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Analysis

  • max time kernel
    1322s
  • max time network
    1389s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    27-06-2021 21:41

General

  • Target

    setup_x86_x64_install - копия (13).exe

Malware Config

Extracted

Family

vidar

Version

39.4

Botnet

706

C2

https://sergeevih43.tumblr.com

Attributes
  • profile_id

    706

Extracted

Family

redline

Botnet

ServAni

C2

87.251.71.195:82

Signatures

  • RedLine

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

  • RedLine Payload 3 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 2 IoCs
  • ASPack v2.12-2.42 14 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 11 IoCs
  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 51 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • 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.

  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\setup_x86_x64_install - копия (13).exe
    "C:\Users\Admin\AppData\Local\Temp\setup_x86_x64_install - копия (13).exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1092
    • C:\Users\Admin\AppData\Local\Temp\setup_installer.exe
      "C:\Users\Admin\AppData\Local\Temp\setup_installer.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1144
      • C:\Users\Admin\AppData\Local\Temp\7zS874E8C34\setup_install.exe
        "C:\Users\Admin\AppData\Local\Temp\7zS874E8C34\setup_install.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1736
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c arnatic_1.exe
          4⤵
          • Loads dropped DLL
          PID:548
          • C:\Users\Admin\AppData\Local\Temp\7zS874E8C34\arnatic_1.exe
            arnatic_1.exe
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Modifies system certificate store
            PID:1820
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1820 -s 964
              6⤵
              • Loads dropped DLL
              • Program crash
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:268
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c arnatic_2.exe
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1460
          • C:\Users\Admin\AppData\Local\Temp\7zS874E8C34\arnatic_2.exe
            arnatic_2.exe
            5⤵
            • Executes dropped EXE
            PID:1396
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c arnatic_3.exe
          4⤵
            PID:1908
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c arnatic_6.exe
            4⤵
              PID:1440
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c arnatic_7.exe
              4⤵
              • Loads dropped DLL
              PID:616
              • C:\Users\Admin\AppData\Local\Temp\7zS874E8C34\arnatic_7.exe
                arnatic_7.exe
                5⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Suspicious use of SetThreadContext
                PID:1604
                • C:\Users\Admin\AppData\Local\Temp\7zS874E8C34\arnatic_7.exe
                  C:\Users\Admin\AppData\Local\Temp\7zS874E8C34\arnatic_7.exe
                  6⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:784
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c arnatic_5.exe
              4⤵
                PID:1248
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c arnatic_4.exe
                4⤵
                • Loads dropped DLL
                PID:1348
                • C:\Users\Admin\AppData\Local\Temp\7zS874E8C34\arnatic_4.exe
                  arnatic_4.exe
                  5⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • Modifies system certificate store
                  PID:1752
                  • 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
                    6⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    PID:1596
                  • 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
                    6⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    • Suspicious behavior: EnumeratesProcesses
                    PID:1104
                  • 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
                    6⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    PID:1000
                  • 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
                    6⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    PID:920

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/268-179-0x0000000000450000-0x0000000000451000-memory.dmp

          Filesize

          4KB

        • memory/784-161-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/784-169-0x0000000004F20000-0x0000000004F21000-memory.dmp

          Filesize

          4KB

        • memory/784-167-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/1092-60-0x00000000757D1000-0x00000000757D3000-memory.dmp

          Filesize

          8KB

        • memory/1604-147-0x0000000001010000-0x0000000001011000-memory.dmp

          Filesize

          4KB

        • memory/1736-92-0x0000000000400000-0x000000000051E000-memory.dmp

          Filesize

          1.1MB

        • memory/1736-105-0x0000000064940000-0x0000000064959000-memory.dmp

          Filesize

          100KB

        • memory/1736-114-0x000000006FE40000-0x000000006FFC6000-memory.dmp

          Filesize

          1.5MB

        • memory/1736-115-0x000000006B280000-0x000000006B2A6000-memory.dmp

          Filesize

          152KB

        • memory/1736-116-0x0000000000400000-0x000000000051E000-memory.dmp

          Filesize

          1.1MB

        • memory/1736-89-0x000000006B440000-0x000000006B4CF000-memory.dmp

          Filesize

          572KB

        • memory/1736-112-0x000000006B440000-0x000000006B4CF000-memory.dmp

          Filesize

          572KB

        • memory/1736-90-0x000000006FE40000-0x000000006FFC6000-memory.dmp

          Filesize

          1.5MB

        • memory/1736-91-0x000000006B280000-0x000000006B2A6000-memory.dmp

          Filesize

          152KB

        • memory/1736-110-0x0000000064940000-0x0000000064959000-memory.dmp

          Filesize

          100KB

        • memory/1736-109-0x0000000064940000-0x0000000064959000-memory.dmp

          Filesize

          100KB

        • memory/1736-107-0x0000000064940000-0x0000000064959000-memory.dmp

          Filesize

          100KB

        • memory/1820-158-0x0000000000ED0000-0x0000000000F6D000-memory.dmp

          Filesize

          628KB

        • memory/1820-159-0x0000000000400000-0x0000000000949000-memory.dmp

          Filesize

          5.3MB