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Analysis

  • max time kernel
    150s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25/10/2022, 02:13

General

  • Target

    ef5d150e7ed7e32d56f29ad614722f975c24943e9b03c3002777d4b09fc61d51.exe

  • Size

    220KB

  • MD5

    4dced3a6261b7227a48c79799ee12bfd

  • SHA1

    b4bd037c6b4e1c2e85d9a89fac1f40d48c72711f

  • SHA256

    ef5d150e7ed7e32d56f29ad614722f975c24943e9b03c3002777d4b09fc61d51

  • SHA512

    21c0f9fbe8d6d17cf12f9b20f1e093db0936770b5e0c01e47fba2f86b9cdd5de531a83bcd52667f04b103f75d409020c0beaac6e8615923f6b11ed245c6bb850

  • SSDEEP

    3072:ZBnO5d84THy2ULgJWwp6n50KWZ1IUhyR31kP+05fA4ujELWJe:ZBOIXLYpAWvIX31kPxA5uW

Malware Config

Signatures

  • Detects Smokeloader packer 5 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of SetThreadContext 1 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: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef5d150e7ed7e32d56f29ad614722f975c24943e9b03c3002777d4b09fc61d51.exe
    "C:\Users\Admin\AppData\Local\Temp\ef5d150e7ed7e32d56f29ad614722f975c24943e9b03c3002777d4b09fc61d51.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Users\Admin\AppData\Local\Temp\ef5d150e7ed7e32d56f29ad614722f975c24943e9b03c3002777d4b09fc61d51.exe
      "C:\Users\Admin\AppData\Local\Temp\ef5d150e7ed7e32d56f29ad614722f975c24943e9b03c3002777d4b09fc61d51.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1988

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1680-54-0x00000000006F8000-0x0000000000709000-memory.dmp

    Filesize

    68KB

  • memory/1680-57-0x00000000006F8000-0x0000000000709000-memory.dmp

    Filesize

    68KB

  • memory/1680-59-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/1988-55-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1988-58-0x0000000075281000-0x0000000075283000-memory.dmp

    Filesize

    8KB

  • memory/1988-60-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1988-61-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB