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Analysis

  • max time kernel
    1800s
  • max time network
    1450s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    08-07-2021 22:09

General

  • Target

    toolspab2 (15).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

C2

45.93.4.12:80

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 12 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 7 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 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 41 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\toolspab2 (15).exe
    "C:\Users\Admin\AppData\Local\Temp\toolspab2 (15).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4444
    • C:\Users\Admin\AppData\Local\Temp\toolspab2 (15).exe
      "C:\Users\Admin\AppData\Local\Temp\toolspab2 (15).exe"
      2⤵
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3836
  • C:\Users\Admin\AppData\Local\Temp\F34F.exe
    C:\Users\Admin\AppData\Local\Temp\F34F.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:3220
  • C:\Users\Admin\AppData\Local\Temp\F582.exe
    C:\Users\Admin\AppData\Local\Temp\F582.exe
    1⤵
    • Executes dropped EXE
    PID:4044
  • C:\Users\Admin\AppData\Local\Temp\FA36.exe
    C:\Users\Admin\AppData\Local\Temp\FA36.exe
    1⤵
    • Executes dropped EXE
    PID:4016
  • C:\Users\Admin\AppData\Local\Temp\FDF0.exe
    C:\Users\Admin\AppData\Local\Temp\FDF0.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4088
    • C:\Users\Admin\AppData\Local\Temp\FDF0.exe
      C:\Users\Admin\AppData\Local\Temp\FDF0.exe
      2⤵
      • Executes dropped EXE
      PID:4256
    • C:\Users\Admin\AppData\Local\Temp\FDF0.exe
      C:\Users\Admin\AppData\Local\Temp\FDF0.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:896
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:4196
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:4280
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:420
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:648
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:808
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:1132
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:1548
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:2052
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:2628
                    • C:\Users\Admin\AppData\Roaming\gawffat
                      C:\Users\Admin\AppData\Roaming\gawffat
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      • Suspicious use of WriteProcessMemory
                      PID:748
                      • C:\Users\Admin\AppData\Roaming\gawffat
                        C:\Users\Admin\AppData\Roaming\gawffat
                        2⤵
                        • Executes dropped EXE
                        PID:1924
                    • C:\Users\Admin\AppData\Roaming\gawffat
                      C:\Users\Admin\AppData\Roaming\gawffat
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:1624
                      • C:\Users\Admin\AppData\Roaming\gawffat
                        C:\Users\Admin\AppData\Roaming\gawffat
                        2⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        • Checks SCSI registry key(s)
                        • Suspicious behavior: MapViewOfSection
                        PID:4328
                    • C:\Users\Admin\AppData\Roaming\gawffat
                      C:\Users\Admin\AppData\Roaming\gawffat
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:5000
                      • C:\Users\Admin\AppData\Roaming\gawffat
                        C:\Users\Admin\AppData\Roaming\gawffat
                        2⤵
                        • Executes dropped EXE
                        PID:5012

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/420-144-0x0000000003510000-0x0000000003517000-memory.dmp

