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Analysis

  • max time kernel
    150s
  • max time network
    32s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    29/03/2023, 09:38

General

  • Target

    file.exe

  • Size

    245KB

  • MD5

    47d99b19db67e143cc9267529c9ba642

  • SHA1

    7f880bee9f2e720c764c05f4006739a6b55f969b

  • SHA256

    12e76450eae37c96bc6ec0826ab19b375b66109d4b4e6d89beea5cd8d370d9c1

  • SHA512

    c759c51661350d4da25c4cfe2fb7af312a3e0da8bb0ed0d5cdc978eba883b7deccf3bb858a7d94b707732a0fa2df18edb0d8674202601f94be59e4812d66a45d

  • SSDEEP

    3072:9IvZcg60rvLOi1J4OQ+Syf8RUnTmxrmDRZhuMZQmDVX5el/vzFQ8:9qZd/vLOVOQ4ka2rm/hu1mDmJv5

Malware Config

Extracted

Family

smokeloader

Botnet

lab

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Signatures

  • 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 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:680
    • 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:1760

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/680-57-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/1220-59-0x00000000021D0000-0x00000000021E6000-memory.dmp

    Filesize

    88KB

  • memory/1760-55-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1760-56-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1760-58-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1760-60-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB