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Analysis

  • max time kernel
    573s
  • max time network
    1834s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    31-08-2021 19:51

General

  • Target

    Setup (13).exe

  • Size

    631KB

  • MD5

    cb927513ff8ebff4dd52a47f7e42f934

  • SHA1

    0de47c02a8adc4940a6c18621b4e4a619641d029

  • SHA256

    fd5c970806fba1500cbb6af5328329aeb43b8de3f02d90ec5d8cd1d57711622f

  • SHA512

    988c8fd886a9155b7d190faf2ce6b34d910efcffcf1c6251f18a9d0c804a0ea26a89679273033ac98b200363c536426efd1ae9de445c34e660369abb06f0071c

Malware Config

Extracted

Family

redline

Botnet

1

C2

37.0.8.88:44263

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • RedLine

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

  • RedLine Payload 9 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 28 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 39 IoCs
  • Themida packer 10 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 4 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 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 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 processor information in registry 2 TTPs 2 IoCs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Kills process with taskkill 1 IoCs
  • Modifies system certificate store 2 TTPs 10 IoCs
  • Script User-Agent 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup (13).exe
    "C:\Users\Admin\AppData\Local\Temp\Setup (13).exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1624
    • C:\Users\Admin\Documents\_BujYH_t8eHzVXQHjFaD6ohb.exe
      "C:\Users\Admin\Documents\_BujYH_t8eHzVXQHjFaD6ohb.exe"
      2⤵
      • Executes dropped EXE
      PID:680
    • C:\Users\Admin\Documents\lEGvPgd316d3R1Uy7KzCuNyI.exe
      "C:\Users\Admin\Documents\lEGvPgd316d3R1Uy7KzCuNyI.exe"
      2⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      PID:1468
    • C:\Users\Admin\Documents\ZdbMJhXSnPc8fhMiqAku94lO.exe
      "C:\Users\Admin\Documents\ZdbMJhXSnPc8fhMiqAku94lO.exe"
      2⤵
      • Executes dropped EXE
      PID:1436
    • C:\Users\Admin\Documents\GQtHIWnQ8BVmahGlNJru2RZu.exe
      "C:\Users\Admin\Documents\GQtHIWnQ8BVmahGlNJru2RZu.exe"
      2⤵
      • Executes dropped EXE
      PID:1676
    • C:\Users\Admin\Documents\CgrxuiJzli32TMEfKGQ5T_ro.exe
      "C:\Users\Admin\Documents\CgrxuiJzli32TMEfKGQ5T_ro.exe"
      2⤵
      • Executes dropped EXE
      PID:1768
    • C:\Users\Admin\Documents\RqKddI1HouR5pyJ3VBcKFD0I.exe
      "C:\Users\Admin\Documents\RqKddI1HouR5pyJ3VBcKFD0I.exe"
      2⤵
      • Executes dropped EXE
      PID:1284
      • C:\Users\Admin\Documents\RqKddI1HouR5pyJ3VBcKFD0I.exe
        "C:\Users\Admin\Documents\RqKddI1HouR5pyJ3VBcKFD0I.exe" -u
        3⤵
        • Executes dropped EXE
        PID:2192
    • C:\Users\Admin\Documents\TqFzD9Qq5VTGJLw_mvsi3OfR.exe
      "C:\Users\Admin\Documents\TqFzD9Qq5VTGJLw_mvsi3OfR.exe"
      2⤵
      • Executes dropped EXE
      PID:1924
    • C:\Users\Admin\Documents\6dqd9M0GKaSIVT8RLOpzrseW.exe
      "C:\Users\Admin\Documents\6dqd9M0GKaSIVT8RLOpzrseW.exe"
      2⤵
      • Executes dropped EXE
      PID:1596
    • C:\Users\Admin\Documents\xF76FTeg2QiNhlXa7gSPPkx8.exe
      "C:\Users\Admin\Documents\xF76FTeg2QiNhlXa7gSPPkx8.exe"
      2⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      PID:1940
    • C:\Users\Admin\Documents\ozzUho4XOQK2EdcKmlB3xH7r.exe
      "C:\Users\Admin\Documents\ozzUho4XOQK2EdcKmlB3xH7r.exe"
      2⤵
      • Executes dropped EXE
      PID:1560
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{yzY5-u2VHc-Cuag-p2sfY}\51185758875.exe"
        3⤵
        • Loads dropped DLL
        PID:3016
        • C:\Users\Admin\AppData\Local\Temp\{yzY5-u2VHc-Cuag-p2sfY}\51185758875.exe
          "C:\Users\Admin\AppData\Local\Temp\{yzY5-u2VHc-Cuag-p2sfY}\51185758875.exe"
          4⤵
          • Executes dropped EXE
          • Checks BIOS information in registry
          • Checks whether UAC is enabled
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          PID:1796
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{yzY5-u2VHc-Cuag-p2sfY}\84630644011.exe" /mix
        3⤵
          PID:840
      • C:\Users\Admin\Documents\neSPJKgo5PTgRE2JrjLM_kKg.exe
        "C:\Users\Admin\Documents\neSPJKgo5PTgRE2JrjLM_kKg.exe"
        2⤵
        • Executes dropped EXE
        PID:536
      • C:\Users\Admin\Documents\mLgMEpyLzAEjhpAkFX3nLTTv.exe
        "C:\Users\Admin\Documents\mLgMEpyLzAEjhpAkFX3nLTTv.exe"
        2⤵
        • Executes dropped EXE
        PID:752
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{YkLF-GW4F3-vAB6-udayj}\20647562790.exe"
          3⤵
          • Loads dropped DLL
          PID:2876
          • C:\Users\Admin\AppData\Local\Temp\{YkLF-GW4F3-vAB6-udayj}\20647562790.exe
            "C:\Users\Admin\AppData\Local\Temp\{YkLF-GW4F3-vAB6-udayj}\20647562790.exe"
            4⤵
            • Executes dropped EXE
            PID:2952
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{YkLF-GW4F3-vAB6-udayj}\99292444027.exe" /mix
          3⤵
          • Loads dropped DLL
          PID:2932
          • C:\Users\Admin\AppData\Local\Temp\{YkLF-GW4F3-vAB6-udayj}\99292444027.exe
            "C:\Users\Admin\AppData\Local\Temp\{YkLF-GW4F3-vAB6-udayj}\99292444027.exe" /mix
            4⤵
            • Executes dropped EXE
            • Checks processor information in registry
            PID:1576
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c taskkill /im "mLgMEpyLzAEjhpAkFX3nLTTv.exe" /f & erase "C:\Users\Admin\Documents\mLgMEpyLzAEjhpAkFX3nLTTv.exe" & exit
          3⤵
            PID:2188
            • C:\Windows\SysWOW64\taskkill.exe
              taskkill /im "mLgMEpyLzAEjhpAkFX3nLTTv.exe" /f
