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Analysis

  • max time kernel
    1018s
  • max time network
    1788s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    21-08-2021 10:21

General

  • Target

    Setup (18).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
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Vidar Stealer 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 27 IoCs
  • Checks BIOS information in registry 2 TTPs 8 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 34 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Themida packer 11 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 4 IoCs
  • Looks up external IP address via web service 6 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Modifies system certificate store 2 TTPs 7 IoCs
  • Script User-Agent 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup (18).exe
    "C:\Users\Admin\AppData\Local\Temp\Setup (18).exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1100
    • C:\Users\Admin\Documents\Oyuj4edM0T5VmLi18wOaJkwV.exe
      "C:\Users\Admin\Documents\Oyuj4edM0T5VmLi18wOaJkwV.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      PID:1712
      • C:\Users\Admin\Documents\Oyuj4edM0T5VmLi18wOaJkwV.exe
        C:\Users\Admin\Documents\Oyuj4edM0T5VmLi18wOaJkwV.exe
        3⤵
        • Executes dropped EXE
        PID:2588
    • C:\Users\Admin\Documents\JAuu_xm_T50e6s9PdjWgjFdv.exe
      "C:\Users\Admin\Documents\JAuu_xm_T50e6s9PdjWgjFdv.exe"
      2⤵
      • Executes dropped EXE
      PID:864
      • C:\Users\Admin\Documents\JAuu_xm_T50e6s9PdjWgjFdv.exe
        "C:\Users\Admin\Documents\JAuu_xm_T50e6s9PdjWgjFdv.exe"
        3⤵
        • Executes dropped EXE
        PID:2908
    • C:\Users\Admin\Documents\kDxZzwURoJSup884EVALAd3U.exe
      "C:\Users\Admin\Documents\kDxZzwURoJSup884EVALAd3U.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      PID:1816
      • C:\Users\Admin\Documents\kDxZzwURoJSup884EVALAd3U.exe
        C:\Users\Admin\Documents\kDxZzwURoJSup884EVALAd3U.exe
        3⤵
        • Executes dropped EXE
        PID:2596
    • C:\Users\Admin\Documents\GXqcntlGHYc0L66NCl4YUrE5.exe
      "C:\Users\Admin\Documents\GXqcntlGHYc0L66NCl4YUrE5.exe"
      2⤵
      • Executes dropped EXE
      PID:1572
    • C:\Users\Admin\Documents\QK0MTdDnAdyZUCU9jKi6ZY7G.exe
      "C:\Users\Admin\Documents\QK0MTdDnAdyZUCU9jKi6ZY7G.exe"
      2⤵
      • Executes dropped EXE
      PID:2000
    • C:\Users\Admin\Documents\aTau7XhS8PLQSkPiaxNkamKd.exe
      "C:\Users\Admin\Documents\aTau7XhS8PLQSkPiaxNkamKd.exe"
      2⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of AdjustPrivilegeToken
      PID:1232
    • C:\Users\Admin\Documents\vqkFUAOaKnMc5RZ3DW_HEkOZ.exe
      "C:\Users\Admin\Documents\vqkFUAOaKnMc5RZ3DW_HEkOZ.exe"
      2⤵
      • Executes dropped EXE
      PID:1840
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1840 -s 876
        3⤵
        • Program crash
        PID:1856
    • C:\Users\Admin\Documents\8UxyzatQIoIZ2XmTP9nwbDgB.exe
      "C:\Users\Admin\Documents\8UxyzatQIoIZ2XmTP9nwbDgB.exe"
      2⤵
      • Executes dropped EXE
      PID:960
    • C:\Users\Admin\Documents\aFevX1m0GF5d5k730ibc_fIi.exe
      "C:\Users\Admin\Documents\aFevX1m0GF5d5k730ibc_fIi.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:988
    • C:\Users\Admin\Documents\ea483tLhmJYU48alI1kSD5Um.exe
      "C:\Users\Admin\Documents\ea483tLhmJYU48alI1kSD5Um.exe"
      2⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      PID:632
    • C:\Users\Admin\Documents\3Br0OpI0fjt5PAbS8ImoZRO5.exe
      "C:\Users\Admin\Documents\3Br0OpI0fjt5PAbS8ImoZRO5.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1176
      • C:\Users\Admin\AppData\Roaming\2106953.exe
        "C:\Users\Admin\AppData\Roaming\2106953.exe"
        3⤵
        • Executes dropped EXE
        PID:2140
      • C:\Users\Admin\AppData\Roaming\8080638.exe
        "C:\Users\Admin\AppData\Roaming\8080638.exe"
        3⤵
        • Executes dropped EXE
        PID:2708
      • C:\Users\Admin\AppData\Roaming\6269776.exe
        "C:\Users\Admin\AppData\Roaming\6269776.exe"
        3⤵
        • Executes dropped EXE
        PID:2076
    • C:\Users\Admin\Documents\VayOCucCmXnp9pR3UmRKIgFZ.exe
      "C:\Users\Admin\Documents\VayOCucCmXnp9pR3UmRKIgFZ.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:804
    • C:\Users\Admin\Documents\kgrPYoJFknb9sW4ljsLu8SBi.exe
      "C:\Users\Admin\Documents\kgrPYoJFknb9sW4ljsLu8SBi.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:656
    • C:\Users\Admin\Documents\XP_hFz01vfcQZOMF_gGVNyCT.exe
      "C:\Users\Admin\Documents\XP_hFz01vfcQZOMF_gGVNyCT.exe"
      2⤵
      • Executes dropped EXE
      PID:732
    • C:\Users\Admin\Documents\OtUxGS2AanQZ0NCDclLYbwXh.exe
      "C:\Users\Admin\Documents\OtUxGS2AanQZ0NCDclLYbwXh.exe"
      2⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      PID:692
    • C:\Users\Admin\Documents\eWy9rwr5i5szjZBj9cBV2k4M.exe
      "C:\Users\Admin\Documents\eWy9rwr5i5szjZBj9cBV2k4M.exe"
      2⤵
        PID:852
      • C:\Users\Admin\Documents\d9RKMywc7Cv0hN3epr3XbFCP.exe
        "C:\Users\Admin\Documents\d9RKMywc7Cv0hN3epr3XbFCP.exe"
        2⤵
        • Executes dropped EXE
        PID:1924
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c taskkill /im "d9RKMywc7Cv0hN3epr3XbFCP.exe" /f & erase "C:\Users\Admin\Documents\d9RKMywc7Cv0hN3epr3XbFCP.exe" & exit
          3⤵
            PID:2616
        • C:\Users\Admin\Documents\S_oBUrt6tiby69YBurKbOmPQ.exe
          "C:\Users\Admin\Documents\S_oBUrt6tiby69YBurKbOmPQ.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:2052
        • C:\Users\Admin\Documents\lTppLAzi8WQvwLARPLSVxNG5.exe
          "C:\Users\Admin\Documents\lTppLAzi8WQvwLARPLSVxNG5.exe"
          2⤵
          • Executes dropped EXE
          PID:812
        • C:\Users\Admin\Documents\ZSFZYvSMNDGmffyInEMQptV2.exe
          "C:\Users\Admin\Documents\ZSFZYvSMNDGmffyInEMQptV2.exe"
          2⤵
          • Executes dropped EXE
          PID:1768
        • C:\Users\Admin\Documents\0Ofgf1rtk_CtH7RKEk7fIYZs.exe
          "C:\Users\Admin\Documents\0Ofgf1rtk_CtH7RKEk7fIYZs.exe"
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2124
          • C:\Users\Admin\AppData\Local\Temp\is-45RBO.tmp\0Ofgf1rtk_CtH7RKEk7fIYZs.tmp
            "C:\Users\Admin\AppData\Local\Temp\is-45RBO.tmp\0Ofgf1rtk_CtH7RKEk7fIYZs.tmp" /SL5="$3016C,138429,56832,C:\Users\Admin\Documents\0Ofgf1rtk_CtH7RKEk7fIYZs.exe"
            3⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Modifies system certificate store
            • Suspicious use of FindShellTrayWindow
            PID:3004
      • C:\Users\Admin\AppData\Local\Temp\D3A4.exe
        C:\Users\Admin\AppData\Local\Temp\D3A4.exe
        1⤵
          PID:2920
          • C:\Users\Admin\AppData\Local\Temp\D3A4.exe
            C:\Users\Admin\AppData\Local\Temp\D3A4.exe
            2⤵
              PID:1784
              • C:\Windows\SysWOW64\icacls.exe
                icacls "C:\Users\Admin\AppData\Local\f6944a92-3924-4dbc-a34d-5986ed22ef4e" /deny *S-1-1-0:(OI)(CI)(DE,DC)
                3⤵
                • Modifies file permissions
                • Checks SCSI registry key(s)
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious behavior: MapViewOfSection
                PID:812
              • C:\Users\Admin\AppData\Local\Temp\D3A4.exe
                "C:\Users\Admin\AppData\Local\Temp\D3A4.exe" --Admin IsNotAutoStart IsNotTask
                3⤵
                  PID:2632
            • C:\Users\Admin\AppData\Local\Temp\F2C9.exe
              C:\Users\Admin\AppData\Local\Temp\F2C9.exe
              1⤵
                PID:1676
              • C:\Users\Admin\AppData\Local\Temp\1087.exe
                C:\Users\Admin\AppData\Local\Temp\1087.exe
                1⤵
                  PID:2336
                • C:\Users\Admin\AppData\Local\Temp\741A.exe
                  C:\Users\Admin\AppData\Local\Temp\741A.exe
                  1⤵
                    PID:2328
                    • C:\Users\Admin\AppData\Local\Temp\bd1299733e\rnyuf.exe
                      "C:\Users\Admin\AppData\Local\Temp\bd1299733e\rnyuf.exe"
                      2⤵
                        PID:2836

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/632-180-0x00000000003A0000-0x00000000003A1000-memory.dmp

                      Filesize

                      4KB

                    • memory/656-167-0x00000000072D0000-0x00000000072EA000-memory.dmp

                      Filesize

                      104KB

                    • memory/656-163-0x0000000004700000-0x000000000471C000-memory.dmp

                      Filesize

                      112KB

                    • memory/732-156-0x0000000000D30000-0x0000000000D31000-memory.dmp

                      Filesize

                      4KB

                    • memory/804-157-0x0000000000C00000-0x0000000000C01000-memory.dmp

                      Filesize

                      4KB

                    • memory/960-158-0x0000000000230000-0x0000000000231000-memory.dmp

                      Filesize

                      4KB

                    • memory/988-154-0x0000000000AC0000-0x0000000000AC1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1100-60-0x0000000076E11000-0x0000000076E13000-memory.dmp

                      Filesize

                      8KB

                    • memory/1100-61-0x0000000003E60000-0x0000000003F9F000-memory.dmp

                      Filesize

                      1.2MB

                    • memory/1176-181-0x0000000000350000-0x000000000036C000-memory.dmp

                      Filesize

                      112KB

                    • memory/1176-117-0x0000000000BE0000-0x0000000000BE1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1232-200-0x0000000000B40000-0x0000000000B41000-memory.dmp

                      Filesize

                      4KB

                    • memory/1572-114-0x0000000000DD0000-0x0000000000DD1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1676-210-0x0000000003E00000-0x0000000003E1C000-memory.dmp

                      Filesize

                      112KB

                    • memory/1676-211-0x0000000006510000-0x000000000652A000-memory.dmp

                      Filesize

                      104KB

                    • memory/1712-155-0x0000000000DA0000-0x0000000000DA1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1784-206-0x0000000000400000-0x0000000000537000-memory.dmp

                      Filesize

                      1.2MB

                    • memory/1816-153-0x0000000000F70000-0x0000000000F71000-memory.dmp

                      Filesize

                      4KB

                    • memory/1840-137-0x0000000002D10000-0x0000000002DAD000-memory.dmp

                      Filesize

                      628KB

                    • memory/2052-164-0x00000000002C0000-0x00000000002C1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2076-193-0x0000000000FA0000-0x0000000000FA1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2140-185-0x0000000001060000-0x0000000001061000-memory.dmp

                      Filesize

                      4KB

                    • memory/2588-168-0x0000000000400000-0x000000000041E000-memory.dmp

                      Filesize

                      120KB

                    • memory/2588-174-0x0000000000400000-0x000000000041E000-memory.dmp

                      Filesize

                      120KB

                    • memory/2596-176-0x0000000000400000-0x000000000041E000-memory.dmp

                      Filesize

                      120KB

                    • memory/2596-169-0x0000000000400000-0x000000000041E000-memory.dmp

                      Filesize

                      120KB

                    • memory/2708-189-0x0000000000BE0000-0x0000000000BE1000-memory.dmp

                      Filesize

                      4KB

                    • memory/3004-197-0x0000000001E60000-0x0000000001E9C000-memory.dmp

                      Filesize

                      240KB

                    • memory/3004-199-0x0000000074861000-0x0000000074863000-memory.dmp

                      Filesize

                      8KB