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Analysis

  • max time kernel
    1800s
  • max time network
    1453s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    08-07-2021 22:09

General

  • Target

    toolspab2 (10).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 11 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 (10).exe
    "C:\Users\Admin\AppData\Local\Temp\toolspab2 (10).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3008
    • C:\Users\Admin\AppData\Local\Temp\toolspab2 (10).exe
      "C:\Users\Admin\AppData\Local\Temp\toolspab2 (10).exe"
      2⤵
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2260
  • C:\Users\Admin\AppData\Local\Temp\D9EB.exe
    C:\Users\Admin\AppData\Local\Temp\D9EB.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:1720
  • C:\Users\Admin\AppData\Local\Temp\DC8C.exe
    C:\Users\Admin\AppData\Local\Temp\DC8C.exe
    1⤵
    • Executes dropped EXE
    PID:3948
  • C:\Users\Admin\AppData\Local\Temp\E1EC.exe
    C:\Users\Admin\AppData\Local\Temp\E1EC.exe
    1⤵
    • Executes dropped EXE
    PID:996
  • C:\Users\Admin\AppData\Local\Temp\E690.exe
    C:\Users\Admin\AppData\Local\Temp\E690.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1408
    • C:\Users\Admin\AppData\Local\Temp\E690.exe
      C:\Users\Admin\AppData\Local\Temp\E690.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3516
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:3820
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:2000
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:424
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:2764
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:944
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:576
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:688
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:900
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:884
                    • C:\Users\Admin\AppData\Roaming\bbcevda
                      C:\Users\Admin\AppData\Roaming\bbcevda
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      • Suspicious use of WriteProcessMemory
                      PID:540
                      • C:\Users\Admin\AppData\Roaming\bbcevda
                        C:\Users\Admin\AppData\Roaming\bbcevda
                        2⤵
                        • Executes dropped EXE
                        PID:3936
                    • C:\Users\Admin\AppData\Roaming\bbcevda
                      C:\Users\Admin\AppData\Roaming\bbcevda
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:740
                      • C:\Users\Admin\AppData\Roaming\bbcevda
                        C:\Users\Admin\AppData\Roaming\bbcevda
                        2⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        • Checks SCSI registry key(s)
                        • Suspicious behavior: MapViewOfSection
                        PID:1340
                    • C:\Users\Admin\AppData\Roaming\bbcevda
                      C:\Users\Admin\AppData\Roaming\bbcevda
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:3588
                      • C:\Users\Admin\AppData\Roaming\bbcevda
                        C:\Users\Admin\AppData\Roaming\bbcevda
                        2⤵
                        • Executes dropped EXE
                        PID:948

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/424-143-0x0000000000770000-0x0000000000777000-memory.dmp

