Resubmissions

12-07-2021 16:55

210712-cvz622xsbj 10

10-07-2021 13:25

210710-pdfh7kft96 10

09-07-2021 23:00

210709-hewxkm1xlj 10

09-07-2021 16:08

210709-5ql27kyjqa 10

09-07-2021 14:08

210709-pt977a4bhe 10

08-07-2021 22:09

210708-3ypfnj5j7x 10

08-07-2021 13:30

210708-4hsk7y9f2x 10

08-07-2021 12:14

210708-8t5f9z9egj 10

Analysis

  • max time kernel
    1801s
  • max time network
    1444s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    08-07-2021 22:09

General

  • Target

    toolspab2 (2).exe

  • Size

    315KB

  • MD5

    585c257e0b345b762e7cdc407d8f9da2

  • SHA1

    ffee403d97b76c3460fc166b9d5ce1205cd216a5

  • SHA256

    4a0ecbcf9b54ed1c9654eb9ee214a797f48c980c6d03a261f62fa9671a2733d6

  • SHA512

    14d39a6cd1c6d912cae7c35e2a98affcd5a9c1df6b947c42de65344e08d34912b09ccac83f9d8c3213b4e3d555769801e8218cb3f4b970d1d08606ee5a454ba8

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

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 6 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Executes dropped EXE 15 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 3 IoCs
  • 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 6 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 (2).exe
    "C:\Users\Admin\AppData\Local\Temp\toolspab2 (2).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4048
    • C:\Users\Admin\AppData\Local\Temp\toolspab2 (2).exe
      "C:\Users\Admin\AppData\Local\Temp\toolspab2 (2).exe"
      2⤵
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:188
  • C:\Users\Admin\AppData\Local\Temp\9001.exe
    C:\Users\Admin\AppData\Local\Temp\9001.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:1328
  • C:\Users\Admin\AppData\Local\Temp\91C7.exe
    C:\Users\Admin\AppData\Local\Temp\91C7.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:2112
  • C:\Users\Admin\AppData\Local\Temp\E799.exe
    C:\Users\Admin\AppData\Local\Temp\E799.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3708
    • C:\Users\Admin\AppData\Local\Temp\E799.exe
      C:\Users\Admin\AppData\Local\Temp\E799.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2960
  • C:\Users\Admin\AppData\Local\Temp\EBD0.exe
    C:\Users\Admin\AppData\Local\Temp\EBD0.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:3980
  • C:\Users\Admin\AppData\Local\Temp\EDF4.exe
    C:\Users\Admin\AppData\Local\Temp\EDF4.exe
    1⤵
    • Executes dropped EXE
    PID:3756
  • C:\Users\Admin\AppData\Local\Temp\F49C.exe
    C:\Users\Admin\AppData\Local\Temp\F49C.exe
    1⤵
    • Executes dropped EXE
    PID:3256
  • C:\Users\Admin\AppData\Local\Temp\FA3A.exe
    C:\Users\Admin\AppData\Local\Temp\FA3A.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3552
    • C:\Users\Admin\AppData\Local\Temp\FA3A.exe
      C:\Users\Admin\AppData\Local\Temp\FA3A.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3796
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:3760
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:3184
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:2288
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:2204
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:3320
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:1952
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:2044
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:2104
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:360
                    • C:\Users\Admin\AppData\Roaming\hvdgstu
                      C:\Users\Admin\AppData\Roaming\hvdgstu
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:1596
                      • C:\Users\Admin\AppData\Roaming\hvdgstu
                        C:\Users\Admin\AppData\Roaming\hvdgstu
                        2⤵
                        • Executes dropped EXE
                        PID:1312
                    • C:\Users\Admin\AppData\Roaming\hvdgstu
                      C:\Users\Admin\AppData\Roaming\hvdgstu
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:2004
                      • C:\Users\Admin\AppData\Roaming\hvdgstu
                        C:\Users\Admin\AppData\Roaming\hvdgstu
                        2⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        • Checks SCSI registry key(s)
                        • Suspicious behavior: MapViewOfSection
                        PID:1324
                    • C:\Users\Admin\AppData\Roaming\hvdgstu
                      C:\Users\Admin\AppData\Roaming\hvdgstu
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:3120
                      • C:\Users\Admin\AppData\Roaming\hvdgstu
                        C:\Users\Admin\AppData\Roaming\hvdgstu
                        2⤵
                        • Executes dropped EXE
                        PID:1284

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/188-114-0x0000000000400000-0x000000000040C000-memory.dmp

