Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-03-2023 10:27

General

  • Target

    d59d37d920668cbd978787961f95085cf47e7bc91323384e7304cf830917d3a1.exe

  • Size

    199KB

  • MD5

    37a9f2f21d9309d3ab2f2f05a620345d

  • SHA1

    1fa2b5f6d177850044c5ea4caf372d8b0edd234f

  • SHA256

    d59d37d920668cbd978787961f95085cf47e7bc91323384e7304cf830917d3a1

  • SHA512

    fba3b2b979139947b0fa79242f75d83f65acca398c035cc287265b378254442a01fe882251e75850c278088d6d8493504ced96e3675d7ef41f8274b6fb2ac9d2

  • SSDEEP

    3072:svF26uNWZiEfUUu6Ga/kRtY7UuquUXsIKw65bB1OmcglpC:R6AWZ1vJkRtwPUXsIKzd15z

Malware Config

Extracted

Family

smokeloader

Botnet

sprg

Extracted

Family

smokeloader

Version

2022

C2

http://hoh0aeghwugh2gie.com/

http://hie7doodohpae4na.com/

http://aek0aicifaloh1yo.com/

http://yic0oosaeiy7ahng.com/

http://wa5zu7sekai8xeih.com/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • 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 19 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\d59d37d920668cbd978787961f95085cf47e7bc91323384e7304cf830917d3a1.exe
    "C:\Users\Admin\AppData\Local\Temp\d59d37d920668cbd978787961f95085cf47e7bc91323384e7304cf830917d3a1.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:4388
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:4324
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:2292
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:2312
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:4920
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:4208
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              1⤵
                PID:1248
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:2296
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:2148
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:2348

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/1248-161-0x00000000005D0000-0x00000000005D9000-memory.dmp

                      Filesize

                      36KB

                    • memory/1248-162-0x00000000005E0000-0x00000000005E5000-memory.dmp

                      Filesize

                      20KB

                    • memory/1248-178-0x00000000005E0000-0x00000000005E5000-memory.dmp

                      Filesize

                      20KB

                    • memory/1248-163-0x00000000005D0000-0x00000000005D9000-memory.dmp

                      Filesize

                      36KB

                    • memory/2148-180-0x0000000001240000-0x0000000001247000-memory.dmp

                      Filesize

                      28KB

                    • memory/2148-169-0x0000000001230000-0x000000000123D000-memory.dmp

                      Filesize

                      52KB

                    • memory/2148-167-0x0000000001230000-0x000000000123D000-memory.dmp

                      Filesize

                      52KB

                    • memory/2148-168-0x0000000001240000-0x0000000001247000-memory.dmp

                      Filesize

                      28KB

                    • memory/2292-151-0x0000000000DC0000-0x0000000000DCF000-memory.dmp

                      Filesize

                      60KB

                    • memory/2292-150-0x0000000000DD0000-0x0000000000DD9000-memory.dmp

                      Filesize

                      36KB

                    • memory/2292-149-0x0000000000DC0000-0x0000000000DCF000-memory.dmp

                      Filesize

                      60KB

                    • memory/2292-174-0x0000000000DD0000-0x0000000000DD9000-memory.dmp

                      Filesize

                      36KB

                    • memory/2296-166-0x0000000001240000-0x000000000124B000-memory.dmp

                      Filesize

                      44KB

                    • memory/2296-165-0x0000000001250000-0x0000000001256000-memory.dmp

                      Filesize

                      24KB

                    • memory/2296-164-0x0000000001240000-0x000000000124B000-memory.dmp

                      Filesize

                      44KB

                    • memory/2296-179-0x0000000001250000-0x0000000001256000-memory.dmp

                      Filesize

                      24KB

                    • memory/2312-152-0x00000000004F0000-0x00000000004F9000-memory.dmp

                      Filesize

                      36KB

                    • memory/2312-154-0x00000000004F0000-0x00000000004F9000-memory.dmp

                      Filesize

                      36KB

                    • memory/2312-175-0x0000000000500000-0x0000000000505000-memory.dmp

                      Filesize

                      20KB

                    • memory/2312-153-0x0000000000500000-0x0000000000505000-memory.dmp

                      Filesize

                      20KB

                    • memory/2348-170-0x0000000000E00000-0x0000000000E0B000-memory.dmp

                      Filesize

                      44KB

                    • memory/2348-181-0x0000000000E10000-0x0000000000E18000-memory.dmp

                      Filesize

                      32KB

                    • memory/2348-171-0x0000000000E10000-0x0000000000E18000-memory.dmp

                      Filesize

                      32KB

                    • memory/2348-172-0x0000000000E00000-0x0000000000E0B000-memory.dmp

                      Filesize

                      44KB

                    • memory/3204-135-0x0000000001180000-0x0000000001196000-memory.dmp

                      Filesize

                      88KB

                    • memory/4208-177-0x0000000000390000-0x00000000003B2000-memory.dmp

                      Filesize

                      136KB

                    • memory/4208-158-0x0000000000360000-0x0000000000387000-memory.dmp

                      Filesize

                      156KB

                    • memory/4208-160-0x0000000000360000-0x0000000000387000-memory.dmp

                      Filesize

                      156KB

                    • memory/4208-159-0x0000000000390000-0x00000000003B2000-memory.dmp

                      Filesize

                      136KB

                    • memory/4324-146-0x0000000000E40000-0x0000000000E4B000-memory.dmp

                      Filesize

                      44KB

                    • memory/4324-147-0x0000000000E50000-0x0000000000E57000-memory.dmp

                      Filesize

                      28KB

                    • memory/4324-173-0x0000000000E50000-0x0000000000E57000-memory.dmp

                      Filesize

                      28KB

                    • memory/4324-148-0x0000000000E40000-0x0000000000E4B000-memory.dmp

                      Filesize

                      44KB

                    • memory/4388-134-0x0000000000750000-0x0000000000759000-memory.dmp

                      Filesize

                      36KB

                    • memory/4388-136-0x0000000000400000-0x00000000004B2000-memory.dmp

                      Filesize

                      712KB

                    • memory/4920-176-0x00000000006C0000-0x00000000006C6000-memory.dmp

                      Filesize

                      24KB

                    • memory/4920-156-0x00000000006C0000-0x00000000006C6000-memory.dmp

                      Filesize

                      24KB

                    • memory/4920-157-0x00000000006B0000-0x00000000006BC000-memory.dmp

                      Filesize

                      48KB

                    • memory/4920-155-0x00000000006B0000-0x00000000006BC000-memory.dmp

                      Filesize

                      48KB