              4⤵
              • Kills process with taskkill
              PID:1628
        • C:\Users\Admin\Documents\7eFG6Ijvz2kezoWB3stYlqQr.exe
          "C:\Users\Admin\Documents\7eFG6Ijvz2kezoWB3stYlqQr.exe"
          2⤵
          • Executes dropped EXE
          PID:1540
        • C:\Users\Admin\Documents\PUoQnHo39geq0ZDmtDrBeb86.exe
          "C:\Users\Admin\Documents\PUoQnHo39geq0ZDmtDrBeb86.exe"
          2⤵
          • Executes dropped EXE
          PID:888
        • C:\Users\Admin\Documents\rgI_ECeaLV4P8FmHsufvPB91.exe
          "C:\Users\Admin\Documents\rgI_ECeaLV4P8FmHsufvPB91.exe"
          2⤵
            PID:328
          • C:\Users\Admin\Documents\3JEkOCrwuCt5NHJmvqemn3Sm.exe
            "C:\Users\Admin\Documents\3JEkOCrwuCt5NHJmvqemn3Sm.exe"
            2⤵
            • Executes dropped EXE
            PID:1248
          • C:\Users\Admin\Documents\FLB15tBTrAVF630gmUB9dZ7K.exe
            "C:\Users\Admin\Documents\FLB15tBTrAVF630gmUB9dZ7K.exe"
            2⤵
            • Executes dropped EXE
            • Checks BIOS information in registry
            • Checks whether UAC is enabled
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            PID:1680
          • C:\Users\Admin\Documents\rBqJhiGkLVPH5JrcCYtFnbjn.exe
            "C:\Users\Admin\Documents\rBqJhiGkLVPH5JrcCYtFnbjn.exe"
            2⤵
            • Executes dropped EXE
            PID:1956
          • C:\Users\Admin\Documents\uYj1JksFPtjzF2QQ4vD1AD0f.exe
            "C:\Users\Admin\Documents\uYj1JksFPtjzF2QQ4vD1AD0f.exe"
            2⤵
            • Executes dropped EXE
            PID:1212
          • C:\Users\Admin\Documents\TsPNr6ogNsmonGpk6T0A4fm2.exe
            "C:\Users\Admin\Documents\TsPNr6ogNsmonGpk6T0A4fm2.exe"
            2⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            PID:1360
            • C:\Users\Admin\Documents\TsPNr6ogNsmonGpk6T0A4fm2.exe
              C:\Users\Admin\Documents\TsPNr6ogNsmonGpk6T0A4fm2.exe
              3⤵
              • Executes dropped EXE
              PID:2256
            • C:\Users\Admin\Documents\TsPNr6ogNsmonGpk6T0A4fm2.exe
              C:\Users\Admin\Documents\TsPNr6ogNsmonGpk6T0A4fm2.exe
              3⤵
              • Executes dropped EXE
              PID:1516
            • C:\Users\Admin\Documents\TsPNr6ogNsmonGpk6T0A4fm2.exe
              C:\Users\Admin\Documents\TsPNr6ogNsmonGpk6T0A4fm2.exe
              3⤵
                PID:2636
              • C:\Users\Admin\Documents\TsPNr6ogNsmonGpk6T0A4fm2.exe
                C:\Users\Admin\Documents\TsPNr6ogNsmonGpk6T0A4fm2.exe
                3⤵
                  PID:2968
                • C:\Users\Admin\Documents\TsPNr6ogNsmonGpk6T0A4fm2.exe
                  C:\Users\Admin\Documents\TsPNr6ogNsmonGpk6T0A4fm2.exe
                  3⤵
                    PID:1192
                  • C:\Users\Admin\Documents\TsPNr6ogNsmonGpk6T0A4fm2.exe
                    C:\Users\Admin\Documents\TsPNr6ogNsmonGpk6T0A4fm2.exe
                    3⤵
                      PID:668
                    • C:\Users\Admin\Documents\TsPNr6ogNsmonGpk6T0A4fm2.exe
                      C:\Users\Admin\Documents\TsPNr6ogNsmonGpk6T0A4fm2.exe
                      3⤵
                        PID:1804
                      • C:\Users\Admin\Documents\TsPNr6ogNsmonGpk6T0A4fm2.exe
                        C:\Users\Admin\Documents\TsPNr6ogNsmonGpk6T0A4fm2.exe
                        3⤵
                          PID:2172
                      • C:\Users\Admin\Documents\rt7hFs_EIxdgHB4t29MOMKrt.exe
                        "C:\Users\Admin\Documents\rt7hFs_EIxdgHB4t29MOMKrt.exe"
                        2⤵
                        • Executes dropped EXE
                        PID:1732
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 776
                          3⤵
                          • Program crash
                          PID:2528
                      • C:\Users\Admin\Documents\AvUcn5wheWP3QGX4Yrhof0Zb.exe
                        "C:\Users\Admin\Documents\AvUcn5wheWP3QGX4Yrhof0Zb.exe"
                        2⤵
                        • Executes dropped EXE
                        PID:1944
                      • C:\Users\Admin\Documents\wH4OyYXb0VPcJsNnHBFzws5Y.exe
                        "C:\Users\Admin\Documents\wH4OyYXb0VPcJsNnHBFzws5Y.exe"
                        2⤵
                        • Executes dropped EXE
                        • Drops file in Program Files directory
                        • Modifies system certificate store
                        PID:1976
                        • C:\Windows\SysWOW64\schtasks.exe
                          schtasks /create /f /RU "Admin" /tr "C:\Program Files (x86)\PowerControl\PowerControl_Svc.exe" /tn "PowerControl HR" /sc HOURLY /rl HIGHEST
                          3⤵
                          • Creates scheduled task(s)
                          PID:2332
                        • C:\Windows\SysWOW64\schtasks.exe
                          schtasks /create /f /RU "Admin" /tr "C:\Program Files (x86)\PowerControl\PowerControl_Svc.exe" /tn "PowerControl LG" /sc ONLOGON /rl HIGHEST
                          3⤵
                          • Creates scheduled task(s)
                          PID:2348
                    • C:\Windows\system32\rundll32.exe
                      rundll32.exe "C:\Users\Admin\AppData\Local\Temp\sqlite.dll",global
                      1⤵
                      • Process spawned unexpected child process
                      PID:2624
                      • C:\Windows\SysWOW64\rundll32.exe
                        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\sqlite.dll",global
                        2⤵
                        • Loads dropped DLL
                        PID:2652

