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10-07-2021 13:25

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09-07-2021 23:00

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09-07-2021 16:08

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Analysis

  • max time kernel
    1802s
  • max time network
    1799s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    10-07-2021 13:25

General

  • Target

    toolspab2 (17).exe

  • Size

    315KB

  • MD5

    1d20e1f65938e837ef1b88f10f1bd6c3

  • SHA1

    703d7098dbfc476d2181b7fc041cc23e49c368f1

  • SHA256

    05cd7440851f13dd8f489bb3c06eba385d85d7d9a77a612049c04c541a88593d

  • SHA512

    f9d333abe1f721b8d45d7bc6b5f286af09a8d233bd1d41f0ad891840cf742364aeca2cb6ccd6543f56a8eaf32804f82f72f961d16d5ba663ad706d164915a196

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://999080321newfolder1002002131-service1002.space/

http://999080321newfolder1002002231-service1002.space/

http://999080321newfolder3100231-service1002.space/

http://999080321newfolder1002002431-service1002.space/

http://999080321newfolder1002002531-service1002.space/

http://999080321newfolder33417-012425999080321.space/

http://999080321test125831-service10020125999080321.space/

http://999080321test136831-service10020125999080321.space/

http://999080321test147831-service10020125999080321.space/

http://999080321test146831-service10020125999080321.space/

http://999080321test134831-service10020125999080321.space/

http://999080321est213531-service1002012425999080321.ru/

http://999080321yes1t3481-service10020125999080321.ru/

http://999080321test13561-service10020125999080321.su/

http://999080321test14781-service10020125999080321.info/

http://999080321test13461-service10020125999080321.net/

http://999080321test15671-service10020125999080321.tech/

http://999080321test12671-service10020125999080321.online/

http://999080321utest1341-service10020125999080321.ru/

http://999080321uest71-service100201dom25999080321.ru/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

1

C2

45.32.235.238:45555

Signatures

  • RedLine

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

  • RedLine Payload 4 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 14 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Themida packer 3 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
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\toolspab2 (17).exe
    "C:\Users\Admin\AppData\Local\Temp\toolspab2 (17).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:416
    • C:\Users\Admin\AppData\Local\Temp\toolspab2 (17).exe
      "C:\Users\Admin\AppData\Local\Temp\toolspab2 (17).exe"
      2⤵
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:824
  • C:\Users\Admin\AppData\Local\Temp\4259.exe
    C:\Users\Admin\AppData\Local\Temp\4259.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:2020
  • C:\Users\Admin\AppData\Local\Temp\43A2.exe
    C:\Users\Admin\AppData\Local\Temp\43A2.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:3040
  • C:\Users\Admin\AppData\Local\Temp\4653.exe
    C:\Users\Admin\AppData\Local\Temp\4653.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1360
    • C:\Users\Admin\AppData\Local\Temp\4653.exe
      C:\Users\Admin\AppData\Local\Temp\4653.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1676
  • C:\Users\Admin\AppData\Local\Temp\761E.exe
    C:\Users\Admin\AppData\Local\Temp\761E.exe
    1⤵
    • Executes dropped EXE
    PID:708
  • C:\Users\Admin\AppData\Local\Temp\7823.exe
    C:\Users\Admin\AppData\Local\Temp\7823.exe
    1⤵
    • Executes dropped EXE
    PID:3984
  • C:\Users\Admin\AppData\Local\Temp\7C4A.exe
    C:\Users\Admin\AppData\Local\Temp\7C4A.exe
    1⤵
    • Executes dropped EXE
    PID:1608
  • C:\Users\Admin\AppData\Local\Temp\8312.exe
    C:\Users\Admin\AppData\Local\Temp\8312.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:2860
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:192
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:1668
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:3536
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:3812
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:2752
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:4064
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:3160
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:2252
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:500
                    • C:\Users\Admin\AppData\Roaming\awrwigv
                      C:\Users\Admin\AppData\Roaming\awrwigv
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:2044
                      • C:\Users\Admin\AppData\Roaming\awrwigv
                        C:\Users\Admin\AppData\Roaming\awrwigv
                        2⤵
                        • Executes dropped EXE
                        PID:3492
                    • C:\Users\Admin\AppData\Roaming\awrwigv
                      C:\Users\Admin\AppData\Roaming\awrwigv
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:1900
                      • C:\Users\Admin\AppData\Roaming\awrwigv
                        C:\Users\Admin\AppData\Roaming\awrwigv
                        2⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        • Checks SCSI registry key(s)
                        • Suspicious behavior: MapViewOfSection
                        PID:3636
                    • C:\Users\Admin\AppData\Roaming\awrwigv
                      C:\Users\Admin\AppData\Roaming\awrwigv
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:2864
                      • C:\Users\Admin\AppData\Roaming\awrwigv
                        C:\Users\Admin\AppData\Roaming\awrwigv
                        2⤵
                        • Executes dropped EXE
                        PID:4052

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/192-171-0x0000000003270000-0x00000000032E4000-memory.dmp

                      Filesize

                      464KB

                    • memory/192-173-0x0000000003200000-0x000000000326B000-memory.dmp

                      Filesize

                      428KB

                    • memory/416-117-0x00000000001E0000-0x00000000001EC000-memory.dmp

                      Filesize

                      48KB

                    • memory/500-208-0x0000000000690000-0x0000000000699000-memory.dmp

                      Filesize

                      36KB

                    • memory/500-207-0x00000000006A0000-0x00000000006A5000-memory.dmp

                      Filesize

                      20KB

                    • memory/708-163-0x00000000020F0000-0x0000000002181000-memory.dmp

                      Filesize

                      580KB

                    • memory/708-164-0x0000000000400000-0x0000000000492000-memory.dmp

                      Filesize

                      584KB

                    • memory/824-114-0x0000000000400000-0x000000000040C000-memory.dmp

                      Filesize

                      48KB

                    • memory/1360-136-0x0000000004A70000-0x0000000004A71000-memory.dmp

                      Filesize

                      4KB

                    • memory/1360-134-0x0000000004930000-0x0000000004931000-memory.dmp

                      Filesize

                      4KB

                    • memory/1360-132-0x00000000000F0000-0x00000000000F1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1360-135-0x00000000048D0000-0x00000000048D1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1668-183-0x0000000000DA0000-0x0000000000DA7000-memory.dmp

                      Filesize

                      28KB

                    • memory/1668-184-0x0000000000D90000-0x0000000000D9C000-memory.dmp

                      Filesize

                      48KB

                    • memory/1676-144-0x0000000002DF0000-0x0000000002DF1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1676-146-0x00000000052E0000-0x00000000052E1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1676-148-0x0000000005260000-0x0000000005866000-memory.dmp

                      Filesize

                      6.0MB

                    • memory/1676-149-0x00000000067C0000-0x00000000067C1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1676-150-0x0000000006EC0000-0x0000000006EC1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1676-151-0x0000000006990000-0x0000000006991000-memory.dmp

                      Filesize

                      4KB

                    • memory/1676-147-0x0000000005550000-0x0000000005551000-memory.dmp

                      Filesize

                      4KB

                    • memory/1676-153-0x00000000078F0000-0x00000000078F1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1676-152-0x0000000006CA0000-0x0000000006CA1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1676-145-0x00000000052A0000-0x00000000052A1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1676-143-0x0000000005870000-0x0000000005871000-memory.dmp

                      Filesize

                      4KB

                    • memory/1676-137-0x0000000000400000-0x000000000041E000-memory.dmp

                      Filesize

                      120KB

                    • memory/1900-221-0x0000000000460000-0x000000000050E000-memory.dmp

                      Filesize

                      696KB

                    • memory/2044-215-0x0000000000550000-0x000000000069A000-memory.dmp

                      Filesize

                      1.3MB

                    • memory/2252-205-0x00000000010F0000-0x00000000010F9000-memory.dmp

                      Filesize

                      36KB

                    • memory/2252-204-0x0000000001100000-0x0000000001105000-memory.dmp

                      Filesize

                      20KB

                    • memory/2752-192-0x0000000000340000-0x0000000000345000-memory.dmp

                      Filesize

                      20KB

                    • memory/2752-193-0x0000000000330000-0x0000000000339000-memory.dmp

                      Filesize

                      36KB

                    • memory/2860-182-0x00000000057C0000-0x00000000057C1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2860-169-0x0000000000180000-0x0000000000181000-memory.dmp

                      Filesize

                      4KB

                    • memory/2860-180-0x0000000006450000-0x0000000006451000-memory.dmp

                      Filesize

                      4KB

                    • memory/2860-174-0x00000000776B0000-0x000000007783E000-memory.dmp

                      Filesize

                      1.6MB

                    • memory/2864-228-0x0000000000460000-0x000000000050E000-memory.dmp

                      Filesize

                      696KB

                    • memory/3032-118-0x0000000000E60000-0x0000000000E77000-memory.dmp

                      Filesize

                      92KB

                    • memory/3032-222-0x0000000002DF0000-0x0000000002E07000-memory.dmp

                      Filesize

                      92KB

                    • memory/3160-199-0x00000000001D0000-0x00000000001D9000-memory.dmp

                      Filesize

                      36KB

                    • memory/3160-198-0x00000000001E0000-0x00000000001E4000-memory.dmp

                      Filesize

                      16KB

                    • memory/3536-186-0x0000000000570000-0x0000000000577000-memory.dmp

                      Filesize

                      28KB

                    • memory/3536-187-0x0000000000560000-0x000000000056B000-memory.dmp

                      Filesize

                      44KB

                    • memory/3812-189-0x0000000000B20000-0x0000000000B29000-memory.dmp

                      Filesize

                      36KB

                    • memory/3812-190-0x0000000000B10000-0x0000000000B1F000-memory.dmp

                      Filesize

                      60KB

                    • memory/4064-195-0x0000000000140000-0x0000000000146000-memory.dmp

                      Filesize

                      24KB

                    • memory/4064-196-0x0000000000130000-0x000000000013C000-memory.dmp

                      Filesize

                      48KB