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12-07-2021 16:55

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10-07-2021 13:25

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09-07-2021 23:00

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09-07-2021 16:08

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08-07-2021 13:30

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08-07-2021 12:14

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Analysis

  • max time kernel
    145s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    08-07-2021 13:30

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

Botnet

1

C2

45.32.235.238:45555

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 5 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Executes dropped EXE 9 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 48 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:2020
    • 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:1800
  • C:\Users\Admin\AppData\Local\Temp\D9EB.exe
    C:\Users\Admin\AppData\Local\Temp\D9EB.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:400
  • C:\Users\Admin\AppData\Local\Temp\DBC0.exe
    C:\Users\Admin\AppData\Local\Temp\DBC0.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:992
  • C:\Users\Admin\AppData\Local\Temp\3314.exe
    C:\Users\Admin\AppData\Local\Temp\3314.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1156
    • C:\Users\Admin\AppData\Local\Temp\3314.exe
      C:\Users\Admin\AppData\Local\Temp\3314.exe
      2⤵
      • Executes dropped EXE
      PID:1684
  • C:\Users\Admin\AppData\Local\Temp\36BD.exe
    C:\Users\Admin\AppData\Local\Temp\36BD.exe
    1⤵
    • Executes dropped EXE
    PID:1808
  • C:\Users\Admin\AppData\Local\Temp\390E.exe
    C:\Users\Admin\AppData\Local\Temp\390E.exe
    1⤵
    • Executes dropped EXE
    PID:336
  • C:\Users\Admin\AppData\Local\Temp\46C5.exe
    C:\Users\Admin\AppData\Local\Temp\46C5.exe
    1⤵
    • Executes dropped EXE
    PID:1900
  • C:\Users\Admin\AppData\Local\Temp\5364.exe
    C:\Users\Admin\AppData\Local\Temp\5364.exe
    1⤵
    • Executes dropped EXE
    PID:660
  • C:\Users\Admin\AppData\Local\Temp\5F47.exe
    C:\Users\Admin\AppData\Local\Temp\5F47.exe
    1⤵
    • Executes dropped EXE
    PID:108
  • C:\Users\Admin\AppData\Local\Temp\6EC2.exe
    C:\Users\Admin\AppData\Local\Temp\6EC2.exe
    1⤵
      PID:1388
    • C:\Windows\SysWOW64\explorer.exe
      C:\Windows\SysWOW64\explorer.exe
      1⤵
        PID:1376
      • C:\Windows\explorer.exe
        C:\Windows\explorer.exe
        1⤵
          PID:680
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          1⤵
            PID:1332

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/336-98-0x0000000000220000-0x000000000024F000-memory.dmp

            Filesize

            188KB

          • memory/336-94-0x0000000000550000-0x000000000056B000-memory.dmp

            Filesize

            108KB

          • memory/336-106-0x00000000048E4000-0x00000000048E6000-memory.dmp

            Filesize

            8KB

          • memory/336-104-0x0000000001F70000-0x0000000001F89000-memory.dmp

            Filesize

            100KB

          • memory/336-101-0x00000000048E1000-0x00000000048E2000-memory.dmp

            Filesize

            4KB

          • memory/336-103-0x00000000048E3000-0x00000000048E4000-memory.dmp

            Filesize

            4KB

          • memory/336-102-0x00000000048E2000-0x00000000048E3000-memory.dmp

            Filesize

            4KB

          • memory/336-100-0x0000000000400000-0x000000000046F000-memory.dmp

            Filesize

            444KB

          • memory/660-119-0x0000000000400000-0x000000000046F000-memory.dmp

            Filesize

            444KB

          • memory/660-121-0x00000000021F3000-0x00000000021F4000-memory.dmp

            Filesize

            4KB

          • memory/660-120-0x00000000021F1000-0x00000000021F2000-memory.dmp

            Filesize

            4KB

          • memory/660-118-0x00000000021F4000-0x00000000021F6000-memory.dmp

            Filesize

            8KB

          • memory/660-117-0x00000000021F2000-0x00000000021F3000-memory.dmp

            Filesize

            4KB

          • memory/680-129-0x0000000000060000-0x000000000006C000-memory.dmp

            Filesize

            48KB

          • memory/680-127-0x0000000000070000-0x0000000000077000-memory.dmp

            Filesize

            28KB

          • memory/1156-78-0x0000000001080000-0x0000000001081000-memory.dmp

            Filesize

            4KB

          • memory/1156-81-0x00000000048E0000-0x00000000048E1000-memory.dmp

            Filesize

            4KB

          • memory/1272-66-0x0000000002AA0000-0x0000000002AB7000-memory.dmp

            Filesize

            92KB

          • memory/1332-133-0x000000006ECC1000-0x000000006ECC3000-memory.dmp

            Filesize

            8KB

          • memory/1376-128-0x000000006DF41000-0x000000006DF43000-memory.dmp

            Filesize

            8KB

          • memory/1684-86-0x0000000000400000-0x000000000041E000-memory.dmp

            Filesize

            120KB

          • memory/1684-97-0x0000000004DA0000-0x0000000004DA1000-memory.dmp

            Filesize

            4KB

          • memory/1684-89-0x0000000000400000-0x000000000041E000-memory.dmp

            Filesize

            120KB

          • memory/1800-62-0x0000000076281000-0x0000000076283000-memory.dmp

            Filesize

            8KB

          • memory/1800-60-0x0000000000400000-0x000000000040C000-memory.dmp

            Filesize

            48KB

          • memory/1808-105-0x0000000000400000-0x000000000049E000-memory.dmp

            Filesize

            632KB

          • memory/1808-99-0x0000000000220000-0x00000000002B1000-memory.dmp

            Filesize

            580KB

          • memory/1900-113-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/1900-112-0x00000000001B0000-0x00000000001B9000-memory.dmp

            Filesize

            36KB

          • memory/2020-64-0x0000000000220000-0x000000000022C000-memory.dmp

            Filesize

            48KB