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Analysis

  • max time kernel
    1801s
  • max time network
    1299s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    08-07-2021 22:09

General

  • Target

    toolspab2 (20).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 5 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Executes dropped EXE 16 IoCs
  • 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.

  • 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 (20).exe
    "C:\Users\Admin\AppData\Local\Temp\toolspab2 (20).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4060
    • C:\Users\Admin\AppData\Local\Temp\toolspab2 (20).exe
      "C:\Users\Admin\AppData\Local\Temp\toolspab2 (20).exe"
      2⤵
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2324
  • C:\Users\Admin\AppData\Local\Temp\9187.exe
    C:\Users\Admin\AppData\Local\Temp\9187.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:3604
  • C:\Users\Admin\AppData\Local\Temp\935D.exe
    C:\Users\Admin\AppData\Local\Temp\935D.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:1016
  • C:\Users\Admin\AppData\Local\Temp\E900.exe
    C:\Users\Admin\AppData\Local\Temp\E900.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3252
    • C:\Users\Admin\AppData\Local\Temp\E900.exe
      C:\Users\Admin\AppData\Local\Temp\E900.exe
      2⤵
      • Executes dropped EXE
      PID:1948
    • C:\Users\Admin\AppData\Local\Temp\E900.exe
      C:\Users\Admin\AppData\Local\Temp\E900.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1448
  • C:\Users\Admin\AppData\Local\Temp\ED56.exe
    C:\Users\Admin\AppData\Local\Temp\ED56.exe
    1⤵
    • Executes dropped EXE
    PID:3928
  • C:\Users\Admin\AppData\Local\Temp\EF6B.exe
    C:\Users\Admin\AppData\Local\Temp\EF6B.exe
    1⤵
    • Executes dropped EXE
    PID:2740
  • C:\Users\Admin\AppData\Local\Temp\F363.exe
    C:\Users\Admin\AppData\Local\Temp\F363.exe
    1⤵
    • Executes dropped EXE
    PID:528
  • C:\Users\Admin\AppData\Local\Temp\F7D9.exe
    C:\Users\Admin\AppData\Local\Temp\F7D9.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3840
    • C:\Users\Admin\AppData\Local\Temp\F7D9.exe
      C:\Users\Admin\AppData\Local\Temp\F7D9.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2232
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:2796
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:544
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:3332
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:3160
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:3728
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:1016
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:1704
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:2324
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:3760
                    • C:\Users\Admin\AppData\Roaming\ujbajra
                      C:\Users\Admin\AppData\Roaming\ujbajra
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:64
                      • C:\Users\Admin\AppData\Roaming\ujbajra
                        C:\Users\Admin\AppData\Roaming\ujbajra
                        2⤵
                        • Executes dropped EXE
                        PID:3412
                    • C:\Users\Admin\AppData\Roaming\ujbajra
                      C:\Users\Admin\AppData\Roaming\ujbajra
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:788
                      • C:\Users\Admin\AppData\Roaming\ujbajra
                        C:\Users\Admin\AppData\Roaming\ujbajra
                        2⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        • Checks SCSI registry key(s)
                        • Suspicious behavior: MapViewOfSection
                        PID:2064
                    • C:\Users\Admin\AppData\Roaming\ujbajra
                      C:\Users\Admin\AppData\Roaming\ujbajra
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:3900
                      • C:\Users\Admin\AppData\Roaming\ujbajra
                        C:\Users\Admin\AppData\Roaming\ujbajra
                        2⤵
                        • Executes dropped EXE
                        PID:2120

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/544-162-0x0000000000580000-0x000000000058C000-memory.dmp

                      Filesize

                      48KB

                    • memory/544-160-0x0000000000590000-0x0000000000597000-memory.dmp

                      Filesize

                      28KB

                    • memory/1016-197-0x00000000004F0000-0x00000000004F6000-memory.dmp

                      Filesize

                      24KB

                    • memory/1016-198-0x00000000004E0000-0x00000000004EC000-memory.dmp

                      Filesize

                      48KB

                    • memory/1448-163-0x0000000000400000-0x000000000041E000-memory.dmp

                      Filesize

                      120KB

                    • memory/1448-216-0x0000000007070000-0x0000000007071000-memory.dmp

                      Filesize

                      4KB

                    • memory/1448-213-0x0000000007250000-0x0000000007251000-memory.dmp

                      Filesize

                      4KB

                    • memory/1448-214-0x0000000007780000-0x0000000007781000-memory.dmp

                      Filesize

                      4KB

                    • memory/1448-215-0x0000000006D20000-0x0000000006D21000-memory.dmp

                      Filesize

                      4KB

                    • memory/1448-169-0x0000000005B20000-0x0000000005B21000-memory.dmp

                      Filesize

                      4KB

                    • memory/1448-171-0x0000000005630000-0x0000000005631000-memory.dmp

                      Filesize

                      4KB

                    • memory/1448-170-0x00000000055D0000-0x00000000055D1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1448-172-0x0000000005670000-0x0000000005671000-memory.dmp