                      Filesize

                      48KB

                    • memory/360-216-0x00000000025F0000-0x00000000025F9000-memory.dmp

                      Filesize

                      36KB

                    • memory/360-215-0x0000000002800000-0x0000000002805000-memory.dmp

                      Filesize

                      20KB

                    • memory/1596-229-0x0000000000690000-0x000000000069C000-memory.dmp

                      Filesize

                      48KB

                    • memory/1952-198-0x0000000000C30000-0x0000000000C36000-memory.dmp

                      Filesize

                      24KB

                    • memory/1952-199-0x0000000000C20000-0x0000000000C2C000-memory.dmp

                      Filesize

                      48KB

                    • memory/2044-209-0x00000000028F0000-0x00000000028F9000-memory.dmp

                      Filesize

                      36KB

                    • memory/2044-208-0x0000000002900000-0x0000000002904000-memory.dmp

                      Filesize

                      16KB

                    • memory/2104-212-0x0000000000980000-0x0000000000985000-memory.dmp

                      Filesize

                      20KB

                    • memory/2104-213-0x0000000000970000-0x0000000000979000-memory.dmp

                      Filesize

                      36KB

                    • memory/2204-176-0x0000000001090000-0x0000000001099000-memory.dmp

                      Filesize

                      36KB

                    • memory/2204-177-0x0000000001080000-0x000000000108F000-memory.dmp

                      Filesize

                      60KB

                    • memory/2288-174-0x0000000002770000-0x000000000277B000-memory.dmp

                      Filesize

                      44KB

                    • memory/2288-173-0x0000000002780000-0x0000000002787000-memory.dmp

                      Filesize

                      28KB

                    • memory/2960-152-0x00000000059F0000-0x00000000059F1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2960-202-0x0000000007640000-0x0000000007641000-memory.dmp

                      Filesize

                      4KB

                    • memory/2960-155-0x00000000054F0000-0x00000000054F1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2960-211-0x0000000006F10000-0x0000000006F11000-memory.dmp

                      Filesize

                      4KB

                    • memory/2960-147-0x0000000000400000-0x000000000041E000-memory.dmp

                      Filesize

                      120KB

                    • memory/2960-153-0x0000000005450000-0x0000000005451000-memory.dmp

                      Filesize

                      4KB

                    • memory/2960-157-0x00000000053E0000-0x00000000059E6000-memory.dmp

                      Filesize

                      6.0MB

                    • memory/2960-204-0x0000000006BE0000-0x0000000006BE1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2960-200-0x0000000006A10000-0x0000000006A11000-memory.dmp

                      Filesize

                      4KB

                    • memory/2960-154-0x00000000054B0000-0x00000000054B1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2960-160-0x0000000005760000-0x0000000005761000-memory.dmp

                      Filesize

                      4KB

                    • memory/2960-201-0x0000000007110000-0x0000000007111000-memory.dmp

                      Filesize

                      4KB

                    • memory/3064-238-0x0000000000770000-0x0000000000787000-memory.dmp

                      Filesize

                      92KB

                    • memory/3064-119-0x0000000000720000-0x0000000000737000-memory.dmp

                      Filesize

                      92KB

                    • memory/3184-170-0x0000000000560000-0x0000000000567000-memory.dmp

                      Filesize

                      28KB

                    • memory/3184-171-0x0000000000550000-0x000000000055C000-memory.dmp

                      Filesize

                      48KB

                    • memory/3320-188-0x0000000002BB0000-0x0000000002BB9000-memory.dmp

                      Filesize

                      36KB

                    • memory/3320-186-0x0000000002BC0000-0x0000000002BC5000-memory.dmp

                      Filesize

                      20KB

                    • memory/3552-162-0x0000000000A80000-0x0000000000A81000-memory.dmp

                      Filesize

                      4KB

                    • memory/3552-169-0x0000000001510000-0x0000000001511000-memory.dmp

                      Filesize

                      4KB

                    • memory/3708-135-0x00000000051C0000-0x00000000051C1000-memory.dmp

                      Filesize

                      4KB

                    • memory/3708-137-0x0000000005300000-0x0000000005301000-memory.dmp

                      Filesize

                      4KB

                    • memory/3708-136-0x0000000005140000-0x0000000005141000-memory.dmp

                      Filesize

                      4KB

                    • memory/3708-133-0x0000000000970000-0x0000000000971000-memory.dmp

                      Filesize

                      4KB

                    • memory/3756-190-0x0000000000550000-0x000000000069A000-memory.dmp

                      Filesize

                      1.3MB

                    • memory/3760-163-0x0000000002960000-0x00000000029D4000-memory.dmp

                      Filesize

                      464KB

                    • memory/3760-165-0x00000000028F0000-0x000000000295B000-memory.dmp

                      Filesize

                      428KB

                    • memory/3796-197-0x00000000050D0000-0x00000000056D6000-memory.dmp

                      Filesize

                      6.0MB

                    • memory/3796-178-0x0000000000400000-0x000000000041E000-memory.dmp

                      Filesize

                      120KB

                    • memory/3980-179-0x0000000002030000-0x00000000020C1000-memory.dmp

                      Filesize

                      580KB

                    • memory/3980-182-0x0000000000400000-0x00000000004A0000-memory.dmp

                      Filesize

                      640KB

                    • memory/4048-117-0x00000000004C0000-0x000000000060A000-memory.dmp

                      Filesize

                      1.3MB