Overview

overview

10

Static

static

3

858e306a02...97.exe

windows7-x64

10

858e306a02...97.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    12/10/2023, 13:10

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General

  • Target

    858e306a02c8e7aa646c3434e0f5ffa7eb3f52bbf79d81c23990bc37cf79cd97.exe

  • Size

    246KB

  • MD5

    7fac4c616b0b94697c05c3542fb1a5c6

  • SHA1

    5b76400db9e14b5bd8d67d41bd8c36ad20d4c20e

  • SHA256

    858e306a02c8e7aa646c3434e0f5ffa7eb3f52bbf79d81c23990bc37cf79cd97

  • SHA512

    d17c25d3eb281733f57d895cfaeabf780c37984d383a74e4bb2cd42bb052e4e396ea27ccdd2425f953d449eaab13a472fecc2a71fba9938e274452876227ad0f

  • SSDEEP

    3072:BwgqbvVB0wysyoxLxJ3p7/w+IiwJTlGIQ4vBQm6:MbvVZyIZHolhnvBQ

Score
10/10
smokeloaderpub1backdoortrojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

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.

    trojanbackdoorsmokeloader
  • Deletes itself 1 IoCs
  • 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 FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\858e306a02c8e7aa646c3434e0f5ffa7eb3f52bbf79d81c23990bc37cf79cd97.exe
    "C:\Users\Admin\AppData\Local\Temp\858e306a02c8e7aa646c3434e0f5ffa7eb3f52bbf79d81c23990bc37cf79cd97.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\Users\Admin\AppData\Local\Temp\858e306a02c8e7aa646c3434e0f5ffa7eb3f52bbf79d81c23990bc37cf79cd97.exe
      "C:\Users\Admin\AppData\Local\Temp\858e306a02c8e7aa646c3434e0f5ffa7eb3f52bbf79d81c23990bc37cf79cd97.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2676

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • memory/1216-7-0x0000000002AA0000-0x0000000002AB6000-memory.dmp

          Filesize

          88KB

          Download

        • memory/1216-15-0x000007FEF5F70000-0x000007FEF60B3000-memory.dmp

          Filesize

          1.3MB

          Download

        • memory/1216-16-0x000007FF75A70000-0x000007FF75A7A000-memory.dmp

          Filesize

          40KB

          Download

        • memory/1216-17-0x000007FEF5F70000-0x000007FEF60B3000-memory.dmp

          Filesize

          1.3MB

          Download

        • memory/1216-18-0x000007FF75A70000-0x000007FF75A7A000-memory.dmp

          Filesize

          40KB

          Download

        • memory/2372-1-0x00000000008C0000-0x00000000009C0000-memory.dmp

          Filesize

          1024KB

          Download

        • memory/2372-2-0x0000000000220000-0x0000000000229000-memory.dmp

          Filesize

          36KB

          Download

        • memory/2676-6-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

          Download

        • memory/2676-5-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

          Download

        • memory/2676-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

          Download

        • memory/2676-8-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

          Download