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Analysis

  • max time kernel
    150s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    07/02/2023, 09:35

General

  • Target

    7c2b7f94b57d15b6f5f4ed31a96cc0ec.exe

  • Size

    285KB

  • MD5

    7c2b7f94b57d15b6f5f4ed31a96cc0ec

  • SHA1

    51ec2b8292ae25dc53c1bb96722228c612651e05

  • SHA256

    94dcd9eb97aa7ef0957f20728ef38d1b95c9fc6f16c1467c752e019046ea882b

  • SHA512

    9dd76b03f6866ca792b6a906f69339ce9bf22ce61e21318f72c745e32619fc8d47a664f3ab68b5a0aba98574650d7189e7d74c656ef46d7f3f72ebe480041cec

  • SSDEEP

    6144:SOe7vYYo2U4YRNNbKL4pTYdkhVoi4Fc+dVkR52:SNvYYowYtiisdkEDFc+7kr2

Malware Config

Signatures

  • Detects Smokeloader packer 4 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7c2b7f94b57d15b6f5f4ed31a96cc0ec.exe
    "C:\Users\Admin\AppData\Local\Temp\7c2b7f94b57d15b6f5f4ed31a96cc0ec.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1708
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:936
    • C:\Users\Admin\AppData\Local\Temp\7c2b7f94b57d15b6f5f4ed31a96cc0ec.exe
      C:\Users\Admin\AppData\Local\Temp\7c2b7f94b57d15b6f5f4ed31a96cc0ec.exe
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1348

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/936-62-0x000000006F500000-0x000000006FAAB000-memory.dmp

    Filesize

    5.7MB

  • memory/936-61-0x000000006F500000-0x000000006FAAB000-memory.dmp

    Filesize

    5.7MB

  • memory/936-60-0x000000006F500000-0x000000006FAAB000-memory.dmp

    Filesize

    5.7MB

  • memory/1348-64-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1348-63-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1348-66-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1348-69-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1348-70-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1708-57-0x00000000005A0000-0x00000000005AC000-memory.dmp

    Filesize

    48KB

  • memory/1708-56-0x0000000005EB0000-0x0000000005F56000-memory.dmp

    Filesize

    664KB

  • memory/1708-55-0x0000000075D51000-0x0000000075D53000-memory.dmp

    Filesize

    8KB

  • memory/1708-54-0x0000000000950000-0x000000000099E000-memory.dmp

    Filesize

    312KB