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/680-183-0x0000000001390000-0x0000000001391000-memory.dmp

                      Filesize

                      4KB

                    • memory/752-156-0x0000000000220000-0x000000000024F000-memory.dmp

                      Filesize

                      188KB

                    • memory/1212-184-0x0000000000070000-0x0000000000071000-memory.dmp

                      Filesize

                      4KB

                    • memory/1248-116-0x0000000000BE0000-0x0000000000BE1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1360-179-0x00000000011B0000-0x00000000011B1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1436-182-0x0000000000910000-0x0000000000911000-memory.dmp

                      Filesize

                      4KB

                    • memory/1624-61-0x0000000003960000-0x0000000003A9F000-memory.dmp

                      Filesize

                      1.2MB

                    • memory/1624-60-0x00000000752F1000-0x00000000752F3000-memory.dmp

                      Filesize

                      8KB

                    • memory/1676-101-0x0000000000160000-0x0000000000161000-memory.dmp

                      Filesize

                      4KB

                    • memory/1680-185-0x0000000000FD0000-0x0000000000FD1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1796-195-0x0000000000DB0000-0x0000000000DB1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1924-180-0x00000000001F0000-0x00000000001F1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1940-187-0x0000000000200000-0x0000000000201000-memory.dmp

                      Filesize

                      4KB

                    • memory/1956-175-0x0000000000AF0000-0x0000000000AF1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2256-197-0x0000000000400000-0x000000000044A000-memory.dmp

                      Filesize

                      296KB

                    • memory/2256-201-0x0000000000400000-0x000000000044A000-memory.dmp

                      Filesize

                      296KB

                    • memory/2952-231-0x0000000001000000-0x0000000001001000-memory.dmp

                      Filesize

                      4KB