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Analysis

  • max time kernel
    1801s
  • max time network
    1763s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    08/07/2021, 12:14

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

Botnet

agressor

C2

65.21.122.45:8085

Signatures

  • 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.

  • Executes dropped EXE 7 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 4 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 23 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 59 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:632
    • 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:3488
  • C:\Users\Admin\AppData\Local\Temp\6012.exe
    C:\Users\Admin\AppData\Local\Temp\6012.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2652
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:936
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:2596
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:3668
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:3616
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:2200
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:4028
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:2224
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:3884
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:3240
                    • C:\Users\Admin\AppData\Roaming\wgsbiwi
                      C:\Users\Admin\AppData\Roaming\wgsbiwi
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      • Suspicious use of WriteProcessMemory
                      PID:3680
                      • C:\Users\Admin\AppData\Roaming\wgsbiwi
                        C:\Users\Admin\AppData\Roaming\wgsbiwi
                        2⤵
                        • Executes dropped EXE
                        PID:2708
                    • C:\Users\Admin\AppData\Roaming\wgsbiwi
                      C:\Users\Admin\AppData\Roaming\wgsbiwi
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      • Suspicious use of WriteProcessMemory
                      PID:1780
                      • C:\Users\Admin\AppData\Roaming\wgsbiwi
                        C:\Users\Admin\AppData\Roaming\wgsbiwi
                        2⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        • Checks SCSI registry key(s)
                        • Suspicious behavior: MapViewOfSection
                        PID:1232
                    • C:\Users\Admin\AppData\Roaming\wgsbiwi
                      C:\Users\Admin\AppData\Roaming\wgsbiwi
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      • Suspicious use of WriteProcessMemory
                      PID:180
                      • C:\Users\Admin\AppData\Roaming\wgsbiwi
                        C:\Users\Admin\AppData\Roaming\wgsbiwi
                        2⤵
                        • Executes dropped EXE
                        PID:2704

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/632-114-0x0000000000460000-0x00000000005AA000-memory.dmp

                      Filesize

                      1.3MB

                    • memory/936-125-0x0000000002AA0000-0x0000000002B14000-memory.dmp

                      Filesize

                      464KB

                    • memory/936-126-0x0000000002A30000-0x0000000002A9B000-memory.dmp

                      Filesize

                      428KB

                    • memory/2200-136-0x0000000002CA0000-0x0000000002CA5000-memory.dmp

                      Filesize

                      20KB

                    • memory/2200-137-0x0000000002C90000-0x0000000002C99000-memory.dmp

                      Filesize

                      36KB

                    • memory/2224-153-0x0000000002920000-0x0000000002924000-memory.dmp

                      Filesize

                      16KB

                    • memory/2224-154-0x0000000002910000-0x0000000002919000-memory.dmp

                      Filesize

                      36KB

                    • memory/2428-183-0x00000000004B0000-0x00000000004C7000-memory.dmp

                      Filesize

                      92KB

                    • memory/2428-119-0x0000000000480000-0x0000000000497000-memory.dmp

                      Filesize

                      92KB

                    • memory/2596-128-0x0000000000100000-0x000000000010C000-memory.dmp

                      Filesize

                      48KB

                    • memory/2596-127-0x0000000000110000-0x0000000000117000-memory.dmp

                      Filesize

                      28KB

                    • memory/2652-148-0x0000000004AD0000-0x0000000004AE9000-memory.dmp

                      Filesize

                      100KB

                    • memory/2652-174-0x0000000006B40000-0x0000000006B41000-memory.dmp

                      Filesize

                      4KB

                    • memory/2652-146-0x0000000004BD3000-0x0000000004BD4000-memory.dmp

                      Filesize

                      4KB

                    • memory/2652-147-0x0000000004BE0000-0x0000000004BE1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2652-144-0x0000000004BD0000-0x0000000004BD1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2652-149-0x00000000050E0000-0x00000000050E1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2652-151-0x0000000004B90000-0x0000000004B91000-memory.dmp

                      Filesize

                      4KB

                    • memory/2652-152-0x00000000056F0000-0x00000000056F1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2652-175-0x0000000006FB0000-0x0000000006FB1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2652-141-0x00000000021C0000-0x00000000021DB000-memory.dmp

                      Filesize

                      108KB

                    • memory/2652-145-0x0000000004BD2000-0x0000000004BD3000-memory.dmp

                      Filesize

                      4KB

                    • memory/2652-156-0x0000000005730000-0x0000000005731000-memory.dmp

                      Filesize

                      4KB

                    • memory/2652-173-0x0000000006590000-0x0000000006591000-memory.dmp

                      Filesize

                      4KB

                    • memory/2652-172-0x00000000063C0000-0x00000000063C1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2652-159-0x0000000004BD4000-0x0000000004BD6000-memory.dmp

                      Filesize

                      8KB

                    • memory/2652-139-0x0000000000400000-0x000000000046F000-memory.dmp

                      Filesize

                      444KB

                    • memory/2652-161-0x00000000058C0000-0x00000000058C1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2652-138-0x0000000001F50000-0x0000000001F7F000-memory.dmp

                      Filesize

                      188KB

                    • memory/3240-163-0x0000000003030000-0x0000000003039000-memory.dmp

                      Filesize

                      36KB

                    • memory/3240-162-0x0000000003040000-0x0000000003045000-memory.dmp

                      Filesize

                      20KB

                    • memory/3488-115-0x0000000000400000-0x000000000040C000-memory.dmp

                      Filesize

                      48KB

                    • memory/3616-134-0x0000000000500000-0x000000000050F000-memory.dmp

                      Filesize

                      60KB

                    • memory/3616-133-0x0000000000510000-0x0000000000519000-memory.dmp

                      Filesize

                      36KB

                    • memory/3668-131-0x0000000002A50000-0x0000000002A5B000-memory.dmp

                      Filesize

                      44KB

                    • memory/3668-130-0x0000000002A60000-0x0000000002A67000-memory.dmp

                      Filesize

                      28KB

                    • memory/3680-170-0x0000000000580000-0x000000000058C000-memory.dmp

                      Filesize

                      48KB

                    • memory/3884-158-0x0000000000B30000-0x0000000000B39000-memory.dmp

                      Filesize

                      36KB

                    • memory/3884-157-0x0000000000B40000-0x0000000000B45000-memory.dmp

                      Filesize

                      20KB

                    • memory/4028-142-0x0000000000D90000-0x0000000000D96000-memory.dmp

                      Filesize

                      24KB

                    • memory/4028-143-0x0000000000D80000-0x0000000000D8C000-memory.dmp

                      Filesize

                      48KB