admin\Documents\k20QBIdokkfhKqVHN2h5TphL.exe"
                        2⤵
                        • Executes dropped EXE
                        • Checks BIOS information in registry
                        • Checks whether UAC is enabled
                        • Suspicious use of NtSetInformationThreadHideFromDebugger
                        PID:1884

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/552-155-0x0000000000FB0000-0x0000000000FB1000-memory.dmp

                      Filesize

                      4KB

                    • memory/864-164-0x00000000001C0000-0x00000000001D6000-memory.dmp

                      Filesize

                      88KB

                    • memory/864-129-0x0000000000A80000-0x0000000000A81000-memory.dmp

                      Filesize

                      4KB

                    • memory/928-157-0x0000000000230000-0x000000000025F000-memory.dmp

                      Filesize

                      188KB

                    • memory/932-149-0x0000000000B90000-0x0000000000B91000-memory.dmp

                      Filesize

                      4KB

                    • memory/940-192-0x0000000004910000-0x00000000049DD000-memory.dmp

                      Filesize

                      820KB

                    • memory/940-195-0x00000000022F0000-0x00000000022FB000-memory.dmp

                      Filesize

                      44KB

                    • memory/940-189-0x00000000049E0000-0x0000000004AAF000-memory.dmp

                      Filesize

                      828KB

                    • memory/984-190-0x0000000000BB0000-0x0000000000BB1000-memory.dmp

                      Filesize

                      4KB

                    • memory/984-194-0x0000000000B20000-0x0000000000B55000-memory.dmp

                      Filesize

                      212KB

                    • memory/1012-163-0x00000000001B0000-0x00000000001DF000-memory.dmp

                      Filesize

                      188KB

                    • memory/1276-61-0x0000000003B80000-0x0000000003CBF000-memory.dmp

                      Filesize

                      1.2MB

                    • memory/1276-60-0x0000000075B31000-0x0000000075B33000-memory.dmp

                      Filesize

                      8KB

                    • memory/1308-139-0x0000000000F30000-0x0000000000F31000-memory.dmp

                      Filesize

                      4KB

                    • memory/1760-153-0x00000000000A0000-0x00000000000A1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1832-77-0x0000000000230000-0x000000000023A000-memory.dmp

                      Filesize

                      40KB

                    • memory/1836-152-0x00000000008D0000-0x00000000008D1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1888-208-0x00000000009A0000-0x00000000009A1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2004-159-0x0000000000360000-0x0000000000361000-memory.dmp

                      Filesize

                      4KB

                    • memory/2040-78-0x0000000000400000-0x0000000000409000-memory.dmp

                      Filesize

                      36KB

                    • memory/2128-173-0x0000000000400000-0x0000000000422000-memory.dmp

                      Filesize

                      136KB

                    • memory/2324-180-0x0000000001120000-0x0000000001121000-memory.dmp

                      Filesize

                      4KB

                    • memory/2412-200-0x0000000000F50000-0x0000000000F51000-memory.dmp

                      Filesize

                      4KB

                    • memory/2696-183-0x00000000003B0000-0x00000000003B1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2712-205-0x0000000000380000-0x0000000000381000-memory.dmp

                      Filesize

                      4KB

                    • memory/2712-202-0x0000000000B60000-0x0000000000B61000-memory.dmp

                      Filesize

                      4KB