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Analysis

  • max time kernel
    151s
  • max time network
    138s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    08-07-2021 13:30

General

  • Target

    toolspab2 (13).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

agressor

C2

65.21.122.45:8085

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • RedLine

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

  • RedLine Payload 2 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 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 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\toolspab2 (13).exe
    "C:\Users\Admin\AppData\Local\Temp\toolspab2 (13).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3944
    • C:\Users\Admin\AppData\Local\Temp\toolspab2 (13).exe
      "C:\Users\Admin\AppData\Local\Temp\toolspab2 (13).exe"
      2⤵
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3828
  • C:\Users\Admin\AppData\Local\Temp\D1CD.exe
    C:\Users\Admin\AppData\Local\Temp\D1CD.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3772
  • C:\Users\Admin\AppData\Local\Temp\D45E.exe
    C:\Users\Admin\AppData\Local\Temp\D45E.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:3600
  • C:\Users\Admin\AppData\Local\Temp\D8C4.exe
    C:\Users\Admin\AppData\Local\Temp\D8C4.exe
    1⤵
    • Executes dropped EXE
    PID:1304
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:4084
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:2112
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:3896
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:684
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:1644
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:620
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:3816
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:3828
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:1296

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/620-159-0x0000000000AF0000-0x0000000000AF6000-memory.dmp

                      Filesize

                      24KB

                    • memory/620-161-0x0000000000AE0000-0x0000000000AEC000-memory.dmp

                      Filesize

                      48KB

                    • memory/684-139-0x0000000000EE0000-0x0000000000EE9000-memory.dmp

                      Filesize

                      36KB

                    • memory/684-140-0x0000000000ED0000-0x0000000000EDF000-memory.dmp

                      Filesize

                      60KB

                    • memory/1296-173-0x0000000002800000-0x0000000002809000-memory.dmp

                      Filesize

                      36KB

                    • memory/1296-172-0x0000000002810000-0x0000000002815000-memory.dmp

                      Filesize

                      20KB

                    • memory/1304-167-0x0000000002080000-0x0000000002111000-memory.dmp

                      Filesize

                      580KB

                    • memory/1644-147-0x0000000002A80000-0x0000000002A89000-memory.dmp

                      Filesize

                      36KB

                    • memory/1644-142-0x0000000002A90000-0x0000000002A95000-memory.dmp

                      Filesize

                      20KB

                    • memory/2112-134-0x00000000004D0000-0x00000000004DC000-memory.dmp

                      Filesize

                      48KB

                    • memory/2112-132-0x00000000004E0000-0x00000000004E7000-memory.dmp

                      Filesize

                      28KB

                    • memory/3044-119-0x0000000001080000-0x0000000001097000-memory.dmp

                      Filesize

                      92KB

                    • memory/3600-163-0x0000000000400000-0x000000000049E000-memory.dmp

                      Filesize

                      632KB

                    • memory/3600-162-0x00000000004A0000-0x00000000005EA000-memory.dmp

                      Filesize

                      1.3MB

                    • memory/3772-151-0x00000000051F0000-0x00000000051F1000-memory.dmp

                      Filesize

                      4KB

                    • memory/3772-164-0x0000000004CE4000-0x0000000004CE6000-memory.dmp

                      Filesize

                      8KB

                    • memory/3772-155-0x0000000002620000-0x0000000002621000-memory.dmp

                      Filesize

                      4KB

                    • memory/3772-153-0x0000000002600000-0x0000000002601000-memory.dmp

                      Filesize

                      4KB

                    • memory/3772-150-0x0000000000400000-0x000000000046F000-memory.dmp

                      Filesize

                      444KB

                    • memory/3772-149-0x00000000004C0000-0x00000000004EF000-memory.dmp

                      Filesize

                      188KB

                    • memory/3772-145-0x0000000004CE2000-0x0000000004CE3000-memory.dmp

                      Filesize

                      4KB

                    • memory/3772-182-0x00000000071F0000-0x00000000071F1000-memory.dmp

                      Filesize

                      4KB

                    • memory/3772-156-0x0000000004B00000-0x0000000004B01000-memory.dmp

                      Filesize

                      4KB

                    • memory/3772-157-0x0000000005800000-0x0000000005801000-memory.dmp

                      Filesize

                      4KB

                    • memory/3772-181-0x0000000006C60000-0x0000000006C61000-memory.dmp

                      Filesize

                      4KB

                    • memory/3772-148-0x0000000002480000-0x0000000002499000-memory.dmp

                      Filesize

                      100KB

                    • memory/3772-180-0x0000000006690000-0x0000000006691000-memory.dmp

                      Filesize

                      4KB

                    • memory/3772-146-0x0000000004CF0000-0x0000000004CF1000-memory.dmp

                      Filesize

                      4KB

                    • memory/3772-144-0x0000000004CE0000-0x0000000004CE1000-memory.dmp

                      Filesize

                      4KB

                    • memory/3772-143-0x0000000002130000-0x000000000214B000-memory.dmp

                      Filesize

                      108KB

                    • memory/3772-179-0x00000000064C0000-0x00000000064C1000-memory.dmp

                      Filesize

                      4KB

                    • memory/3772-152-0x0000000004CE3000-0x0000000004CE4000-memory.dmp

                      Filesize

                      4KB

                    • memory/3816-165-0x00000000032A0000-0x00000000032A9000-memory.dmp

                      Filesize

                      36KB

                    • memory/3816-160-0x00000000032B0000-0x00000000032B4000-memory.dmp

                      Filesize

                      16KB

                    • memory/3828-169-0x00000000009A0000-0x00000000009A5000-memory.dmp

                      Filesize

                      20KB

                    • memory/3828-170-0x0000000000990000-0x0000000000999000-memory.dmp

                      Filesize

                      36KB

                    • memory/3828-114-0x0000000000400000-0x000000000040C000-memory.dmp

                      Filesize

                      48KB

                    • memory/3896-137-0x0000000002EF0000-0x0000000002EFB000-memory.dmp

                      Filesize

                      44KB

                    • memory/3896-136-0x0000000002F00000-0x0000000002F07000-memory.dmp

                      Filesize

                      28KB

                    • memory/3944-117-0x0000000000540000-0x000000000054C000-memory.dmp

                      Filesize

                      48KB

                    • memory/4084-131-0x0000000003080000-0x00000000030F4000-memory.dmp

                      Filesize

                      464KB

                    • memory/4084-133-0x0000000003010000-0x000000000307B000-memory.dmp

                      Filesize

                      428KB