                      Filesize

                      28KB

                    • memory/424-145-0x0000000000760000-0x000000000076B000-memory.dmp

                      Filesize

                      44KB

                    • memory/540-198-0x0000000000460000-0x00000000005AA000-memory.dmp

                      Filesize

                      1.3MB

                    • memory/576-163-0x0000000000CE0000-0x0000000000CEC000-memory.dmp

                      Filesize

                      48KB

                    • memory/576-161-0x0000000000CF0000-0x0000000000CF6000-memory.dmp

                      Filesize

                      24KB

                    • memory/688-171-0x0000000000B20000-0x0000000000B24000-memory.dmp

                      Filesize

                      16KB

                    • memory/688-172-0x0000000000B10000-0x0000000000B19000-memory.dmp

                      Filesize

                      36KB

                    • memory/740-205-0x0000000000460000-0x00000000005AA000-memory.dmp

                      Filesize

                      1.3MB

                    • memory/884-184-0x0000000003330000-0x0000000003335000-memory.dmp

                      Filesize

                      20KB

                    • memory/884-185-0x0000000003320000-0x0000000003329000-memory.dmp

                      Filesize

                      36KB

                    • memory/900-182-0x0000000000310000-0x0000000000319000-memory.dmp

                      Filesize

                      36KB

                    • memory/900-181-0x0000000000320000-0x0000000000325000-memory.dmp

                      Filesize

                      20KB

                    • memory/944-155-0x00000000003E0000-0x00000000003E9000-memory.dmp

                      Filesize

                      36KB

                    • memory/944-154-0x00000000003F0000-0x00000000003F5000-memory.dmp

                      Filesize

                      20KB

                    • memory/1408-146-0x0000000005720000-0x0000000005721000-memory.dmp

                      Filesize

                      4KB

                    • memory/1408-142-0x0000000005530000-0x0000000005531000-memory.dmp

                      Filesize

                      4KB

                    • memory/1408-134-0x0000000000CF0000-0x0000000000CF1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1408-138-0x00000000055B0000-0x00000000055B1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1720-151-0x0000000000400000-0x00000000004A0000-memory.dmp

                      Filesize

                      640KB

                    • memory/1720-149-0x0000000002110000-0x00000000021A1000-memory.dmp

                      Filesize

                      580KB

                    • memory/2000-140-0x0000000000FC0000-0x0000000000FCC000-memory.dmp

                      Filesize

                      48KB

                    • memory/2000-139-0x0000000000FD0000-0x0000000000FD7000-memory.dmp

                      Filesize

                      28KB

                    • memory/2260-114-0x0000000000400000-0x000000000040C000-memory.dmp

                      Filesize

                      48KB

                    • memory/2764-148-0x00000000005F0000-0x00000000005FF000-memory.dmp

                      Filesize

                      60KB

                    • memory/2764-147-0x0000000000800000-0x0000000000809000-memory.dmp

                      Filesize

                      36KB

                    • memory/3008-117-0x0000000000580000-0x00000000006CA000-memory.dmp

                      Filesize

                      1.3MB

                    • memory/3020-207-0x0000000000690000-0x00000000006A7000-memory.dmp

                      Filesize

                      92KB

                    • memory/3020-119-0x0000000000650000-0x0000000000667000-memory.dmp

                      Filesize

                      92KB

                    • memory/3516-180-0x00000000051F0000-0x00000000057F6000-memory.dmp

                      Filesize

                      6.0MB

                    • memory/3516-170-0x0000000005310000-0x0000000005311000-memory.dmp

                      Filesize

                      4KB

                    • memory/3516-189-0x00000000076E0000-0x00000000076E1000-memory.dmp

                      Filesize

                      4KB

                    • memory/3516-168-0x00000000052B0000-0x00000000052B1000-memory.dmp

                      Filesize

                      4KB

                    • memory/3516-167-0x0000000005800000-0x0000000005801000-memory.dmp

                      Filesize

                      4KB

                    • memory/3516-188-0x0000000006780000-0x0000000006781000-memory.dmp

                      Filesize

                      4KB

                    • memory/3516-187-0x0000000006CB0000-0x0000000006CB1000-memory.dmp

                      Filesize

                      4KB

                    • memory/3516-173-0x0000000005350000-0x0000000005351000-memory.dmp

                      Filesize

                      4KB

                    • memory/3516-186-0x00000000065B0000-0x00000000065B1000-memory.dmp

                      Filesize

                      4KB

                    • memory/3516-190-0x0000000006AF0000-0x0000000006AF1000-memory.dmp

                      Filesize

                      4KB

                    • memory/3516-158-0x0000000000400000-0x000000000041E000-memory.dmp

                      Filesize

                      120KB

                    • memory/3516-179-0x00000000055C0000-0x00000000055C1000-memory.dmp

                      Filesize

                      4KB

                    • memory/3588-213-0x0000000000460000-0x00000000005AA000-memory.dmp

                      Filesize

                      1.3MB

                    • memory/3820-135-0x0000000000650000-0x00000000006BB000-memory.dmp

                      Filesize

                      428KB

                    • memory/3820-133-0x00000000006C0000-0x0000000000734000-memory.dmp

                      Filesize

                      464KB