                      Filesize

                      4KB

                    • memory/1448-182-0x00000000058E0000-0x00000000058E1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1448-212-0x0000000006B50000-0x0000000006B51000-memory.dmp

                      Filesize

                      4KB

                    • memory/1448-179-0x0000000005510000-0x0000000005B16000-memory.dmp

                      Filesize

                      6.0MB

                    • memory/1704-202-0x0000000000750000-0x0000000000754000-memory.dmp

                      Filesize

                      16KB

                    • memory/1704-204-0x0000000000740000-0x0000000000749000-memory.dmp

                      Filesize

                      36KB

                    • memory/2232-178-0x0000000000400000-0x000000000041E000-memory.dmp

                      Filesize

                      120KB

                    • memory/2232-192-0x0000000002EC0000-0x0000000002ED2000-memory.dmp

                      Filesize

                      72KB

                    • memory/2324-206-0x0000000000DD0000-0x0000000000DD9000-memory.dmp

                      Filesize

                      36KB

                    • memory/2324-205-0x0000000000DE0000-0x0000000000DE5000-memory.dmp

                      Filesize

                      20KB

                    • memory/2324-114-0x0000000000400000-0x000000000040C000-memory.dmp

                      Filesize

                      48KB

                    • memory/2460-119-0x00000000007B0000-0x00000000007C7000-memory.dmp

                      Filesize

                      92KB

                    • memory/2460-238-0x0000000000820000-0x0000000000837000-memory.dmp

                      Filesize

                      92KB

                    • memory/2740-199-0x0000000000550000-0x000000000069A000-memory.dmp

                      Filesize

                      1.3MB

                    • memory/2796-156-0x0000000003130000-0x00000000031A4000-memory.dmp

                      Filesize

                      464KB

                    • memory/2796-157-0x00000000030C0000-0x000000000312B000-memory.dmp

                      Filesize

                      428KB

                    • memory/3160-176-0x00000000004B0000-0x00000000004B9000-memory.dmp

                      Filesize

                      36KB

                    • memory/3160-177-0x00000000004A0000-0x00000000004AF000-memory.dmp

                      Filesize

                      60KB

                    • memory/3252-133-0x00000000006A0000-0x00000000006A1000-memory.dmp

                      Filesize

                      4KB

                    • memory/3252-135-0x0000000004F10000-0x0000000004F11000-memory.dmp

                      Filesize

                      4KB

                    • memory/3252-136-0x0000000004E90000-0x0000000004E91000-memory.dmp

                      Filesize

                      4KB

                    • memory/3252-140-0x00000000050F0000-0x00000000050F1000-memory.dmp

                      Filesize

                      4KB

                    • memory/3332-175-0x00000000003D0000-0x00000000003DB000-memory.dmp

                      Filesize

                      44KB

                    • memory/3332-174-0x00000000003E0000-0x00000000003E7000-memory.dmp

                      Filesize

                      28KB

                    • memory/3728-190-0x00000000004C0000-0x00000000004C5000-memory.dmp

                      Filesize

                      20KB

                    • memory/3728-191-0x00000000004B0000-0x00000000004B9000-memory.dmp

                      Filesize

                      36KB

                    • memory/3760-210-0x00000000030D0000-0x00000000030D5000-memory.dmp

                      Filesize

                      20KB

                    • memory/3760-211-0x00000000030C0000-0x00000000030C9000-memory.dmp

                      Filesize

                      36KB

                    • memory/3840-158-0x0000000005590000-0x0000000005591000-memory.dmp

                      Filesize

                      4KB

                    • memory/3840-152-0x0000000000BC0000-0x0000000000BC1000-memory.dmp

                      Filesize

                      4KB

                    • memory/3900-244-0x0000000000460000-0x00000000005AA000-memory.dmp

                      Filesize

                      1.3MB

                    • memory/3928-196-0x0000000000400000-0x00000000004A0000-memory.dmp

                      Filesize

                      640KB

                    • memory/3928-195-0x0000000001FD0000-0x0000000002061000-memory.dmp

                      Filesize

                      580KB

                    • memory/4060-117-0x0000000000470000-0x000000000047C000-memory.dmp

                      Filesize

                      48KB