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Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2022, 12:47

General

  • Target

    file.exe

  • Size

    250KB

  • MD5

    bd29fda79307e251a8495d96c74ff515

  • SHA1

    e99f44b74b13faa8d9e349295409f4ca94bb10cf

  • SHA256

    571f5aef5e656010a42fa8972985ebe1a413cf30cb28b0c97b9ee1b59146c59f

  • SHA512

    2164a8f7d047844824af0926223c46cd5754b020bfa869685c77b2139992c0a5e3770c201202f59b0ae72d37b2e94e04712380c427f0df01c3191fbbd7f11fd0

  • SSDEEP

    3072:WCyR2uLp4+RYq0JONhaGQLRXx0fZjvaLU8y5/LU8y5ZB6xuqqb53y1teM:a2uLp47q00sGS70xjvao5oEx3E5

Malware Config

Signatures

  • Detects Smokeloader packer 4 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: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4244
    • C:\Users\Admin\AppData\Local\Temp\file.exe
      "C:\Users\Admin\AppData\Local\Temp\file.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:5068

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4244-134-0x00000000004A9000-0x00000000004BA000-memory.dmp

    Filesize

    68KB

  • memory/4244-135-0x00000000005D0000-0x00000000005D9000-memory.dmp

    Filesize

    36KB

  • memory/5068-133-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/5068-136-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/5068-137-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB