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Analysis

  • max time kernel
    564s
  • max time network
    611s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    01-09-2021 05:12

General

  • Target

    Setup (12).exe

  • Size

    631KB

  • MD5

    cb927513ff8ebff4dd52a47f7e42f934

  • SHA1

    0de47c02a8adc4940a6c18621b4e4a619641d029

  • SHA256

    fd5c970806fba1500cbb6af5328329aeb43b8de3f02d90ec5d8cd1d57711622f

  • SHA512

    988c8fd886a9155b7d190faf2ce6b34d910efcffcf1c6251f18a9d0c804a0ea26a89679273033ac98b200363c536426efd1ae9de445c34e660369abb06f0071c

Malware Config

Extracted

Family

redline

Botnet

spnewportspectr

C2

135.148.139.222:1594

Extracted

Family

redline

Botnet

NORMAN2

C2

45.14.49.184:27587

Extracted

Family

redline

Botnet

31.08

C2

95.181.152.47:15089

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 5 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 23 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 32 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Themida packer 5 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 3 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 5 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 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup (12).exe
    "C:\Users\Admin\AppData\Local\Temp\Setup (12).exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1768
    • C:\Users\Admin\Documents\LLu56tKJv5LhOgpATuZLkyj4.exe
      "C:\Users\Admin\Documents\LLu56tKJv5LhOgpATuZLkyj4.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1512
      • C:\Users\Admin\Documents\LLu56tKJv5LhOgpATuZLkyj4.exe
        "C:\Users\Admin\Documents\LLu56tKJv5LhOgpATuZLkyj4.exe"
        3⤵
        • Executes dropped EXE
        PID:1752
    • C:\Users\Admin\Documents\7wlpx4MsuSPfgTzYSE2v6tXi.exe
      "C:\Users\Admin\Documents\7wlpx4MsuSPfgTzYSE2v6tXi.exe"
      2⤵
      • Executes dropped EXE
      PID:636
    • C:\Users\Admin\Documents\kKZzv5G9KYKiNRdqSAllkPhP.exe
      "C:\Users\Admin\Documents\kKZzv5G9KYKiNRdqSAllkPhP.exe"
      2⤵
      • Executes dropped EXE
      PID:1496
    • C:\Users\Admin\Documents\C3VT3dAdti4wf2ExmZKLkJ66.exe
      "C:\Users\Admin\Documents\C3VT3dAdti4wf2ExmZKLkJ66.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      PID:1612
      • C:\Users\Admin\Documents\C3VT3dAdti4wf2ExmZKLkJ66.exe
        C:\Users\Admin\Documents\C3VT3dAdti4wf2ExmZKLkJ66.exe
        3⤵
        • Executes dropped EXE
        PID:2620
      • C:\Users\Admin\Documents\C3VT3dAdti4wf2ExmZKLkJ66.exe
        C:\Users\Admin\Documents\C3VT3dAdti4wf2ExmZKLkJ66.exe
        3⤵
          PID:2748
      • C:\Users\Admin\Documents\dhU2eRYLfxLT8KqBVZjP6q_c.exe
        "C:\Users\Admin\Documents\dhU2eRYLfxLT8KqBVZjP6q_c.exe"
        2⤵
        • Executes dropped EXE
        PID:1888
      • C:\Users\Admin\Documents\OsPPczj1yf8JjnFEJQMCnxhp.exe
        "C:\Users\Admin\Documents\OsPPczj1yf8JjnFEJQMCnxhp.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        PID:1892
        • C:\Users\Admin\Documents\OsPPczj1yf8JjnFEJQMCnxhp.exe
          C:\Users\Admin\Documents\OsPPczj1yf8JjnFEJQMCnxhp.exe
          3⤵
          • Executes dropped EXE
          PID:2612
        • C:\Users\Admin\Documents\OsPPczj1yf8JjnFEJQMCnxhp.exe
          C:\Users\Admin\Documents\OsPPczj1yf8JjnFEJQMCnxhp.exe
          3⤵
            PID:2640
        • C:\Users\Admin\Documents\dvJL0KCbC8olHWa1MTzZSLlK.exe
          "C:\Users\Admin\Documents\dvJL0KCbC8olHWa1MTzZSLlK.exe"
          2⤵
          • Executes dropped EXE
          PID:1548
        • C:\Users\Admin\Documents\U3IA63ltGHOjdHjMEZiZLTgE.exe
          "C:\Users\Admin\Documents\U3IA63ltGHOjdHjMEZiZLTgE.exe"
          2⤵
          • Executes dropped EXE
          PID:1012
        • C:\Users\Admin\Documents\KsMV3unJgOWAnwsFvgrVYszh.exe
          "C:\Users\Admin\Documents\KsMV3unJgOWAnwsFvgrVYszh.exe"
          2⤵
          • Executes dropped EXE
          • Modifies system certificate store
          • Suspicious use of AdjustPrivilegeToken
          PID:1864
        • C:\Users\Admin\Documents\ASOlXRlgkEQ9dkb5Ab9yYwHH.exe
          "C:\Users\Admin\Documents\ASOlXRlgkEQ9dkb5Ab9yYwHH.exe"
          2⤵
          • Executes dropped EXE
          • Drops file in Program Files directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1916
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe"
            3⤵
              PID:328
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe"
                4⤵
                  PID:904
            • C:\Users\Admin\Documents\pSnLDab86ly4cBNkyLxOZdhE.exe
              "C:\Users\Admin\Documents\pSnLDab86ly4cBNkyLxOZdhE.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:1524
            • C:\Users\Admin\Documents\fhlsKAzcktvEX5VqtxtXjFbq.exe
              "C:\Users\Admin\Documents\fhlsKAzcktvEX5VqtxtXjFbq.exe"
              2⤵
                PID:1740
              • C:\Users\Admin\Documents\W02QnYW8mxTu3SLNYQrIbu8S.exe
                "C:\Users\Admin\Documents\W02QnYW8mxTu3SLNYQrIbu8S.exe"
                2⤵
                • Executes dropped EXE
                PID:824
              • C:\Users\Admin\Documents\z5sMeBeB2O5WE5mRBSsnYuxd.exe
                "C:\Users\Admin\Documents\z5sMeBeB2O5WE5mRBSsnYuxd.exe"
                2⤵
                • Executes dropped EXE
                PID:1600
              • C:\Users\Admin\Documents\poZ8oHy3uCL50Ng0m4MclHbo.exe
                "C:\Users\Admin\Documents\poZ8oHy3uCL50Ng0m4MclHbo.exe"
                2⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Drops file in Program Files directory
                PID:364
                • C:\Program Files (x86)\Company\NewProduct\inst001.exe
                  "C:\Program Files (x86)\Company\NewProduct\inst001.exe"
                  3⤵
                  • Executes dropped EXE
                  PID:2392
                • C:\Program Files (x86)\Company\NewProduct\cutm3.exe
                  "C:\Program Files (x86)\Company\NewProduct\cutm3.exe"
                  3⤵
                    PID:2684
                • C:\Users\Admin\Documents\OzY8nKmEB2GsgTzRly10_vN8.exe
                  "C:\Users\Admin\Documents\OzY8nKmEB2GsgTzRly10_vN8.exe"
                  2⤵
                  • Executes dropped EXE
                  PID:1632
                • C:\Users\Admin\Documents\_d8tABoyBr5lOsp76G9xbvCq.exe
                  "C:\Users\Admin\Documents\_d8tABoyBr5lOsp76G9xbvCq.exe"
                  2⤵
                  • Executes dropped EXE
                  PID:1960
                • C:\Users\Admin\Documents\D8jx7s1bZXVmvEqtDnEpHBkg.exe
                  "C:\Users\Admin\Documents\D8jx7s1bZXVmvEqtDnEpHBkg.exe"
                  2⤵
                  • Executes dropped EXE
                  PID:944
                • C:\Users\Admin\Documents\py1i8LCYH03tVMK83txdd7OA.exe
                  "C:\Users\Admin\Documents\py1i8LCYH03tVMK83txdd7OA.exe"
                  2⤵
                  • Executes dropped EXE
                  PID:1444
                • C:\Users\Admin\Documents\3kcFMjLXQOo0nqAxsWsnSfJO.exe
                  "C:\Users\Admin\Documents\3kcFMjLXQOo0nqAxsWsnSfJO.exe"
                  2⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  PID:2164
                  • C:\Users\Admin\Documents\3kcFMjLXQOo0nqAxsWsnSfJO.exe
                    C:\Users\Admin\Documents\3kcFMjLXQOo0nqAxsWsnSfJO.exe
                    3⤵
                      PID:2604
                  • C:\Users\Admin\Documents\UkfA0I7ewKp0Cm5A2i_KMU1x.exe
                    "C:\Users\Admin\Documents\UkfA0I7ewKp0Cm5A2i_KMU1x.exe"
                    2⤵
                      PID:2188

                  Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • memory/824-160-0x0000000000F20000-0x0000000000F21000-memory.dmp

                    Filesize

                    4KB

                  • memory/944-152-0x0000000000220000-0x000000000024F000-memory.dmp

                    Filesize

                    188KB

                  • memory/1512-69-0x0000000000220000-0x000000000022A000-memory.dmp

                    Filesize

                    40KB

                  • memory/1524-171-0x0000000000100000-0x0000000000101000-memory.dmp

                    Filesize

                    4KB

                  • memory/1612-161-0x00000000012E0000-0x00000000012E1000-memory.dmp

                    Filesize

                    4KB

                  • memory/1632-134-0x00000000000E0000-0x00000000000E1000-memory.dmp

                    Filesize

                    4KB

                  • memory/1752-108-0x0000000000400000-0x0000000000409000-memory.dmp

                    Filesize

                    36KB

                  • memory/1768-60-0x00000000769B1000-0x00000000769B3000-memory.dmp

                    Filesize

                    8KB

                  • memory/1768-61-0x0000000003780000-0x0000000003944000-memory.dmp

                    Filesize

                    1.8MB

                  • memory/1864-154-0x00000000003D0000-0x00000000003E8000-memory.dmp

                    Filesize

                    96KB

                  • memory/1864-101-0x0000000000EC0000-0x0000000000EC1000-memory.dmp

                    Filesize

                    4KB

                  • memory/1892-162-0x00000000000F0000-0x00000000000F1000-memory.dmp

                    Filesize

                    4KB

                  • memory/1916-181-0x0000000004950000-0x0000000004A1F000-memory.dmp

                    Filesize

                    828KB

                  • memory/1916-187-0x00000000023C0000-0x00000000023CB000-memory.dmp

                    Filesize

                    44KB

                  • memory/1916-186-0x0000000002450000-0x000000000251D000-memory.dmp

                    Filesize

                    820KB

                  • memory/2164-163-0x0000000001280000-0x0000000001281000-memory.dmp

                    Filesize

                    4KB

                  • memory/2604-173-0x0000000000400000-0x0000000000422000-memory.dmp

                    Filesize

                    136KB

                  • memory/2620-184-0x0000000000400000-0x0000000000422000-memory.dmp

                    Filesize

                    136KB

                  • memory/2620-175-0x0000000000400000-0x0000000000422000-memory.dmp

                    Filesize

                    136KB

                  • memory/2640-176-0x0000000000400000-0x0000000000422000-memory.dmp

                    Filesize

                    136KB