                      Filesize

                      28KB

                    • memory/420-145-0x00000000010C0000-0x00000000010CB000-memory.dmp

                      Filesize

                      44KB

                    • memory/648-148-0x00000000003F0000-0x00000000003FF000-memory.dmp

                      Filesize

                      60KB

                    • memory/648-147-0x0000000000680000-0x0000000000689000-memory.dmp

                      Filesize

                      36KB

                    • memory/748-199-0x0000000000460000-0x000000000050E000-memory.dmp

                      Filesize

                      696KB

                    • memory/808-153-0x0000000000950000-0x0000000000955000-memory.dmp

                      Filesize

                      20KB

                    • memory/808-154-0x0000000000940000-0x0000000000949000-memory.dmp

                      Filesize

                      36KB

                    • memory/896-166-0x0000000000400000-0x000000000041E000-memory.dmp

                      Filesize

                      120KB

                    • memory/896-190-0x00000000077F0000-0x00000000077F1000-memory.dmp

                      Filesize

                      4KB

                    • memory/896-179-0x0000000005570000-0x0000000005571000-memory.dmp

                      Filesize

                      4KB

                    • memory/896-182-0x00000000054F0000-0x0000000005AF6000-memory.dmp

                      Filesize

                      6.0MB

                    • memory/896-191-0x0000000006D30000-0x0000000006D31000-memory.dmp

                      Filesize

                      4KB

                    • memory/896-183-0x00000000057D0000-0x00000000057D1000-memory.dmp

                      Filesize

                      4KB

                    • memory/896-188-0x0000000006DC0000-0x0000000006DC1000-memory.dmp

                      Filesize

                      4KB

                    • memory/896-174-0x0000000005530000-0x0000000005531000-memory.dmp

                      Filesize

                      4KB

                    • memory/896-187-0x00000000066C0000-0x00000000066C1000-memory.dmp

                      Filesize

                      4KB

                    • memory/896-173-0x00000000016D0000-0x00000000016D1000-memory.dmp

                      Filesize

                      4KB

                    • memory/896-172-0x0000000005B00000-0x0000000005B01000-memory.dmp

                      Filesize

                      4KB

                    • memory/896-189-0x00000000069B0000-0x00000000069B1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1132-160-0x0000000000F00000-0x0000000000F0C000-memory.dmp

                      Filesize

                      48KB

                    • memory/1132-158-0x0000000000F10000-0x0000000000F16000-memory.dmp

                      Filesize

                      24KB

                    • memory/1548-165-0x0000000000CA0000-0x0000000000CA9000-memory.dmp

                      Filesize

                      36KB

                    • memory/1548-164-0x0000000000CB0000-0x0000000000CB4000-memory.dmp

                      Filesize

                      16KB

                    • memory/2052-181-0x0000000000350000-0x0000000000359000-memory.dmp

                      Filesize

                      36KB

                    • memory/2052-180-0x0000000000360000-0x0000000000365000-memory.dmp

                      Filesize

                      20KB

                    • memory/2628-185-0x0000000000660000-0x0000000000665000-memory.dmp

                      Filesize

                      20KB

                    • memory/2628-186-0x0000000000650000-0x0000000000659000-memory.dmp

                      Filesize

                      36KB

                    • memory/3008-119-0x0000000000670000-0x0000000000687000-memory.dmp

                      Filesize

                      92KB

                    • memory/3008-208-0x00000000006C0000-0x00000000006D7000-memory.dmp

                      Filesize

                      92KB

                    • memory/3220-152-0x0000000000400000-0x00000000004A0000-memory.dmp

                      Filesize

                      640KB

                    • memory/3220-151-0x0000000002110000-0x00000000021A1000-memory.dmp

                      Filesize

                      580KB

                    • memory/3836-114-0x0000000000400000-0x000000000040C000-memory.dmp

                      Filesize

                      48KB

                    • memory/4088-135-0x0000000004890000-0x0000000004891000-memory.dmp

                      Filesize

                      4KB

                    • memory/4088-133-0x0000000000010000-0x0000000000011000-memory.dmp

                      Filesize

                      4KB

                    • memory/4088-136-0x0000000004840000-0x0000000004841000-memory.dmp

                      Filesize

                      4KB

                    • memory/4088-142-0x00000000049C0000-0x00000000049C1000-memory.dmp

                      Filesize

                      4KB

                    • memory/4196-139-0x0000000000740000-0x00000000007AB000-memory.dmp

                      Filesize

                      428KB

                    • memory/4196-138-0x0000000000A00000-0x0000000000A74000-memory.dmp

                      Filesize

                      464KB

                    • memory/4280-140-0x00000000006E0000-0x00000000006E7000-memory.dmp

                      Filesize

                      28KB

                    • memory/4280-141-0x00000000006D0000-0x00000000006DC000-memory.dmp

                      Filesize

                      48KB

                    • memory/4444-117-0x0000000000690000-0x000000000069C000-memory.dmp

                      Filesize

                      48KB