Analysis

  • max time kernel
    150s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-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 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\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:864
    • 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:1792

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/864-58-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/864-56-0x000000000056B000-0x000000000057C000-memory.dmp

    Filesize

    68KB

  • memory/1792-54-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1792-57-0x0000000076321000-0x0000000076323000-memory.dmp

    Filesize

    8KB

  • memory/1792-59-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1792-60-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB